If using GCC, try to turn on -Wall. I want to be clean with respect

to -Wall.

diff --git a/configure.in b/configure.in
index f7704cb..2931927 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -30,6 +30,9 @@ fi
 # compile with optimisation and without debugging by default, unless
 # --debug is given.  We must decide this before testing the compiler.
 
+# Please allow this to default to yes, so that your users have more
+# chance of getting a useful stack trace if problems occur.
+
 AC_MSG_CHECKING([whether to include debugging symbols])
 AC_ARG_ENABLE(debug,
        AC_HELP_STRING([--enable-debug],
@@ -49,6 +52,12 @@ fi
 
 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
 
+# If GCC, turn on warnings.
+if test "x$GCC" = "xyes"
+then
+       CFLAGS="$CFLAGS -Wall"
+fi
+
 AC_ARG_WITH(included-popt,
         [  --with-included-popt    use bundled popt library, not from system])