config/cloog.m4

   1 # This file is part of GCC.
   2 #
   3 # GCC is free software; you can redistribute it and/or modify it under
   4 # the terms of the GNU General Public License as published by the Free
   5 # Software Foundation; either version 3, or (at your option) any later
   6 # version.
   7 #
   8 # GCC is distributed in the hope that it will be useful, but WITHOUT
   9 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11 # for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16 #
  17 # Contributed by Andreas Simbuerger <simbuerg@fim.uni-passau.de>
  18
  19 # CLOOG_INIT_FLAGS ()
  20 # -------------------------
  21 # Provide configure switches for CLooG support.
  22 # Initialize clooglibs/clooginc according to the user input.
  23 AC_DEFUN([CLOOG_INIT_FLAGS],
  24 [
  25   AC_ARG_WITH([cloog-include],
  26     [AS_HELP_STRING(
  27       [--with-cloog-include=PATH],
  28       [Specify directory for installed CLooG include files])])
  29   AC_ARG_WITH([cloog-lib],
  30     [AS_HELP_STRING(
  31       [--with-cloog-lib=PATH],
  32       [Specify the directory for the installed CLooG library])])
  33
  34   AC_ARG_ENABLE(cloog-version-check,
  35     [AS_HELP_STRING(
  36       [--disable-cloog-version-check],
  37       [disable check for CLooG version])],
  38     ENABLE_CLOOG_CHECK=$enableval,
  39     ENABLE_CLOOG_CHECK=yes)
  40
  41   # Initialize clooglibs and clooginc.
  42   case $with_cloog in
  43     no)
  44       clooglibs=
  45       clooginc=
  46       ;;
  47     "" | yes)
  48       ;;
  49     *)
  50       clooglibs="-L$with_cloog/lib"
  51       clooginc="-I$with_cloog/include"
  52       ;;
  53   esac
  54   if test "x${with_cloog_include}" != x ; then
  55     clooginc="-I$with_cloog_include"
  56   fi
  57   if test "x${with_cloog_lib}" != x; then
  58     clooglibs="-L$with_cloog_lib"
  59   fi
  60   dnl If no --with-cloog flag was specified and there is in-tree CLooG
  61   dnl source, set up flags to use that and skip any version tests
  62   dnl as we cannot run them reliably before building CLooG
  63   if test "x${clooginc}" = x && test "x${clooglibs}" = x \
  64      && test -d ${srcdir}/cloog; then
  65      clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
  66      clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include'
  67     ENABLE_CLOOG_CHECK=no
  68     AC_MSG_WARN([using in-tree CLooG, disabling version check])
  69   fi
  70
  71   clooginc="-DCLOOG_INT_GMP ${clooginc}"
  72   clooglibs="${clooglibs} -lcloog-isl"
  73 ]
  74 )
  75
  76 # CLOOG_REQUESTED (ACTION-IF-REQUESTED, ACTION-IF-NOT)
  77 # ----------------------------------------------------
  78 # Provide actions for failed CLooG detection.
  79 AC_DEFUN([CLOOG_REQUESTED],
  80 [
  81   AC_REQUIRE([CLOOG_INIT_FLAGS])
  82
  83   if test "x${with_cloog}" = xno; then
  84     $2
  85   elif test "x${with_cloog}" != x \
  86     || test "x${with_cloog_include}" != x \
  87     || test "x${with_cloog_lib}" != x ; then
  88     $1
  89   else
  90     $2
  91   fi
  92 ]
  93 )
  94
  95 # _CLOOG_CHECK_CT_PROG(MAJOR, MINOR, REVISION)
  96 # --------------------------------------------
  97 # Helper for verifying CLooG's compile time version.
  98 m4_define([_CLOOG_CHECK_CT_PROG],[AC_LANG_PROGRAM(
  99   [#include "cloog/version.h"],
 100   [#if CLOOG_VERSION_MAJOR != $1 \
 101     || CLOOG_VERSION_MINOR != $2 \
 102     || CLOOG_VERSION_REVISION < $3
 103     choke me
 104    #endif])])
 105
 106 # CLOOG_CHECK_VERSION CLOOG_CHECK_VERSION (MAJOR, MINOR, REVISION)
 107 # ----------------------------------------------------------------
 108 # Test the found CLooG to be exact of version MAJOR.MINOR and at least
 109 # REVISION.
 110 AC_DEFUN([CLOOG_CHECK_VERSION],
 111 [
 112   AC_REQUIRE([CLOOG_INIT_FLAGS])
 113
 114   if test "${ENABLE_CLOOG_CHECK}" = yes ; then
 115     _cloog_saved_CFLAGS=$CFLAGS
 116     _cloog_saved_LDFLAGS=$LDFLAGS
 117
 118     CFLAGS="${_cloog_saved_CFLAGS} ${clooginc} ${islinc} ${gmpinc}"
 119     LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${isllibs} ${gmplib}"
 120
 121     AC_MSG_CHECKING([for version $1.$2.$3 of CLooG])
 122     AC_COMPILE_IFELSE([_CLOOG_CHECK_CT_PROG($1,$2,$3)],
 123         [gcc_cv_cloog=yes],
 124         [gcc_cv_cloog=no])
 125     AC_MSG_RESULT([$gcc_cv_cloog])
 126
 127     CFLAGS=$_cloog_saved_CFLAGS
 128     LDFLAGS=$_cloog_saved_LDFLAGS
 129   fi
 130 ]
 131 )
 132
 133 # CLOOG_IF_FAILED (ACTION-IF-FAILED)
 134 # ----------------------------------
 135 # Executes ACTION-IF-FAILED, if GRAPHITE was requested and
 136 # the checks failed.
 137 AC_DEFUN([CLOOG_IF_FAILED],
 138 [
 139   CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
 140
 141   if test "${gcc_cv_cloog}" = no ; then
 142     clooglibs=
 143     clooginc=
 144   fi
 145
 146   if test "${graphite_requested}" = yes \
 147     && test "x${clooglibs}" = x \
 148     && test "x${clooginc}" = x ; then
 149     $1
 150   fi
 151 ]
 152 )