* don't compile pngtest, it's not SDK compatible

* enable sdk on contrib again

extras/contrib/bootstrap

@@ -69,19 +69,19 @@ case $HOST in
 	    echo "ENVP = MACOSX_DEPLOYMENT_TARGET=${SDK_TARGET}" >> config.mak
 	    echo "MACOSX_SDK = /Developer/SDKs/MacOSX10.3.9.sdk" >> config.mak
 	    CFLAGS_TUNING=" -mtune=G4"
-	    #EXTRA_CFLAGS=" -D\${ENVP} -isysroot \${MACOSX_SDK}"
-	    #EXTRA_LDFLAGS=" -isysroot \${MACOSX_SDK} -Wl,-syslibroot,\${MACOSX_SDK}"
+	    EXTRA_CFLAGS=" -D\${ENVP} -isysroot \${MACOSX_SDK}"
+	    EXTRA_LDFLAGS=" -isysroot \${MACOSX_SDK} -Wl,-syslibroot,\${MACOSX_SDK}"
 	    echo "PATH = /bin:/usr/bin:/usr/local/bin" >> config.mak
         ;;
     i686-apple-darwin8)
-	    SDK_TARGET=10.3
+	    SDK_TARGET=10.4
 	    echo "SDK_TARGET = ${SDK_TARGET}" >> config.mak
 	    echo "HAVE_DARWIN_OS = 1" >> config.mak
 	    echo "ENVP = MACOSX_DEPLOYMENT_TARGET=${SDK_TARGET}" >> config.mak
-	    echo "MACOSX_SDK = /Developer/SDKs/MacOSX10.3.9.sdk" >> config.mak
+	    echo "MACOSX_SDK = /Developer/SDKs/MacOSX10.4u.sdk" >> config.mak
 	    CFLAGS_TUNING=" -march=pentium-m -mtune=prescott"
-	    #EXTRA_CFLAGS=" -D\${ENVP} -isysroot \${MACOSX_SDK}"
-	    #EXTRA_LDFLAGS=" -isysroot \${MACOSX_SDK} -Wl,-syslibroot,\${MACOSX_SDK}"
+	    EXTRA_CFLAGS=" -D\${ENVP} -isysroot \${MACOSX_SDK}"
+	    EXTRA_LDFLAGS=" -isysroot \${MACOSX_SDK} -Wl,-syslibroot,\${MACOSX_SDK}"
 	    echo "PATH = /bin:/usr/bin:/usr/local/bin" >> config.mak
         ;;
     i586-pc-beos)

extras/contrib/src/Patches/libpng-osx.patch

 diff -ruN libpng-1.2.12/scripts/makefile.darwin libpng/scripts/makefile.darwin
 --- libpng-1.2.12/scripts/makefile.darwin	2006-06-27 22:22:40.000000000 +0200
-+++ libpng/scripts/makefile.darwin	2006-07-27 12:07:18.000000000 +0200
++++ libpng/scripts/makefile.darwin	2006-12-08 18:15:36.000000000 +0100
 @@ -7,14 +7,14 @@
  # For conditions of distribution and use, see copyright notice in png.h
  
@@ -32,6 +32,15 @@ diff -ruN libpng-1.2.12/scripts/makefile.darwin libpng/scripts/makefile.darwin
  
  INCPATH=$(prefix)/include
  LIBPATH=$(exec_prefix)/lib
+@@ -72,7 +72,7 @@
+ .c.pic.o:
+ 	$(CC) -c $(CFLAGS) -fno-common -o $@ $*.c
+ 
+-all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
++all: libpng.a $(LIBSO) libpng.pc libpng-config
+ 
+ libpng.a: $(OBJS)
+ 	$(AR_RC) $@ $(OBJS)
 @@ -178,7 +178,7 @@
  	chmod 755 $(DB)/$(LIBNAME)-config
  	(cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)