busybox/scripts/gcc-version.sh
Denys Vlasenko d9136efd7a gcc-version.sh: Cygwin fix
On Cygwin, "echo __GNUC__ __GNUC_MINOR__ | gcc -E -xc -" can print
extra empty trailing line.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-18 13:22:26 +02:00

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#!/bin/sh
#
# gcc-version 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.
#
compiler="$*"
MAJ_MIN=$(echo __GNUC__ __GNUC_MINOR__ | $compiler -E -xc - | grep . | tail -n 1)
printf '%02d%02d\n' $MAJ_MIN