On Sun, Sep 26, 2010 at 07:11:12PM -0700, matt mooney wrote: > When O= is used, any -I flag given that is not an absolute path gets > duplicated. The $(1) appended to the conditional clause covers the > absolute case, but due to being outside of the conditional statement > it gets added everytime. > > Signed-off-by: matt mooney <mfm@xxxxxxxxxxxxx> > --- > scripts/Kbuild.include | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include > index ed2773e..08c74ed 100644 > --- a/scripts/Kbuild.include > +++ b/scripts/Kbuild.include > @@ -158,7 +158,7 @@ modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj > # Prefix -I with $(srctree) if it is not an absolute path. > # skip if -I has no parameter > addtree = $(if $(patsubst -I%,%,$(1)), \ > -$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)) > +$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1)),$(1))) $ mkdir _build-new; make O=_build-new defconfig; make O=_build-new V=1 all fails with perl /home/mmarek/linux-2.6/kernel/timeconst.pl 1000 > kernel/timeconst.h gcc -Wp,-MD,kernel/.time.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.5/include -I/home/mmarek/linux-2.6/arch/x86/include -Iinclude -I/home/mmarek/linux-2.6/include -include include/generated/autoconf.h -I/home/mmarek/linux-2.6/kernel -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -m64 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -Wframe-larger-than=2048 -fno-stack-protector -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(time)" -D"KBUILD_MODNAME=KBUILD_STR(time)" -c -o kernel/time.o /home/mmarek/linux-2.6/kernel/time.c /home/mmarek/linux-2.6/kernel/time.c:44:23: fatal error: timeconst.h: No such file or directory The correct gcc line without your patch is gcc -Wp,-MD,kernel/.time.o.d -nostdinc -isystem /usr/lib64/gcc/x86_64-suse-linux/4.5/include -I/home/mmarek/linux-2.6/arch/x86/include -Iinclude -I/home/mmarek/linux-2.6/include -include include/generated/autoconf.h -I/home/mmarek/linux-2.6/kernel -Ikernel -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -m64 -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -Wframe-larger-than=2048 -fno-stack-protector -fno-omit-frame-pointer -fno-optimize-sibling-calls -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(time)" -D"KBUILD_MODNAME=KBUILD_STR(time)" -c -o kernel/time.o /home/mmarek/linux-2.6/kernel/time.c The difference is that with your patch it is lacking the -Ikernel include, so it does not search for generated header files in $(obj). Michal -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
