Commit | Line | Data |
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afefada0 RS |
1 | dnl Usage: TL_AC_GCC_VERSION(TOPSRCDIR) |
2 | dnl | |
3 | dnl Set up the variables: | |
4 | dnl | |
5 | dnl gcc_version_trigger: pathname of gcc's version.c, if available | |
6 | dnl gcc_version_full: full gcc version string | |
7 | dnl gcc_version: the first "word" in $gcc_version_full | |
8 | dnl | |
9 | dnl TOPSRCDIR is the top-level source directory. | |
10 | AC_DEFUN([TL_AC_GCC_VERSION], | |
11 | [ | |
12 | changequote(,)dnl | |
13 | if test "${with_gcc_version_trigger+set}" = set; then | |
14 | gcc_version_trigger=$with_gcc_version_trigger | |
15 | else | |
16 | gcc_version_trigger=$1/gcc/version.c | |
17 | fi | |
18 | if test -f "${gcc_version_trigger}"; then | |
19 | gcc_version_full=`grep version_string "${gcc_version_trigger}" | sed -e 's/.*"\([^"]*\)".*/\1/'` | |
20 | else | |
21 | gcc_version_full=`$CC -v 2>&1 | sed -n 's/^gcc version //p'` | |
22 | fi | |
23 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` | |
24 | changequote([,])dnl | |
25 | AC_SUBST(gcc_version_trigger) | |
26 | AC_SUBST(gcc_version_full) | |
27 | AC_SUBST(gcc_version) | |
28 | ])dnl |