- add hostcc-option checker

git-svn-id: svn://busybox.net/trunk/busybox@17487 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index a7fb4d521..c6599c8f5 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -61,6 +61,12 @@ as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
 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 ;)
 
+# hostcc-option
+# Usage: hostcflags-y += $(call hostcc-option, -march=winchip-c6, -march=i586)
+
+hostcc-option = $(shell if $(HOSTCC) $(HOSTCFLAGS) $(1) -S -o /dev/null -xc /dev/null \
+             > /dev/null 2>&1; then echo "$(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 \