CGAL users discussion list

[Sylvain Pion <>]

Gamal Akabani a écrit :
> Dear All,
>
> I am installing CGAL on MacOS 10.4.9 using i386_Darwin-8.9 gcc compiler 
> GNU 4.0.1.
> I installed boost and all is well. However, I compiled the libraries and 
> I got a small problem at the end of the creation of the last library as 
> follows where libCGALCore shared failed to build as shared library. I 
> thank anyone that can help me understand this problem.
>
> ...
>
> /usr/bin/g++  -fno-common -O2 -Wall -frounding-math 
> '-I/Volumes/Uranium/Codes/CGAL-3.3/include/CGAL/config/i386_Darwin-8.9_g++-4.0.1' 
> '-I/Volumes/Uranium/Codes/CGAL-3.3/include' 
> -I/usr/local/include/boost-1_34 -I/usr/X11R6/include -DCGAL_USE_F2C     
> -c GmpIO.cpp/usr/bin/g++ -dynamiclib -install_name 
> '/Volumes/Uranium/Codes/CGAL-3.3/lib/i386_Darwin-8.9_g++-4.0.1'/libCGALcore++.dylib 
> -o ''libCGALcore++.dylib \  CoreAux.o extLong.o CoreDefs.o CoreIO.o 
> BigFloat.o Real.o Expr.o GmpIO.o \  
> '-L/Volumes/Uranium/Codes/CGAL-3.3/lib/i386_Darwin-8.9_g++-4.0.1' 
> -L/usr/local/lib    -lgmp   -lmpfr ld: common symbols not allowed with 
> MH_DYLIB output format with the -multi_module 
> option/usr/local/lib/libgmp.a(mp_bpl.o) definition of common ___gmp_junk 
> (size 16)/usr/bin/libtool: internal link edit command failedmake: *** 
> [libCGALcore++.dylib] Error 1make: Target `shared_lib' not remade 
> because of errors.

As Laurent said, it's a bad GMP install (admittedly, the default GMP
install does not work well on macosx).

The recommended/simplest way is to use fink to install the packages:
gmp, mpfr, boost, qt3mac.  Then install_cgal should find these
automatically.

--
Sylvain Pion
INRIA Sophia-Antipolis
Geometrica Project-Team
CGAL, http://cgal.org/