Readme.macosx

Comments pertaining to Mac OS/X users.

1) If compiling on Leopard (10.5.*), you may receive the error message

     undefined symbol: _strtod_ASL

   The problem is coming from the flags used to build the LibAmpl libraries.
   The solution is to add the flag

     -mmacosx-version-min=10.4

   to the compiler options and to rebuild LibAmpl, i.e., switch to $LIBAMPL and
   issue the command 'make mrclean ; make' at the command line.

2) If compiling on Snow Leopard (10.6.*), you may receive error messages
   related to the architecture being linked (and the build might fail).  One
   solution seems to be to set the environment variables CFLAGS, FFLAGS and
   LDFLAGS appropriately before building. For example:

     CFLAGS='-arch x86_64 -mmacosx-version-min=10.5' \
     FFLAGS='-arch x86_64 -mmacosx-version-min=10.5' \
     LDFLAGS='-arch x86_64 -Wall -undefined dynamic_lookup -bundle -mmacosx-version-min=10.5' \
     python setup.py build config_fc --fcompiler=gfortran

   (all on one line). See, e.g., http://goo.gl/LNaA

   Note that LibAmpl should have been built using the same flags.