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libgomp nvptx plugin: Split 'PLUGIN_NVPTX_DYNAMIC' into 'PLUGIN_NVPTX_INCLUDE_SYSTEM_CUDA_H' and 'PLUGIN_NVPTX_LINK_LIBCUDA'

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Including the GCC-shipped 'include/cuda/cuda.h' vs. system <cuda.h> and
'dlopen'ing the CUDA Driver library vs. linking it are separate concerns.

	libgomp/
	* plugin/Makefrag.am: Handle 'PLUGIN_NVPTX_DYNAMIC'.
	* plugin/configfrag.ac (PLUGIN_NVPTX_DYNAMIC): Change
	'AC_DEFINE_UNQUOTED' into 'AM_CONDITIONAL'.
	* plugin/plugin-nvptx.c: Split 'PLUGIN_NVPTX_DYNAMIC' into
	'PLUGIN_NVPTX_INCLUDE_SYSTEM_CUDA_H' and
	'PLUGIN_NVPTX_LINK_LIBCUDA'.
	* Makefile.in: Regenerate.
	* config.h.in: Likewise.
	* configure: Likewise.
This commit is contained in:
Thomas Schwinge
2022-04-07 23:10:16 +02:00
parent edbd2b1caa
commit cd644ce8be
6 changed files with 52 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libgomp/plugin/Makefrag.am
+15 -1
View File
@@ -35,8 +35,22 @@ libgomp_plugin_nvptx_la_CPPFLAGS = $(AM_CPPFLAGS) $(PLUGIN_NVPTX_CPPFLAGS)
libgomp_plugin_nvptx_la_LDFLAGS = $(libgomp_plugin_nvptx_version_info) \
$(lt_host_flags)
libgomp_plugin_nvptx_la_LDFLAGS += $(PLUGIN_NVPTX_LDFLAGS)
libgomp_plugin_nvptx_la_LIBADD = libgomp.la $(PLUGIN_NVPTX_LIBS)
libgomp_plugin_nvptx_la_LIBADD = libgomp.la
libgomp_plugin_nvptx_la_LIBTOOLFLAGS = --tag=disable-static
# Including the GCC-shipped 'include/cuda/cuda.h' vs. system <cuda.h>.
if PLUGIN_NVPTX_DYNAMIC
else
libgomp_plugin_nvptx_la_CPPFLAGS += -DPLUGIN_NVPTX_INCLUDE_SYSTEM_CUDA_H
endif
# 'dlopen'ing the CUDA Driver library vs. linking it.
if PLUGIN_NVPTX_DYNAMIC
libgomp_plugin_nvptx_la_LIBADD += $(PLUGIN_NVPTX_LIBS)
else
libgomp_plugin_nvptx_la_CPPFLAGS += -DPLUGIN_NVPTX_LINK_LIBCUDA
libgomp_plugin_nvptx_la_LIBADD += $(PLUGIN_NVPTX_LIBS)
endif
endif
if PLUGIN_GCN
libgomp/plugin/configfrag.ac
+1 -2
View File
@@ -219,6 +219,5 @@ fi
AC_DEFINE_UNQUOTED(OFFLOAD_PLUGINS, "$offload_plugins",
[Define to offload plugins, separated by commas.])
AM_CONDITIONAL([PLUGIN_NVPTX], [test $PLUGIN_NVPTX = 1])
AC_DEFINE_UNQUOTED([PLUGIN_NVPTX_DYNAMIC], [$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_NVPTX_DYNAMIC], [test $PLUGIN_NVPTX_DYNAMIC = 1])
AM_CONDITIONAL([PLUGIN_GCN], [test $PLUGIN_GCN = 1])
libgomp/plugin/plugin-nvptx.c
+2 -2
View File
@@ -41,7 +41,7 @@
#include "oacc-int.h"
#include <pthread.h>
#if PLUGIN_NVPTX_DYNAMIC
#ifndef PLUGIN_NVPTX_INCLUDE_SYSTEM_CUDA_H
# include "cuda/cuda.h"
#else
# include <cuda.h>
@@ -85,7 +85,7 @@ CUresult cuOccupancyMaxPotentialBlockSize(int *, int *, CUfunction,
#define DO_PRAGMA(x) _Pragma (#x)
#if PLUGIN_NVPTX_DYNAMIC
#ifndef PLUGIN_NVPTX_LINK_LIBCUDA
# include <dlfcn.h>
struct cuda_lib_s {