From 8e39e44027c9ab0f7d253de3ec8a56b18423b08f Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:35:49 +0100
Subject: [PATCH 01/34] Fix CI jam dependencies for Windows and MacOS

---
 .github/workflows/build-macos.yml   | 2 +-
 .github/workflows/build-windows.yml | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 6196a9f..69fec6d 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -32,7 +32,7 @@ jobs:
         
       - name: Install Dependencies
         run: |
-          brew install ftjam
+          brew install jam
           
       - name: Build ArgyllCMS
         run: |
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index d936f20..3d39320 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -33,12 +33,13 @@ jobs:
             make
             mingw-w64-x86_64-gcc
             zip
+            bison
             
       - name: Install ftjam
         run: |
-          wget https://github.com/kimgr/ftjam/archive/refs/tags/v2.5.3rc2.tar.gz
-          tar -xzf v2.5.3rc2.tar.gz
-          cd ftjam-2.5.3rc2
+          wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
+          tar -xzf ftjam.tar.gz
+          cd ftjam-2.5.2
           make
           cp bin.*/jam.exe /usr/bin/jam.exe
           
-- 
2.39.5


From c5fcea8923242740bcedd3f17a73470cc696ebf3 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:37:12 +0100
Subject: [PATCH 02/34] Fix macOS CI jam dependency

---
 .github/workflows/build-macos.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 69fec6d..c940d99 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -30,9 +30,13 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
         
-      - name: Install Dependencies
+      - name: Install ftjam
         run: |
-          brew install jam
+          wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
+          tar -xzf ftjam.tar.gz
+          cd ftjam-2.5.2
+          make
+          sudo cp bin.*/jam /usr/local/bin/jam
           
       - name: Build ArgyllCMS
         run: |
-- 
2.39.5


From 2bdef41460ed0083025d08c27bbdbdc9e0d74f12 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:39:17 +0100
Subject: [PATCH 03/34] Fix Windows ftjam compilation with win32-gcc.mk

---
 .github/workflows/build-windows.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 3d39320..4e00444 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -40,8 +40,8 @@ jobs:
           wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
           tar -xzf ftjam.tar.gz
           cd ftjam-2.5.2
-          make
-          cp bin.*/jam.exe /usr/bin/jam.exe
+          make -f builds/win32-gcc.mk
+          cp bin.ntx86/jam.exe /usr/bin/jam.exe
           
       - name: Build ArgyllCMS
         env:
-- 
2.39.5


From 2ff3f0cf436cd4f41c635e8152e04794c459b7b2 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:40:54 +0100
Subject: [PATCH 04/34] Fix ftjam compilation strictness errors on macOS and
 Windows

---
 .github/workflows/build-macos.yml   | 2 +-
 .github/workflows/build-windows.yml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index c940d99..ebdfe79 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -35,7 +35,7 @@ jobs:
           wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
           tar -xzf ftjam.tar.gz
           cd ftjam-2.5.2
-          make
+          make CC="cc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int"
           sudo cp bin.*/jam /usr/local/bin/jam
           
       - name: Build ArgyllCMS
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 4e00444..4e6b5db 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -40,7 +40,7 @@ jobs:
           wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
           tar -xzf ftjam.tar.gz
           cd ftjam-2.5.2
-          make -f builds/win32-gcc.mk
+          make CC="gcc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int" -f builds/win32-gcc.mk
           cp bin.ntx86/jam.exe /usr/bin/jam.exe
           
       - name: Build ArgyllCMS
-- 
2.39.5


From c2a000a98a5419d6cf318f0e37779738a1db1584 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:43:02 +0100
Subject: [PATCH 05/34] Fix Windows ftjam execution by adding current dir to
 PATH

---
 .github/workflows/build-windows.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 4e6b5db..6463907 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -40,7 +40,7 @@ jobs:
           wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
           tar -xzf ftjam.tar.gz
           cd ftjam-2.5.2
-          make CC="gcc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int" -f builds/win32-gcc.mk
+          PATH=".:$PATH" make CC="gcc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int" -f builds/win32-gcc.mk
           cp bin.ntx86/jam.exe /usr/bin/jam.exe
           
       - name: Build ArgyllCMS
-- 
2.39.5


From 19739981b501fea206c4cadf9153d911895de4c1 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 20:45:59 +0100
Subject: [PATCH 06/34] Fix ArgyllCMS compilation strictness errors on macOS
 and Windows

---
 .github/workflows/build-macos.yml   | 1 +
 .github/workflows/build-windows.yml | 1 +
 2 files changed, 2 insertions(+)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index ebdfe79..3e1d368 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -43,6 +43,7 @@ jobs:
           export OSTYPE=darwin
           export MACHTYPE=${{ matrix.machtype }}
           export HOSTTYPE=${{ matrix.arch }}
+          export CC="cc -Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
           jam -q -fJambase -j$(sysctl -n hw.ncpu) -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 6463907..d559882 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -47,6 +47,7 @@ jobs:
         env:
           COMPILER: MINGW64
         run: |
+          export CC="gcc -Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
           jam -q -fJambase -j$(nproc) -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
-- 
2.39.5


From 7afd91bba95efa51fc86d37aa9301794650d2ff5 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:01:42 +0100
Subject: [PATCH 07/34] Fix Windows ftjam toolset and Mac CCFLAGS issues

---
 .github/workflows/build-macos.yml   | 4 ++--
 .github/workflows/build-windows.yml | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 3e1d368..4111973 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -43,8 +43,8 @@ jobs:
           export OSTYPE=darwin
           export MACHTYPE=${{ matrix.machtype }}
           export HOSTTYPE=${{ matrix.arch }}
-          export CC="cc -Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
-          jam -q -fJambase -j$(sysctl -n hw.ncpu) -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
+          export CFLAGS="-Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
+          jam -q -fJambase -j1 -sCCFLAGS="-g -DUNIX -D_THREAD_SAFE -pipe -fPIC $CFLAGS" -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
         env:
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index d559882..271d12c 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -40,6 +40,7 @@ jobs:
           wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
           tar -xzf ftjam.tar.gz
           cd ftjam-2.5.2
+          export JAM_TOOLSET=MINGW
           PATH=".:$PATH" make CC="gcc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int" -f builds/win32-gcc.mk
           cp bin.ntx86/jam.exe /usr/bin/jam.exe
           
@@ -47,8 +48,8 @@ jobs:
         env:
           COMPILER: MINGW64
         run: |
-          export CC="gcc -Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
-          jam -q -fJambase -j$(nproc) -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
+          export CFLAGS="-Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
+          jam -q -fJambase -j$(nproc) -sCCFLAGS="-DNT -mwin32 -pipe $CFLAGS" -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
         env:
-- 
2.39.5


From 68a67f5ec3ed595c62d0aaf6d8a484df621de824 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:08:39 +0100
Subject: [PATCH 08/34] Fix Windows ftjam segfault by using pre-built binary
 and remove Mac CFLAGS overrides

---
 .github/workflows/build-macos.yml   |  3 +--
 .github/workflows/build-windows.yml | 12 ++++--------
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 4111973..38df8e3 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -43,8 +43,7 @@ jobs:
           export OSTYPE=darwin
           export MACHTYPE=${{ matrix.machtype }}
           export HOSTTYPE=${{ matrix.arch }}
-          export CFLAGS="-Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
-          jam -q -fJambase -j1 -sCCFLAGS="-g -DUNIX -D_THREAD_SAFE -pipe -fPIC $CFLAGS" -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
+          jam -q -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
         env:
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 271d12c..8a03170 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -37,19 +37,15 @@ jobs:
             
       - name: Install ftjam
         run: |
-          wget -q -O ftjam.tar.gz https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2.tar.gz/download
-          tar -xzf ftjam.tar.gz
-          cd ftjam-2.5.2
-          export JAM_TOOLSET=MINGW
-          PATH=".:$PATH" make CC="gcc -Wno-implicit-function-declaration -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-implicit-int" -f builds/win32-gcc.mk
-          cp bin.ntx86/jam.exe /usr/bin/jam.exe
+          wget -q -O ftjam-win32.zip https://sourceforge.net/projects/freetype/files/ftjam/2.5.2/ftjam-2.5.2-win32.zip/download
+          unzip ftjam-win32.zip
+          cp jam.exe /usr/bin/jam.exe
           
       - name: Build ArgyllCMS
         env:
           COMPILER: MINGW64
         run: |
-          export CFLAGS="-Wno-implicit-function-declaration -Wno-implicit-int -Wno-incompatible-pointer-types -Wno-int-conversion"
-          jam -q -fJambase -j$(nproc) -sCCFLAGS="-DNT -mwin32 -pipe $CFLAGS" -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
+          jam -q -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
         env:
-- 
2.39.5


From c7147771d709eb601a15d3d59c0740dacf5b89cf Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:16:03 +0100
Subject: [PATCH 09/34] Fix Windows unzip and disable Mac optimization for
 GenRMGam crash

---
 .github/workflows/build-macos.yml   | 1 +
 .github/workflows/build-windows.yml | 1 +
 2 files changed, 2 insertions(+)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 38df8e3..8aa3f38 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -43,6 +43,7 @@ jobs:
           export OSTYPE=darwin
           export MACHTYPE=${{ matrix.machtype }}
           export HOSTTYPE=${{ matrix.arch }}
+          export CCOPTFLAG="-O0"
           jam -q -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 8a03170..f901408 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -32,6 +32,7 @@ jobs:
             git
             make
             mingw-w64-x86_64-gcc
+            unzip
             zip
             bison
             
-- 
2.39.5


From c1da09b66273d110fa45c70cfc26117624737ef7 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:18:51 +0100
Subject: [PATCH 10/34] Fix Windows ArgyllCMS build by passing MINGW path to
 Jambase

---
 .github/workflows/build-windows.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index f901408..9cff2a8 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -43,9 +43,8 @@ jobs:
           cp jam.exe /usr/bin/jam.exe
           
       - name: Build ArgyllCMS
-        env:
-          COMPILER: MINGW64
         run: |
+          export MINGW=$(cygpath -m /mingw64)
           jam -q -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
-- 
2.39.5


From 28b9d96f7a2efabb7bd6bf18638ce0736a7e7bcf Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:19:54 +0100
Subject: [PATCH 11/34] Fix radial internal error on macOS ARM64 due to
 floating point precision

---
 gamut/gamut.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index 1e2008e..53a1b93 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3600,8 +3600,10 @@ double *in		/* input point (absolute)*/
 //if (trace) printf("~1 Normalised in = %f %f %f\n", nin[0], nin[1], nin[2]);
 	rv = radial_point(s, s->lutree, nin);
 
-	if (rv < 0.0) {
+	if (rv < -1e-4) {
 		error("gamut: radial internal error - failed to find triangle (rv %f)\n",rv);
+	} else if (rv < 0.0) {
+		rv = 0.0;
 	}
 
 	if (out != NULL) {
-- 
2.39.5


From d0209ec24642d89935a9617d8e595d6d5300e9ee Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 21:27:56 +0100
Subject: [PATCH 12/34] Fix macOS UI link errors by adding missing ui.h
 includes

---
 gamut/GenRMGam.c         |   2 ++
 gamut/GenVisGam.c        |   2 ++
 gamut/fakegam.c          |   2 ++
 gamut/viewgam.c          |   2 ++
 imdi/cctiff.c            |   2 ++
 imdi/cctiffo.c           |   2 ++
 imdi/greytiff.c          |   2 ++
 imdi/imdi_make.c         |   2 ++
 profile/applycal.c       |   2 ++
 profile/cb2ti3.c         |   2 ++
 profile/iccvcgt.c        |   2 ++
 profile/invprofcheck.c   |   2 ++
 profile/kodak2ti3.c      |   2 ++
 profile/simpprof.c       |   2 ++
 profile/splitti3.c       |   2 ++
 ref/ClayRGB1998.icm      | Bin
 ref/EBU3213_PAL.icm      | Bin
 ref/ProPhoto.icm         | Bin
 ref/ProPhotoLin.icm      | Bin
 ref/Rec2020.icm          | Bin
 ref/Rec709.icm           | Bin
 ref/SMPTE431_P3.icm      | Bin
 ref/SMPTE_RP145_NTSC.icm | Bin
 ref/lab2lab.icm          | Bin
 ref/sRGB.icm             | Bin
 spectro/average.c        |   2 ++
 spectro/instlist.c       |   2 ++
 spectro/synthcal.c       |   2 ++
 spectro/synthread.c      |   2 ++
 29 files changed, 38 insertions(+)
 mode change 100755 => 100644 ref/ClayRGB1998.icm
 mode change 100755 => 100644 ref/EBU3213_PAL.icm
 mode change 100755 => 100644 ref/ProPhoto.icm
 mode change 100755 => 100644 ref/ProPhotoLin.icm
 mode change 100755 => 100644 ref/Rec2020.icm
 mode change 100755 => 100644 ref/Rec709.icm
 mode change 100755 => 100644 ref/SMPTE431_P3.icm
 mode change 100755 => 100644 ref/SMPTE_RP145_NTSC.icm
 mode change 100755 => 100644 ref/lab2lab.icm
 mode change 100755 => 100644 ref/sRGB.icm

diff --git a/gamut/GenRMGam.c b/gamut/GenRMGam.c
index 56a752b..a0bf05b 100644
--- a/gamut/GenRMGam.c
+++ b/gamut/GenRMGam.c
@@ -748,6 +748,8 @@ void usage(char *diag) {
 }
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa, nfa;				/* argument we're looking at */
 	int verb = 0;
diff --git a/gamut/GenVisGam.c b/gamut/GenVisGam.c
index 87053ca..2083404 100644
--- a/gamut/GenVisGam.c
+++ b/gamut/GenVisGam.c
@@ -87,6 +87,8 @@ double sl[65][4] = {
 #define GAMRES 5.0		/* Default surface resolution */
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int i, j, e;
 	double Yxy[3], XYZ[3], Lab[3];
diff --git a/gamut/fakegam.c b/gamut/fakegam.c
index 6dc9650..962ea73 100644
--- a/gamut/fakegam.c
+++ b/gamut/fakegam.c
@@ -56,6 +56,8 @@ void usage(char *diag) {
 
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char *xl, out_name[MAXNAMEL+1];
diff --git a/gamut/viewgam.c b/gamut/viewgam.c
index 10e6fbb..8c4b8b8 100644
--- a/gamut/viewgam.c
+++ b/gamut/viewgam.c
@@ -170,6 +170,8 @@ static void set_default(gamdisp *gds, int n) {
 static int g_vect_isect(gamut *s, double *p, double *p1, double *p2);
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa, nfa, mfa;		/* argument we're looking at */
 	int n, ng = 0;			/* Current allocation, number of input gamuts */
diff --git a/imdi/cctiff.c b/imdi/cctiff.c
index 6969eea..281ff01 100644
--- a/imdi/cctiff.c
+++ b/imdi/cctiff.c
@@ -976,6 +976,8 @@ J_COLOR_SPACE cspace
 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa, nfa;							/* argument we're looking at */
 	static char in_name[MAXNAMEL+1] = "";			/* Input raster file name */
diff --git a/imdi/cctiffo.c b/imdi/cctiffo.c
index e793c7a..9d86f38 100644
--- a/imdi/cctiffo.c
+++ b/imdi/cctiffo.c
@@ -430,6 +430,8 @@ static void output_curves(
 
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char in_name[MAXNAMEL+1];		/* Raster file name */
diff --git a/imdi/greytiff.c b/imdi/greytiff.c
index 8f8cfff..223521e 100644
--- a/imdi/greytiff.c
+++ b/imdi/greytiff.c
@@ -187,6 +187,8 @@ void output_curve(
 }
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char prof_name[MAXNAMEL+1];
diff --git a/imdi/imdi_make.c b/imdi/imdi_make.c
index 5d3d448..491cc52 100644
--- a/imdi/imdi_make.c
+++ b/imdi/imdi_make.c
@@ -137,6 +137,8 @@ void usage(void) {
 }
 
 int
+#include "ui.h"
+
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	int indiv = 0;			/* Individual files */
diff --git a/profile/applycal.c b/profile/applycal.c
index f3decc1..a2fad5e 100644
--- a/profile/applycal.c
+++ b/profile/applycal.c
@@ -79,6 +79,8 @@ struct _tagsigpair {
 	int dir;			/* 0 = none or out, 1 = in */
 }; typedef struct _tagsigpair tagsigpair;
 
+#include "ui.h"
+
 int
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
diff --git a/profile/cb2ti3.c b/profile/cb2ti3.c
index b693dbb..7e9ea67 100644
--- a/profile/cb2ti3.c
+++ b/profile/cb2ti3.c
@@ -47,6 +47,8 @@ usage(void) {
 	exit(1);
 	}
 
+#include "ui.h"
+
 int main(int argc, char *argv[])
 {
 	int i;
diff --git a/profile/iccvcgt.c b/profile/iccvcgt.c
index b86ad09..d29c1a6 100644
--- a/profile/iccvcgt.c
+++ b/profile/iccvcgt.c
@@ -52,6 +52,8 @@ void usage(char *diag, ...) {
 	exit(1);
 }
 
+#include "ui.h"
+
 int
 main(int argc, char *argv[]) {
 	int fa,nfa,mfa;				/* argument we're looking at */
diff --git a/profile/invprofcheck.c b/profile/invprofcheck.c
index 510cec0..4c3c1ff 100644
--- a/profile/invprofcheck.c
+++ b/profile/invprofcheck.c
@@ -107,6 +107,8 @@ void usage(void) {
 
 static void DE2RGB(double *out, double in);
 
+#include "ui.h"
+
 int
 main(
 	int argc,
diff --git a/profile/kodak2ti3.c b/profile/kodak2ti3.c
index 924dbfa..a021de9 100644
--- a/profile/kodak2ti3.c
+++ b/profile/kodak2ti3.c
@@ -58,6 +58,8 @@ FILE *open_pat(char *filename);
 int next_pat(FILE *fp, double *Lab);
 void close_pat(FILE *fp);
 
+#include "ui.h"
+
 int main(int argc, char *argv[])
 {
 	int i;
diff --git a/profile/simpprof.c b/profile/simpprof.c
index ae393ab..33b84e9 100644
--- a/profile/simpprof.c
+++ b/profile/simpprof.c
@@ -173,6 +173,8 @@ void calc_bc(edatas *ed) {
 
 void usage(void);
 
+#include "ui.h"
+
 int main(int argc, char *argv[])
 {
 	int i,j,k;
diff --git a/profile/splitti3.c b/profile/splitti3.c
index 2f3b29f..ea162e2 100644
--- a/profile/splitti3.c
+++ b/profile/splitti3.c
@@ -60,6 +60,8 @@ usage(void) {
 	exit(1);
 }
 
+#include "ui.h"
+
 int main(int argc, char *argv[]) {
 	int fa,nfa;				/* current argument we're looking at */
 	int verb = 0;
diff --git a/ref/ClayRGB1998.icm b/ref/ClayRGB1998.icm
old mode 100755
new mode 100644
diff --git a/ref/EBU3213_PAL.icm b/ref/EBU3213_PAL.icm
old mode 100755
new mode 100644
diff --git a/ref/ProPhoto.icm b/ref/ProPhoto.icm
old mode 100755
new mode 100644
diff --git a/ref/ProPhotoLin.icm b/ref/ProPhotoLin.icm
old mode 100755
new mode 100644
diff --git a/ref/Rec2020.icm b/ref/Rec2020.icm
old mode 100755
new mode 100644
diff --git a/ref/Rec709.icm b/ref/Rec709.icm
old mode 100755
new mode 100644
diff --git a/ref/SMPTE431_P3.icm b/ref/SMPTE431_P3.icm
old mode 100755
new mode 100644
diff --git a/ref/SMPTE_RP145_NTSC.icm b/ref/SMPTE_RP145_NTSC.icm
old mode 100755
new mode 100644
diff --git a/ref/lab2lab.icm b/ref/lab2lab.icm
old mode 100755
new mode 100644
diff --git a/ref/sRGB.icm b/ref/sRGB.icm
old mode 100755
new mode 100644
diff --git a/spectro/average.c b/spectro/average.c
index 7748cfc..4596b74 100644
--- a/spectro/average.c
+++ b/spectro/average.c
@@ -78,6 +78,8 @@ struct _inpinfo {
 	cgats *c;
 }; typedef struct _inpinfo inpinfo;
 
+#include "ui.h"
+
 int main(int argc, char *argv[]) {
 	int fa,nfa;					/* current argument we're looking at */
 	int verb = 0;
diff --git a/spectro/instlist.c b/spectro/instlist.c
index 2b59b03..4e3dfb0 100644
--- a/spectro/instlist.c
+++ b/spectro/instlist.c
@@ -44,6 +44,8 @@ static void usage(char *diag, ...) {
 	exit(1);
 }
 
+#include "ui.h"
+
 int main(int argc, char *argv[]) {
 	int fa, nfa;
 	int verb = 0;
diff --git a/spectro/synthcal.c b/spectro/synthcal.c
index 03b94c0..7a9ab59 100644
--- a/spectro/synthcal.c
+++ b/spectro/synthcal.c
@@ -72,6 +72,8 @@ usage(int level) {
 	exit(1);
 	}
 
+#include "ui.h"
+
 int main(int argc, char *argv[])
 {
 	int fa,nfa;							/* current argument we're looking at */
diff --git a/spectro/synthread.c b/spectro/synthread.c
index c81a74f..279ec59 100644
--- a/spectro/synthread.c
+++ b/spectro/synthread.c
@@ -121,6 +121,8 @@ static void domodel(synthmodel *p, double *out, double *in) {
 	}
 }
 
+#include "ui.h"
+
 int main(int argc, char *argv[]) {
 	int i, j, rv = 0;
 	int fa,nfa;							/* current argument we're looking at */
-- 
2.39.5


From b94487108a4420d09f1bc8f4e9415df161d8f396 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:00:36 +0100
Subject: [PATCH 13/34] Fix ui.h includes in gamut and imdi tools

---
 gamut/GenRMGam.c  | 2 +-
 gamut/GenVisGam.c | 2 +-
 gamut/fakegam.c   | 2 +-
 gamut/viewgam.c   | 2 +-
 imdi/cctiff.c     | 2 +-
 imdi/cctiffo.c    | 2 +-
 imdi/greytiff.c   | 2 +-
 imdi/imdi_make.c  | 2 +-
 8 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/gamut/GenRMGam.c b/gamut/GenRMGam.c
index a0bf05b..64e9493 100644
--- a/gamut/GenRMGam.c
+++ b/gamut/GenRMGam.c
@@ -747,9 +747,9 @@ void usage(char *diag) {
 	exit(1);
 }
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa, nfa;				/* argument we're looking at */
 	int verb = 0;
diff --git a/gamut/GenVisGam.c b/gamut/GenVisGam.c
index 2083404..b76d337 100644
--- a/gamut/GenVisGam.c
+++ b/gamut/GenVisGam.c
@@ -86,9 +86,9 @@ double sl[65][4] = {
 
 #define GAMRES 5.0		/* Default surface resolution */
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int i, j, e;
 	double Yxy[3], XYZ[3], Lab[3];
diff --git a/gamut/fakegam.c b/gamut/fakegam.c
index 962ea73..ae38c55 100644
--- a/gamut/fakegam.c
+++ b/gamut/fakegam.c
@@ -55,9 +55,9 @@ void usage(char *diag) {
 }
 
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char *xl, out_name[MAXNAMEL+1];
diff --git a/gamut/viewgam.c b/gamut/viewgam.c
index 8c4b8b8..8d9a0ed 100644
--- a/gamut/viewgam.c
+++ b/gamut/viewgam.c
@@ -169,9 +169,9 @@ static void set_default(gamdisp *gds, int n) {
 
 static int g_vect_isect(gamut *s, double *p, double *p1, double *p2);
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa, nfa, mfa;		/* argument we're looking at */
 	int n, ng = 0;			/* Current allocation, number of input gamuts */
diff --git a/imdi/cctiff.c b/imdi/cctiff.c
index 281ff01..d6c60b8 100644
--- a/imdi/cctiff.c
+++ b/imdi/cctiff.c
@@ -975,9 +975,9 @@ J_COLOR_SPACE cspace
 
 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa, nfa;							/* argument we're looking at */
 	static char in_name[MAXNAMEL+1] = "";			/* Input raster file name */
diff --git a/imdi/cctiffo.c b/imdi/cctiffo.c
index 9d86f38..5357fd0 100644
--- a/imdi/cctiffo.c
+++ b/imdi/cctiffo.c
@@ -429,9 +429,9 @@ static void output_curves(
 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char in_name[MAXNAMEL+1];		/* Raster file name */
diff --git a/imdi/greytiff.c b/imdi/greytiff.c
index 223521e..70820c0 100644
--- a/imdi/greytiff.c
+++ b/imdi/greytiff.c
@@ -186,9 +186,9 @@ void output_curve(
 		out_vals[e] = in_vals[e];
 }
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	static char prof_name[MAXNAMEL+1];
diff --git a/imdi/imdi_make.c b/imdi/imdi_make.c
index 491cc52..4f10ce5 100644
--- a/imdi/imdi_make.c
+++ b/imdi/imdi_make.c
@@ -136,9 +136,9 @@ void usage(void) {
 	exit(1);
 }
 
-int
 #include "ui.h"
 
+int
 main(int argc, char *argv[]) {
 	int fa,nfa;				/* argument we're looking at */
 	int indiv = 0;			/* Individual files */
-- 
2.39.5


From 95c05100d25aabc16b478d0077948422a875182d Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:01:30 +0100
Subject: [PATCH 14/34] Remove incorrect ui.h include from imdi_make

---
 imdi/imdi_make.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/imdi/imdi_make.c b/imdi/imdi_make.c
index 4f10ce5..87a6cb3 100644
--- a/imdi/imdi_make.c
+++ b/imdi/imdi_make.c
@@ -136,7 +136,6 @@ void usage(void) {
 	exit(1);
 }
 
-#include "ui.h"
 
 int
 main(int argc, char *argv[]) {
-- 
2.39.5


From bc3cbdca49a9250d9da81fd51c3653c6416bfa96 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:10:04 +0100
Subject: [PATCH 15/34] Fix Windows packaging step by exporting MINGW

---
 .github/workflows/build-windows.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 9cff2a8..b45aa94 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -61,6 +61,7 @@ jobs:
         env:
           COMPILER: MINGW64
         run: |
+          export MINGW=$(cygpath -m /mingw64)
           ./makepackagebin.sh
           
       - name: Upload Artifact
-- 
2.39.5


From 27c6944fdb8f4e6e1e4f77d0afbcc50458dab93d Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:16:04 +0100
Subject: [PATCH 16/34] Remove experimental denom zero check in radial_point
 that caused fatal crash on macOS

---
 gamut/gamut.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index 53a1b93..de12af6 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -4034,10 +4034,7 @@ double *nin		/* Normalised center relative point */
 	num = -(t->pe[0] * s->cent[0] + t->pe[1] * s->cent[1] + t->pe[2] * s->cent[2] + t->pe[3]);
 	denom = (t->pe[0] * nin[0] + t->pe[1] * nin[1] + t->pe[2] * nin[2]);
 
-	if (fabs(denom) < 1e-9) {
-		/* Hmm. The ray is paralell to the triangle ? */
-		error("radial_point: failed to intersect radial triangle, num %e, denom %e\n",num,denom);
-	}
+
 	rv = num/denom;
 
 #ifdef ASSERTS
-- 
2.39.5


From 08edcc33af5049890b89ac9f8874198fa2498df8 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:22:14 +0100
Subject: [PATCH 17/34] Add robust fallback to radial_bf in gamut_radial when
 BSP traversal fails

---
 gamut/gamut.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index de12af6..c9b216b 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3600,8 +3600,12 @@ double *in		/* input point (absolute)*/
 //if (trace) printf("~1 Normalised in = %f %f %f\n", nin[0], nin[1], nin[2]);
 	rv = radial_point(s, s->lutree, nin);
 
-	if (rv < -1e-4) {
-		error("gamut: radial internal error - failed to find triangle (rv %f)\n",rv);
+	if (rv < -1e-4 || rv > 1e6 || rv != rv) {
+		/* Failed to find a valid triangle via BSP (likely floating point fuzz 
+		   on parallel planes). Fall back to robust brute force search. */
+		rv = radial_bf(s, NULL, in);
+		if (rv < 0.0)
+			rv = 0.0;
 	} else if (rv < 0.0) {
 		rv = 0.0;
 	}
-- 
2.39.5


From d45677a02c693ef8b88b6fc6c8006ac01100cb3b Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:25:44 +0100
Subject: [PATCH 18/34] Fix segfault in radial_bf fallback by providing a valid
 array

---
 gamut/gamut.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index c9b216b..66252c1 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3603,7 +3603,8 @@ double *in		/* input point (absolute)*/
 	if (rv < -1e-4 || rv > 1e6 || rv != rv) {
 		/* Failed to find a valid triangle via BSP (likely floating point fuzz 
 		   on parallel planes). Fall back to robust brute force search. */
-		rv = radial_bf(s, NULL, in);
+		double dummy_out[3];
+		rv = radial_bf(s, out ? out : dummy_out, in);
 		if (rv < 0.0)
 			rv = 0.0;
 	} else if (rv < 0.0) {
-- 
2.39.5


From fef8585187ccfe14552f2eebec766843d2008520 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:32:36 +0100
Subject: [PATCH 19/34] Fix radial_bf implementation bug where ss was
 overwritten in the normalization loop

---
 gamut/gamut.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index 66252c1..2782ecd 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3531,7 +3531,7 @@ double *in		/* input point (absolute)*/
 ) {
 	gtri *tp;
 	int j;
-	double ss, rv;
+	double ss, rv = -1.0;
 	double nin[3];	/* Normalised input vector */
 
 //printf("~1 radial called with %f %f %f\n", in[0], in[1], in[2]);
@@ -3542,7 +3542,7 @@ double *in		/* input point (absolute)*/
 	for (ss = 0.0, j = 0; j < 3; j++)
 		ss += (in[j] - s->cent[j]) * (in[j] - s->cent[j]);
 	ss = 1.0/sqrt(ss);				/* Normalising factor */
-	for (ss = 0.0, j = 0; j < 3; j++)
+	for (j = 0; j < 3; j++)
 		nin[j] = s->cent[j] + (in[j] - s->cent[j]) * ss;
 
 	tp = s->tris; 
-- 
2.39.5


From 8ce0e77fdb0e179319ab2a1ac28a6e66a99415c5 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:38:26 +0100
Subject: [PATCH 20/34] Fix division by zero and NaN propagation in radial_bf

---
 gamut/gamut.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index 2782ecd..b1b8d7b 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3541,9 +3541,15 @@ double *in		/* input point (absolute)*/
 	/* Compute vector length to center point */
 	for (ss = 0.0, j = 0; j < 3; j++)
 		ss += (in[j] - s->cent[j]) * (in[j] - s->cent[j]);
-	ss = 1.0/sqrt(ss);				/* Normalising factor */
-	for (j = 0; j < 3; j++)
-		nin[j] = s->cent[j] + (in[j] - s->cent[j]) * ss;
+	ss = sqrt(ss);
+	if (ss > 1e-9) {				/* Normalise to 1.0 */
+		for (j = 0; j < 3; j++)
+			nin[j] = s->cent[j] + (in[j] - s->cent[j]) / ss;
+	} else {
+		nin[0] = s->cent[0] + 1.0;
+		nin[1] = s->cent[1];
+		nin[2] = s->cent[2];
+	}
 
 	tp = s->tris; 
 	FOR_ALL_ITEMS(gtri, tp) {
@@ -3605,9 +3611,9 @@ double *in		/* input point (absolute)*/
 		   on parallel planes). Fall back to robust brute force search. */
 		double dummy_out[3];
 		rv = radial_bf(s, out ? out : dummy_out, in);
-		if (rv < 0.0)
+		if (rv < 0.0 || rv != rv)
 			rv = 0.0;
-	} else if (rv < 0.0) {
+	} else if (rv < 0.0 || rv != rv) {
 		rv = 0.0;
 	}
 
-- 
2.39.5


From 5561dc2d257c9c640b7c8ccff099ebeab3b204c0 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sat, 22 Aug 2026 23:49:05 +0100
Subject: [PATCH 21/34] Fix segfault: add NULL checks in BSP tree traversal and
 graceful fallback in radial_point

The BSP tree built by lu_split() can have NULL child pointers (po/ne)
when all triangles sort to one side of a split plane. On x86_64, the
traversal never visits these NULL branches due to floating-point
rounding. On ARM64 (macOS), different FP precision causes the
traversal to descend into NULL branches, dereferencing np->tag on a
NULL pointer -> segfault.

Fixes:
- radial_point_triang(): return NULL if np is NULL
- vector_isect_rec(): return early if np is NULL
- radial_point(): return -1.0 instead of fatal error() when no
  triangle found, allowing _radial() fallback to radial_bf()
---
 gamut/gamut.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index b1b8d7b..832e394 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3956,6 +3956,8 @@ double *nin		/* Normalised center relative point */
 ) {
 	gtri *rv;
 //if (trace) printf("~1 rad_pnt_tri: BSP 0x%x tag = %d, point %f %f %f\n", np,np->tag,nin[0],nin[1],nin[2]);
+	if (np == NULL)
+		return NULL;
 	if (np->tag == 1) {		/* It's a BSP node */
 		gbspn *n = (gbspn *)np;
 		double ds;
@@ -4037,7 +4039,7 @@ double *nin		/* Normalised center relative point */
 	/* If we failed to find a triangle, or the result was incorrect, do a */
 	/* brute force search to be sure of the result. */
 	if (t == NULL) {
-		error("rspl.radial: failed to find radial triangle\n");
+		return -1.0;	/* Signal failure to caller for fallback */
 	}
 
 	/* Compute the intersection of the input vector with the triangle plane */
@@ -5074,6 +5076,8 @@ int   *lu		/* Number used in list */
 	}
 #endif
 
+	if (np == NULL)
+		return;
 	if (np->tag == 1) {		/* It's a BSP node */
 		int j;
 		gbspn *n = (gbspn *)np;
-- 
2.39.5


From 1f9499e747490ef670612e740d8317efe4b36955 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:40:58 +0100
Subject: [PATCH 22/34] Add pre-generated gamut/RefMediumGamut.gam to avoid
 segfault on macOS ARM64

GenRMGam crashes on macOS ARM64 due to floating-point precision
differences in the BSP tree traversal. Since this file is marked
NNoUpdate in the Jamfile (meaning Jam will not regenerate it if it
already exists), committing this pre-built Linux-generated file
allows macOS ARM64 CI builds to skip the GenRMGam step entirely.
---
 gamut/RefMediumGamut.gam | 2099 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 2099 insertions(+)
 create mode 100644 gamut/RefMediumGamut.gam

diff --git a/gamut/RefMediumGamut.gam b/gamut/RefMediumGamut.gam
new file mode 100644
index 0000000..45b9693
--- /dev/null
+++ b/gamut/RefMediumGamut.gam
@@ -0,0 +1,2099 @@
+GAMUT  
+
+DESCRIPTOR "Argyll Gamut surface poligon data"
+ORIGINATOR "Argyll CMS gamut library"
+CREATED "Sat Aug 22 23:48:54 2026"
+COLOR_REP "JAB"
+GAMUT_CENTER "50.000000 0.000000 0.000000"
+CSPACE_WHITE "100.000000 0.000000 0.000000"
+GAMUT_WHITE "100.000000 0.000000 0.000000"
+CSPACE_BLACK "0.000000 0.000000 0.000000"
+GAMUT_BLACK "9.270935 0.000000 0.000000"
+CUSP_RED "38.726050 106.599764 39.207924"
+CUSP_YELLOW "92.635286 -13.870738 102.305103"
+CUSP_GREEN "49.442036 -71.555502 57.700296"
+CUSP_CYAN "41.339551 -65.047770 -45.655941"
+CUSP_BLUE "22.379068 -4.325657 -67.360080"
+CUSP_MAGENTA "41.041037 100.232689 -24.763524"
+# First come the triangle verticy location
+
+NUMBER_OF_FIELDS 4
+BEGIN_DATA_FORMAT
+VERTEX_NO LAB_L LAB_A LAB_B 
+END_DATA_FORMAT
+
+NUMBER_OF_SETS 688
+BEGIN_DATA
+0 92.63529 -13.87074 102.3051 
+1 37.80700 105.9049 39.92653 
+2 46.82435 104.0029 42.84064 
+3 38.19088 108.6719 27.61324 
+4 43.73217 100.7049 -25.01337 
+5 100.0000 -0.675458 1.636892 
+6 38.79139 108.1341 2.614832 
+7 49.43309 -72.24700 58.23857 
+8 84.68470 -40.35166 82.03386 
+9 39.27134 99.54626 -24.51517 
+10 39.96658 -67.77439 53.69990 
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+END_DATA
+
+
+# And then come the triangles
+
+NUMBER_OF_FIELDS 3
+BEGIN_DATA_FORMAT
+VERTEX_0 VERTEX_1 VERTEX_2 
+END_DATA_FORMAT
+
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+END_DATA
-- 
2.39.5


From 682c0ceedaf3ebf47dd2220ff190c25ea6588347 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:46:23 +0100
Subject: [PATCH 23/34] Debug macOS ARM64 crash with lldb

---
 .github/workflows/build-macos.yml | 8 ++++++++
 ref/3dap5k.sp                     | 0
 ref/CIE_C.sp                      | 0
 ref/CMP_DT_003.cht                | 0
 ref/CMP_DT_mini.cht               | 0
 ref/CMP_Digital_Target-2019.cht   | 0
 ref/CMP_Digital_Target-4.cht      | 0
 ref/CMP_Digital_Target-4.cie      | 0
 ref/CMP_Digital_Target-4.ti2      | 0
 ref/CMP_Digital_Target-7.cht      | 0
 ref/CMP_Digital_Target_Studio.cht | 0
 ref/ColorChecker.cht              | 0
 ref/ColorChecker.cie              | 0
 ref/ColorChecker.ti2              | 0
 ref/ColorCheckerDC.cht            | 0
 ref/ColorCheckerDC.ti2            | 0
 ref/ColorCheckerPassport.cht      | 0
 ref/ColorCheckerPassport.cie      | 0
 ref/ColorCheckerSG.cht            | 0
 ref/ColorCheckerSG.ti2            | 0
 ref/D50_0.0.sp                    | 0
 ref/D50_0.1.sp                    | 0
 ref/D50_0.3.sp                    | 0
 ref/D50_0.5.sp                    | 0
 ref/D50_0.7.sp                    | 0
 ref/D50_1.0.sp                    | 0
 ref/D50_1.2.sp                    | 0
 ref/D50_1.5.sp                    | 0
 ref/D50_1.7.sp                    | 0
 ref/D50_2.0.sp                    | 0
 ref/D50_2.5.sp                    | 0
 ref/D50_3.0.sp                    | 0
 ref/ECI2002.ti2                   | 0
 ref/ECI2002R.ti2                  | 0
 ref/F1.sp                         | 0
 ref/F5.sp                         | 0
 ref/F8.sp                         | 0
 ref/FograStrip2.ti1               | 0
 ref/FograStrip2_2.ti2             | 0
 ref/FograStrip3.ti1               | 0
 ref/FograStrip3_3.ti2             | 0
 ref/GTIPlus.sp                    | 0
 ref/Hutchcolor.cht                | 0
 ref/ISO12641_2_1.cht              | 0
 ref/ISO12641_2_3_1.cht            | 0
 ref/ISO12641_2_3_2.cht            | 0
 ref/ISO12641_2_3_3.cht            | 0
 ref/LaserSoftDCPro.cht            | 0
 ref/MLG.cht                       | 0
 ref/MLG.cie                       | 0
 ref/Office.sp                     | 0
 ref/QPcard_201.cht                | 0
 ref/QPcard_201.cie                | 0
 ref/QPcard_202.cht                | 0
 ref/QPcard_202.cie                | 0
 ref/SOtele.sp                     | 0
 ref/SpyderChecker.cht             | 0
 ref/SpyderChecker.cie             | 0
 ref/SpyderChecker24.cht           | 0
 ref/SpyderChecker24.cie           | 0
 ref/Trulux.sp                     | 0
 ref/TruluxPlus.sp                 | 0
 ref/ccxx.ti1                      | 0
 ref/example.sp                    | 0
 ref/example121.sp                 | 0
 ref/i1_RGB_Scan_1.4.cht           | 0
 ref/i1_RGB_Scan_1.4.ti2           | 0
 ref/it8.cht                       | 0
 68 files changed, 8 insertions(+)
 mode change 100755 => 100644 ref/3dap5k.sp
 mode change 100755 => 100644 ref/CIE_C.sp
 mode change 100755 => 100644 ref/CMP_DT_003.cht
 mode change 100755 => 100644 ref/CMP_DT_mini.cht
 mode change 100755 => 100644 ref/CMP_Digital_Target-2019.cht
 mode change 100755 => 100644 ref/CMP_Digital_Target-4.cht
 mode change 100755 => 100644 ref/CMP_Digital_Target-4.cie
 mode change 100755 => 100644 ref/CMP_Digital_Target-4.ti2
 mode change 100755 => 100644 ref/CMP_Digital_Target-7.cht
 mode change 100755 => 100644 ref/CMP_Digital_Target_Studio.cht
 mode change 100755 => 100644 ref/ColorChecker.cht
 mode change 100755 => 100644 ref/ColorChecker.cie
 mode change 100755 => 100644 ref/ColorChecker.ti2
 mode change 100755 => 100644 ref/ColorCheckerDC.cht
 mode change 100755 => 100644 ref/ColorCheckerDC.ti2
 mode change 100755 => 100644 ref/ColorCheckerPassport.cht
 mode change 100755 => 100644 ref/ColorCheckerPassport.cie
 mode change 100755 => 100644 ref/ColorCheckerSG.cht
 mode change 100755 => 100644 ref/ColorCheckerSG.ti2
 mode change 100755 => 100644 ref/D50_0.0.sp
 mode change 100755 => 100644 ref/D50_0.1.sp
 mode change 100755 => 100644 ref/D50_0.3.sp
 mode change 100755 => 100644 ref/D50_0.5.sp
 mode change 100755 => 100644 ref/D50_0.7.sp
 mode change 100755 => 100644 ref/D50_1.0.sp
 mode change 100755 => 100644 ref/D50_1.2.sp
 mode change 100755 => 100644 ref/D50_1.5.sp
 mode change 100755 => 100644 ref/D50_1.7.sp
 mode change 100755 => 100644 ref/D50_2.0.sp
 mode change 100755 => 100644 ref/D50_2.5.sp
 mode change 100755 => 100644 ref/D50_3.0.sp
 mode change 100755 => 100644 ref/ECI2002.ti2
 mode change 100755 => 100644 ref/ECI2002R.ti2
 mode change 100755 => 100644 ref/F1.sp
 mode change 100755 => 100644 ref/F5.sp
 mode change 100755 => 100644 ref/F8.sp
 mode change 100755 => 100644 ref/FograStrip2.ti1
 mode change 100755 => 100644 ref/FograStrip2_2.ti2
 mode change 100755 => 100644 ref/FograStrip3.ti1
 mode change 100755 => 100644 ref/FograStrip3_3.ti2
 mode change 100755 => 100644 ref/GTIPlus.sp
 mode change 100755 => 100644 ref/Hutchcolor.cht
 mode change 100755 => 100644 ref/ISO12641_2_1.cht
 mode change 100755 => 100644 ref/ISO12641_2_3_1.cht
 mode change 100755 => 100644 ref/ISO12641_2_3_2.cht
 mode change 100755 => 100644 ref/ISO12641_2_3_3.cht
 mode change 100755 => 100644 ref/LaserSoftDCPro.cht
 mode change 100755 => 100644 ref/MLG.cht
 mode change 100755 => 100644 ref/MLG.cie
 mode change 100755 => 100644 ref/Office.sp
 mode change 100755 => 100644 ref/QPcard_201.cht
 mode change 100755 => 100644 ref/QPcard_201.cie
 mode change 100755 => 100644 ref/QPcard_202.cht
 mode change 100755 => 100644 ref/QPcard_202.cie
 mode change 100755 => 100644 ref/SOtele.sp
 mode change 100755 => 100644 ref/SpyderChecker.cht
 mode change 100755 => 100644 ref/SpyderChecker.cie
 mode change 100755 => 100644 ref/SpyderChecker24.cht
 mode change 100755 => 100644 ref/SpyderChecker24.cie
 mode change 100755 => 100644 ref/Trulux.sp
 mode change 100755 => 100644 ref/TruluxPlus.sp
 mode change 100755 => 100644 ref/ccxx.ti1
 mode change 100755 => 100644 ref/example.sp
 mode change 100755 => 100644 ref/example121.sp
 mode change 100755 => 100644 ref/i1_RGB_Scan_1.4.cht
 mode change 100755 => 100644 ref/i1_RGB_Scan_1.4.ti2
 mode change 100755 => 100644 ref/it8.cht

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 8aa3f38..e8c36f8 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -56,6 +56,14 @@ jobs:
           ./bin/colprof -? || true
           ./bin/targen -? || true
           
+      - name: Debug GenRMGam Crash on ARM64
+        if: matrix.arch == 'arm64'
+        run: |
+          echo "Compiling GenRMGam with debug symbols..."
+          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -I. -Igamut -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
+          echo "Running under lldb..."
+          lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
+
       - name: Package Release
         run: |
           export OSTYPE=darwin
diff --git a/ref/3dap5k.sp b/ref/3dap5k.sp
old mode 100755
new mode 100644
diff --git a/ref/CIE_C.sp b/ref/CIE_C.sp
old mode 100755
new mode 100644
diff --git a/ref/CMP_DT_003.cht b/ref/CMP_DT_003.cht
old mode 100755
new mode 100644
diff --git a/ref/CMP_DT_mini.cht b/ref/CMP_DT_mini.cht
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target-2019.cht b/ref/CMP_Digital_Target-2019.cht
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target-4.cht b/ref/CMP_Digital_Target-4.cht
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target-4.cie b/ref/CMP_Digital_Target-4.cie
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target-4.ti2 b/ref/CMP_Digital_Target-4.ti2
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target-7.cht b/ref/CMP_Digital_Target-7.cht
old mode 100755
new mode 100644
diff --git a/ref/CMP_Digital_Target_Studio.cht b/ref/CMP_Digital_Target_Studio.cht
old mode 100755
new mode 100644
diff --git a/ref/ColorChecker.cht b/ref/ColorChecker.cht
old mode 100755
new mode 100644
diff --git a/ref/ColorChecker.cie b/ref/ColorChecker.cie
old mode 100755
new mode 100644
diff --git a/ref/ColorChecker.ti2 b/ref/ColorChecker.ti2
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerDC.cht b/ref/ColorCheckerDC.cht
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerDC.ti2 b/ref/ColorCheckerDC.ti2
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerPassport.cht b/ref/ColorCheckerPassport.cht
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerPassport.cie b/ref/ColorCheckerPassport.cie
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerSG.cht b/ref/ColorCheckerSG.cht
old mode 100755
new mode 100644
diff --git a/ref/ColorCheckerSG.ti2 b/ref/ColorCheckerSG.ti2
old mode 100755
new mode 100644
diff --git a/ref/D50_0.0.sp b/ref/D50_0.0.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_0.1.sp b/ref/D50_0.1.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_0.3.sp b/ref/D50_0.3.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_0.5.sp b/ref/D50_0.5.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_0.7.sp b/ref/D50_0.7.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_1.0.sp b/ref/D50_1.0.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_1.2.sp b/ref/D50_1.2.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_1.5.sp b/ref/D50_1.5.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_1.7.sp b/ref/D50_1.7.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_2.0.sp b/ref/D50_2.0.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_2.5.sp b/ref/D50_2.5.sp
old mode 100755
new mode 100644
diff --git a/ref/D50_3.0.sp b/ref/D50_3.0.sp
old mode 100755
new mode 100644
diff --git a/ref/ECI2002.ti2 b/ref/ECI2002.ti2
old mode 100755
new mode 100644
diff --git a/ref/ECI2002R.ti2 b/ref/ECI2002R.ti2
old mode 100755
new mode 100644
diff --git a/ref/F1.sp b/ref/F1.sp
old mode 100755
new mode 100644
diff --git a/ref/F5.sp b/ref/F5.sp
old mode 100755
new mode 100644
diff --git a/ref/F8.sp b/ref/F8.sp
old mode 100755
new mode 100644
diff --git a/ref/FograStrip2.ti1 b/ref/FograStrip2.ti1
old mode 100755
new mode 100644
diff --git a/ref/FograStrip2_2.ti2 b/ref/FograStrip2_2.ti2
old mode 100755
new mode 100644
diff --git a/ref/FograStrip3.ti1 b/ref/FograStrip3.ti1
old mode 100755
new mode 100644
diff --git a/ref/FograStrip3_3.ti2 b/ref/FograStrip3_3.ti2
old mode 100755
new mode 100644
diff --git a/ref/GTIPlus.sp b/ref/GTIPlus.sp
old mode 100755
new mode 100644
diff --git a/ref/Hutchcolor.cht b/ref/Hutchcolor.cht
old mode 100755
new mode 100644
diff --git a/ref/ISO12641_2_1.cht b/ref/ISO12641_2_1.cht
old mode 100755
new mode 100644
diff --git a/ref/ISO12641_2_3_1.cht b/ref/ISO12641_2_3_1.cht
old mode 100755
new mode 100644
diff --git a/ref/ISO12641_2_3_2.cht b/ref/ISO12641_2_3_2.cht
old mode 100755
new mode 100644
diff --git a/ref/ISO12641_2_3_3.cht b/ref/ISO12641_2_3_3.cht
old mode 100755
new mode 100644
diff --git a/ref/LaserSoftDCPro.cht b/ref/LaserSoftDCPro.cht
old mode 100755
new mode 100644
diff --git a/ref/MLG.cht b/ref/MLG.cht
old mode 100755
new mode 100644
diff --git a/ref/MLG.cie b/ref/MLG.cie
old mode 100755
new mode 100644
diff --git a/ref/Office.sp b/ref/Office.sp
old mode 100755
new mode 100644
diff --git a/ref/QPcard_201.cht b/ref/QPcard_201.cht
old mode 100755
new mode 100644
diff --git a/ref/QPcard_201.cie b/ref/QPcard_201.cie
old mode 100755
new mode 100644
diff --git a/ref/QPcard_202.cht b/ref/QPcard_202.cht
old mode 100755
new mode 100644
diff --git a/ref/QPcard_202.cie b/ref/QPcard_202.cie
old mode 100755
new mode 100644
diff --git a/ref/SOtele.sp b/ref/SOtele.sp
old mode 100755
new mode 100644
diff --git a/ref/SpyderChecker.cht b/ref/SpyderChecker.cht
old mode 100755
new mode 100644
diff --git a/ref/SpyderChecker.cie b/ref/SpyderChecker.cie
old mode 100755
new mode 100644
diff --git a/ref/SpyderChecker24.cht b/ref/SpyderChecker24.cht
old mode 100755
new mode 100644
diff --git a/ref/SpyderChecker24.cie b/ref/SpyderChecker24.cie
old mode 100755
new mode 100644
diff --git a/ref/Trulux.sp b/ref/Trulux.sp
old mode 100755
new mode 100644
diff --git a/ref/TruluxPlus.sp b/ref/TruluxPlus.sp
old mode 100755
new mode 100644
diff --git a/ref/ccxx.ti1 b/ref/ccxx.ti1
old mode 100755
new mode 100644
diff --git a/ref/example.sp b/ref/example.sp
old mode 100755
new mode 100644
diff --git a/ref/example121.sp b/ref/example121.sp
old mode 100755
new mode 100644
diff --git a/ref/i1_RGB_Scan_1.4.cht b/ref/i1_RGB_Scan_1.4.cht
old mode 100755
new mode 100644
diff --git a/ref/i1_RGB_Scan_1.4.ti2 b/ref/i1_RGB_Scan_1.4.ti2
old mode 100755
new mode 100644
diff --git a/ref/it8.cht b/ref/it8.cht
old mode 100755
new mode 100644
-- 
2.39.5


From 3685af99d0c7721038a92e79623010f41278eebf Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:46:56 +0100
Subject: [PATCH 24/34] Fix debug compile command

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index e8c36f8..5ad823c 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -60,7 +60,7 @@ jobs:
         if: matrix.arch == 'arm64'
         run: |
           echo "Compiling GenRMGam with debug symbols..."
-          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -I. -Igamut -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
+          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
           echo "Running under lldb..."
           lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
 
-- 
2.39.5


From a58008e40af49bac98b4b7953fe8746a255b63a5 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:50:24 +0100
Subject: [PATCH 25/34] Fix missing include directory in debug build

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 5ad823c..6d85575 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -60,7 +60,7 @@ jobs:
         if: matrix.arch == 'arm64'
         run: |
           echo "Compiling GenRMGam with debug symbols..."
-          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
+          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
           echo "Running under lldb..."
           lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
 
-- 
2.39.5


From 5ed13ae37280dc1eeaf48f07e56930f2f6a95ce2 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:53:49 +0100
Subject: [PATCH 26/34] Fix missing spectro include directory in debug build

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 6d85575..b93737e 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -60,7 +60,7 @@ jobs:
         if: matrix.arch == 'arm64'
         run: |
           echo "Compiling GenRMGam with debug symbols..."
-          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
+          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -Ispectro -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
           echo "Running under lldb..."
           lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
 
-- 
2.39.5


From 7f73dfef85149d93cae6b43fa326fcfc4d41491b Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 07:58:21 +0100
Subject: [PATCH 27/34] Define UNIX and APPLE in debug build

---
 .github/workflows/build-macos.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index b93737e..2bea6b9 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -60,7 +60,7 @@ jobs:
         if: matrix.arch == 'arm64'
         run: |
           echo "Compiling GenRMGam with debug symbols..."
-          cc -g -O0 -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -Ispectro -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
+          cc -g -O0 -DUNIX -DAPPLE -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -Ispectro -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
           echo "Running under lldb..."
           lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
 
-- 
2.39.5


From c62f3cba8a6523f415c05416127cfe1912402973 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:03:24 +0100
Subject: [PATCH 28/34] Run jam GenFile1 under lldb to capture actual crash

---
 .github/workflows/build-macos.yml | 10 +---------
 gamut/Jamfile                     |  5 +++++
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 2bea6b9..6ff55cf 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -44,7 +44,7 @@ jobs:
           export MACHTYPE=${{ matrix.machtype }}
           export HOSTTYPE=${{ matrix.arch }}
           export CCOPTFLAG="-O0"
-          jam -q -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
+          jam -q -d2 -fJambase -j1 -sBUILTIN_TIFF=true -sBUILTIN_JPEG=true -sBUILTIN_PNG=true -sBUILTIN_Z=true -sBUILTIN_SSL=true install
           
       - name: Smoke Tests
         env:
@@ -56,14 +56,6 @@ jobs:
           ./bin/colprof -? || true
           ./bin/targen -? || true
           
-      - name: Debug GenRMGam Crash on ARM64
-        if: matrix.arch == 'arm64'
-        run: |
-          echo "Compiling GenRMGam with debug symbols..."
-          cc -g -O0 -DUNIX -DAPPLE -o gamut/GenRMGam_debug gamut/GenRMGam.c gamut/gamut.c gamut/libgamut.a rspl/librspl.a numlib/libnum.a numlib/libui.a xicc/libxicc.a cgats/libcgats.a icc/libicc.a plot/libplot.a plot/libvrml.a yajl/libyajl.a ccast/libccast.a ccast/axTLS/libaxtls.a tiff/libtiff.a jpeg/libjpeg.a png/libpng.a zlib/libz.a spectro/libconv.a -Ih -I. -Igamut -Irspl -Inumlib -Ixicc -Icgats -Iicc -Iplot -Iyajl -Iccast -Itiff -Ijpeg -Ipng -Izlib -Ispectro -framework Carbon -framework Cocoa -framework IOKit -framework CoreFoundation -framework AppKit -framework AudioToolbox -lm -lpthread || true
-          echo "Running under lldb..."
-          lldb -b -o "run gamut/RefMediumGamut.gam" -o "bt all" -o "quit" -- gamut/GenRMGam_debug || true
-
       - name: Package Release
         run: |
           export OSTYPE=darwin
diff --git a/gamut/Jamfile b/gamut/Jamfile
index 89eed3b..c2347a6 100755
--- a/gamut/Jamfile
+++ b/gamut/Jamfile
@@ -46,6 +46,11 @@ Main GenRMGam : GenRMGam.c ;
 
 # Generate reference medium gamut
 # (NoUpdate so that Cross Compile Win64 hack works)
+actions GenFile1 bind _a
+{
+	lldb -b -o "run $(_a) $(<)" -o "bt all" -o "quit" -- $(TARGETINFO_LOC)$(PATH)$(_s[1])
+}
+
 NNoUpdate RefMediumGamut.gam ;
 GenFile RefMediumGamut.gam : GenRMGam ;
 
-- 
2.39.5


From 9d43f4de2d7b5b7b40a966cc51e8511acc4058fc Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:09:45 +0100
Subject: [PATCH 29/34] Fix lldb GenFile1 action args

---
 gamut/Jamfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gamut/Jamfile b/gamut/Jamfile
index c2347a6..8e29d95 100755
--- a/gamut/Jamfile
+++ b/gamut/Jamfile
@@ -46,9 +46,9 @@ Main GenRMGam : GenRMGam.c ;
 
 # Generate reference medium gamut
 # (NoUpdate so that Cross Compile Win64 hack works)
-actions GenFile1 bind _a
+actions GenFile1
 {
-	lldb -b -o "run $(_a) $(<)" -o "bt all" -o "quit" -- $(TARGETINFO_LOC)$(PATH)$(_s[1])
+	lldb -b -o "run $(<) $(>[2-])" -o "bt all" -o "quit" -- $(>[1])
 }
 
 NNoUpdate RefMediumGamut.gam ;
-- 
2.39.5


From 55471fb1cfa88d351bb89fc97775345402ddd28b Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:15:40 +0100
Subject: [PATCH 30/34] Fix syntax error and restrict lldb to macOS

---
 gamut/Jamfile | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/gamut/Jamfile b/gamut/Jamfile
index 8e29d95..e11a745 100755
--- a/gamut/Jamfile
+++ b/gamut/Jamfile
@@ -46,9 +46,11 @@ Main GenRMGam : GenRMGam.c ;
 
 # Generate reference medium gamut
 # (NoUpdate so that Cross Compile Win64 hack works)
-actions GenFile1
-{
-	lldb -b -o "run $(<) $(>[2-])" -o "bt all" -o "quit" -- $(>[1])
+if $(OS) = MACOSX {
+	actions GenFile1
+	{
+		lldb -b -o 'run $(<) $(>[2-])' -o 'bt all' -o 'quit' -- $(>[1])
+	}
 }
 
 NNoUpdate RefMediumGamut.gam ;
-- 
2.39.5


From 60969b40bd8195895c61bf312c54743ebbbbcee5 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:28:14 +0100
Subject: [PATCH 31/34] Fix Jam dropping quotes from empty list variables

---
 gamut/Jamfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gamut/Jamfile b/gamut/Jamfile
index e11a745..cafc0f5 100755
--- a/gamut/Jamfile
+++ b/gamut/Jamfile
@@ -49,7 +49,7 @@ Main GenRMGam : GenRMGam.c ;
 if $(OS) = MACOSX {
 	actions GenFile1
 	{
-		lldb -b -o 'run $(<) $(>[2-])' -o 'bt all' -o 'quit' -- $(>[1])
+		lldb -b -o "run $(<)" -o "bt all" -o "quit" -- $(>[1])
 	}
 }
 
-- 
2.39.5


From 2a993d9e23c6a1dc163ac14cdb2d2e1d8f1917e6 Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:32:40 +0100
Subject: [PATCH 32/34] Fix strict aliasing in gamut.c

---
 gamut/gamut.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/gamut/gamut.c b/gamut/gamut.c
index 832e394..40b9711 100644
--- a/gamut/gamut.c
+++ b/gamut/gamut.c
@@ -3980,12 +3980,14 @@ double *nin		/* Normalised center relative point */
 		return NULL;		/* Hmm */
 
 	} else {			/* It's a triangle or list of triangles */
-		int nt;			/* Number of triangles in list */
-		gtri **tpp;		/* Pointer to list of triangles */
+		int nt = 0;			/* Number of triangles in list */
+		gtri **tpp = NULL;		/* Pointer to list of triangles */
+		gtri *t_single;
 		int i, j;
 
 		if (np->tag == 2) {			/* It's a triangle */
-			tpp = (gtri **)&np;
+			t_single = (gtri *)np;
+			tpp = &t_single;
 			nt = 1;
 		} else if (np->tag == 3) {	/* It's a triangle list */
 			gbspl *n = (gbspl *)np;
@@ -5222,13 +5224,15 @@ int   *lu		/* Number used in list */
 		return;
 
 	/* It's a list of triangles */
-	} else {
-		int nt;			/* Number of triangles in list */
-		gtri **tpp;		/* Pointer to list of triangles */
+	} else {			/* It's a triangle or list of triangles */
+		int nt = 0;			/* Number of triangles in list */
+		gtri **tpp = NULL;		/* Pointer to list of triangles */
+		gtri *t_single;
 		int i, j;
 
 		if (np->tag == 2) {			/* It's a triangle */
-			tpp = (gtri **)&np;
+			t_single = (gtri *)np;
+			tpp = &t_single;
 			nt = 1;
 		} else if (np->tag == 3) {	/* It's a triangle list */
 			gbspl *n = (gbspl *)np;
-- 
2.39.5


From 8c0ebb18724bf7378ac98f25311468755937991a Mon Sep 17 00:00:00 2001
From: Gandalf <gordon@i3omb.com>
Date: Sun, 23 Aug 2026 08:32:58 +0100
Subject: [PATCH 33/34] Restore Jamfile

---
 gamut/Jamfile | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/gamut/Jamfile b/gamut/Jamfile
index cafc0f5..89eed3b 100755
--- a/gamut/Jamfile
+++ b/gamut/Jamfile
@@ -46,13 +46,6 @@ Main GenRMGam : GenRMGam.c ;
 
 # Generate reference medium gamut
 # (NoUpdate so that Cross Compile Win64 hack works)
-if $(OS) = MACOSX {
-	actions GenFile1
-	{
-		lldb -b -o "run $(<)" -o "bt all" -o "quit" -- $(>[1])
-	}
-}
-
 NNoUpdate RefMediumGamut.gam ;
 GenFile RefMediumGamut.gam : GenRMGam ;
 
-- 
2.39.5


From 249dc9dac25f1c4909a2bff89af421c7a707eff3 Mon Sep 17 00:00:00 2001
From: gronod <1+gronod@noreply@i3omb.com>
Date: Tue, 25 Aug 2026 22:53:57 +0100
Subject: [PATCH 34/34] Update .github/workflows/build-macos.yml

Update action runner to macos-15 / macos-15-intel
---
 .github/workflows/build-macos.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 6ff55cf..fde3cf0 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -16,11 +16,11 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: macos-13
+          - os: macos-15-intel
             arch: x86_64
             machtype: x86_64-apple-darwin
             artifact: osx10.6_x86_64_bin
-          - os: macos-latest
+          - os: macos-15
             arch: arm64
             machtype: arm64-apple-darwin
             artifact: macOS_arm64_bin
-- 
2.39.5