Describe the bug Incomprehensible error message that explains nothing: ERROR: We evaluated the cmake variable '' to an empty string, which is not a valid path to an executable To Reproduce Root meson.build file: cmake = import('cmake') d...
# This command uses a string with escaped quote chars foo(some_arg some_arg "This is a \"string\" within a string") # This command uses an empty string foo(some_arg some_arg "") # This command uses a multiline string foo(some_arg some_arg " This string is on multiple lines ")...
# because MSVC requires that the test project use the same build type as gflags, # which would normally be built in Release. # # Defines: GFLAGS_NAMESPACE in the caller's scope with the detected namespace, # which is blank (empty string, will test FALSE is CMake conditionals) ...
我们首先设置所需的标准,然后调用test_run(),并将收集的信息打印给用户: chapter03/08-test_run/CMakeLists.txt 代码语言:javascript 复制 set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) try_run(run_result compile_result ${CMAKE_BINARY_DIR}/test_out...
# 1、明确指定包含哪些源文件 add_library(demo demo.cpp test.cpp util.cpp) # 2、发现一个目录下所有的源代码文件并将列表存储在一个变量中 aux_source_directory(dir VAR) # exp:搜索当前目录下的所有.cpp文件 aux_source_directory(. SRC_LIST) add_library(demo ${SRC_LIST}) # 3、自定义搜索规则...
ADD_EXECUTABLE(${FS_BUILD_BINARY_PREFIX}sqrt ${TEST_MATH}) #add link library TARGET_LINK_LIBRARIES(${FS_BUILD_BINARY_PREFIX}sqrt ${LIBRARIES}) 这是一个测试数学函数的程序的CMakeLists.txt,"#"后面为注释的内容,CMake的命令全部为大写
command(${Foo}) # unquoted arg replaced by empty string # and expands to zero arguments command("${Foo}") # quoted arg value is empty string 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. CMake 可直接访问 环境变量、Windows注册表值
[APPEND_STRING] PROPERTY <name> [value1 [value2 ...]]) get_property(<variable> <GLOBAL | DIRECTORY [dir] | TARGET <target> | SOURCE | TEST <test> | CACHE <entry> | VARIABLE> PROPERTY <name> [SET | DEFINED | BRIEF_DOCS | FULL_DOCS]) add_subdirectory(source_dir [binary_dir...
第2行指定生成的工程名为test_math 第4行指定头文件目录为include 第8行指定源文件目录为src,并将其赋值给环境变量DIR_SRCS 第10行设定环境变量TEST_MATH的值为环境变量DIR_SRCS的值,此处用于显示如何用环境变量对环境变量进行赋值 第14行将数学函数库赋值给环境变量LIBRARIES,当然,可以不用这个环境变量,而在后面直...
ADD_EXECUTABLE(${FS_BUILD_BINARY_PREFIX}sqrt ${TEST_MATH}) #add link library TARGET_LINK_LIBRARIES(${FS_BUILD_BINARY_PREFIX}sqrt ${LIBRARIES}) 这是一个测试数学函数的程序的CMakeLists.txt,"#"后面为注释的内容,CMake的命令全部为大写第...