Compiling for all OS X versions
Compiling for all OS X versions
- Subject: Compiling for all OS X versions
- From: email@hidden
- Date: Wed, 28 Jan 2009 10:23:34 +0100
Hi all,
I am trying to compile C sources on a MacBook with Mac OS X 10.5.6 and
"XCode 3.0 Developer Tools for Mac OS X v10.5 Leopard" from the
original MacBook installation media as well as "Mac OS X v10.3.9
Support" from the same source installed.
1.
To compile Intel binaries from the makefiles on the 10.5.6 MacBook I
use:
CC=gcc
CFLAGS=
LDFLAGS=
The results are as expected and the binaries can be launched on Intel
Macs.
2.
To compile PPC binaries for Mac OS X 10.3.9 from the makefiles on the
10.5.6 MacBook I use:
CC=gcc-3.3
CFLAGS=-arch ppc
LDFLAGS=-arch ppc -macosx_version_min=10.3.9
I expect the result should run on PPC G3, G4, G5 Macs with 10.3.9 and
later installed, but:
Starting this binary on a G3 Mac with 10.4.11 installed results in:
dyld: lazy symbol binding failed: Symbol not found: _getopt$UNIX2003
Referenced from: /tmp/testapp
Expected in: /usr/lib/libSystem.B.dylib
dyld: Symbol not found: _getopt$UNIX2003
Referenced from: /tmp/testapp
Expected in: /usr/lib/libSystem.B.dylib
Starting this binary on a G4 Mac with 10.3.9 installed results in:
dyld: /tmp/testapp Undefined symbols:
/tmp/testapp undefined reference to ___stderrp expected to be defined
in /usr/lib/libSystem.B.dylib
Trace/BPT trap
3.
Compiling the same makefile from 2. on a G3 Mac OS X 10.4.11 produces
binaries which can be run on PPC G3, G4 and G5 as expected.
What am I doing wrong in approach 2?
What does the dyld messages mean?
What do I need to do in order to compile on the Intel 10.5.6 machine
for all PPC processors and Mac OS X versions 10.3.9 and 10.4.11?
Thanks for your help,
Uwe
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