check_source_compiles / check_c_source_compiles / check_cxx_source_compiles 尝试仅编译一段代码来生成可执行程序,从而检测编译器是否支持代码中的某些语言特性。原型为: check_source_compiles(<lang> <code> <resultVar> [FAIL_REGEX <regex1> [<regex2>..
问设置外部库后，强制cmake重新运行CHECK_CXX_SOURCE_COMPILESEN使用CMake，我想检查来自OpenCV库的特定...
问为什么CMAKE_CXX_STANDARD似乎不适用于check_cxx_source_compilesENApriori是Agarwal和Srikant在1994年...
target_compile_options(myLib PRIVATE -fPIC) # 目标级 add_compile_options(-fPIC) # 全局级 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fpic") # 全局级 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpic") set_property(TARGET lib1 PROPERTY POSITION_INDEPENDENT_CODE ON) # 独立于编译器,目标...
cmake [options] -S <path-to-source> -B <path-to-build> Specify a source directory to (re-)generate a build system for it in the current working directory. Specify an existing build directory to re-generate its build system. Options ...
SET(CMAKE_C_COMPILER g++) add_compile_options(-std=c++11) # 项目信息 project (server) # 查找当前目录下的所有源文件,并将名称保存到 DIR_SRCS 变量 aux_source_directory(. DIR_SRCS) # 添加第三方的库 set(INC_DIR /usr/local/include/) #用全路径 ...
cmake -S . -B build -G "Visual Studio 16 2019" -DCMAKE_INSTALL_PREFIX=/path/to/install/ cmake --build build --config Release cmake --build build --target test cmake --build build --target install 注意对于MSVC,在构建时指定模式是无效的,需要在编译时指定模式--config Release。
check_c_source_compiles( "#if defined (__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ <= 1)) # error Please fail. #endif __attribute__((visibility(\"default\"))) int x = 0; __attribute__((visibility(\"default\"))) int foo(); int ...
CHECK_C_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>])<code> - source code to try to compile, must define'main'<var> -variable to store whether the source code compiled Will be created as an internal cache variable.<fail-regex> - failiftest output matches this regex ...
CHECK_C_SOURCE_COMPILES(" typedef long double vlongdouble __attribute__((vector_size(sizeof(long double)*2))); vlongdouble vcast_vl_l(long double d) { return (vlongdouble) { d, d }; } int main() { vlongdouble vld = vcast_vl_l(0); }" COMPILER_SUPPORTS_LONG_DOUBLE) ...