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