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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-05-28 12:22:02 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-06-08 12:56:01 +0300
commit469cb7376c067bc6203de4ceed253c10fe712542 (patch)
tree947d8e29568376f46db9065d044f4ef90f553cf7 /scripts/clang-version.sh
parenta4353898980cc46b28c03fc401d4d916d82c6f4f (diff)
downloadlinux-469cb7376c067bc6203de4ceed253c10fe712542.tar.xz
kconfig: add CC_IS_CLANG and CLANG_VERSION
This will be useful to describe the clang version dependency. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'scripts/clang-version.sh')
-rwxr-xr-xscripts/clang-version.sh18
1 files changed, 4 insertions, 14 deletions
diff --git a/scripts/clang-version.sh b/scripts/clang-version.sh
index 9780efa56980..dbf0a31eb111 100755
--- a/scripts/clang-version.sh
+++ b/scripts/clang-version.sh
@@ -10,24 +10,14 @@
# clang-5.0.1 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 <clang-command>\n"
+if !( $compiler --version | grep -q clang) ; then
+ echo 0
exit 1
fi
MAJOR=$(echo __clang_major__ | $compiler -E -x c - | tail -n 1)
MINOR=$(echo __clang_minor__ | $compiler -E -x c - | tail -n 1)
-if [ "x$with_patchlevel" != "x" ] ; then
- PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
- printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL
-else
- printf "%02d%02d\\n" $MAJOR $MINOR
-fi
+PATCHLEVEL=$(echo __clang_patchlevel__ | $compiler -E -x c - | tail -n 1)
+printf "%d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL