1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# gcc-version [-p] gcc-command 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# Prints the gcc version of `gcc-command' in a canonical 4-digit form 6*4882a593Smuzhiyun# such as `0295' for gcc-2.95, `0303' for gcc-3.3, etc. 7*4882a593Smuzhiyun# 8*4882a593Smuzhiyun# With the -p option, prints the patchlevel as well, for example `029503' for 9*4882a593Smuzhiyun# gcc-2.95.3, `030301' for gcc-3.3.1, etc. 10*4882a593Smuzhiyun# 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunif [ "$1" = "-p" ] ; then 13*4882a593Smuzhiyun with_patchlevel=1; 14*4882a593Smuzhiyun shift; 15*4882a593Smuzhiyunfi 16*4882a593Smuzhiyun 17*4882a593Smuzhiyuncompiler="$*" 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunif [ ${#compiler} -eq 0 ]; then 20*4882a593Smuzhiyun echo "Error: No compiler specified." 21*4882a593Smuzhiyun printf "Usage:\n\t$0 <gcc-command>\n" 22*4882a593Smuzhiyun exit 1 23*4882a593Smuzhiyunfi 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunMAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1) 26*4882a593SmuzhiyunMINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1) 27*4882a593Smuzhiyunif [ "x$with_patchlevel" != "x" ] ; then 28*4882a593Smuzhiyun PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1) 29*4882a593Smuzhiyun printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL 30*4882a593Smuzhiyunelse 31*4882a593Smuzhiyun printf "%02d%02d\\n" $MAJOR $MINOR 32*4882a593Smuzhiyunfi 33