| 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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