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config/lx_check_glpk.m4
author hegyi
Thu, 05 Jan 2006 12:30:09 +0000
changeset 1878 409a31271efd
permissions -rw-r--r--
Several changes. \n If new map is added to mapstorage it emits signal with the name of the new map. This was important, because from now on not only tha mapwin should be updated. \n Furthermore algobox gets a pointer to mapstorage instead of only the mapnames from it. This is important because without it it would be complicated to pass all of the required maps to algobox. 
     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       int main(int argc, char* argv[])

    46       {

    47         LPX *lp;

    48         lp = lpx_create_prob();

    49         lpx_delete_prob(lp);

    50         return 0;

    51       }'

    52 

    53     AC_LANG_PUSH(C++)

    54     AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])

    55     AC_LANG_POP(C++)

    56 

    57     CXXFLAGS="$lx_save_cxxflags"

    58     LDFLAGS="$lx_save_ldflags"

    59     LIBS="$lx_save_libs"

    60 

    61     if test x"$lx_glpk_found" = x"yes"; then

    62       AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])

    63       AC_MSG_RESULT([yes])

    64     else

    65       GLPK_CFLAGS=""

    66       GLPK_LDFLAGS=""

    67       GLPK_LIBS=""

    68       AC_MSG_RESULT([no])

    69     fi

    70   fi

    71   GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"

    72   AC_SUBST(GLPK_CFLAGS)

    73   AC_SUBST(GLPK_LIBS)

    74   AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])

    75 ])
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