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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="$GLPK_LIBS" |
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39 |
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40 lx_glpk_test_prog=' |
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41 extern "C" { |
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42 #include <glpk.h> |
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43 } |
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44 |
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45 int main(int argc, char* argv[]) |
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46 { |
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47 LPX *lp; |
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48 lp = lpx_create_prob(); |
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49 lpx_delete_prob(lp); |
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50 return 0; |
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51 }' |
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52 |
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53 AC_LANG_PUSH(C++) |
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54 AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no]) |
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55 AC_LANG_POP(C++) |
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56 |
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57 CXXFLAGS="$lx_save_cxxflags" |
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58 LDFLAGS="$lx_save_ldflags" |
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59 LIBS="$lx_save_libs" |
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60 |
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61 if test x"$lx_glpk_found" = x"yes"; then |
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62 AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.]) |
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63 AC_MSG_RESULT([yes]) |
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64 else |
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65 GLPK_CFLAGS="" |
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66 GLPK_LDFLAGS="" |
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67 GLPK_LIBS="" |
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68 AC_MSG_RESULT([no]) |
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69 fi |
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70 fi |
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71 GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS" |
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72 AC_SUBST(GLPK_CFLAGS) |
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73 AC_SUBST(GLPK_LIBS) |
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74 AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"]) |
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75 ]) |