148 lines
5.1 KiB
Plaintext
148 lines
5.1 KiB
Plaintext
# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
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#
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# Copyright (C) 2014-2016 Free Software Foundation, Inc.
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#
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# Contributed by Mentor Embedded.
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#
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# This file is part of the GNU Offloading and Multi Processing Library
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# (libgomp).
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#
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# Libgomp is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# Under Section 7 of GPL version 3, you are granted additional
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# permissions described in the GCC Runtime Library Exception, version
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# 3.1, as published by the Free Software Foundation.
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#
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# You should have received a copy of the GNU General Public License and
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# a copy of the GCC Runtime Library Exception along with this program;
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# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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# <http://www.gnu.org/licenses/>.
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offload_targets=
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AC_SUBST(offload_targets)
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plugin_support=yes
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AC_CHECK_LIB(dl, dlsym, , [plugin_support=no])
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if test x"$plugin_support" = xyes; then
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AC_DEFINE(PLUGIN_SUPPORT, 1,
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[Define if all infrastructure, needed for plugins, is supported.])
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elif test "x${enable_offload_targets-no}" != xno; then
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AC_MSG_ERROR([Can't support offloading without support for plugins])
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fi
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# Look for the CUDA driver package.
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CUDA_DRIVER_INCLUDE=
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CUDA_DRIVER_LIB=
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AC_SUBST(CUDA_DRIVER_INCLUDE)
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AC_SUBST(CUDA_DRIVER_LIB)
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CUDA_DRIVER_CPPFLAGS=
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CUDA_DRIVER_LDFLAGS=
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AC_ARG_WITH(cuda-driver,
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[AS_HELP_STRING([--with-cuda-driver=PATH],
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[specify prefix directory for installed CUDA driver package.
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Equivalent to --with-cuda-driver-include=PATH/include
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plus --with-cuda-driver-lib=PATH/lib])])
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AC_ARG_WITH(cuda-driver-include,
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[AS_HELP_STRING([--with-cuda-driver-include=PATH],
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[specify directory for installed CUDA driver include files])])
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AC_ARG_WITH(cuda-driver-lib,
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[AS_HELP_STRING([--with-cuda-driver-lib=PATH],
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[specify directory for the installed CUDA driver library])])
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if test "x$with_cuda_driver" != x; then
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CUDA_DRIVER_INCLUDE=$with_cuda_driver/include
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CUDA_DRIVER_LIB=$with_cuda_driver/lib
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fi
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if test "x$with_cuda_driver_include" != x; then
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CUDA_DRIVER_INCLUDE=$with_cuda_driver_include
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fi
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if test "x$with_cuda_driver_lib" != x; then
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CUDA_DRIVER_LIB=$with_cuda_driver_lib
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fi
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if test "x$CUDA_DRIVER_INCLUDE" != x; then
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CUDA_DRIVER_CPPFLAGS=-I$CUDA_DRIVER_INCLUDE
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fi
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if test "x$CUDA_DRIVER_LIB" != x; then
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CUDA_DRIVER_LDFLAGS=-L$CUDA_DRIVER_LIB
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fi
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PLUGIN_NVPTX=0
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PLUGIN_NVPTX_CPPFLAGS=
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PLUGIN_NVPTX_LDFLAGS=
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PLUGIN_NVPTX_LIBS=
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AC_SUBST(PLUGIN_NVPTX)
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AC_SUBST(PLUGIN_NVPTX_CPPFLAGS)
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AC_SUBST(PLUGIN_NVPTX_LDFLAGS)
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AC_SUBST(PLUGIN_NVPTX_LIBS)
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# Get offload targets and path to install tree of offloading compiler.
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offload_additional_options=
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offload_additional_lib_paths=
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AC_SUBST(offload_additional_options)
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AC_SUBST(offload_additional_lib_paths)
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if test x"$enable_offload_targets" != x; then
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for tgt in `echo $enable_offload_targets | sed -e 's#,# #g'`; do
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tgt_dir=`echo $tgt | grep '=' | sed 's/.*=//'`
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tgt=`echo $tgt | sed 's/=.*//'`
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case $tgt in
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*-intelmic-* | *-intelmicemul-*)
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tgt_name=intelmic
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;;
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nvptx*)
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tgt_name=nvptx
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PLUGIN_NVPTX=$tgt
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PLUGIN_NVPTX_CPPFLAGS=$CUDA_DRIVER_CPPFLAGS
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PLUGIN_NVPTX_LDFLAGS=$CUDA_DRIVER_LDFLAGS
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PLUGIN_NVPTX_LIBS='-lcuda'
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PLUGIN_NVPTX_save_CPPFLAGS=$CPPFLAGS
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CPPFLAGS="$PLUGIN_NVPTX_CPPFLAGS $CPPFLAGS"
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PLUGIN_NVPTX_save_LDFLAGS=$LDFLAGS
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LDFLAGS="$PLUGIN_NVPTX_LDFLAGS $LDFLAGS"
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PLUGIN_NVPTX_save_LIBS=$LIBS
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LIBS="$PLUGIN_NVPTX_LIBS $LIBS"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include "cuda.h"],
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[CUresult r = cuCtxPushCurrent (NULL);])],
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[PLUGIN_NVPTX=1])
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CPPFLAGS=$PLUGIN_NVPTX_save_CPPFLAGS
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LDFLAGS=$PLUGIN_NVPTX_save_LDFLAGS
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LIBS=$PLUGIN_NVPTX_save_LIBS
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case $PLUGIN_NVPTX in
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nvptx*)
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PLUGIN_NVPTX=0
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AC_MSG_ERROR([CUDA driver package required for nvptx support])
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;;
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esac
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;;
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*)
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AC_MSG_ERROR([unknown offload target specified])
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;;
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esac
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if test x"$offload_targets" = x; then
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offload_targets=$tgt_name
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else
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offload_targets=$offload_targets,$tgt_name
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fi
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if test x"$tgt_dir" != x; then
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offload_additional_options="$offload_additional_options -B$tgt_dir/libexec/gcc/\$(target_alias)/\$(gcc_version) -B$tgt_dir/bin"
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offload_additional_lib_paths="$offload_additional_lib_paths:$tgt_dir/lib64:$tgt_dir/lib:$tgt_dir/lib32"
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else
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offload_additional_options="$offload_additional_options -B\$(libexecdir)/gcc/\$(target_alias)/\$(gcc_version) -B\$(bindir)"
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offload_additional_lib_paths="$offload_additional_lib_paths:$toolexeclibdir"
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fi
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done
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fi
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AC_DEFINE_UNQUOTED(OFFLOAD_TARGETS, "$offload_targets",
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[Define to offload targets, separated by commas.])
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AM_CONDITIONAL([PLUGIN_NVPTX], [test $PLUGIN_NVPTX = 1])
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AC_DEFINE_UNQUOTED([PLUGIN_NVPTX], [$PLUGIN_NVPTX],
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[Define to 1 if the NVIDIA plugin is built, 0 if not.])
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