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