From e2a47f809bfc63d49b2a2c9318b120e63a8fa531 Mon Sep 17 00:00:00 2001
From: Tony Cook <tony@develop-help.com>
Date: Sat, 9 Apr 2011 10:45:37 +1000
Subject: [PATCH] check --whole-archive is supported (in cc.cbu) before using
 it

netbsd for pre 4.6 gcc requires --whole-archive to build shared
libraries, but this is rejected and not required in 4.6.0.
---
 hints/netbsd.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/hints/netbsd.sh b/hints/netbsd.sh
index d812f60..4ecd181 100644
--- a/hints/netbsd.sh
+++ b/hints/netbsd.sh
@@ -35,7 +35,17 @@ case "$osvers" in
 		d_dlopen=$define
 		d_dlerror=$define
 		cccdlflags="-DPIC -fPIC $cccdlflags"
-		lddlflags="--whole-archive -shared $lddlflags"
+		lddlflags="-shared $lddlflags"
+		cat >UU/cc.cbu <<'EOCBU'
+# gcc 4.6 doesn't support --whole-archive, but it's required for the
+# system gcc to build correctly, so check for it
+echo 'int f(void) { return 0; }' >try.c
+if ${cc:-cc} $cccdlflags -c try.c -otry.o 2>&1 &&
+   ${cc:-cc} --whole-archive $lddlflags try.o -otry.so 2>&1 ; then
+    lddlflags="--whole-archive $lddlflags"
+fi
+rm try.c try.o try.so 2>/dev/null
+EOCBU
 		rpathflag="-Wl,-rpath,"
 		case "$osvers" in
 		1.[0-5]*)
-- 
2.7.4