libgomp/plugin/configfrag.ac

   1 # Plugins for offload execution, configure.ac fragment.  -*- mode: autoconf -*-
   2 #
   3 # Copyright (C) 2014-2018 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Mentor Embedded.
   6 #
   7 # This file is part of the GNU Offloading and Multi Processing Library
   8 # (libgomp).
   9 #
  10 # Libgomp is free software; you can redistribute it and/or modify it
  11 # under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 3, or (at your option)
  13 # any later version.
  14 #
  15 # Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
  16 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  18 # more details.
  19 #
  20 # Under Section 7 of GPL version 3, you are granted additional
  21 # permissions described in the GCC Runtime Library Exception, version
  22 # 3.1, as published by the Free Software Foundation.
  23 #
  24 # You should have received a copy of the GNU General Public License and
  25 # a copy of the GCC Runtime Library Exception along with this program;
  26 # see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  27 # <http://www.gnu.org/licenses/>.
  28
  29 offload_targets=
  30 AC_SUBST(offload_targets)
  31 plugin_support=yes
  32 AC_CHECK_LIB(dl, dlsym, , [plugin_support=no])
  33 if test x"$plugin_support" = xyes; then
  34   AC_DEFINE(PLUGIN_SUPPORT, 1,
  35     [Define if all infrastructure, needed for plugins, is supported.])
  36 elif test "x${enable_offload_targets-no}" != xno; then
  37   AC_MSG_ERROR([Can't support offloading without support for plugins])
  38 fi
  39 AC_CHECK_HEADERS_ONCE(unistd.h)
  40 AC_CHECK_FUNCS_ONCE(secure_getenv __secure_getenv getuid geteuid getgid getegid)
  41
  42
  43 # Look for the CUDA driver package.
  44 CUDA_DRIVER_INCLUDE=
  45 CUDA_DRIVER_LIB=
  46 AC_SUBST(CUDA_DRIVER_INCLUDE)
  47 AC_SUBST(CUDA_DRIVER_LIB)
  48 CUDA_DRIVER_CPPFLAGS=
  49 CUDA_DRIVER_LDFLAGS=
  50 AC_ARG_WITH(cuda-driver,
  51         [AS_HELP_STRING([--with-cuda-driver=PATH],
  52                 [specify prefix directory for installed CUDA driver package.
  53                  Equivalent to --with-cuda-driver-include=PATH/include
  54                  plus --with-cuda-driver-lib=PATH/lib])])
  55 AC_ARG_WITH(cuda-driver-include,
  56         [AS_HELP_STRING([--with-cuda-driver-include=PATH],
  57                 [specify directory for installed CUDA driver include files])])
  58 AC_ARG_WITH(cuda-driver-lib,
  59         [AS_HELP_STRING([--with-cuda-driver-lib=PATH],
  60                 [specify directory for the installed CUDA driver library])])
  61 case "x$with_cuda_driver" in
  62   x | xno) ;;
  63   *) CUDA_DRIVER_INCLUDE=$with_cuda_driver/include
  64      CUDA_DRIVER_LIB=$with_cuda_driver/lib
  65      ;;
  66 esac
  67 if test "x$with_cuda_driver_include" != x; then
  68   CUDA_DRIVER_INCLUDE=$with_cuda_driver_include
  69 fi
  70 if test "x$with_cuda_driver_lib" != x; then
  71   CUDA_DRIVER_LIB=$with_cuda_driver_lib
  72 fi
  73 if test "x$CUDA_DRIVER_INCLUDE" != x; then
  74   CUDA_DRIVER_CPPFLAGS=-I$CUDA_DRIVER_INCLUDE
  75 fi
  76 if test "x$CUDA_DRIVER_LIB" != x; then
  77   CUDA_DRIVER_LDFLAGS=-L$CUDA_DRIVER_LIB
  78 fi
  79
  80 PLUGIN_NVPTX=0
  81 PLUGIN_NVPTX_CPPFLAGS=
  82 PLUGIN_NVPTX_LDFLAGS=
  83 PLUGIN_NVPTX_LIBS=
  84 PLUGIN_NVPTX_DYNAMIC=0
  85 AC_SUBST(PLUGIN_NVPTX)
  86 AC_SUBST(PLUGIN_NVPTX_CPPFLAGS)
  87 AC_SUBST(PLUGIN_NVPTX_LDFLAGS)
  88 AC_SUBST(PLUGIN_NVPTX_LIBS)
  89
  90 # Look for HSA run-time, its includes and libraries
  91
  92 HSA_RUNTIME_INCLUDE=
  93 HSA_RUNTIME_LIB=
  94 AC_SUBST(HSA_RUNTIME_INCLUDE)
  95 AC_SUBST(HSA_RUNTIME_LIB)
  96 HSA_RUNTIME_CPPFLAGS=
  97 HSA_RUNTIME_LDFLAGS=
  98
  99 AC_ARG_WITH(hsa-runtime,
 100         [AS_HELP_STRING([--with-hsa-runtime=PATH],
 101                 [specify prefix directory for installed HSA run-time package.
 102                  Equivalent to --with-hsa-runtime-include=PATH/include
 103                  plus --with-hsa-runtime-lib=PATH/lib])])
 104 AC_ARG_WITH(hsa-runtime-include,
 105         [AS_HELP_STRING([--with-hsa-runtime-include=PATH],
 106                 [specify directory for installed HSA run-time include files])])
 107 AC_ARG_WITH(hsa-runtime-lib,
 108         [AS_HELP_STRING([--with-hsa-runtime-lib=PATH],
 109                 [specify directory for the installed HSA run-time library])])
 110 if test "x$with_hsa_runtime" != x; then
 111   HSA_RUNTIME_INCLUDE=$with_hsa_runtime/include
 112   HSA_RUNTIME_LIB=$with_hsa_runtime/lib
 113 fi
 114 if test "x$with_hsa_runtime_include" != x; then
 115   HSA_RUNTIME_INCLUDE=$with_hsa_runtime_include
 116 fi
 117 if test "x$with_hsa_runtime_lib" != x; then
 118   HSA_RUNTIME_LIB=$with_hsa_runtime_lib
 119 fi
 120 if test "x$HSA_RUNTIME_INCLUDE" != x; then
 121   HSA_RUNTIME_CPPFLAGS=-I$HSA_RUNTIME_INCLUDE
 122 fi
 123 if test "x$HSA_RUNTIME_LIB" != x; then
 124   HSA_RUNTIME_LDFLAGS=-L$HSA_RUNTIME_LIB
 125 fi
 126
 127 PLUGIN_HSA=0
 128 PLUGIN_HSA_CPPFLAGS=
 129 PLUGIN_HSA_LDFLAGS=
 130 PLUGIN_HSA_LIBS=
 131 AC_SUBST(PLUGIN_HSA)
 132 AC_SUBST(PLUGIN_HSA_CPPFLAGS)
 133 AC_SUBST(PLUGIN_HSA_LDFLAGS)
 134 AC_SUBST(PLUGIN_HSA_LIBS)
 135
 136 # Get offload targets and path to install tree of offloading compiler.
 137 offload_additional_options=
 138 offload_additional_lib_paths=
 139 AC_SUBST(offload_additional_options)
 140 AC_SUBST(offload_additional_lib_paths)
 141 if test x"$enable_offload_targets" != x; then
 142   for tgt in `echo $enable_offload_targets | sed -e 's#,# #g'`; do
 143     tgt_dir=`echo $tgt | grep '=' | sed 's/.*=//'`
 144     tgt=`echo $tgt | sed 's/=.*//'`
 145     tgt_name=
 146     case $tgt in
 147       *-intelmic-* | *-intelmicemul-*)
 148         tgt_name=intelmic
 149         ;;
 150       nvptx*)
 151         tgt_name=nvptx
 152         PLUGIN_NVPTX=$tgt
 153         PLUGIN_NVPTX_CPPFLAGS=$CUDA_DRIVER_CPPFLAGS
 154         PLUGIN_NVPTX_LDFLAGS=$CUDA_DRIVER_LDFLAGS
 155         PLUGIN_NVPTX_LIBS='-lcuda'
 156
 157         PLUGIN_NVPTX_save_CPPFLAGS=$CPPFLAGS
 158         CPPFLAGS="$PLUGIN_NVPTX_CPPFLAGS $CPPFLAGS"
 159         PLUGIN_NVPTX_save_LDFLAGS=$LDFLAGS
 160         LDFLAGS="$PLUGIN_NVPTX_LDFLAGS $LDFLAGS"
 161         PLUGIN_NVPTX_save_LIBS=$LIBS
 162         LIBS="$PLUGIN_NVPTX_LIBS $LIBS"
 163         AC_LINK_IFELSE(
 164           [AC_LANG_PROGRAM(
 165             [#include "cuda.h"],
 166               [CUresult r = cuCtxPushCurrent (NULL);])],
 167           [PLUGIN_NVPTX=1])
 168         CPPFLAGS=$PLUGIN_NVPTX_save_CPPFLAGS
 169         LDFLAGS=$PLUGIN_NVPTX_save_LDFLAGS
 170         LIBS=$PLUGIN_NVPTX_save_LIBS
 171         case $PLUGIN_NVPTX in
 172           nvptx*)
 173             if test "x$CUDA_DRIVER_INCLUDE" = x \
 174                && test "x$CUDA_DRIVER_LIB" = x; then
 175               PLUGIN_NVPTX=1
 176               PLUGIN_NVPTX_CPPFLAGS='-I$(srcdir)/plugin/cuda'
 177               PLUGIN_NVPTX_LIBS='-ldl'
 178               PLUGIN_NVPTX_DYNAMIC=1
 179             else
 180               PLUGIN_NVPTX=0
 181               AC_MSG_ERROR([CUDA driver package required for nvptx support])
 182             fi
 183           ;;
 184         esac
 185         ;;
 186       hsa*)
 187         case "${target}" in
 188           x86_64-*-*)
 189             case " ${CC} ${CFLAGS} " in
 190               *" -m32 "*)
 191                 PLUGIN_HSA=0
 192                 ;;
 193               *)
 194                 tgt_name=hsa
 195                 PLUGIN_HSA=$tgt
 196                 PLUGIN_HSA_CPPFLAGS=$HSA_RUNTIME_CPPFLAGS
 197                 PLUGIN_HSA_LDFLAGS="$HSA_RUNTIME_LDFLAGS"
 198                 PLUGIN_HSA_LIBS="-ldl"
 199
 200                 PLUGIN_HSA_save_CPPFLAGS=$CPPFLAGS
 201                 CPPFLAGS="$PLUGIN_HSA_CPPFLAGS $CPPFLAGS"
 202                 PLUGIN_HSA_save_LDFLAGS=$LDFLAGS
 203                 LDFLAGS="$PLUGIN_HSA_LDFLAGS $LDFLAGS"
 204                 PLUGIN_HSA_save_LIBS=$LIBS
 205                 LIBS="$PLUGIN_HSA_LIBS $LIBS"
 206
 207                 PLUGIN_HSA=1
 208                 CPPFLAGS=$PLUGIN_HSA_save_CPPFLAGS
 209                 LDFLAGS=$PLUGIN_HSA_save_LDFLAGS
 210                 LIBS=$PLUGIN_HSA_save_LIBS
 211                 case $PLUGIN_HSA in
 212                   hsa*)
 213                     HSA_PLUGIN=0
 214                     AC_MSG_ERROR([HSA run-time package required for HSA support])
 215                     ;;
 216                 esac
 217                 ;;
 218               esac
 219             ;;
 220           *-*-*)
 221             PLUGIN_HSA=0
 222             ;;
 223         esac
 224         ;;
 225       *)
 226         AC_MSG_ERROR([unknown offload target specified])
 227         ;;
 228     esac
 229     if test x"$tgt_name" = x; then
 230       # Don't configure libgomp for this offloading target if we don't build
 231       # the corresponding plugin.
 232       continue
 233     elif test x"$offload_targets" = x; then
 234       offload_targets=$tgt_name
 235     else
 236       offload_targets=$offload_targets,$tgt_name
 237     fi
 238     if test "$tgt_name" = hsa; then
 239       # Offloading compilation is all handled by the target compiler.
 240       :
 241     elif test x"$tgt_dir" != x; then
 242       offload_additional_options="$offload_additional_options -B$tgt_dir/libexec/gcc/\$(target_alias)/\$(gcc_version) -B$tgt_dir/bin"
 243       offload_additional_lib_paths="$offload_additional_lib_paths:$tgt_dir/lib64:$tgt_dir/lib:$tgt_dir/lib32"
 244     else
 245       offload_additional_options="$offload_additional_options -B\$(libexecdir)/gcc/\$(target_alias)/\$(gcc_version) -B\$(bindir)"
 246       offload_additional_lib_paths="$offload_additional_lib_paths:$toolexeclibdir"
 247     fi
 248   done
 249 fi
 250 AC_DEFINE_UNQUOTED(OFFLOAD_TARGETS, "$offload_targets",
 251   [Define to offload targets, separated by commas.])
 252 AM_CONDITIONAL([PLUGIN_NVPTX], [test $PLUGIN_NVPTX = 1])
 253 AC_DEFINE_UNQUOTED([PLUGIN_NVPTX], [$PLUGIN_NVPTX],
 254   [Define to 1 if the NVIDIA plugin is built, 0 if not.])
 255 AC_DEFINE_UNQUOTED([PLUGIN_NVPTX_DYNAMIC], [$PLUGIN_NVPTX_DYNAMIC],
 256   [Define to 1 if the NVIDIA plugin should dlopen libcuda.so.1, 0 if it should be linked against it.])
 257 AM_CONDITIONAL([PLUGIN_HSA], [test $PLUGIN_HSA = 1])
 258 AC_DEFINE_UNQUOTED([PLUGIN_HSA], [$PLUGIN_HSA],
 259   [Define to 1 if the HSA plugin is built, 0 if not.])
 260
 261 if test "$HSA_RUNTIME_LIB" != ""; then
 262   HSA_RUNTIME_LIB="$HSA_RUNTIME_LIB/"
 263 fi
 264
 265 AC_DEFINE_UNQUOTED([HSA_RUNTIME_LIB], ["$HSA_RUNTIME_LIB"],
 266   [Define path to HSA runtime.])