我的项目中有两个名为 Test4
的文件:
结构.h
结构.c
我想创建一个静态库,其他想要使用这些文件的项目可以加载该库。这是我目前的 CMake 文件:
cmake_minimum_required(VERSION 3.6)
project(Test4)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
set(SOURCE_FILES Structure.c Structure.h)
add_library(Test4 STATIC ${SOURCE_FILES})
当我使用该 CMake 文件构建时,不会生成静态库。什么都没发生。我做错了吗?
我正在使用 CLion IDE。
最佳答案
add_library 行应该是您所需要的。请参阅我刚刚编写的示例代码,以测试创建一个然后使用它(在 Ubuntu 16.04 上):
结构.h:
int sum( int a, int b );
结构.c:
int sum( int a, int b ) {
return a + b;
}
Main.c:
#include <stdio.h>
#include "Structure.h"
int main() {
int a = 5;
int b = 8;
int c = sum( a, b );
printf( "sum of %d and %d is %d\n", a, b, c );
return 0;
}
CMakeLists.txt:
# CMake instructions to make the static lib
ADD_LIBRARY( MyStaticLib STATIC
Structure.c )
# CMake instructions to test using the static lib
SET( APP_EXE StaticTest )
ADD_EXECUTABLE( ${APP_EXE}
Main.c )
TARGET_LINK_LIBRARIES( ${APP_EXE}
MyStaticLib )
然后这是运行它的输出:
nick@dusseldorf:~/code/cmake/static_lib$ ls
CMakeLists.txt Main.c Structure.c Structure.h
nick@dusseldorf:~/code/cmake/static_lib$ cmake .
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/nick/code/cmake/static_lib
nick@dusseldorf:~/code/cmake/static_lib$ ls
CMakeCache.txt CMakeFiles cmake_install.cmake CMakeLists.txt Main.c Makefile Structure.c Structure.h
nick@dusseldorf:~/code/cmake/static_lib$ make
Scanning dependencies of target MyStaticLib
[ 25%] Building C object CMakeFiles/MyStaticLib.dir/Structure.c.o
[ 50%] Linking C static library libMyStaticLib.a
[ 50%] Built target MyStaticLib
Scanning dependencies of target StaticTest
[ 75%] Building C object CMakeFiles/StaticTest.dir/Main.c.o
[100%] Linking C executable StaticTest
[100%] Built target StaticTest
nick@dusseldorf:~/code/cmake/static_lib$ ls
CMakeCache.txt cmake_install.cmake libMyStaticLib.a Makefile Structure.c
CMakeFiles CMakeLists.txt Main.c StaticTest Structure.h
nick@dusseldorf:~/code/cmake/static_lib$ ./StaticTest
sum of 5 and 8 is 13
https://stackoverflow.com/questions/43772887/
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