1 | AC_DEFUN([LX_CHECK_GLPK], |
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2 | [ |
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3 | AC_ARG_WITH([glpk], |
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4 | AS_HELP_STRING([--with-glpk@<:@=PREFIX@:>@], [search for GLPK under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@]) |
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5 | AS_HELP_STRING([--without-glpk], [disable checking for GLPK]), |
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6 | [], [with_glpk=yes]) |
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7 | |
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8 | AC_ARG_WITH([glpk-includedir], |
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9 | AS_HELP_STRING([--with-glpk-includedir=DIR], [search for GLPK headers in DIR]), |
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10 | [], [with_glpk_includedir=no]) |
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11 | |
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12 | AC_ARG_WITH([glpk-libdir], |
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13 | AS_HELP_STRING([--with-glpk-libdir=DIR], [search for GLPK libraries in DIR]), |
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14 | [], [with_glpk_libdir=no]) |
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15 | |
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16 | lx_glpk_found=no |
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17 | if test x"$with_glpk" != x"no"; then |
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18 | AC_MSG_CHECKING([for GLPK]) |
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19 | |
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20 | if test x"$with_glpk_includedir" != x"no"; then |
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21 | GLPK_CFLAGS="-I$with_glpk_includedir" |
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22 | elif test x"$with_glpk" != x"yes"; then |
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23 | GLPK_CFLAGS="-I$with_glpk/include" |
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24 | fi |
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25 | |
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26 | if test x"$with_glpk_libdir" != x"no"; then |
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27 | GLPK_LDFLAGS="-L$with_glpk_libdir" |
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28 | elif test x"$with_glpk" != x"yes"; then |
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29 | GLPK_LDFLAGS="-L$with_glpk/lib" |
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30 | fi |
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31 | GLPK_LIBS="-lglpk" |
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32 | |
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33 | lx_save_cxxflags="$CXXFLAGS" |
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34 | lx_save_ldflags="$LDFLAGS" |
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35 | lx_save_libs="$LIBS" |
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36 | CXXFLAGS="$GLPK_CFLAGS" |
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37 | LDFLAGS="$GLPK_LDFLAGS" |
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38 | LIBS="$GLPK_LIBS" |
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39 | |
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40 | lx_glpk_test_prog=' |
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41 | extern "C" { |
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42 | #include <glpk.h> |
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43 | } |
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44 | |
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45 | #if (GLP_MAJOR_VERSION < 4) \ |
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46 | || (GLP_MAJOR_VERSION == 4 && GLP_MINOR_VERSION < 33) |
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47 | #error Supported GLPK versions: 4.33 or above |
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48 | #endif |
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49 | |
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50 | int main(int argc, char** argv) |
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51 | { |
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52 | LPX *lp; |
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53 | lp = lpx_create_prob(); |
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54 | lpx_delete_prob(lp); |
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55 | return 0; |
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56 | }' |
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57 | |
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58 | AC_LANG_PUSH(C++) |
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59 | AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no]) |
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60 | AC_LANG_POP(C++) |
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61 | |
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62 | CXXFLAGS="$lx_save_cxxflags" |
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63 | LDFLAGS="$lx_save_ldflags" |
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64 | LIBS="$lx_save_libs" |
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65 | |
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66 | if test x"$lx_glpk_found" = x"yes"; then |
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67 | AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.]) |
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68 | lx_lp_found=yes |
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69 | AC_DEFINE([HAVE_LP], [1], [Define to 1 if you have any LP solver.]) |
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70 | lx_mip_found=yes |
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71 | AC_DEFINE([HAVE_MIP], [1], [Define to 1 if you have any MIP solver.]) |
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72 | AC_MSG_RESULT([yes]) |
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73 | else |
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74 | GLPK_CFLAGS="" |
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75 | GLPK_LDFLAGS="" |
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76 | GLPK_LIBS="" |
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77 | AC_MSG_RESULT([no]) |
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78 | fi |
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79 | fi |
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80 | GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS" |
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81 | AC_SUBST(GLPK_CFLAGS) |
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82 | AC_SUBST(GLPK_LIBS) |
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83 | AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"]) |
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84 | ]) |
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