1.1 --- a/m4/lx_check_glpk.m4	Fri Nov 13 12:33:33 2009 +0100
     1.2 +++ b/m4/lx_check_glpk.m4	Thu Dec 10 17:05:35 2009 +0100
     1.3 @@ -42,6 +42,11 @@
     1.4        #include <glpk.h>
     1.5        }
     1.6  
     1.7 +      #if (GLP_MAJOR_VERSION < 4) \
     1.8 +         || (GLP_MAJOR_VERSION == 4 && GLP_MINOR_VERSION < 33)
     1.9 +      #error Supported GLPK versions: 4.33 or above
    1.10 +      #endif
    1.11 +
    1.12        int main(int argc, char** argv)
    1.13        {
    1.14          LPX *lp;
    1.15 @@ -60,6 +65,10 @@
    1.16  
    1.17      if test x"$lx_glpk_found" = x"yes"; then
    1.18        AC_DEFINE([LEMON_HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
    1.19 +      lx_lp_found=yes
    1.20 +      AC_DEFINE([LEMON_HAVE_LP], [1], [Define to 1 if you have any LP solver.])
    1.21 +      lx_mip_found=yes
    1.22 +      AC_DEFINE([LEMON_HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])
    1.23        AC_MSG_RESULT([yes])
    1.24      else
    1.25        GLPK_CFLAGS=""