rm -f conftest
])])
-dnl
-dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
-dnl *Must* be called after AC_PROG_CC
-dnl
-AC_DEFUN(FPTOOLS_HAVE_GCC,
-[AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
+
+# FP_HAVE_GCC
+# -----------
+# Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
+# output variables HaveGcc and GccVersion.
+AC_DEFUN([FP_HAVE_GCC],
+[AC_REQUIRE([AC_PROG_CC])
+AC_CACHE_CHECK([whether your gcc is OK], [fp_cv_have_gcc],
[if test -z "$GCC"; then
- echo ''
- echo "You would be better off with gcc"
- echo "Perhaps it is already installed, but not in your PATH?"
- fptools_cv_have_gcc='no'
+ fp_cv_have_gcc='no'
+ AC_MSG_WARN([You would be better off with gcc, perhaps it is already installed, but not in your PATH?])
else
-changequote(, )dnl
- gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [^0-9]*\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1\.\2/g' `"
-changequote([, ])dnl
- fptools_cv_have_gcc='yes'
- FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
- [fptools_cv_have_gcc='no'
- echo ""
- echo "your gcc version appears to be ..."
- $CC --version
- echo "gcc prior to 2.0 and have never worked with ghc."
- echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
- AC_MSG_ERROR([gcc 1.X has never been supported])])
-fi
-])
-HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
-AC_SUBST(HaveGcc)
-GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '`
-AC_SUBST(GccVersion)
-])
-
-dnl
-dnl Some OSs (Mandrake Linux, in particular) configure GCC with
-dnl -momit-leaf-frame-pointer on by default. If this is the case, we
-dnl need to turn it off for mangling to work. The test is currently a bit
-dnl crude, using only the version number of gcc.
-dnl
-AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
-[AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
-[FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
- [fptools_cv_gcc_needs_no_omit_lfptr=yes],
- [fptools_cv_gcc_needs_no_omit_lfptr=no])])
-if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
- AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
-fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
+ fp_cv_have_gcc='yes'
+ gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9]][[0-9]]*\)\.\([[0-9]][[0-9]]*\).*/\1\.\2/g' `"
+ FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
+ [AC_MSG_ERROR([Need at least gcc version 2.0 (2.95.3 recommend)])])
+fi])
+AC_SUBST([HaveGcc], [`echo $fp_cv_have_gcc | sed 'y/yesno/YESNO/'`])
+AC_SUBST([GccVersion], [`gcc --version | grep mingw | cut -f 3 -d ' '`])
+])# FP_HAVE_GCC
dnl Small feature test for perl version. Assumes PerlCmd