# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
#
-# Copyright (C) 2014-2018 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
#
# Contributed by Mentor Embedded.
#
# 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])
+DL_LIBS=
+AC_SUBST(DL_LIBS)
+AC_CHECK_LIB(dl, dlsym, [DL_LIBS=-ldl], [plugin_support=no])
if test x"$plugin_support" = xyes; then
AC_DEFINE(PLUGIN_SUPPORT, 1,
[Define if all infrastructure, needed for plugins, is supported.])
AC_CHECK_FUNCS_ONCE(secure_getenv __secure_getenv getuid geteuid getgid getegid)
-# Look for the CUDA driver package.
-CUDA_DRIVER_INCLUDE=
-CUDA_DRIVER_LIB=
-AC_SUBST(CUDA_DRIVER_INCLUDE)
-AC_SUBST(CUDA_DRIVER_LIB)
-CUDA_DRIVER_CPPFLAGS=
-CUDA_DRIVER_LDFLAGS=
-AC_ARG_WITH(cuda-driver,
- [AS_HELP_STRING([--with-cuda-driver=PATH],
- [specify prefix directory for installed CUDA driver package.
- Equivalent to --with-cuda-driver-include=PATH/include
- plus --with-cuda-driver-lib=PATH/lib])])
-AC_ARG_WITH(cuda-driver-include,
- [AS_HELP_STRING([--with-cuda-driver-include=PATH],
- [specify directory for installed CUDA driver include files])])
-AC_ARG_WITH(cuda-driver-lib,
- [AS_HELP_STRING([--with-cuda-driver-lib=PATH],
- [specify directory for the installed CUDA driver library])])
-case "x$with_cuda_driver" in
- x | xno) ;;
- *) CUDA_DRIVER_INCLUDE=$with_cuda_driver/include
- CUDA_DRIVER_LIB=$with_cuda_driver/lib
- ;;
-esac
-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=
-PLUGIN_NVPTX_DYNAMIC=0
-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
-
-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.
+PLUGIN_GCN=0
+# Parse '--enable-offload-targets', figure out the corresponding libgomp
+# plugins, and configure to find the corresponding offload compilers.
+# 'offload_plugins' and 'offload_targets' will be populated in the same order.
+offload_plugins=
+offload_targets=
+AC_SUBST(offload_plugins)
+AC_SUBST(offload_targets)
offload_additional_options=
offload_additional_lib_paths=
AC_SUBST(offload_additional_options)
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=
+ tgt_plugin=
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 $PLUGIN_NVPTX in
- nvptx*)
- if test "x$CUDA_DRIVER_INCLUDE" = x \
- && test "x$CUDA_DRIVER_LIB" = x; then
- PLUGIN_NVPTX=1
- PLUGIN_NVPTX_CPPFLAGS='-I$(srcdir)/plugin/cuda'
- PLUGIN_NVPTX_LIBS='-ldl'
- PLUGIN_NVPTX_DYNAMIC=1
- else
- PLUGIN_NVPTX=0
- AC_MSG_ERROR([CUDA driver package required for nvptx support])
- fi
- ;;
+ case "${target}" in
+ aarch64*-*-* | powerpc64le-*-* | x86_64-*-*)
+ case "$ac_cv_sizeof_void_p" in
+ 4)
+ # PR libgomp/65099: Currently, we only support offloading in
+ # 64-bit configurations.
+ PLUGIN_NVPTX=0
+ ;;
+ *)
+ tgt_plugin=nvptx
+ PLUGIN_NVPTX=1
+ ;;
+ esac
+ ;;
+ *-*-*)
+ # Target architecture not supported.
+ PLUGIN_NVPTX=0
+ ;;
esac
;;
- hsa*)
+ amdgcn*)
case "${target}" in
x86_64-*-*)
- case " ${CC} ${CFLAGS} " in
- *" -m32 "*)
- PLUGIN_HSA=0
+ case "$ac_cv_sizeof_void_p" in
+ 4)
+ PLUGIN_GCN=0
;;
*)
- tgt_name=hsa
- PLUGIN_HSA=$tgt
- PLUGIN_HSA_CPPFLAGS=$HSA_RUNTIME_CPPFLAGS
- PLUGIN_HSA_LDFLAGS="$HSA_RUNTIME_LDFLAGS"
- PLUGIN_HSA_LIBS="-ldl"
-
- PLUGIN_HSA_save_CPPFLAGS=$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 $LIBS"
-
- PLUGIN_HSA=1
- CPPFLAGS=$PLUGIN_HSA_save_CPPFLAGS
- LDFLAGS=$PLUGIN_HSA_save_LDFLAGS
- LIBS=$PLUGIN_HSA_save_LIBS
- case $PLUGIN_HSA in
- hsa*)
- HSA_PLUGIN=0
- AC_MSG_ERROR([HSA run-time package required for HSA support])
- ;;
- esac
+ tgt_plugin=gcn
+ PLUGIN_GCN=1
;;
esac
- ;;
+ ;;
*-*-*)
- PLUGIN_HSA=0
- ;;
- esac
- ;;
+ PLUGIN_GCN=0
+ ;;
+ esac
+ ;;
*)
AC_MSG_ERROR([unknown offload target specified])
;;
esac
- if test x"$tgt_name" = x; then
- # Don't configure libgomp for this offloading target if we don't build
- # the corresponding plugin.
+ if test x"$tgt_plugin" = x; then
+ # Not configuring libgomp for this offload target if we're not building
+ # the corresponding offload plugin.
continue
- elif test x"$offload_targets" = x; then
- offload_targets=$tgt_name
+ elif test x"$offload_plugins" = x; then
+ offload_plugins=$tgt_plugin
+ offload_targets=$tgt
else
- offload_targets=$offload_targets,$tgt_name
+ offload_plugins=$offload_plugins,$tgt_plugin
+ offload_targets=$offload_targets,$tgt
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$tgt_dir/bin"
+ # Configure additional search paths.
+ if test x"$tgt_dir" != x; then
+ offload_additional_options="$offload_additional_options -B$tgt_dir/\$(libexecdir:\$(exec_prefix)/%=%)/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)"
fi
done
fi
-AC_DEFINE_UNQUOTED(OFFLOAD_TARGETS, "$offload_targets",
- [Define to offload targets, separated by commas.])
+AC_DEFINE_UNQUOTED(OFFLOAD_PLUGINS, "$offload_plugins",
+ [Define to offload plugins, 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.])
-AC_DEFINE_UNQUOTED([PLUGIN_NVPTX_DYNAMIC], [$PLUGIN_NVPTX_DYNAMIC],
- [Define to 1 if the NVIDIA plugin should dlopen libcuda.so.1, 0 if it should be linked against it.])
-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.])
-
-if test "$HSA_RUNTIME_LIB" != ""; then
- HSA_RUNTIME_LIB="$HSA_RUNTIME_LIB/"
-fi
-
-AC_DEFINE_UNQUOTED([HSA_RUNTIME_LIB], ["$HSA_RUNTIME_LIB"],
- [Define path to HSA runtime.])
+AM_CONDITIONAL([PLUGIN_GCN], [test $PLUGIN_GCN = 1])
projects / thirdparty / gcc.git / blobdiff