From e37b5d13bdce9ec5711bfe38c93969d61188e139 Mon Sep 17 00:00:00 2001
From: tron <tron@openttd.org>
Date: Tue, 7 Nov 2006 15:58:54 +0000
Subject: (svn r7101) Evaluate the necessary flags for libpng once per make
 run, not every time the CFLAGS/LIBS variables are used

---
 Makefile | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 6b3f95a0c..4b73d5fde 100644
--- a/Makefile
+++ b/Makefile
@@ -469,20 +469,22 @@ endif
 # libpng config
 ifdef WITH_PNG
 CDEFS += -DWITH_PNG
-CFLAGS += $(shell $(LIBPNG_CONFIG) --cppflags --I_opts)
+CCFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --cppflags --I_opts)
+CFLAGS += $(CCFLAGS_PNG)
 
 # seems like older libpng versions are broken and need this
 PNGCONFIG_FLAGS = --ldflags --libs
 ifdef STATIC
 ifdef OSX
 # Seems like we need a tiny hack for OSX static to work
-LIBS += $(shell $(LIBPNG_CONFIG) --prefix)/lib/libpng.a
+LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --prefix)/lib/libpng.a
 else
-LIBS += $(shell $(LIBPNG_CONFIG) --static $(PNGCONFIG_FLAGS))
+LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --static $(PNGCONFIG_FLAGS))
 endif
 else
-LIBS += $(shell $(LIBPNG_CONFIG)  --L_opts $(PNGCONFIG_FLAGS))
+LDFLAGS_PNG := $(shell $(LIBPNG_CONFIG) --L_opts $(PNGCONFIG_FLAGS))
 endif
+LIBS += $(LDFLAGS_PNG)
 endif
 
 # use std C++ lib:
-- 
cgit v1.2.3-54-g00ecf