Look for gcc3 (Anthony Liguori).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2249 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/configure b/configure
index 84f8ee0..ab85956 100755
--- a/configure
+++ b/configure
@@ -22,6 +22,8 @@
static="no"
cross_prefix=""
cc="gcc"
+gcc3_search="yes"
+gcc3_list="gcc-3.4 gcc34 gcc-3.3 gcc33 gcc-3.2 gcc32"
host_cc="gcc"
ar="ar"
make="make"
@@ -178,6 +180,7 @@
--cross-prefix=*) cross_prefix="$optarg"
;;
--cc=*) cc="$optarg"
+ gcc3_search="no"
;;
--host-cc=*) host_cc="$optarg"
;;
@@ -314,6 +317,45 @@
fi
fi
+# Check for gcc4, error if pre-gcc4
+if test "$check_gcc" = "yes" ; then
+ cat > $TMPC <<EOF
+#if __GNUC__ < 4
+#error gcc3
+#endif
+int main(){return 0;}
+EOF
+ check_cc() {
+ which "$1" >&/dev/null
+ return $?
+ }
+
+ if "$cc" -o $TMPE $TMPC 2>/dev/null ; then
+ echo "WARNING: \"$cc\" looks like gcc 4.x"
+ found_compat_cc="no"
+ if test "$gcc3_search" = "yes" ; then
+ echo "Looking for gcc 3.x"
+ for compat_cc in $gcc3_list ; do
+ if check_cc "$compat_cc" ; then
+ echo "Found \"$compat_cc\""
+ cc="$compat_cc"
+ found_compat_cc="yes"
+ break
+ fi
+ done
+ if test "$found_compat_cc" = "no" ; then
+ echo "gcc 3.x not found!"
+ fi
+ fi
+ if test "$found_compat_cc" = "no" ; then
+ echo "QEMU is known to have problems when compiled with gcc 4.x"
+ echo "It is recommended that you use gcc 3.x to build QEMU"
+ echo "To use this compiler anyway, configure with --disable-gcc-check"
+ exit 1;
+ fi
+ fi
+fi
+
#
# Solaris specific configure tool chain decisions
#
@@ -416,23 +458,6 @@
have_gcc3_options="yes"
fi
-# Check for gcc4, error if pre-gcc4
-if test "$check_gcc" = "yes" ; then
- cat > $TMPC <<EOF
-#if __GNUC__ < 4
-#error gcc3
-#endif
-int main(){return 0;}
-EOF
- if $cc -o $TMPO $TMPC 2>/dev/null ; then
- echo "ERROR: \"$cc\" looks like gcc 4.x"
- echo "QEMU is known to have problems when compiled with gcc 4.x"
- echo "It is recommended that you use gcc 3.x to build QEMU"
- echo "To use this compiler anyway, configure with --disable-gcc-check"
- exit 1;
- fi
-fi
-
##########################################
# SDL probe
