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gcc/libgomp/plugin/configfrag.ac

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# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
#
# Copyright (C) 2014-2016 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"$plugin_support" = xyes; then
AC_DEFINE(PLUGIN_SUPPORT, 1,
[Define if all infrastructure, needed for plugins, is supported.])
elif test "x${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$CUDA_DRIVER_LIB
fi
PLUGIN_NVPTX=0
PLUGIN_NVPTX_CPPFLAGS=
PLUGIN_NVPTX_LDFLAGS=
PLUGIN_NVPTX_LIBS=
AC_SUBST(PLUGIN_NVPTX)
AC_SUBST(PLUGIN_NVPTX_CPPFLAGS)
AC_SUBST(PLUGIN_NVPTX_LDFLAGS)
AC_SUBST(PLUGIN_NVPTX_LIBS)
# Look for HSA run-time, its includes and libraries
HSA_RUNTIME_INCLUDE=
HSA_RUNTIME_LIB=
AC_SUBST(HSA_RUNTIME_INCLUDE)
AC_SUBST(HSA_RUNTIME_LIB)
HSA_RUNTIME_CPPFLAGS=
HSA_RUNTIME_LDFLAGS=
AC_ARG_WITH(hsa-runtime,
[AS_HELP_STRING([--with-hsa-runtime=PATH],
[specify prefix directory for installed HSA run-time package.
Equivalent to --with-hsa-runtime-include=PATH/include
plus --with-hsa-runtime-lib=PATH/lib])])
AC_ARG_WITH(hsa-runtime-include,
[AS_HELP_STRING([--with-hsa-runtime-include=PATH],
[specify directory for installed HSA run-time include files])])
AC_ARG_WITH(hsa-runtime-lib,
[AS_HELP_STRING([--with-hsa-runtime-lib=PATH],
[specify directory for the installed HSA run-time library])])
if test "x$with_hsa_runtime" != x; then
HSA_RUNTIME_INCLUDE=$with_hsa_runtime/include
HSA_RUNTIME_LIB=$with_hsa_runtime/lib
fi
if test "x$with_hsa_runtime_include" != x; then
HSA_RUNTIME_INCLUDE=$with_hsa_runtime_include
fi
if test "x$with_hsa_runtime_lib" != x; then
HSA_RUNTIME_LIB=$with_hsa_runtime_lib
fi
if test "x$HSA_RUNTIME_INCLUDE" != x; then
HSA_RUNTIME_CPPFLAGS=-I$HSA_RUNTIME_INCLUDE
fi
if test "x$HSA_RUNTIME_LIB" != x; then
HSA_RUNTIME_LDFLAGS=-L$HSA_RUNTIME_LIB
fi
HSA_KMT_LIB=
AC_SUBST(HSA_KMT_LIB)
HSA_KMT_LDFLAGS=
AC_ARG_WITH(hsa-kmt-lib,
[AS_HELP_STRING([--with-hsa-kmt-lib=PATH],
[specify directory for installed HSA KMT library.])])
if test "x$with_hsa_kmt_lib" != x; then
HSA_KMT_LIB=$with_hsa_kmt_lib
fi
if test "x$HSA_KMT_LIB" != x; then
HSA_KMT_LDFLAGS=-L$HSA_KMT_LIB
fi
PLUGIN_HSA=0
PLUGIN_HSA_CPPFLAGS=
PLUGIN_HSA_LDFLAGS=
PLUGIN_HSA_LIBS=
AC_SUBST(PLUGIN_HSA)
AC_SUBST(PLUGIN_HSA_CPPFLAGS)
AC_SUBST(PLUGIN_HSA_LDFLAGS)
AC_SUBST(PLUGIN_HSA_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/=.*//'`
tgt_name=
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 $PLUGIN_NVPTX in
nvptx*)
PLUGIN_NVPTX=0
AC_MSG_ERROR([CUDA driver package required for nvptx support])
;;
esac
;;
hsa*)
case "${target}" in
x86_64-*-*)
case " ${CC} ${CFLAGS} " in
*" -m32 "*)
PLUGIN_HSA=0
;;
*)
tgt_name=hsa
PLUGIN_HSA=$tgt
PLUGIN_HSA_CPPFLAGS=$HSA_RUNTIME_CPPFLAGS
PLUGIN_HSA_LDFLAGS="$HSA_RUNTIME_LDFLAGS $HSA_KMT_LDFLAGS"
PLUGIN_HSA_LIBS="-lhsa-runtime64 -lhsakmt"
PLUGIN_HSA_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$PLUGIN_HSA_CPPFLAGS $CPPFLAGS"
PLUGIN_HSA_save_LDFLAGS=$LDFLAGS
LDFLAGS="$PLUGIN_HSA_LDFLAGS $LDFLAGS"
PLUGIN_HSA_save_LIBS=$LIBS
LIBS="$PLUGIN_HSA_LIBS $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[#include "hsa.h"],
[hsa_status_t status = hsa_init ()])],
[PLUGIN_HSA=1])
CPPFLAGS=$PLUGIN_HSA_save_CPPFLAGS
LDFLAGS=$PLUGIN_HSA_save_LDFLAGS
LIBS=$PLUGIN_HSA_save_LIBS
case $PLUGIN_HSA in
hsa*)
HSA_PLUGIN=0
AC_MSG_ERROR([HSA run-time package required for HSA support])
;;
esac
;;
esac
;;
*-*-*)
PLUGIN_HSA=0
;;
esac
;;
*)
AC_MSG_ERROR([unknown offload target specified])
;;
esac
if test x"$tgt_name" = x; then
# Don't configure libgomp for this offloading target if we don't build
# the corresponding plugin.
continue
elif test x"$offload_targets" = x; then
offload_targets=$tgt_name
else
offload_targets=$offload_targets,$tgt_name
fi
if test "$tgt_name" = hsa; then
# Offloading compilation is all handled by the target compiler.
:
elif test x"$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 offload targets, separated by commas.])
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.])
AM_CONDITIONAL([PLUGIN_HSA], [test $PLUGIN_HSA = 1])
AC_DEFINE_UNQUOTED([PLUGIN_HSA], [$PLUGIN_HSA],
[Define to 1 if the HSA plugin is built, 0 if not.])
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