C语言 错误：cuda_runtime.h：没有那个文件或目录
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error: cuda_runtime.h: No such file or directory
提问by skrieder
How can I force gcc to look in /usr/cuda/local/include for cuda_runtime.h?
如何强制 gcc 在 /usr/cuda/local/include 中查找 cuda_runtime.h？
I'm attempting to compile a CUDA application with a C wrapper. I'm running Ubuntu 10.04.
我正在尝试使用 C 包装器编译 CUDA 应用程序。我正在运行 Ubuntu 10.04。
I've successfully compiled my CUDA application into a .so with the following command:
我已使用以下命令成功地将我的 CUDA 应用程序编译为 .so：
nvcc -arch=sm_11 -o libtest.so --shared -Xcompiler -fPIC main.cu
When I try and compile my c wrapper file with the following command:
当我尝试使用以下命令编译我的 c 包装文件时：
gcc -std=c99 -o main -L. -ltest main.c
I receive the error:
我收到错误：
error: cuda_runtime.h: No such file or directory
I've verified that cuda_runtime.h is in fact present in /usr/local/cuda/include
我已经验证 cuda_runtime.h 实际上存在于 /usr/local/cuda/include
回答by skrieder
Using an -I switch allowed gcc to find the cuda_runtime.h file:
使用 -I 开关允许 gcc 找到 cuda_runtime.h 文件：
gcc -std=c99 -I/usr/local/cuda/include -o main -L. -ltest main.c
回答by Alex Punnen
If you are using CMake
如果您正在使用 CMake
find_package(CUDA REQUIRED)
include_directories("${CUDA_INCLUDE_DIRS}")
回答by Vidhu
Add -isystem /usr/local/cuda-8.0/includeto CXX_INCLUDES in flags.make file.
添加-isystem /usr/local/cuda-8.0/include到 flags.make 文件中的 CXX_INCLUDES。
回答by Yamaneko
We were using CMake but it still wasn't able to find the header files (maybe it is the CMake version that couldn't find the directory ./targets/x86_64-linux/includeor because we have multiple CUDA versions). Setting CPATHand LD_LIBRARY_PATHfixed it for us:
我们正在使用 CMake 但它仍然无法找到头文件（可能是 CMake 版本找不到目录，./targets/x86_64-linux/include或者因为我们有多个 CUDA 版本）。为我们设置CPATH和LD_LIBRARY_PATH修复它：
export CPATH=/usr/local/cuda-10.1/targets/x86_64-linux/include:$CPATH
export LD_LIBRARY_PATH=/usr/local/cuda-10.1/targets/x86_64-linux/lib:$LD_LIBRARY_PATH
export PATH=/usr/local/cuda-10.1/bin:$PATH
