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authorSam Ravnborg <sam@mars.ravnborg.org>2006-01-22 13:34:15 +0100
committerSam Ravnborg <sam@mars.ravnborg.org>2006-02-19 09:51:20 +0100
commit20a468b51325b3636785a8ca0047ae514b39cbd5 (patch)
tree22e8d00b947cd110c9d600d24c4119ff30ff22c1 /Makefile
parentb39927cf4cc5a9123d2b157ffd396884cb8156eb (diff)
kbuild: make cc-version available in kbuild files
Move $(CC) support functions to Kbuild.include so they are available in the kbuild files. In addition the following was done: o as-option documented in Documentation/kbuild/makefiles.txt o Moved documentation to new section to match new scope of functions o added cc-ifversion used to conditionally select a text string dependent on actual $(CC) version o documented cc-ifversion o change so Kbuild.include is read before the kbuild file Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile32
1 files changed, 0 insertions, 32 deletions
diff --git a/Makefile b/Makefile
index c55d0f1b85ec..05b451a1b760 100644
--- a/Makefile
+++ b/Makefile
@@ -258,38 +258,6 @@ endif
export quiet Q KBUILD_VERBOSE
-######
-# cc support functions to be used (only) in arch/$(ARCH)/Makefile
-# See documentation in Documentation/kbuild/makefiles.txt
-
-# as-option
-# Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,)
-
-as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
- -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; \
- else echo "$(2)"; fi ;)
-
-# cc-option
-# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
-
-cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
- > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
-
-# cc-option-yn
-# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
-cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
- > /dev/null 2>&1; then echo "y"; else echo "n"; fi;)
-
-# cc-option-align
-# Prefix align with either -falign or -malign
-cc-option-align = $(subst -functions=0,,\
- $(call cc-option,-falign-functions=0,-malign-functions=0))
-
-# cc-version
-# Usage gcc-ver := $(call cc-version $(CC))
-cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \
- $(if $(1), $(1), $(CC)))
-
# Look for make include files relative to root of kernel src
MAKEFLAGS += --include-dir=$(srctree)

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