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m4/lx_check_cplex.m4
author Balazs Dezso <deba@inf.elte.hu>
Thu, 24 Jun 2010 09:27:53 +0200
changeset 732 bb70ad62c95f
parent 457 69928a704ffb
parent 621 8a144437db7d
permissions -rw-r--r--
Fix critical bug in preflow (#372)

The wrong transition between the bound decrease and highest active
heuristics caused the bug. The last node chosen in bound decrease mode
is used in the first iteration in highest active mode. 
     1 AC_DEFUN([LX_CHECK_CPLEX],

     2 [

     3   AC_ARG_WITH([cplex],

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

     5 AS_HELP_STRING([--without-cplex], [disable checking for CPLEX]),

     6               [], [with_cplex=yes])

     7 

     8   AC_ARG_WITH([cplex-includedir],

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

    10               [], [with_cplex_includedir=no])

    11 

    12   AC_ARG_WITH([cplex-libdir],

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

    14               [], [with_cplex_libdir=no])

    15 

    16   lx_cplex_found=no

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

    18     AC_MSG_CHECKING([for CPLEX])

    19 

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

    21       CPLEX_CFLAGS="-I$with_cplex_includedir"

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

    23       CPLEX_CFLAGS="-I$with_cplex/include"

    24     elif test x"$CPLEX_INCLUDEDIR" != x; then

    25       CPLEX_CFLAGS="-I$CPLEX_INCLUDEDIR"

    26     fi

    27 

    28     if test x"$with_cplex_libdir" != x"no"; then

    29       CPLEX_LDFLAGS="-L$with_cplex_libdir"

    30     elif test x"$with_cplex" != x"yes"; then

    31       CPLEX_LDFLAGS="-L$with_cplex/lib"

    32     elif test x"$CPLEX_LIBDIR" != x; then

    33       CPLEX_LDFLAGS="-L$CPLEX_LIBDIR"

    34     fi

    35     CPLEX_LIBS="-lcplex -lm -lpthread"

    36 

    37     lx_save_cxxflags="$CXXFLAGS"

    38     lx_save_ldflags="$LDFLAGS"

    39     lx_save_libs="$LIBS"

    40     CXXFLAGS="$CPLEX_CFLAGS"

    41     LDFLAGS="$CPLEX_LDFLAGS"

    42     LIBS="$CPLEX_LIBS"

    43 

    44     lx_cplex_test_prog='

    45       extern "C" {

    46       #include <ilcplex/cplex.h>

    47       }

    48 

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

    50       {

    51         CPXENVptr env = NULL;

    52         return 0;

    53       }'

    54 

    55     AC_LANG_PUSH(C++)

    56     AC_LINK_IFELSE([$lx_cplex_test_prog], [lx_cplex_found=yes], [lx_cplex_found=no])

    57     AC_LANG_POP(C++)

    58 

    59     CXXFLAGS="$lx_save_cxxflags"

    60     LDFLAGS="$lx_save_ldflags"

    61     LIBS="$lx_save_libs"

    62 

    63     if test x"$lx_cplex_found" = x"yes"; then

    64       AC_DEFINE([LEMON_HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])

    65       lx_lp_found=yes

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

    67       lx_mip_found=yes

    68       AC_DEFINE([LEMON_HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])

    69       AC_MSG_RESULT([yes])

    70     else

    71       CPLEX_CFLAGS=""

    72       CPLEX_LDFLAGS=""

    73       CPLEX_LIBS=""

    74       AC_MSG_RESULT([no])

    75     fi

    76   fi

    77   CPLEX_LIBS="$CPLEX_LDFLAGS $CPLEX_LIBS"

    78   AC_SUBST(CPLEX_CFLAGS)

    79   AC_SUBST(CPLEX_LIBS)

    80   AM_CONDITIONAL([HAVE_CPLEX], [test x"$lx_cplex_found" = x"yes"])

    81 ])
lemon-1.1