# HG changeset patch
# User ladanyi
# Date 1114186812 0
# Node ID cb2891afe526cc3db01706fe236126bbabbb3e8e
# Parent  96a34c0904dda918eff54d41ef410514a22fae54
added check for CLPEX

diff -r 96a34c0904dd -r cb2891afe526 config/lp.m4
--- a/config/lp.m4	Thu Apr 21 15:15:12 2005 +0000
+++ b/config/lp.m4	Fri Apr 22 16:20:12 2005 +0000
@@ -69,3 +69,74 @@
   AC_SUBST(GLPK_LIBS)
   AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
 ])
+
+
+AC_DEFUN([LX_CHECK_CPLEX],
+[
+  AC_ARG_WITH([cplex],
+AS_HELP_STRING([--with-cplex@<:@=PREFIX@:>@], [search for CPLEX under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
+AS_HELP_STRING([--without-cplex], [disable checking for CPLEX]),
+              [], [with_cplex=yes])
+
+  AC_ARG_WITH([cplex-includedir],
+AS_HELP_STRING([--with-cplex-includedir=DIR], [search for CPLEX headers in DIR]),
+              [], [with_cplex_includedir=no])
+
+  AC_ARG_WITH([cplex-libdir],
+AS_HELP_STRING([--with-cplex-libdir=DIR], [search for CPLEX libraries in DIR]),
+              [], [with_cplex_libdir=no])
+
+  if test x"$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"
+    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"
+    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"$lx_cplex_found" = x"yes"; then
+      AC_DEFINE([HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])
+      AC_MSG_RESULT([yes])
+    else
+      AC_MSG_RESULT([no])
+    fi
+  fi
+  CPLEX_LIBS="$CPLEX_LDFLAGS $CPLEX_LIBS"
+  AC_SUBST(CPLEX_CFLAGS)
+  AC_SUBST(CPLEX_LIBS)
+  AM_CONDITIONAL([HAVE_CPLEX], [test x"$lx_cplex_found" = x"yes"])
+])
diff -r 96a34c0904dd -r cb2891afe526 configure.ac
--- a/configure.ac	Thu Apr 21 15:15:12 2005 +0000
+++ b/configure.ac	Fri Apr 22 16:20:12 2005 +0000
@@ -25,6 +25,7 @@
 
 dnl Checks for libraries.
 LX_CHECK_GLPK
+LX_CHECK_CPLEX
 
 LX_ENABLE_DOCS
 
@@ -66,6 +67,7 @@
 echo C++ compiles flags............ : $CXXFLAGS
 echo
 echo GLPK support.................. : $lx_glpk_found
+echo CPLEX support................. : $lx_cplex_found
 echo
 echo The packace will be installed in
 echo -n '  '