| 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 | if test x"$with_glpk" != x"no"; then |
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| 17 | AC_MSG_CHECKING([for GLPK]) |
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| 18 | |
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| 19 | if test x"$with_glpk_includedir" != x"no"; then |
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| 20 | GLPK_CFLAGS="-I$with_glpk_includedir" |
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| 21 | elif test x"$with_glpk" != x"yes"; then |
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| 22 | GLPK_CFLAGS="-I$with_glpk/include" |
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| 23 | fi |
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| 24 | |
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| 25 | if test x"$with_glpk_libdir" != x"no"; then |
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| 26 | GLPK_LDFLAGS="-L$with_glpk_libdir" |
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| 27 | elif test x"$with_glpk" != x"yes"; then |
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| 28 | GLPK_LDFLAGS="-L$with_glpk/lib" |
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| 29 | fi |
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| 30 | GLPK_LIBS="-lglpk" |
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| 31 | |
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| 32 | lx_save_cxxflags="$CXXFLAGS"; |
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| 33 | lx_save_ldflags="$LDFLAGS"; |
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| 34 | lx_save_libs="$LIBS"; |
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| 35 | CXXFLAGS="$GLPK_CFLAGS" |
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| 36 | LDFLAGS="$GLPK_LDFLAGS" |
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| 37 | LIBS="$GLPK_LIBS" |
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| 38 | |
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| 39 | lx_glpk_test_prog=' |
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| 40 | extern "C" { |
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| 41 | #include <glpk.h> |
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| 42 | } |
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| 43 | |
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| 44 | int main(int argc, char* argv[]) |
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| 45 | { |
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| 46 | LPX *lp; |
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| 47 | lp = lpx_create_prob(); |
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| 48 | lpx_delete_prob(lp); |
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| 49 | return 0; |
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| 50 | }' |
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| 51 | |
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| 52 | AC_LANG_PUSH(C++) |
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| 53 | AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], []) |
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| 54 | AC_LANG_POP(C++) |
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| 55 | |
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| 56 | CXXFLAGS="$lx_save_cxxflags" |
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| 57 | LDFLAGS="$lx_save_ldflags" |
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| 58 | LIBS="$lx_save_libs" |
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| 59 | |
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| 60 | if test x"$lx_glpk_found" = x"yes"; then |
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| 61 | AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.]) |
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| 62 | AC_MSG_RESULT([yes]) |
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| 63 | else |
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| 64 | AC_MSG_RESULT([no]) |
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| 65 | fi |
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| 66 | fi |
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| 67 | GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS" |
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| 68 | AC_SUBST(GLPK_CFLAGS) |
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| 69 | AC_SUBST(GLPK_LIBS) |
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| 70 | AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"]) |
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| 71 | ]) |
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