# Plugins for offload execution, configure.ac fragment. -*- mode: autoconf -*-
#
-# Copyright (C) 2014-2022 Free Software Foundation, Inc.
+# Copyright (C) 2014-2024 Free Software Foundation, Inc.
#
# Contributed by Mentor Embedded.
#
# <http://www.gnu.org/licenses/>.
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=no
- CUDA_DRIVER_LIB=no
- ;;
- *) 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$CUDA_DRIVER_INCLUDE" != x \
- && test "x$CUDA_DRIVER_INCLUDE" != xno; then
- CUDA_DRIVER_CPPFLAGS=-I$CUDA_DRIVER_INCLUDE
-fi
-if test "x$CUDA_DRIVER_LIB" != x \
- && test "x$CUDA_DRIVER_LIB" != xno; then
- CUDA_DRIVER_LDFLAGS=-L$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)
-
PLUGIN_GCN=0
-PLUGIN_GCN_LIBS=
-AC_SUBST(PLUGIN_GCN)
-AC_SUBST(PLUGIN_GCN_LIBS)
-
# 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.
tgt=`echo $tgt | sed 's/=.*//'`
tgt_plugin=
case $tgt in
- *-intelmic-* | *-intelmicemul-*)
- tgt_plugin=intelmic
- ;;
nvptx*)
case "${target}" in
aarch64*-*-* | powerpc64le-*-* | x86_64-*-*)
;;
*)
tgt_plugin=nvptx
- PLUGIN_NVPTX=$tgt
- if test "x$CUDA_DRIVER_LIB" != xno \
- && test "x$CUDA_DRIVER_LIB" != xno; then
- PLUGIN_NVPTX_CPPFLAGS=$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
- fi
- case $PLUGIN_NVPTX in
- nvptx*)
- if (test "x$CUDA_DRIVER_INCLUDE" = x \
- || test "x$CUDA_DRIVER_INCLUDE" = xno) \
- && (test "x$CUDA_DRIVER_LIB" = x \
- || test "x$CUDA_DRIVER_LIB" = xno); then
- PLUGIN_NVPTX=1
- PLUGIN_NVPTX_LIBS='-ldl'
- PLUGIN_NVPTX_DYNAMIC=1
- else
- PLUGIN_NVPTX=0
- AC_MSG_ERROR([CUDA driver package required for nvptx support])
- fi
- ;;
- esac
+ PLUGIN_NVPTX=1
;;
esac
;;
;;
*)
tgt_plugin=gcn
- PLUGIN_GCN=$tgt
- PLUGIN_GCN_LIBS="-ldl"
PLUGIN_GCN=1
;;
esac
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_GCN], [test $PLUGIN_GCN = 1])
-AC_DEFINE_UNQUOTED([PLUGIN_GCN], [$PLUGIN_GCN],
- [Define to 1 if the GCN plugin is built, 0 if not.])