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(svn r21662) -Codechange: use -flto=jobserver for GCC 4.6, it makes linking with LTO use number of processes passed to make -j

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smatz 2010-12-29 20:46:35 +00:00
parent 14d8ef9add
commit c986325763
2 changed files with 7 additions and 3 deletions
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4
Makefile.src.in
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@ -256,9 +256,9 @@ ifeq ($(OS), PSP)
# Because of a bug in the PSP GCC tools, linking via CXX results
# in total chaos and more problems then you can handle. So we need
# CC to link OpenTTD for PSP
$(Q)$(CC_HOST) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
$(Q)+$(CC_HOST) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
else
$(Q)$(CXX_HOST) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
$(Q)+$(CXX_HOST) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
endif
ifdef STRIP
$(Q)$(STRIP) $@

4
config.lib
View File

@ -1295,7 +1295,11 @@ make_compiler_cflags() {
has_lto=`$1 -dumpspecs | grep '\%{flto'`
if [ -n "$has_lto" ]; then
# Use LTO only if we see LTO exists and is requested
if [ $cc_version -lt 46 ]; then
flags="$flags -flto"
else
flags="$flags -flto=jobserver"
fi
ldflags="$ldflags -fwhole-program"
features="$features lto"
fi