Re: Incomplete support of Darwin's -isysroot gcc option?

[Stéphane Corthésy]

Hi,

On Mar 6, 2006, at 00:07 , Peter O'Gorman wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Stéphane Corthésy wrote:
> | Hi,
> |
> | I think that I found a bug: when trying to compile some third-party
> | library (gpgme), with the latest libtool version (1.5.22; I replaced
> | gpgme's old libtool with 1.5.22) on MacOSX 10.4, trying to create a
> | static universal library (i.e. binary with 2 architectures, i386 and
> | ppc), I need to patch libtool to change its (system) library  
> search  paths.
> |
>
> It sounds like the -isysroot option is missing at link time?
>
> Do you see the option in the libtol command invocation? '/bin/sh ../ 
> libtool
> - -isysroot...'


Yes.

$ env CFLAGS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch i386 - 
arch ppc -I/usr/local/include" LDFLAGS="-L/usr/local/lib -lintl - 
framework CoreFoundation" ./configure --disable-shared --disable- 
dependency-tracking --with-gpg-error-prefix=/usr/local --with-gpg=/ 
usr/local/bin/gpg --without-pth
make
...
/bin/sh ../../libtool --tag=CC --mode=link gcc  -isysroot /Developer/ 
SDKs/MacOSX10.4u.sdk -arch i386 -arch ppc -I/usr/local/include -Wall - 
Wcast-align -Wshadow -Wstrict-prototypes  -L/usr/local/lib -lintl - 
framework CoreFoundation -o t-encrypt  t-encrypt.o ../../gpgme/ 
libgpgme.la
mkdir .libs
gcc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch i386 -arch ppc -I/ 
usr/local/include -Wall -Wcast-align -Wshadow -Wstrict-prototypes - 
framework CoreFoundation -o t-encrypt t-encrypt.o  -L/usr/local/ 
lib ../../gpgme/.libs/libgpgme.a /usr/local/lib/libgpg-error.a /usr/ 
local/lib/libintl.a /usr/lib/libiconv.dylib -lc
/usr/bin/ld: for architecture i386
/usr/bin/ld: warning /usr/lib/libiconv.dylib cputype (18,  
architecture ppc) does not match cputype (7) for specified -arch  
flag: i386 (file not loaded)
/usr/bin/ld: Undefined symbols:
_libiconv
_libiconv_close
_libiconv_open
_libiconv_set_relocation_prefix
collect2: ld returned 1 exit status
/usr/bin/ld: for architecture ppc
/usr/bin/ld: warning multiple definitions of symbol _locale_charset
/usr/local/lib/libintl.a(localcharset.o) definition of  
_locale_charset in section (__TEXT,__text)
/usr/lib/libiconv.dylib(localcharset.o) definition of _locale_charset
lipo: can't open input file: /var/tmp//ccShi6kz.out (No such file or  
directory)
make[3]: *** [t-encrypt] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2




> What variable did you put the -isysroot option in at configure  
> time? CFLAGS?
> CXXFLAGS? If the project does not use these variables at link time  
> (automake
> does, hand crafter Makefile.in's might not), you also have to put the
> - -isysroot -arch stuff into a variable that is used at link time  
> (LDFLAGS?).


isysroot is passed, but not used everywhere it should, I think.

Stéphane


> Peter
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.0 (Darwin)
>
> iQCVAwUBRAtvRriDAg3OZTLPAQLulgQArFQMOuNndjJIUPJiz8eKsLNYedAeUBf3
> Wre74emH4zq91urnRt/wZTDxNRTHGQAR+oC8XFcWy3woDP5wWAsxPh1Scdpe3HqA
> xOba0BlgCcvnCpUtsaqecPGpdE08sQ3vJUkcBv2K6gY2gUDz4O7ssYXZSzREv6Tu
> 9dff5KLxs8c=
> =0h/c
> -----END PGP SIGNATURE-----