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Diffstat (limited to 'scripts/gcc-version.sh')
| -rw-r--r-- | scripts/gcc-version.sh | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh new file mode 100644 index 0000000000..debecb5561 --- /dev/null +++ b/scripts/gcc-version.sh @@ -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 |
