From 771a36c1de0f5743a48b952a2dbb8bce16066462 Mon Sep 17 00:00:00 2001
From: Albert Cahalan <albert@users.sourceforge.net>
Date: Wed, 28 May 2008 01:13:25 +0000
Subject: [PATCH] Begasus wanted some BeOS/Haiku changes

---
 Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index fae9401e5..aeeae2911 100644
--- a/Makefile
+++ b/Makefile
@@ -34,12 +34,14 @@ endif
 endif
 endif
 
+# test if a library can be linked
 linktest = $(shell if $(CC) $(CPPFLAGS) $(CFLAGS) -o dummy.o dummy.c $(LDFLAGS) $(1) $(2) > /dev/null 2>&1; \
 	then \
 		echo "$(1)"; \
 	fi ;)
 
-linktestdebug = $(shell if $(CC) $(CPPFLAGS) $(CFLAGS) -o dummy.o dummy.c $(LDFLAGS) $(1) $(2) 1>&2; \
+# test compiler options
+comptest = $(shell if $(CC) $(CPPFLAGS) $(CFLAGS) $(1) $(2) -o dummy.o dummy.c $(LDFLAGS) > /dev/null 2>&1; \
 	then \
 		echo "$(1)"; \
 	fi ;)
@@ -199,7 +201,7 @@ endif
 #-ffast-math
 OPTFLAGS:=-O2
 CFLAGS:=$(OPTFLAGS) -W -Wall -fno-common -ffloat-store \
-	-fvisibility=hidden \
+	$(call comptest,-fvisibility=hidden,) \
 	-Wcast-align -Wredundant-decls \
 	-Wbad-function-cast -Wwrite-strings \
 	-Waggregate-return \