06/64: Add a variable GLOBAL_CXXFLAGS_PCH for use by precompiled headers

[Ludovic Courtès]

civodul pushed a commit to branch nix
in repository guix.

commit 4eac3b2471063a3726790368665df963e809fc4e
Author: Eelco Dolstra <address@hidden>
Date:   Fri Feb 28 12:13:20 2014 +0100

    Add a variable GLOBAL_CXXFLAGS_PCH for use by precompiled headers
    
    You don't want to use GLOBAL_CXXFLAGS for passing flags like
    "-include-pch" (clang), because that means you cannot use
    GLOBAL_CXXFLAGS when generating the PCH.
---
 patterns.mk |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/patterns.mk b/patterns.mk
index f5674d4..6b2cfd0 100644
--- a/patterns.mk
+++ b/patterns.mk
@@ -1,8 +1,8 @@
 %.o: %.cc
-       $(trace-cxx) $(CXX) -o $@ -c $< $(GLOBAL_CXXFLAGS) $(CXXFLAGS) 
$(address@hidden) -MMD -MF $(call filename-to-dep, $@) -MP
+       $(trace-cxx) $(CXX) -o $@ -c $< $(GLOBAL_CXXFLAGS) 
$(GLOBAL_CXXFLAGS_PCH) $(CXXFLAGS) $(address@hidden) -MMD -MF $(call 
filename-to-dep, $@) -MP
 
 %.o: %.cpp
-       $(trace-cxx) $(CXX) -o $@ -c $< $(GLOBAL_CXXFLAGS) $(CXXFLAGS) 
$(address@hidden) -MMD -MF $(call filename-to-dep, $@) -MP
+       $(trace-cxx) $(CXX) -o $@ -c $< $(GLOBAL_CXXFLAGS) 
$(GLOBAL_CXXFLAGS_PCH) $(CXXFLAGS) $(address@hidden) -MMD -MF $(call 
filename-to-dep, $@) -MP
 
 %.o: %.c
        $(trace-cc) $(CC) -o $@ -c $< $(GLOBAL_CFLAGS) $(CFLAGS) 
$(address@hidden) -MMD -MF $(call filename-to-dep, $@) -MP