Added --enable-debug

Makefile.in

@@ -14,12 +14,8 @@ top_srcdir=@AP_TOP_SRCDIR@
 top_builddir=@AP_TOP_BUILDDIR@
 include @AP_INSTALLBUILDDIR@/special.mk
 
-ifdef MOD_PSGI_DEBUG
-DEBUG_DEFS=-DDEBUG
-else
-DEBUG_DEFS=
-endif
-DEFS=-DMOD_PSGI_VERSION=\"$(PACKAGE_VERSION)\" $(DEBUG_DEFS)
+DEFS=@DEBUG_DEFS@ -DMOD_PSGI_VERSION=\"$(PACKAGE_VERSION)\"
+EXTRA_CFLAGS+=@EXTRA_CFLAGS@
 INCLUDES=@PERL_CCOPTS@
 LDFLAGS=@PERL_LDOPTS@
 

configure.ac

@@ -45,6 +45,22 @@ PERL_LDOPTS=`$PERL -MExtUtils::Embed -e ldopts`
 AC_SUBST(PERL_CCOPTS)
 AC_SUBST(PERL_LDOPTS)
 
+AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],
+            [enable debug mode]),
+            [ENABLE_DEBUG="$enable_debug"],
+            [ENABLE_DEBUG="no"])
+AP_LIBTOOL=`$APXS -q LIBTOOL`
+eval `$AP_LIBTOOL --config | grep "^CC"`
+if test "$CC" = "gcc"; then
+    EXTRA_CFLAGS="-Wall"
+    if test "$ENABLE_DEBUG" = "yes"; then
+        EXTRA_CFLAGS+=" -g"
+        DEBUG_DEFS="-DMOD_PSGI_DEBUG"
+        AC_SUBST(DEBUG_DEFS)
+    fi
+    AC_SUBST(EXTRA_CFLAGS)
+fi
+
 AC_OUTPUT([Makefile t/Config.pm])
 
 echo "

mod_psgi.c

@@ -58,7 +58,7 @@
 
 #define PSGI_HANDLER_NAME "psgi"
 
-#ifdef DEBUG
+#ifdef MOD_PSGI_DEBUG
 #define TRACE(...) ap_log_error(APLOG_MARK, APLOG_NOERRNO|APLOG_NOTICE, 0, NULL, __VA_ARGS__)
 #endif