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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-11 21:16:23 +0200
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-11 21:16:23 +0200
commit23b99061c80f6979cdf873e534f6cd213b460781 (patch)
tree5d87a5f851a5a72778197bcb7c87a4bb15b57045
parent803ea5ff0514ba250b23d134590b5c5d53a994f8 (diff)
downloaduClibc-alpine-23b99061c80f6979cdf873e534f6cd213b460781.tar.bz2
uClibc-alpine-23b99061c80f6979cdf873e534f6cd213b460781.tar.xz
buildsys: document UCLIBC_EXTRA_CPPFLAGS
Rename EXTRA_CPPFLAGS to UCLIBC_EXTRA_CPPFLAGS and make them override previous flags (by appending - not prepending - them to the other flags).
-rw-r--r--Makefile.help1
-rw-r--r--Makerules4
2 files changed, 3 insertions, 2 deletions
diff --git a/Makefile.help b/Makefile.help
index 1c2c96e04..d99cf9634 100644
--- a/Makefile.help
+++ b/Makefile.help
@@ -60,4 +60,5 @@ help:
@echo ' and the include dir (usually "/usr")'
@echo ' MULTILIB_DIR= - Directory component for libraries (default "lib").'
@echo ' UCLIBC_EXTRA_CFLAGS - extra CFLAGS for compiling uClibc'
+ @echo ' UCLIBC_EXTRA_CPPFLAGS - extra CPPFLAGS for compiling uClibc'
diff --git a/Makerules b/Makerules
index f045e527f..7a3962cac 100644
--- a/Makerules
+++ b/Makerules
@@ -233,12 +233,12 @@ cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) \
$(CFLAGS-$(notdir $<)) \
$(CFLAGS-$(notdir $@)) \
$(CFLAGS_gen.dep)
-cmd_compile.i = $(cmd_compile.c:-c=-E -dD $(EXTRA_CPPFLAGS))
+cmd_compile.i = $(cmd_compile.c:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
cmd_compile.s = $(cmd_compile.c:-c=-S)
cmd_compile.u = $(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@)) $(CFLAGS_gen.dep)
cmd_compile.S = $(filter-out -std=gnu99, $(cmd_compile.c)) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
-cmd_compile.mi= $(cmd_compile.m:-c=-E -dD $(EXTRA_CPPFLAGS))
+cmd_compile.mi= $(cmd_compile.m:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS)
cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@)) $(sort $(foreach d,$(^:$(top_srcdir)=),$(collect_multi_flags)))
cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^