From b6615b2cd4d45698ad6d2077c07a3faec2c0dcc9 Mon Sep 17 00:00:00 2001
From: Jelle van der Waa <jelle@vdwaa.nl>
Date: Wed, 14 Oct 2020 21:24:48 +0200
Subject: [PATCH] Fix: make reproducible by not embedding timestamps

By default gzip embeds a timestamps which makes building it twice
not reproducible, passing -n skips this embedding behaviour.

Motivation: https://reproducible-builds.org
---
 cmake/InstallAndPackage.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/InstallAndPackage.cmake b/cmake/InstallAndPackage.cmake
index eafcfc21b6..9c2ae1924c 100644
--- a/cmake/InstallAndPackage.cmake
+++ b/cmake/InstallAndPackage.cmake
@@ -45,7 +45,7 @@ if(OPTION_INSTALL_FHS)
     install(CODE
             "
                 execute_process(COMMAND ${CMAKE_COMMAND} -E copy ${MAN_SOURCE_FILE} ${MAN_BINARY_FILE})
-                execute_process(COMMAND gzip -9 -f ${MAN_BINARY_FILE})
+                execute_process(COMMAND gzip -9 -n -f ${MAN_BINARY_FILE})
             "
             COMPONENT manual)
     install(FILES