diff options
Diffstat (limited to 'libgomp/plugin/configfrag.ac')
| -rw-r--r-- | libgomp/plugin/configfrag.ac | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/libgomp/plugin/configfrag.ac b/libgomp/plugin/configfrag.ac new file mode 100644 index 00000000000..254c68853cb --- /dev/null +++ b/libgomp/plugin/configfrag.ac @@ -0,0 +1,148 @@ +# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*- +# +# Copyright (C) 2014-2015 Free Software Foundation, Inc. +# +# Contributed by Mentor Embedded. +# +# This file is part of the GNU Offloading and Multi Processing Library +# (libgomp). +# +# Libgomp is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +# FOR A PARTICULAR PURPOSE. See the GNU General Public License for +# more details. +# +# Under Section 7 of GPL version 3, you are granted additional +# permissions described in the GCC Runtime Library Exception, version +# 3.1, as published by the Free Software Foundation. +# +# You should have received a copy of the GNU General Public License and +# a copy of the GCC Runtime Library Exception along with this program; +# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +# <http://www.gnu.org/licenses/>. + +offload_targets= +AC_SUBST(offload_targets) +plugin_support=yes +AC_CHECK_LIB(dl, dlsym, , [plugin_support=no]) +if test x"$plugin_support" = xyes; then + AC_DEFINE(PLUGIN_SUPPORT, 1, + [Define if all infrastructure, needed for plugins, is supported.]) + offload_targets=host_nonshm +elif test "x${enable_offload_targets-no}" != xno; then + AC_MSG_ERROR([Can't support offloading without support for plugins]) +fi + +# Look for the CUDA driver package. +CUDA_DRIVER_INCLUDE= +CUDA_DRIVER_LIB= +AC_SUBST(CUDA_DRIVER_INCLUDE) +AC_SUBST(CUDA_DRIVER_LIB) +CUDA_DRIVER_CPPFLAGS= +CUDA_DRIVER_LDFLAGS= +AC_ARG_WITH(cuda-driver, + [AS_HELP_STRING([--with-cuda-driver=PATH], + [specify prefix directory for installed CUDA driver package. + Equivalent to --with-cuda-driver-include=PATH/include + plus --with-cuda-driver-lib=PATH/lib])]) +AC_ARG_WITH(cuda-driver-include, + [AS_HELP_STRING([--with-cuda-driver-include=PATH], + [specify directory for installed CUDA driver include files])]) +AC_ARG_WITH(cuda-driver-lib, + [AS_HELP_STRING([--with-cuda-driver-lib=PATH], + [specify directory for the installed CUDA driver library])]) +if test "x$with_cuda_driver" != x; then + CUDA_DRIVER_INCLUDE=$with_cuda_driver/include + CUDA_DRIVER_LIB=$with_cuda_driver/lib +fi +if test "x$with_cuda_driver_include" != x; then + CUDA_DRIVER_INCLUDE=$with_cuda_driver_include +fi +if test "x$with_cuda_driver_lib" != x; then + CUDA_DRIVER_LIB=$with_cuda_driver_lib +fi +if test "x$CUDA_DRIVER_INCLUDE" != x; then + CUDA_DRIVER_CPPFLAGS=-I$CUDA_DRIVER_INCLUDE +fi +if test "x$CUDA_DRIVER_LIB" != x; then + CUDA_DRIVER_LDFLAGS=-L$CUDA_DRIVER_LIB +fi + +PLUGIN_NVPTX=0 +PLUGIN_NVPTX_CPPFLAGS= +PLUGIN_NVPTX_LDFLAGS= +PLUGIN_NVPTX_LIBS= +AC_SUBST(PLUGIN_NVPTX) +AC_SUBST(PLUGIN_NVPTX_CPPFLAGS) +AC_SUBST(PLUGIN_NVPTX_LDFLAGS) +AC_SUBST(PLUGIN_NVPTX_LIBS) + +# Get offload targets and path to install tree of offloading compiler. +offload_additional_options= +offload_additional_lib_paths= +AC_SUBST(offload_additional_options) +AC_SUBST(offload_additional_lib_paths) +if test x"$enable_offload_targets" != x; then + for tgt in `echo $enable_offload_targets | sed -e 's#,# #g'`; do + tgt_dir=`echo $tgt | grep '=' | sed 's/.*=//'` + tgt=`echo $tgt | sed 's/=.*//'` + case $tgt in + *-intelmic-* | *-intelmicemul-*) + tgt_name=intelmic + ;; + nvptx*) + tgt_name=nvptx + PLUGIN_NVPTX=$tgt + PLUGIN_NVPTX_CPPFLAGS=$CUDA_DRIVER_CPPFLAGS + PLUGIN_NVPTX_LDFLAGS=$CUDA_DRIVER_LDFLAGS + PLUGIN_NVPTX_LIBS='-lcuda' + + PLUGIN_NVPTX_save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$PLUGIN_NVPTX_CPPFLAGS $CPPFLAGS" + PLUGIN_NVPTX_save_LDFLAGS=$LDFLAGS + LDFLAGS="$PLUGIN_NVPTX_LDFLAGS $LDFLAGS" + PLUGIN_NVPTX_save_LIBS=$LIBS + LIBS="$PLUGIN_NVPTX_LIBS $LIBS" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [#include "cuda.h"], + [CUresult r = cuCtxPushCurrent (NULL);])], + [PLUGIN_NVPTX=1]) + CPPFLAGS=$PLUGIN_NVPTX_save_CPPFLAGS + LDFLAGS=$PLUGIN_NVPTX_save_LDFLAGS + LIBS=$PLUGIN_NVPTX_save_LIBS + case $PLUGIN_NVPTX in + nvptx*) + PLUGIN_NVPTX=0 + AC_MSG_ERROR([CUDA driver package required for nvptx support]) + ;; + esac + ;; + *) + AC_MSG_ERROR([unknown offload target specified]) + ;; + esac + if test x"$offload_targets" = x; then + offload_targets=$tgt_name + else + offload_targets=$offload_targets,$tgt_name + fi + if test x"$tgt_dir" != x; then + offload_additional_options="$offload_additional_options -B$tgt_dir/libexec/gcc/\$(target_alias)/\$(gcc_version) -B$tgt_dir/bin" + offload_additional_lib_paths="$offload_additional_lib_paths:$tgt_dir/lib64:$tgt_dir/lib:$tgt_dir/lib32" + else + offload_additional_options="$offload_additional_options -B\$(libexecdir)/gcc/\$(target_alias)/\$(gcc_version) -B\$(bindir)" + offload_additional_lib_paths="$offload_additional_lib_paths:$toolexeclibdir" + fi + done +fi +AC_DEFINE_UNQUOTED(OFFLOAD_TARGETS, "$offload_targets", + [Define to hold the list of target names suitable for offloading.]) +AM_CONDITIONAL([PLUGIN_NVPTX], [test $PLUGIN_NVPTX = 1]) +AC_DEFINE_UNQUOTED([PLUGIN_NVPTX], [$PLUGIN_NVPTX], + [Define to 1 if the NVIDIA plugin is built, 0 if not.]) |