| dnl Usage: TL_AC_GCC_VERSION(TOPSRCDIR) |
| dnl |
| dnl Set up the variables: |
| dnl |
| dnl gcc_version_trigger: pathname of gcc's version.c, if available |
| dnl gcc_version_full: full gcc version string |
| dnl gcc_version: the first "word" in $gcc_version_full |
| dnl |
| dnl TOPSRCDIR is the top-level source directory. |
| AC_DEFUN([TL_AC_GCC_VERSION], |
| [ |
| changequote(,)dnl |
| if test "${with_gcc_version_trigger+set}" = set; then |
| gcc_version_trigger=$with_gcc_version_trigger |
| else |
| gcc_version_trigger=$1/gcc/version.c |
| fi |
| if test -f "${gcc_version_trigger}"; then |
| gcc_version_full=`grep version_string "${gcc_version_trigger}" | sed -e 's/.*"\([^"]*\)".*/\1/'` |
| else |
| gcc_version_full=`$CC -v 2>&1 | sed -n 's/^gcc version //p'` |
| fi |
| gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
| changequote([,])dnl |
| AC_SUBST(gcc_version_trigger) |
| AC_SUBST(gcc_version_full) |
| AC_SUBST(gcc_version) |
| ])dnl |
