64-bit support doesn't just exist in 10.6.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@216 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/BUILDING.txt b/BUILDING.txt
index afbf822..f66d7b0 100644
--- a/BUILDING.txt
+++ b/BUILDING.txt
@@ -14,9 +14,8 @@
-- NASM
* 0.98 or later is required for a 32-bit build
* NASM 2.05 or later is required for a 64-bit build
- * NASM 2.07 or later is required for a 64-bit build on OS/X (10.6 "Snow
- Leopard" or later.) This can be obtained from MacPorts
- (http://www.macports.org/).
+ * NASM 2.07 or later is required for a 64-bit build on OS/X. This can be
+ obtained from MacPorts (http://www.macports.org/).
The NASM 2.05 RPMs do not work on older Linux systems, such as Enterprise
Linux 4. On such systems, you can easily build and install NASM 2.05
@@ -122,7 +121,7 @@
Add
- --host x86_64-apple-darwin10.0.0 NASM=/opt/local/bin/nasm
+ --host x86_64-apple-darwin NASM=/opt/local/bin/nasm
to the configure command line. NASM 2.07 or later from MacPorts must be
installed.
@@ -138,11 +137,27 @@
to the configure command line.
-32-bit Backward-Compatible Library Build on 64-bit OS/X
+64-bit Backward-Compatible Library Build on 64-bit OS/X
-------------------------------------------------------
Add
+ --host x86_64-apple-darwin NASM=/opt/local/bin/nasm \
+ CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
+ -mmacosx-version-min=10.4 -O3' \
+ CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
+ -mmacosx-version-min=10.4 -O3' \
+ LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
+ -mmacosx-version-min=10.4'
+
+to the configure command line. The OS X 10.4 SDK must be installed.
+
+
+32-bit Backward-Compatible Library Build on OS/X
+------------------------------------------------
+
+Add
+
CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3 -m32' \
CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
@@ -293,11 +308,11 @@
make udmg
- On 64-bit OS X (10.6 "Snow Leopard" or later), this creates a version of the
- Macintosh package/disk image which contains universal i386/x86-64 binaries.
- The 32-bit fork of these binaries is backward compatible with OS X 10.4 and
- later, whereas the 64-bit fork is compatible with OS X 10.6 and later. OS X
- 10.4 compatibility SDK required.
+ On 64-bit OS X systems, this creates a version of the Macintosh package and
+ disk image which contains universal i386/x86-64 binaries. The 32-bit fork of
+ these binaries is backward compatible with OS X 10.4 and later. The 64-bit
+ fork can be made backward compatible as well by using the instructions in
+ the "Build Recipes" section. OS X 10.4 compatibility SDK required.
make nsi
