1 AC_DEFUN([LX_CHECK_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]),
 
     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])
 
    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])
 
    17   if test x"$with_cplex" != x"no"; then
 
    18     AC_MSG_CHECKING([for CPLEX])
 
    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"
 
    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"
 
    35     CPLEX_LIBS="-lcplex -lm -lpthread"
 
    37     lx_save_cxxflags="$CXXFLAGS"
 
    38     lx_save_ldflags="$LDFLAGS"
 
    40     CXXFLAGS="$CPLEX_CFLAGS"
 
    41     LDFLAGS="$CPLEX_LDFLAGS"
 
    46       #include <ilcplex/cplex.h>
 
    49       int main(int argc, char* argv[])
 
    56     AC_LINK_IFELSE([$lx_cplex_test_prog], [lx_cplex_found=yes], [lx_cplex_found=no])
 
    59     CXXFLAGS="$lx_save_cxxflags"
 
    60     LDFLAGS="$lx_save_ldflags"
 
    63     if test x"$lx_cplex_found" = x"yes"; then
 
    64       AC_DEFINE([HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])
 
    73   CPLEX_LIBS="$CPLEX_LDFLAGS $CPLEX_LIBS"
 
    74   AC_SUBST(CPLEX_CFLAGS)
 
    76   AM_CONDITIONAL([HAVE_CPLEX], [test x"$lx_cplex_found" = x"yes"])