string(FIND${var1}"targetPattern"foundResultIndex)if(${foundResultIndex}GREATER_EQUAL0)endif() string(LENGTH <string> )
比如: IF("hello" MATCHES "ell") MESSAGE("true") ENDIF("hello" MATCHES "ell")IF(variable LESS number) IF(string LESS number) IF(variable GREATER number) IF(string GREATER number) IF(variable EQUAL number) IF(string EQUAL number) #数字比较表达式 IF(variable STRLESS string) IF(string STRL...
list(JOIN MY_LIST ", " JOINED_STRING) 分割字符串为列表(string(REPLACE ...)与list(APPEND ...)结合使用): string(REPLACE "," ";" MY_LIST "${SOME_STRING}") 查找元素(list(FIND ...)): list(FIND MY_LIST "item1" INDEX) 反转列表(list(REVERSE ...)): list(REVERSE MY_LIST) 排序列...
/home/user/cmake-recipes/chapter-04/recipe-05/cxx-example/build/Testing/Temporary/MemoryChecker.*.log Memory checking results: Memory Leak - 1 作为最后一步,你应该尝试修复内存泄漏,并验证ctest -T memcheck报告没有错误。 工作原理 我们使用find_program(MEMORYCHECK_COMMAND NAMES valgrind)来查找 Valgrin...
std::string uuid_cxx(uuid_str); return uuid_cxx; } #else std::string getUUID() { return "Ooooops, no UUID for you!"; } #endif 最后,示例hello-world.cpp可执行文件如下: 代码语言:javascript 复制 #include <cstdlib> #include <iostream> ...
{ "stringFromJNI", "()Ljava/lang/String;", (void *) native_stringFromJNI }, { "sum", "(II)I", (void *) native_sum } }; static int registerNatives(JNIEnv *env) { LOGI("registerNatives begin"); jclass clazz; //找到java的类 clazz = env->FindClass("com/aruba/ndkapplication/...
cmake_minimum_required(VERSION 3.5)#设置CMAKE_CXX_FLAGS变量,强制写入缓存#类似的,C编译器设置 CMAKE_C_FLAGS#链接标记设置 CMAKE_LINKER_FLAGSset (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DEX2" CACHE STRING "Set C++ Compiler Flags" FORCE)#Set the project nameproject (compile_flags)#Add an ex...
sourceDirectoryA string or array of strings specifying the directory or directories withCMakeLists.txt. Macros (such as${workspaceRoot}) are allowed. Relative paths are based on the workspace root. Directories outside of the current workspace are ignored. ...
string cascadeName; public: Face_detect(string casfile1,int scale1=1,bool tryflip1=true){ cascadeName =casfile1; scale =scale1; tryflip =tryflip1; } int init(){ if (!cascade.load(samples::findFile(cascadeName))) { cerr << "ERROR: Could not load classifier cascade" << endl; ...
#SET(CMAKE_BUILD_TYPE:STRING "Debug") 设置默认的构建类型为 Debug。在 Debug 模式下,程序会包含调试信息,但不会进行优化,便于开发者调试。 SET(CMAKE_CXX_FLAGS_DEBUG "$ENV{CXXFLAGS} -O0 -Wall -g2 -ggdb -FPIC") 设置在 Debug 模式下的 C++ 编译器标志: $ENV{CXXFLAGS}:使用环境变量 CXXFL...