| 1 | # Check for FLINT |
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| 2 | # Bradford Hovinen, 2001-06-13 |
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| 3 | # Modified by Pascal Giorgi, 2003-12-03 |
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| 4 | # Inspired by gnome-bonobo-check.m4 by Miguel de Icaza, 99-04-12 |
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| 5 | # Stolen from Chris Lahey 99-2-5 |
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| 6 | # stolen from Manish Singh again |
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| 7 | # stolen back from Frank Belew |
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| 8 | # stolen from Manish Singh |
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| 9 | # Shamelessly stolen from Owen Taylor |
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| 10 | |
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| 11 | dnl Test for FLINT and define |
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| 12 | dnl FLINT_CFLAGS and FLINT_LIBS |
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| 13 | |
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| 14 | AC_DEFUN([LB_CHECK_FLINT], |
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| 15 | [ |
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| 16 | AC_REQUIRE([SING_DEFAULT_CHECKING_PATH]) |
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| 17 | |
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| 18 | AC_ARG_WITH(flint, |
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| 19 | [ --with-flint=<path>|yes|no Use FLINT library. By default (yes), Singular will |
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| 20 | try to find the library and use it if found. |
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| 21 | If argument is no, Singular will not use the |
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| 22 | library even if it could be found on your machine. |
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| 23 | Otherwise you can give the <path> to the directory |
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| 24 | which contains the library. |
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| 25 | ], |
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| 26 | [if test "x$withval" = xyes ; then |
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| 27 | FLINT_HOME_PATH="DEFAULTS ${DEFAULT_CHECKING_PATH}" |
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| 28 | elif test "x$withval" != xno ; then |
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| 29 | FLINT_HOME_PATH="$withval" |
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| 30 | fi], |
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| 31 | [FLINT_HOME_PATH="DEFAULTS ${DEFAULT_CHECKING_PATH}"]) |
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| 32 | |
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| 33 | dnl Check for existence |
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| 34 | BACKUP_CFLAGS=${CFLAGS} |
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| 35 | BACKUP_LIBS=${LIBS} |
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| 36 | |
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| 37 | AC_LANG_PUSH([C]) |
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| 38 | |
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| 39 | flint_found="no" |
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| 40 | dnl if flint was not previously found, search FLINT_HOME_PATH |
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| 41 | for FLINT_HOME in ${FLINT_HOME_PATH} |
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| 42 | do |
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| 43 | if test "$FLINT_HOME" = DEFAULTS; then |
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| 44 | FLINT_CFLAGS="" |
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| 45 | FLINT_LIBS="-lflint -lmpfr -lgmp" |
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| 46 | else |
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| 47 | FLINT_CFLAGS="-I${FLINT_HOME}/include/" |
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| 48 | FLINT_LIBS="-L${FLINT_HOME}/lib -Wl,-rpath,${FLINT_HOME}/lib -lflint -lmpfr -lgmp" |
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| 49 | fi |
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| 50 | |
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| 51 | # we suppose that mpfr and mpir to be in the same place or available by default |
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| 52 | CFLAGS="${FLINT_CFLAGS} ${GMP_CPPFLAGS} ${BACKUP_CFLAGS}" |
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| 53 | LIBS="${FLINT_LIBS} ${GMP_LIBS} ${BACKUP_LIBS}" |
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| 54 | |
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| 55 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <flint/fmpz.h> |
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| 56 | ]], [[fmpz_t x; fmpz_init(x);]])],[ |
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| 57 | flint_found="yes" |
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| 58 | break |
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| 59 | ],[]) |
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| 60 | done |
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| 61 | |
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| 62 | AC_LANG_POP([C]) |
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| 63 | |
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| 64 | CFLAGS=${BACKUP_CFLAGS} |
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| 65 | LIBS=${BACKUP_LIBS} |
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| 66 | #unset LD_LIBRARY_PATH |
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| 67 | |
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| 68 | AC_MSG_CHECKING(for FLINT) |
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| 69 | |
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| 70 | if test "x$flint_found" = "xyes" ; then |
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| 71 | AC_DEFINE(HAVE_FLINT,1,[Define if FLINT is installed]) |
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| 72 | HAVE_FLINT=yes |
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| 73 | AC_MSG_RESULT(found) |
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| 74 | else |
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| 75 | AC_MSG_RESULT(not found) |
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| 76 | FLINT_CFLAGS="" |
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| 77 | FLINT_LIBS="" |
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| 78 | FLINT_HOME="" |
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| 79 | fi |
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| 80 | AC_SUBST(FLINT_CFLAGS) |
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| 81 | AC_SUBST(FLINT_LIBS) |
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| 82 | AC_SUBST(FLINT_HOME) |
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| 83 | ]) |
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| 84 | |
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