Re: [bug-gettext] Building gettext-0.18.3.2 for G4 processor fails in unsetenv.c

[Peter Dyballa]

Am 06.05.2014 um 08:21 schrieb Daiki Ueno:

> Peter Dyballa <address@hidden> writes:
> 
>>      time env LANG=C 
>> PATH=/Developer45/usr/bin:/usr/local/texlive/2013/bin/x86_64-darwin:$PATH 
>> ./configure --target=ppc-apple-darwin10.8.0 --build=i686-apple-darwin10.8.0 
>> --prefix=.../wp2latex.3.65/build --libdir=.../wp2latex.3.65/build/lib-G4 
>> --enable-shared=no --disable-csharp --disable-openmp --disable-acl 
>> --disable-libasprintf --disable-rpath --with-pic 
>> CPPFLAGS="-I.../wp2latex.3.65/build/include" CFLAGS="-arch ppc -isysroot 
>> /Developer45/SDKs/MacOSX10.4u.sdk -mmacosx-version-min=10.4 -mcpu=G4 -m32 -H 
>> -pipe -fPIC -fast -mtune=G4 -mpowerpc-gfxopt -faltivec -maltivec 
>> -mabi=altivec -pthread -finline-functions" LDFLAGS="-arch ppc 
>> -Wl,-dead_strip_dylibs -Wl,-bind_at_load -Wl,-t" CC=gcc-4.0 CPP=cpp-4.0 
>> CXX=g++-4.0 CXXCPP="g++-4.0 -E" LD=gcc-4.0 OBJDUMP=gobjdump
> 
> I'm totally unfamiliar with the cross compiling on Mac OS X, but is the
> above supposed to work?

Yes! The Apple augmented GCC is invoked N times to produce N different object 
files. The the Apple tool lipo is used to stitch the N object files to one big 
fat object file. And also to build one big fat library from N platform related 
libraries. This works with libiconv or libunistring, and I also produce the 
WP2LaTeX Mac binaries this way.

> 
> Are you able to check what is happening there by writing some small test
> programs?  For example, similar to the one used in the configure script:
> 
> $ cat >test-unsetenv.c <<EOF
> #undef _BSD
> #define _BSD 1 /* unhide unsetenv declaration in OSF/1 5.1 <stdlib.h> */
> #include <stdlib.h>
> extern
> #ifdef __cplusplus
> "C"
> #endif
> int unsetenv (const char *name);
> EOF
> 
> $ gcc ...ppc64 CFLAGS... -c test-unsetenv.c

I almost forgot my skills of a C programmer, but I still can compile C or C++ 
source files (better than ever).

There is also the opportunity to compile the test files on my PowerBook G4 
(with a Motorola/Freescale PowerPC 7447A processor). Then we could find whether 
the SDKs for cross-compilation are OK or not.

--
Greetings

  Pete

A blizzard is when it snows sideways.