From: Jeroen Hofstee <jeroen@xxxxxxxxxxxxx> KBuild abuses the asm statement to write to a file and clang chokes about these invalid asm statements. Hack it even more by fooling this is actual valid asm code. Signed-off-by: Jeroen Hofstee <jeroen@xxxxxxxxxxxxx> [masahiro: Import Jeroen's work for U-Boot: http://patchwork.ozlabs.org/patch/375026/ Tweak sed script a little to drop garbage '#' for GCC case, like #define NR_PAGEFLAGS 23 /* __NR_PAGEFLAGS # */ ] Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- include/linux/kbuild.h | 6 +++--- scripts/Makefile.lib | 5 +++-- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/include/linux/kbuild.h b/include/linux/kbuild.h index 22a7219..4e80f3a 100644 --- a/include/linux/kbuild.h +++ b/include/linux/kbuild.h @@ -2,14 +2,14 @@ #define __LINUX_KBUILD_H #define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val)) -#define BLANK() asm volatile("\n->" : : ) +#define BLANK() asm volatile("\n.ascii \"->\"" : : ) #define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem)) #define COMMENT(x) \ - asm volatile("\n->#" x) + asm volatile("\n.ascii \"->#" x "\"") #endif diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 9c20690..a050859 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -414,9 +414,10 @@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ # Default sed regexp - multiline due to syntax constraints define sed-offsets - "/^->/{s:->#\(.*\):/* \1 */:; \ + 's:^\.ascii *"\(.*\)".*:\1:; \ + /^->/{s:->#\(.*\):/* \1 */:; \ s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:->::; p;}" + s:->::; p;}' endef # Use filechk to avoid rebuilds when a header changes, but the resulting file -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
