| 1 | # gfanlib.m4 |
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| 2 | |
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| 3 | AC_DEFUN([SING_CHECK_GFANLIB], |
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| 4 | [ |
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| 5 | |
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| 6 | AC_ARG_ENABLE(gfanlib, |
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| 7 | AS_HELP_STRING([--enable-gfanlib], [Enables gfanlib, a package for basic convex geometry]), |
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| 8 | [ENABLE_GFANLIB="yes"], |
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| 9 | [ENABLE_GFANLIB="no"]) |
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| 10 | |
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| 11 | AC_MSG_CHECKING(whether to build with gfanlib) |
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| 12 | if test "x$ENABLE_GFANLIB" = xyes; then |
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| 13 | AC_MSG_RESULT(yes) |
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| 14 | AC_LANG_PUSH(C++) |
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| 15 | SAVE_LIBS=$LIBS |
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| 16 | LIBS="-lcddgmp $GMP_LIBS $LIBS" |
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| 17 | AC_LINK_IFELSE( |
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| 18 | [AC_LANG_PROGRAM([#include <cdd/setoper.h> |
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| 19 | #include <cdd/cdd.h>], |
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| 20 | [dd_set_global_constants()])], |
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| 21 | [LIBS="-lcddgmp $SAVE_LIBS"] [CDDGMPLDFLAGS="-lcddgmp"] |
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| 22 | [PASSED_ALL_TESTS_FOR_GFANLIB="yes"], |
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| 23 | [AC_MSG_WARN([libcddgmp is not installed.])] |
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| 24 | [PASSED_ALL_TESTS_FOR_GFANLIB="no" |
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| 25 | ] |
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| 26 | ) |
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| 27 | if test "$PASSED_ALL_TESTS_FOR_GFANLIB" != yes; then |
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| 28 | AC_LINK_IFELSE( |
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| 29 | [AC_LANG_PROGRAM([#include <setoper.h> |
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| 30 | #include "cdd.h"], |
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| 31 | [dd_set_global_constants()])], |
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| 32 | [LIBS="$SAVE_LIBS -lcddgmp"] [CDDGMPLDFLAGS="-lcddgmp"] |
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| 33 | [PASSED_ALL_TESTS_FOR_GFANLIB="yes"], |
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| 34 | [AC_MSG_WARN([libcddgmp is not installed.])] |
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| 35 | [PASSED_ALL_TESTS_FOR_GFANLIB="no" |
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| 36 | ] |
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| 37 | ) |
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| 38 | fi |
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| 39 | if test "$PASSED_ALL_TESTS_FOR_GFANLIB" != yes; then |
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| 40 | AC_LINK_IFELSE( |
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| 41 | [AC_LANG_PROGRAM([#include <cddlib/setoper.h> |
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| 42 | #include "cddlib/cdd.h"], |
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| 43 | [dd_set_global_constants()])], |
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| 44 | [LIBS="$SAVE_LIBS -lcddgmp"] [CDDGMPLDFLAGS="-lcddgmp"] |
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| 45 | [PASSED_ALL_TESTS_FOR_GFANLIB="yes"], |
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| 46 | [AC_MSG_WARN([libcddgmp is not installed.])] |
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| 47 | [PASSED_ALL_TESTS_FOR_GFANLIB="no" |
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| 48 | ] |
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| 49 | ) |
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| 50 | fi |
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| 51 | AC_LANG_POP() |
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| 52 | else |
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| 53 | AC_MSG_RESULT(no) |
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| 54 | PASSED_ALL_TESTS_FOR_GFANLIB="no"; |
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| 55 | fi |
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| 56 | |
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| 57 | LIBS=$SAVE_LIBS |
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| 58 | |
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| 59 | AM_CONDITIONAL(HAVE_GFANLIB, test "x$PASSED_ALL_TESTS_FOR_GFANLIB" = xyes) |
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| 60 | |
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| 61 | ]) |
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