[Ipopt] Problems linking with gfortran libraries in Snow Leopard

Anil Rao anilvrao at gmail.com
Sat Oct 23 13:27:53 EDT 2010 

All,

I am having a very strange problem compiling IPOPT with a brand new
installation of Mac OS-X Snow Leopard using the following ./configure
command:

./configure --prefix=$HOME/Software/ipopt/install CXX=g++ CC=gcc
F77=gfortran ADD_CXXFLAGS="-m64" ADD_CCFLAGS="-m64" ADD_FFLAGS="-m64"
FLIBS="-lgfortran -lSystem -lg2c"--disable-shared

At the bottom of the output below you will see the error, "configure: error:
linking to Fortran libraries from C fails."  I have gfortran installed and
the gfortran libraries are in the directory /usr/local/lib.  I have compiled
IPOPT successfully in Snow Leopard many times at this point using the above
configure command and have not had a problem.  hen I tried adding
"-L/usr/local/lib" to my FLIBS, nothing changed (that is, I still received
the same error).

I would be grateful if somebody could tell me what may be the problem.

Anil Rao





./configure --prefix=$HOME/Software/ipopt/install CXX=g++ CC=gcc
F77=gfortran ADD_CXXFLAGS="-m64" ADD_CCFLAGS="-m64" ADD_FFLAGS="-m64"
FLIBS="-L/usr/local/lib -lgfortran -lSystem -lg2c"--disable-shared
checking build system type... i386-apple-darwin10.4.0
checking whether we want to compile in debug mode... no
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
configure: C compiler options are: -O3 -fomit-frame-pointer -pipe -DNDEBUG
-Wimplicit -Wparentheses -Wsequence-point -Wreturn-type -Wcast-qual -Wall
-Wno-unknown-pragmas
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking whether C++ compiler g++ works... yes
configure: C++ compiler options are: -O3 -fomit-frame-pointer -pipe -DNDEBUG
-Wimplicit -Wparentheses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith
-Wwrite-strings -Wconversion -Wno-unknown-pragmas -m64
configure: Trying to determine Fortran compiler name
checking for xlf_r... gfortran
checking whether we are using the GNU Fortran 77 compiler... yes
checking whether gfortran accepts -g... yes
configure: Fortran compiler options are: -O3 -fomit-frame-pointer -pipe
-m64
checking for egrep... grep -E
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking dependency style of g++... gcc3
checking whether to enable maintainer-specific portions of Makefiles... no
checking host system type... i386-apple-darwin10.4.0
checking for a sed that does not truncate output... /usr/bin/sed
checking for ld used by gcc... /usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld
checking if the linker (/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) is
GNU ld... no
checking for /usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld option to reload
object files... -r
checking for BSD-compatible nm... /usr/bin/nm
checking whether ln -s works... yes
checking how to recognise dependent libraries... pass_all
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... yes
checking dlfcn.h presence... yes
checking for dlfcn.h... yes
checking how to run the C++ preprocessor... g++ -E
checking the maximum length of command line arguments... 196608
checking command to parse /usr/bin/nm output from gcc object... ok
checking for objdir... .libs
checking for ar... ar
checking for ranlib... ranlib
checking for strip... strip
checking if gcc supports -fno-rtti -fno-exceptions... no
checking for gcc option to produce PIC... -fno-common
checking if gcc PIC flag -fno-common works... yes
checking if gcc static flag -static works... no
checking if gcc supports -c -o file.o... yes
checking whether the gcc linker
(/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) supports shared libraries...
yes
checking dynamic linker characteristics... darwin10.4.0 dyld
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by g++... /usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld
checking if the linker (/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) is
GNU ld... no
checking whether the g++ linker
(/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) supports shared libraries...
yes
checking for g++ option to produce PIC... -fno-common
checking if g++ PIC flag -fno-common works... yes
checking if g++ static flag -static works... no
checking if g++ supports -c -o file.o... yes
checking whether the g++ linker
(/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) supports shared libraries...
yes
checking dynamic linker characteristics... darwin10.4.0 dyld
checking how to hardcode library paths into programs... immediate
appending configuration tag "F77" to libtool
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking for gfortran option to produce PIC... -fno-common
checking if gfortran PIC flag -fno-common works... yes
checking if gfortran static flag -static works... no
checking if gfortran supports -c -o file.o... yes
checking whether the gfortran linker
(/usr/libexec/gcc/i686-apple-darwin10/4.0.1/ld) supports shared libraries...
yes
checking dynamic linker characteristics... darwin10.4.0 dyld
checking how to hardcode library paths into programs... immediate
configure: Build is "i386-apple-darwin10.4.0".
configure: Applying patches to libtool for Darwin
checking whether code for third party package Blas is available... yes
checking whether code for third party package Lapack is available... yes
checking whether code for third party package Metis is available... yes
checking whether code for third party package HSL is available... yes
checking whether code for third party package ASL is available... yes
checking whether code for third party package Mumps is available... no
checking whether directory Ipopt is available... yes
checking which command should be used to link input files... ln -s
configure: creating ./config.status
config.status: creating Makefile
config.status: executing depfiles commands
configure: configuring in ThirdParty/Blas
configure: running /bin/sh './configure'
--prefix=/Users/anilvrao/Software/ipopt/install
'--prefix=/Users/anilvrao/Software/ipopt/install' 'CXX=g++' 'CC=gcc'
'F77=gfortran' 'ADD_CXXFLAGS=-m64' 'ADD_CCFLAGS=-m64' 'ADD_FFLAGS=-m64'
'FLIBS=-L/usr/local/lib -lgfortran -lSystem -lg2c--disable-shared'
--cache-file=/dev/null --srcdir=.
checking build system type... i386-apple-darwin10.4.0
checking whether we want to compile in debug mode... no
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
configure: C compiler options are: -O3 -fomit-frame-pointer -pipe -DNDEBUG
-Wimplicit -Wparentheses -Wsequence-point -Wreturn-type -Wcast-qual -Wall
-Wno-unknown-pragmas
configure: Trying to determine Fortran compiler name
checking for xlf_r... gfortran
checking whether we are using the GNU Fortran 77 compiler... yes
checking whether gfortran accepts -g... yes
configure: Fortran compiler options are: -O3 -fomit-frame-pointer -pipe
-m64
checking for egrep... grep -E
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking whether to enable maintainer-specific portions of Makefiles... no
configure: Using libtool script in directory ../..
checking how to get verbose linking output from gfortran... -v
checking for Fortran libraries of gfortran... -L/usr/local/lib -lgfortran
-lSystem -lg2c--disable-shared
checking for dummy main to link with Fortran libraries... unknown
configure: error: linking to Fortran libraries from C fails
See `config.log' for more details.
configure: error: /bin/sh './configure' failed for ThirdParty/Blas


-- 
Anil V. Rao
Assistant Professor
Dept. of Mechanical and Aerospace Engineering
University of Florida
MAE-A Room 314
Gainesville, FL 32611-6250
E-mail:  anilvrao at ufl.edu
Tel: (352) 392-5523 (office)
      (352) 672-1529 (cell)
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