configure.in.in

# -*- autoconf -*-
# 
#
AC_INIT(life, 0.1.90, christophe.prudhomme@epfl.ch)
LIFE_PACKAGE=life
LIFE_VERSION=0.1.90

PACKAGE=$LIFE_PACKAGE
VERSION=$LIFE_VERSION

AC_SUBST(LIFE_PACKAGE)
AC_SUBST(LIFE_VERSION)

AC_CONFIG_AUX_DIR(admin)

dnl What the current system and host
AC_CANONICAL_HOST
AC_CANONICAL_SYSTEM


AM_INIT_AUTOMAKE(${LIFE_PACKAGE}, ${LIFE_VERSION} )
AM_CONFIG_HEADER(lifeconfig.h)

# checks for a C compiler
AC_PROG_CC( gcc-3.3 gcc-3.2 gcc )
AC_PROG_CC_C_O
AC_PROG_CXX( g++-3.3 g++-3.2 g++ )
AC_PROG_F77( g77-3.3 g77-3.2 g77 )
AC_PROG_F77_C_O
AC_PROG_LIBTOOL

# doxygen
AC_CHECK_PROG(DOXYGEN, doxygen, [doxygen], [no-doxygen] )
AC_CHECK_PROG(LIFE_HAS_DOT, dot, [yes] )


dnl Check debugging mode for compilation.
AC_ARG_ENABLE(debug,
  AC_HELP_STRING([--enable-debug],[enables debugging mode (default=no)]),
  [
   if test $enableval = "no";
     then ac_use_debug_code="no"
     else ac_use_debug_code="yes"
   fi
  ], [ac_use_debug_code="no"])

AC_ARG_ENABLE(opt,
  AC_HELP_STRING([--enable-opt],[enables optimization mode (default=no)]),
  [
   if test $enableval = "no";
     then ac_use_opt_code="no"
     else ac_use_opt_code="yes"
   fi
  ], [ac_use_opt_code="no"])

if test $ac_use_debug_code = "yes" -a $ac_use_opt_code = "yes"
then
  AC_MSG_ERROR(Cannot use --enable-debug and --enable-opt at the same time!)
fi

if test $ac_use_debug_code = "yes"; then
 CXXFLAGS="-g3 -O0 -Wall"
 CFLAGS="-g3 -O0 -Wall"
else 
 if test $ac_use_opt_code = "yes"; then
  CXXFLAGS="-O2 -funroll-all-loops -fargument-noalias-global -fno-gcse -Wall"
  CFLAGS="-O2 -funroll-all-loops -fargument-noalias-global -fno-gcse -Wall"
  CPPFLAGS="-DNDEBUG"
 fi
fi

dnl
dnl checks for some scientific computing libraries
dnl 
dnl libm
AC_CHECK_LIB(m,cos,[LIBS="-lm ${LIBS}"],${LIBS})
dnl umfpack
# disable it for not since it is not used yet: need to check for "NO"
# AC_CHECK_UMFPACK(4.3.0) # at least umfpack 4.3
AM_CONDITIONAL(HAVE_UMFPACK, test "x$umfpack_libs" != "x" )

dnl aztec
AC_CHECK_AZTEC
dnl petsc
AC_CHECK_PETSC(2.1.6) #
AM_CONDITIONAL(HAVE_PETSC, test "x$petsc_libs" != "x" )

dnl parmetis
AC_CHECK_PARMETIS

all_includes="-I\$(top_srcdir)/life/lifecore -I\$(top_srcdir)/life/lifearray  -I\$(top_srcdir)/life/lifemesh -I\$(top_srcdir)/life/lifealg  -I\$(top_srcdir)/life/lifefem -I\$(top_srcdir)/life/lifesolver -I\$(top_srcdir)/life/lifefilters"
AC_SUBST(all_includes)

CPPFLAGS="-DTHREEDIM ${CPPFLAGS}"

CXXFLAGS="-Wall ${CXXFLAGS}"


life_libs="\$(top_builddir)/life/lifefilters/liblifefilters.la  \$(top_builddir)/life/lifefem/liblifefem.la \$(top_builddir)/life/lifealg/liblifealg.la \$(top_builddir)/life/lifemesh/liblifemesh.la \$(top_builddir)/life/lifearray/liblifearray.la \$(top_builddir)/life/lifecore/liblifecore.la"

#life_libs="\$(top_builddir)/life/lifefilters/liblifefilters.la  \$(top_builddir)/life/lifesolver/liblifesolver.la \$(top_builddir)/life/lifefem/liblifefem.la \$(top_builddir)/life/lifealg/liblifealg.la \$(top_builddir)/life/lifemesh/liblifemesh.la \$(top_builddir)/life/lifearray/liblifearray.la \$(top_builddir)/life/lifecore/liblifecore.la"

#life_libs="\$(top_builddir)/life/lifefilters/liblifefilters.la  \$(top_builddir)/life/lifefem/liblifefem.la \$(top_builddir)/life/lifealg/liblifealg.la \$(top_builddir)/life/lifearray/liblifearray.la \$(top_builddir)/life/lifemesh/liblifemesh.la \$(top_builddir)/life/lifecore/liblifecore.la"

AC_SUBST(life_libs)


#
# setting prefix
#  
prefix=${prefix:-"/usr"}
if test "x${prefix}" = "xNONE"; then
    prefix=/usr
fi