问题描述
在编译dartnet的时候设置GPU=1的时候编译出现错误：
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compilation terminated due to -Wfatal-errors.
Makefile:91: recipe for target 'obj/crop_layer_kernels.o' failed
make: *** [obj/crop_layer_kernels.o] Error 1
/usr/include/string.h: In function ‘void* __mempcpy_inline(void*, const void*, size_t)’:
/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope
return (char *) memcpy (__dest, __src, __n) + __n;
^
compilation terminated due to -Wfatal-errors.
Makefile:91: recipe for target 'obj/avgpool_layer_kernels.o' failed
make: *** [obj/avgpool_layer_kernels.o] Error 1
/usr/include/string.h: In function ‘void* __mempcpy_inline(void*, const void*, size_t)’:
/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope
return (char *) memcpy (__dest, __src, __n) + __n;
^
compilation terminated due to -Wfatal-errors.
Makefile:91: recipe for target 'obj/blas_kernels.o' failed
make: *** [obj/blas_kernels.o] Error 1
解决办法：
1.正确安装cuda，并设置cuda路径 2.Makefile中添加NVCC += -D_FORCE_INLINES 例如：
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ifeq ($(GPU), 1)
NVCC += -D_FORCE_INLINES
COMMON+= -DGPU -I/usr/local/cuda/include/
CFLAGS+= -DGPU
LDFLAGS+= -L/usr/local/cuda/lib64 -lcuda -lcudart -lcublas -lcurand
endif