From de47062a17a236543690e0c23dfb30cb11c6e674 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Sat, 4 Aug 2007 20:30:42 +0200 Subject: kbuild: improve scripts/gcc-version.sh output a bit when called without args Currently, if you call scripts/gcc-version.sh without arguments it will generate this output : $ sh scripts/gcc-version.sh scripts/gcc-version.sh: line 12: [: =: unary operator expected scripts/gcc-version.sh: line 16: -E: command not found scripts/gcc-version.sh: line 17: -E: command not found 0000 Not too pretty. I believe this is an improvement : $ sh scripts/gcc-version.sh Error: No compiler specified. Usage: scripts/gcc-version.sh Signed-off-by: Jesper Juhl Signed-off-by: Sam Ravnborg --- scripts/gcc-version.sh | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'scripts/gcc-version.sh') diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh index 8a1d1879c7ad..a5121a6d8949 100644 --- a/scripts/gcc-version.sh +++ b/scripts/gcc-version.sh @@ -9,10 +9,16 @@ # gcc-2.95.3, `030301' for gcc-3.3.1, etc. # -if [ $1 = "-p" ] ; then with_patchlevel=1; shift; fi +if [[ $1 = "-p" ]] ; then with_patchlevel=1; shift; fi compiler="$*" +if [ ${#compiler} -eq 0 ]; then + echo "Error: No compiler specified." + echo -e "Usage:\n\t$0 " + exit 1 +fi + MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) if [ "x$with_patchlevel" != "x" ] ; then -- cgit v1.2.3