From 910b40468a9ce3f2f5d48c5d260329c27d45adb5 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 19 Oct 2007 21:46:01 +0200 Subject: kbuild: introduce cc-cross-prefix cc-cross-prefix is useful for the architecture that like to provide a default CROSS_COMPILE value, but may have several to select between. Sample usage: ifneq ($(SUBARCH),$(ARCH)) ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-) endif endif Actual usage by the different archs will taken care of later. Signed-off-by: Sam Ravnborg --- scripts/Kbuild.include | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'scripts') diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index de7bb284c61..b96ea8d6a5e 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -56,6 +56,17 @@ endef # gcc support functions # See documentation in Documentation/kbuild/makefiles.txt +# cc-cross-prefix +# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-) +# Return first prefix where a prefix$(CC) is found in PATH. +# If no $(CC) found in PATH with listed prefixes return nothing +cc-cross-prefix = \ + $(word 1, $(foreach c,$(1), \ + $(shell set -e; \ + if (which $(strip $(c))$(CC)) > /dev/null 2>&1 ; then \ + echo $(c); \ + fi))) + # output directory for tests below TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) -- cgit v1.2.3-70-g09d2