cc-version not available to change EXTRA_CFLAGS

Olaf Hering
2006-01-21T18:08:18Z

I want to add a gcc version check for reiserfs, on akpms request.
This one doesnt work with 2.6.16rc1, havent checked if it ever worked.

make -kj14 O=../O-powerpc-ppc64-defconfig arch/powerpc/mm/mem.o
GEN /home/olaf/kernel/olh/ppc64/O-powerpc-ppc64-defconfig/Makefile
scripts/kconfig/conf -s arch/powerpc/Kconfig
arch/powerpc/platforms/83xx/Kconfig:10:warning: 'select' used by config symbol 'MPC834x_SYS' refer to undefined symbol 'DEFAULT_UIMAGE'
#
# using defaults found in .config
#
make[3]: `.kernelrelease' is up to date.
SPLIT include/linux/autoconf.h -> include/config/*
+ '[' -lt 0400 ']'
/bin/sh: line 1: [: -lt: unary operator expected
make[2]: `arch/powerpc/mm/mem.o' is up to date.
olaf@pomegranate:~/kernel/olh/ppc64/linux-2.6.16-rc1-olh> quilt diff
Index: linux-2.6.16-rc1-olh/arch/powerpc/mm/Makefile
===================================================================
--- linux-2.6.16-rc1-olh.orig/arch/powerpc/mm/Makefile
+++ linux-2.6.16-rc1-olh/arch/powerpc/mm/Makefile
@@ -5,6 +5,7 @@
ifeq ($(CONFIG_PPC64),y)
EXTRA_CFLAGS += -mno-minimal-toc
endif
+GCC_BROKEN_VEC := $(shell set -x ; if [ $(call cc-version) -lt 0400 ] ; then echo "y"; fi)

obj-y := fault.o mem.o lmb.o
obj-$(CONFIG_PPC32) += init_32.o pgtable_32.o mmu_context_32.o
Index: linux-2.6.16-rc1-olh/fs/reiserfs/Makefile
===================================================================
--- linux-2.6.16-rc1-olh.orig/fs/reiserfs/Makefile
+++ linux-2.6.16-rc1-olh/fs/reiserfs/Makefile
@@ -28,7 +28,7 @@ endif
# will work around it. If any other architecture displays this behavior,
# add it here.
ifeq ($(CONFIG_PPC32),y)
-EXTRA_CFLAGS := -O1
+EXTRA_CFLAGS := $(shell set -x ; if [ $(call cc-version) -lt 0402 ] ; then echo $(call cc-option,-O1); fi ;)
endif

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