summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
Diffstat (limited to 'tools')
-rw-r--r--tools/build/Build.include4
-rw-r--r--tools/build/Documentation/Build.txt6
2 files changed, 7 insertions, 3 deletions
diff --git a/tools/build/Build.include b/tools/build/Build.include
index 1dcb95e76f70..c4ae12a5d0a5 100644
--- a/tools/build/Build.include
+++ b/tools/build/Build.include
@@ -89,7 +89,9 @@ if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
# - per target C flags
# - per object C flags
# - BUILD_STR macro to allow '-D"$(variable)"' constructs
-c_flags = -Wp,-MD,$(depfile),-MT,$@ $(CFLAGS) -D"BUILD_STR(s)=\#s" $(CFLAGS_$(basetarget).o) $(CFLAGS_$(obj))
+c_flags_1 = -Wp,-MD,$(depfile),-MT,$@ $(CFLAGS) -D"BUILD_STR(s)=\#s" $(CFLAGS_$(basetarget).o) $(CFLAGS_$(obj))
+c_flags_2 = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(c_flags_1))
+c_flags = $(filter-out $(CFLAGS_REMOVE_$(obj)), $(c_flags_2))
cxx_flags = -Wp,-MD,$(depfile),-MT,$@ $(CXXFLAGS) -D"BUILD_STR(s)=\#s" $(CXXFLAGS_$(basetarget).o) $(CXXFLAGS_$(obj))
###
diff --git a/tools/build/Documentation/Build.txt b/tools/build/Documentation/Build.txt
index a47bffbae159..a22587475dbe 100644
--- a/tools/build/Documentation/Build.txt
+++ b/tools/build/Documentation/Build.txt
@@ -135,8 +135,10 @@ CFLAGS
It's possible to alter the standard object C flags in the following way:
- CFLAGS_perf.o += '...' - alters CFLAGS for perf.o object
- CFLAGS_gtk += '...' - alters CFLAGS for gtk build object
+ CFLAGS_perf.o += '...' - adds CFLAGS for perf.o object
+ CFLAGS_gtk += '...' - adds CFLAGS for gtk build object
+ CFLAGS_REMOVE_perf.o += '...' - removes CFLAGS for perf.o object
+ CFLAGS_REMOVE_gtk += '...' - removes CFLAGS for gtk build object
This C flags changes has the scope of the Build makefile they are defined in.