Hi,
I ran into one problem worth mentioning while recompiling gtk and its
dependencies as universal libraries using macports: the pango port
refused to build with +universal (it fails when trying to merge the
i386 x86_64 libs). The pango-devel port does work with one small
tweak as described at https://trac.macports.org/ticket/22801.
Essentially, I had to comment out the PortGroup muniversal 1.0 line
in the Portfile to get a working universal library for pango.
-Sudish
On Mon, Jun 21, 2010 at 5:09 AM, Giuseppe Luigi Punzi
glpu...@lordzealon.com wrote:
I died in more dependencies. One, ige-mac-integration. To avoid possible
problems I uninstall all ports last night to reinstall full gtk2 with quartz.
For now, i'm solving all of this and I hope to get it working this night.
Sudish Joseph sud...@gmail.com wrote:
Antoine Latter aslat...@gmail.com writes:
On Sun, Jun 20, 2010 at 12:53 PM, Giuseppe Luigi Punzi Ruiz
glpu...@lordzealon.com wrote:
Hi again,
Yes, you are right, but now, cabal install leksah I get:
[...]
Undefined symbols:
_iconv_close, referenced from:
_hs_iconv_close in libHSbase-4.2.0.0.a(iconv.o)
_iconv_open, referenced from:
_hs_iconv_open in libHSbase-4.2.0.0.a(iconv.o)
_iconv, referenced from:
_hs_iconv in libHSbase-4.2.0.0.a(iconv.o)
ld: symbol(s) not found
This one is a bummer, and I see it all the time when I try to build a
package linked against macports.
This is caused by the two libiconv's in the system being
ABI-incompatible, sadly. The ghc pkg available for download from
haskell.org is linked against the system /usr/lib/libiconv.dynlib, which
has iconv_open() as a function. Macports has GNU libiconv which
#defines iconv_open to libiconv_open() in /opt/local/include/iconv.h.
This then blows up as above when linking against other libraries in
macports - the linker pulls in GNU libiconv which lacks the symbols
needed as you see above.
One workaround is to link GHC itself against the macports version of
libiconv (and libgmp) and have cabal-install link all subsequent
libraries against macports. I did just that this weekend and now have a
working threadscope using the Quartz backend for gtk2, which is very
nice (no need to run the X server).
Recipe for reproducing this build is included below (and I can also
provide the resulting ghc-6.12.3 pkg file if needed).
Another possible option is to use Homebrew to install gtk2 and other
dependencies. Homebrew prefers to use the system-provided libraries and
will not pull in GNU libiconv, so this should work with the existing GHC
pkg in theory. I didn't pursue this since the homebrew 'gtk+' package
didn't seem to have the option to use Quartz instead of X11 as its
backend.
Steps for linking the ghc runtime against macports:
- Specify EXTRA_CABAL_CONFIGURE_FLAGS in mk/build.mk as mentioned at
the bottom of http://www.haskell.org/ghc/download_ghc_6_12_3.html
EXTRA_CABAL_CONFIGURE_FLAGS = --extra-include-dirs=/opt/local/include \
--extra-lib-dirs=/opt/local/lib
- Use the --with-iconv-* and --with-gmp-* flags when configuring ghc.
./configure --with-iconv-includes=/opt/local/include \
--with-iconv-libraries=/opt/local/lib \
--with-gmp-includes=/opt/local/include \
--with-gmp-libraries=/opt/local/lib
- This produces a GHC runtime and libraries linked against macports:
% otool -L ghc
ghc:
/opt/local/lib/libncurses.5.dylib (compatibility version 5.0.0,
current version 5.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 125.2.0)
/opt/local/lib/libiconv.2.dylib (compatibility version 8.0.0, current
version 8.0.0)
/opt/local/lib/libgmp.10.dylib (compatibility version 11.0.0, current
version 11.1.0)
% nm HSbase-4.2.0.2.o | fgrep iconv
001ff7f0 T _hs_iconv
001ff7e0 T _hs_iconv_close
001ff800 T _hs_iconv_open
U _libiconv
U _libiconv_close
U _libiconv_open
ghc and included libraries use the macports libiconv, so linking
against other libraries in macports (gtk2!) will work.
- Have cabal-install use macports as well for packages it installs by
editing ~/.cabal/config and setting:
extra-include-dirs: /opt/local/include
extra-lib-dirs: /opt/local/lib
- This gives, for e.g., threadscope linked against macports:
% otool -L ~/.cabal/bin/threadscope | egrep '(gtk|iconv)'
/opt/local/lib/libgtk-quartz-2.0.0.dylib (compatibility version
2001.0.0, current version 2001.1.0)
/opt/local/lib/libiconv.2.dylib (compatibility version 8.0.0, current
version 8.0.0)
- Note that since the ghc runtime is still in 32-bit i386 mode, we
need universal versions of most libraries in macports. Recent
versions of macports (1.9 for sure, maybe 1.8) make it simple to
switch from an x86_64 library to a universal one:
% port install gtk2 +universal