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AC_DEFUN([LX_CHECK_CPLEX],
[
AC_ARG_WITH([cplex],
AS_HELP_STRING([--with-cplex@<:@=PREFIX@:>@], [search for CPLEX under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
AS_HELP_STRING([--without-cplex], [disable checking for CPLEX]),
[], [with_cplex=yes])
AC_ARG_WITH([cplex-includedir],
AS_HELP_STRING([--with-cplex-includedir=DIR], [search for CPLEX headers in DIR]),
[], [with_cplex_includedir=no])
AC_ARG_WITH([cplex-libdir],
AS_HELP_STRING([--with-cplex-libdir=DIR], [search for CPLEX libraries in DIR]),
[], [with_cplex_libdir=no])
lx_cplex_found=no
if test x"$with_cplex" != x"no"; then
AC_MSG_CHECKING([for CPLEX])
if test x"$with_cplex_includedir" != x"no"; then
CPLEX_CFLAGS="-I$with_cplex_includedir"
elif test x"$with_cplex" != x"yes"; then
CPLEX_CFLAGS="-I$with_cplex/include"
elif test x"$CPLEX_INCLUDEDIR" != x; then
CPLEX_CFLAGS="-I$CPLEX_INCLUDEDIR"
fi
if test x"$with_cplex_libdir" != x"no"; then
CPLEX_LDFLAGS="-L$with_cplex_libdir"
elif test x"$with_cplex" != x"yes"; then
CPLEX_LDFLAGS="-L$with_cplex/lib"
elif test x"$CPLEX_LIBDIR" != x; then
CPLEX_LDFLAGS="-L$CPLEX_LIBDIR"
fi
CPLEX_LIBS="-lcplex -lm -lpthread"
lx_save_cxxflags="$CXXFLAGS"
lx_save_ldflags="$LDFLAGS"
lx_save_libs="$LIBS"
CXXFLAGS="$CPLEX_CFLAGS"
LDFLAGS="$CPLEX_LDFLAGS"
LIBS="$CPLEX_LIBS"
lx_cplex_test_prog='
extern "C" {
#include <ilcplex/cplex.h>
}
int main(int argc, char** argv)
{
CPXENVptr env = NULL;
return 0;
}'
AC_LANG_PUSH(C++)
AC_LINK_IFELSE([$lx_cplex_test_prog], [lx_cplex_found=yes], [lx_cplex_found=no])
AC_LANG_POP(C++)
CXXFLAGS="$lx_save_cxxflags"
LDFLAGS="$lx_save_ldflags"
LIBS="$lx_save_libs"
if test x"$lx_cplex_found" = x"yes"; then
AC_DEFINE([LEMON_HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])
lx_lp_found=yes
AC_DEFINE([LEMON_HAVE_LP], [1], [Define to 1 if you have any LP solver.])
lx_mip_found=yes
AC_DEFINE([LEMON_HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])
AC_MSG_RESULT([yes])
else
CPLEX_CFLAGS=""
CPLEX_LDFLAGS=""
CPLEX_LIBS=""
AC_MSG_RESULT([no])
fi
fi
CPLEX_LIBS="$CPLEX_LDFLAGS $CPLEX_LIBS"
AC_SUBST(CPLEX_CFLAGS)
AC_SUBST(CPLEX_LIBS)
AM_CONDITIONAL([HAVE_CPLEX], [test x"$lx_cplex_found" = x"yes"])
])
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