[project @ 2004-12-16 10:36:57 by simonmar]

Sanity check when configuring for mingw32: make sure that $CC is a
mingw gcc before proceeding.

diff --git a/aclocal.m4 b/aclocal.m4
index 16db6ce..a615c55 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -511,6 +511,19 @@ 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
 
+AC_DEFUN([FP_MINGW_GCC],
+[
+  case $HostOS_CPP in
+    mingw*)  AC_MSG_CHECKING([whether $CC is a mingw gcc])
+            if $CC -v 2>&1 | grep mingw >/dev/null; then
+               AC_MSG_RESULT([yes])
+            else
+               AC_MSG_RESULT([no])
+               AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
+            fi;;
+    *) ;;      
+  esac
+])
 
 dnl Small feature test for perl version. Assumes PerlCmd
 dnl contains path to perl binary

diff --git a/configure.ac b/configure.ac
index 388fa5c..e2d7536 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -805,6 +805,7 @@ dnl     Figure out which C compiler to use.  Gcc is preferred.
 dnl     If gcc, make sure it's at least 2.1
 dnl
 FP_HAVE_GCC
+FP_MINGW_GCC
 
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP