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authorGeert Uytterhoeven <geert@linux-m68k.org>2016-08-03 17:33:32 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-03 12:45:23 -0400
commit4b2e0162e4ab1a976eec0a36ca0bd920b02bfff3 (patch)
tree95481a0c2f12d173b19b320385534619701a6db9 /fs/proc
parentf0936155f2204720655aefbc2f17c25a2c80a59e (diff)
fs/proc: Add compiler check for -Wno-override-init to support gcc < 4.2
With gcc < 4.2 (e.g. 4.1.2): CC fs/proc/task_mmu.o cc1: error: unrecognized command line option "-Wno-override-init" To fix this, only enable the compiler option when it is actually supported by the compiler. Fixes: ca52953f5f24 ("fs/proc/task_mmu.c: suppress compilation warnings with W=1") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index a8c13605b434..12c6922c913c 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -4,7 +4,7 @@
obj-y += proc.o
-CFLAGS_task_mmu.o += -Wno-override-init
+CFLAGS_task_mmu.o += $(call cc-option,-Wno-override-init,)
proc-y := nommu.o task_nommu.o
proc-$(CONFIG_MMU) := task_mmu.o