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tools, config.mk: Add gcc-version.sh, cc-version test from Linux 

Added from Linux - commit fde7d9049e55ab85a390be7f415d74c9f62dd0f9

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2012-03-16 05:27:47 +00:00 committed by Albert ARIBAUD
parent 20c6312913
commit 19a695f84b
2 changed files with 37 additions and 1 deletions
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6
config.mk
View File

@ -104,7 +104,7 @@ HOSTCFLAGS += -pedantic
#########################################################################
#
# Option checker (courtesy linux kernel) to ensure
# Option checker, gcc version (courtesy linux kernel) to ensure
# only supported compiler options are used
#
CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
@ -125,6 +125,10 @@ cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
$(if $(call cc-option-sys,$1),$1,$2)))
endif
# cc-version
# Usage gcc-ver := $(call cc-version)
cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
#
# Include the make variables (CC, etc...)
#

32
tools/gcc-version.sh Executable file
View File

@ -0,0 +1,32 @@
#!/bin/sh
#
# gcc-version [-p] gcc-command
#
# Prints the gcc version of `gcc-command' in a canonical 4-digit form
# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc.
#
# With the -p option, prints the patchlevel as well, for example `029503' for
# gcc-2.95.3, `030301' for gcc-3.3.1, etc.
#
if [ "$1" = "-p" ] ; then
with_patchlevel=1;
shift;
fi
compiler="$*"
if [ ${#compiler} -eq 0 ]; then
echo "Error: No compiler specified."
printf "Usage:\n\t$0 <gcc-command>\n"
exit 1
fi
MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1)
MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1)
if [ "x$with_patchlevel" != "x" ] ; then
PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1)
printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
else
printf "%02d%02d\\n" $MAJOR $MINOR
fi