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m4/lx_check_soplex.m4
author Peter Kovacs <kpeter@inf.elte.hu>
Fri, 17 Apr 2009 18:04:36 +0200
changeset 609 e6927fe719e6
parent 187 84c2a2e5cfee
child 539 547e966b3b29
permissions -rw-r--r--
Support >= and <= constraints in NetworkSimplex (#219, #234)

By default the same inequality constraints are supported as by
Circulation (the GEQ form), but the LEQ form can also be selected
using the problemType() function.

The documentation of the min. cost flow module is reworked and
extended with important notes and explanations about the different
variants of the problem and about the dual solution and optimality
conditions. 
     1 AC_DEFUN([LX_CHECK_SOPLEX],

     2 [

     3   AC_ARG_WITH([soplex],

     4 AS_HELP_STRING([--with-soplex@<:@=PREFIX@:>@], [search for SOPLEX under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])

     5 AS_HELP_STRING([--without-soplex], [disable checking for SOPLEX]),

     6               [], [with_soplex=yes])

     7 

     8   AC_ARG_WITH([soplex-includedir],

     9 AS_HELP_STRING([--with-soplex-includedir=DIR], [search for SOPLEX headers in DIR]),

    10               [], [with_soplex_includedir=no])

    11 

    12   AC_ARG_WITH([soplex-libdir],

    13 AS_HELP_STRING([--with-soplex-libdir=DIR], [search for SOPLEX libraries in DIR]),

    14               [], [with_soplex_libdir=no])

    15 

    16   lx_soplex_found=no

    17   if test x"$with_soplex" != x"no"; then

    18     AC_MSG_CHECKING([for SOPLEX])

    19 

    20     if test x"$with_soplex_includedir" != x"no"; then

    21       SOPLEX_CXXFLAGS="-I$with_soplex_includedir"

    22     elif test x"$with_soplex" != x"yes"; then

    23       SOPLEX_CXXFLAGS="-I$with_soplex/include"

    24     fi

    25 

    26     if test x"$with_soplex_libdir" != x"no"; then

    27       SOPLEX_LDFLAGS="-L$with_soplex_libdir"

    28     elif test x"$with_soplex" != x"yes"; then

    29       SOPLEX_LDFLAGS="-L$with_soplex/lib"

    30     fi

    31     SOPLEX_LIBS="-lsoplex -lz"

    32 

    33     lx_save_cxxflags="$CXXFLAGS"

    34     lx_save_ldflags="$LDFLAGS"

    35     lx_save_libs="$LIBS"

    36     CXXFLAGS="$SOPLEX_CXXFLAGS"

    37     LDFLAGS="$SOPLEX_LDFLAGS"

    38     LIBS="$SOPLEX_LIBS"

    39 

    40     lx_soplex_test_prog='

    41       #include <soplex/soplex.h>

    42 

    43       int main(int argc, char** argv)

    44       {

    45         soplex::SoPlex soplex;

    46         return 0;

    47       }'

    48 

    49     AC_LANG_PUSH(C++)

    50     AC_LINK_IFELSE([$lx_soplex_test_prog], [lx_soplex_found=yes], [lx_soplex_found=no])

    51     AC_LANG_POP(C++)

    52 

    53     CXXFLAGS="$lx_save_cxxflags"

    54     LDFLAGS="$lx_save_ldflags"

    55     LIBS="$lx_save_libs"

    56 

    57     if test x"$lx_soplex_found" = x"yes"; then

    58       AC_DEFINE([HAVE_SOPLEX], [1], [Define to 1 if you have SOPLEX.])

    59       lx_lp_found=yes

    60       AC_DEFINE([HAVE_LP], [1], [Define to 1 if you have any LP solver.])

    61       AC_MSG_RESULT([yes])

    62     else

    63       SOPLEX_CXXFLAGS=""

    64       SOPLEX_LDFLAGS=""

    65       SOPLEX_LIBS=""

    66       AC_MSG_RESULT([no])

    67     fi

    68   fi

    69   SOPLEX_LIBS="$SOPLEX_LDFLAGS $SOPLEX_LIBS"

    70   AC_SUBST(SOPLEX_CXXFLAGS)

    71   AC_SUBST(SOPLEX_LIBS)

    72   AM_CONDITIONAL([HAVE_SOPLEX], [test x"$lx_soplex_found" = x"yes"])

    73 ])
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