Index: configure.in.in
===================================================================
--- configure.in.in	(révision 29269)
+++ configure.in.in	(copie de travail)
@@ -280,8 +280,8 @@
 
   dnl Make sure we detect possible errors (if supported)
   save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wall -Werror"
-  AC_MSG_CHECKING([whether $CC accepts -Wall -Werror])
+  CFLAGS="$CFLAGS -Wall"
+  AC_MSG_CHECKING([whether $CC accepts -Wall])
   AC_COMPILE_IFELSE(AC_LANG_SOURCE([int x;]), [
     AC_MSG_RESULT([yes])
   ], [
@@ -296,8 +296,8 @@
 
     dnl Use -O0 -g3 if the compiler supports it
     save_CFLAGS="$CFLAGS"
-    CFLAGS="$CFLAGS -O0 -g3"
-    AC_MSG_CHECKING([whether $CC accepts -O0 -g3])
+    CFLAGS="$CFLAGS -Werror -O0 -g3"
+    AC_MSG_CHECKING([whether $CC accepts -Werror -O0 -g3])
     AC_COMPILE_IFELSE(AC_LANG_SOURCE([int x;]), [
       AC_MSG_RESULT([yes])
     ], [