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-rw-r--r--scripts/Kbuild.include21
1 files changed, 9 insertions, 12 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 30816037036e..7484b9d8272f 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -24,6 +24,10 @@ depfile = $(subst $(comma),_,$(dot-target).d)
basetarget = $(basename $(notdir $@))
###
+# real prerequisites without phony targets
+real-prereqs = $(filter-out $(PHONY), $^)
+
+###
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)
@@ -67,14 +71,10 @@ endef
# 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)))
+# Return first <prefix> where a <prefix>gcc is found in PATH.
+# If no gcc found in PATH with listed prefixes return nothing
+cc-cross-prefix = $(firstword $(foreach c, $(filter-out -%, $(1)), \
+ $(if $(shell which $(c)gcc), $(c))))
# output directory for tests below
TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)
@@ -134,12 +134,9 @@ cc-option-yn = $(call try-run,\
cc-disable-warning = $(call try-run,\
$(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
-# cc-version
-cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
-
# cc-ifversion
# Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
-cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4))
+cc-ifversion = $(shell [ $(CONFIG_GCC_VERSION)0 $(1) $(2)000 ] && echo $(3) || echo $(4))
# cc-ldoption
# Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)