Hi William,
Yes, those flags are being dropped somehow, I
didn't know it was libtool. I had a suspicion that the instructions
for specifying the environment variables was somehow redundant, since
it didn't appear in the Makefile, even though makefile.cfg attempts to
reference these variables for inclusion in the Makefile.
In the end I just had to edit the Makefile manually to get it to work.
Some of the patches that I applied helped to create the dynamic
libraries. The original 6b sources somehow only kept generating the
static versions of these libraries.
As to why I didn't use your pre-built frameworks, well, it is because
later on, I want to try to port it to a real-time OS, such as VxWorks
or GreenHills Integrity with X11. Hence, I was to see what kind of
problems I'll run into and learn it on the Mac X11 environment, and
sort of prepare myself for the real-time OS environment.
Best regards,
Elvis Dowson
On Oct 1, 2008, at 1:43 AM, William Kyngesburye wrote:
I have libjpeg build instructions that take care of 32+64 bits. And
my UnixImageIO framework includes libjpeg 32+64bits. There's
actually nothing wrong in the source for 64bit support (that version
you sent seems to be newer than I thought was available, but none of
the new code looks like it has anything to do with 64bit fixes),
it's just the configuration and compilation that needs a little help.
The main problem is that the libtool included is so old (v1.3.5), it
doesn't understand the OSX -arch flags. And it's too old to
*easily* update libtool, though some autotools whiz probably could.
I'm actually surprised this works for you - libtool 1.3.5 should
quietly drop those arch flags during compilation (or complain). My
build instructions use a different approach, using a custom gcc
wrapper to fool libtool into not seeing the flags. Though I have
been considering a custom makefile, which should be easy enough, so
I don't have to depend on the gcc wrapper.
On Sep 30, 2008, at 3:58 PM, Elvis Dowson wrote:
In order to build it , open a terminal window and type the
following commands:
MACOSX_DEPLOYMENT_TARGET=10.5
CFLAGS="-O2 -I$(srcdir) -arch ppc -arch ppc64 -arch i386 -arch
x86_64 -g -Os -pipe -no-cppprecomp"
CCFLAGS="-arch ppc -arch ppc64 -arch i386 -arch x86_64 -g -Os -pipe"
CXXFLAGS="-arch ppc -arch ppc64 - arch i386 -arch x86_64 -g -Os -
pipe"
LDFLAGS="-arch ppc -arch ppc64 -arch i386 -arch x86_64 -bind_at_load"
./configure --enable-shared
Modify the following entries in the automatically generated Makefile
CFLAGS= -O2 -I$(srcdir) -arch ppc -arch ppc64 -arch i386 -arch
x86_64 -g -Os -pipe -no-cppprecomp
CCFLAGS= -arch ppc -arch ppc64 -arch i386 -arch x86_64 -g -Os -pipe
CXXFLAGS= -arch ppc -arch ppc64 - arch i386 -arch x86_64 -g -Os -pipe
LDFLAGS= -arch ppc -arch ppc64 -arch i386 -arch x86_64 -bind_at_load
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