include(CMakeDependentOption) cmake内置,包含cmake_dependent_option方法。 include(CheckCXXCompilerFlag) cmake内置,包含CHECK_CXX_COMPILER_FLAG用于检查C++标准支持情况。 常用操作 A目录 CMakeLists.txt包含B目录 CMakeLists.txt 一般有二种方式,其
if test x$use_hardening != xno; then AX_CHECK_COMPILE_FLAG([-Wformat],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wformat"],[AC_MSG_ERROR(Cannot enable -Wformat)]) AX_CHECK_COMPILE_FLAG([-Wformat-security],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wformat-security"],[AC_MSG_ERROR(Cannot en...
CheckCSourceCompiles.cmake CheckCSourceRuns.cmake CheckCXXCompilerFlag.cmake CheckCXXSourceCompiles.cmake CheckCXXSourceRuns.cmake CheckCXXSymbolExists.cmake CheckCompilerFlag.cmake CheckForPthreads.c CheckFortranCompilerFlag.cmake CheckFortranFunctionExists.cmake CheckFortranSourceCompiles...
CMakeList.txt看起来如下：boostc++cmake Cmake cannot find Boost libraries 我是Cmake的新手，并...
我已经尝试使用set(CMAKE_REQUIRED_INCLUDES、sys/epoll.h)和一堆其他东西来强制使用cmake所需的标志。
CXXFLAGS += -Wno-implicit-fallthrough ifneq (10,$(if $(RIOT_VERSION),1,0)$(if $(__RIOTBUILD_FLAG),1,0)) # Provide a shallow sanity check. You cannot call `make` in a module directory. export __RIOTBUILD_FLAG := RIOT BOARD := $(strip $(BOARD)) APPLICATION := $(strip...
clang has __has_feature(cxx_exceptions) which checks for C++ // exceptions starting at clang r206352, but which checked for cleanups prior to // that. To reliably check for C++ exception availability with clang, check for // __EXCEPTIONS && __has_feature(cxx_exceptions)....
to Compaq C++ V6.0-005 do not have bool. */ # elif __DECCXX_VER < 60060005 # define Q_NO_BOOL_TYPE# endif /* Apart from Compaq, from the EDG documentation: _BOOL Definedin C++ mode when bool is a keyword. The name of this predefined macro is specified by a configuration flag...
QMAKE_CXXFLAGS += $$QMAKE_CFLAGS deviceSanityCheckCompiler() load(qt_config) And also 'qplatformdefs.h' file: /*** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). **Contact: http://www.qt-project.org/legal ** ** This file ispart of the qmake spec of...
If you compile with C++14 flag, then the header is “empty”: // MSVC 2019:// ...// ...#if _HAS_CXX17// <<!!#include<algorithm>// ... the rest#endif _HAS_CXX17// <<!! Similarly GCC and Clang also check if you compiler with the C++17 flag (or above). ...