changeset 7588:a287f6a0d46d

8008451: Make mac builds on 10.8 work on 10.7 Reviewed-by: ohair, ddehaven
author erikj
date Thu, 21 Feb 2013 14:16:15 +0100
parents 5a1ea5bbe10a
children 5d27f8702118
files make/common/Defs-macosx.gmk
diffstat 1 files changed, 10 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/make/common/Defs-macosx.gmk	Thu Feb 21 14:14:59 2013 +0100
+++ b/make/common/Defs-macosx.gmk	Thu Feb 21 14:16:15 2013 +0100
@@ -406,10 +406,16 @@
 
 LIB_LOCATION ?= $(LIBDIR)
 
-# Adding these macros will make it an error to link to mac APIs newer than OS version 10.7
-ifeq ($(MACOSX_REQUIRED_VERSION),)
-  MACOSX_REQUIRED_VERSION:=1070
+# Setting these parameters makes it an error to link to macosx APIs that are 
+# newer than the given OS version and makes the linked binaries compatible even
+# if built on a newer version of the OS.
+# The expected format is X.Y.Z
+ifeq ($(MACOSX_VERSION_MIN),)
+  MACOSX_VERSION_MIN=10.7.0
 endif
-MACOSX_OS_VERSION_CFLAGS := -DMAC_OS_X_VERSION_MAX_ALLOWED=$(MACOSX_REQUIRED_VERSION) -DMAC_OS_X_VERSION_MIN_REQUIRED=$(MACOSX_REQUIRED_VERSION)
+# The macro takes the version with no dots, ex: 1070
+MACOSX_OS_VERSION_CFLAGS := -DMAC_OS_X_VERSION_MAX_ALLOWED=$(subst .,,$(MACOSX_VERSION_MIN)) \
+			    -mmacosx-version-min=$(MACOSX_VERSION_MIN)
 OTHER_CFLAGS += $(MACOSX_OS_VERSION_CFLAGS)
 OTHER_CXXFLAGS += $(MACOSX_OS_VERSION_CFLAGS)
+OTHER_LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)