configfrag.ac revision 1.1.1.1.4.2 1 # Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
2 #
3 # Copyright (C) 2014-2017 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.])
267