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Update cmake config to require a compiler that supports C++11 

fixes #12537
This commit is contained in:
Gunnar Beutner 2016-08-25 05:14:13 +02:00
parent 376e83bd06
commit bdaf02295f
1 changed files with 10 additions and 29 deletions
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39
CMakeLists.txt
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@ -235,42 +235,23 @@ if(HAVE_LIBEXECINFO)
set(HAVE_BACKTRACE_SYMBOLS TRUE)
endif()
set(_ICINGA2_CXX11 OFF)
include(CheckCXXCompilerFlag)
if(UNIX)
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-std=c++11" CXX_FLAG_CXX11)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
exec_program(${CMAKE_CXX_COMPILER}
ARGS -dumpversion
OUTPUT_VARIABLE _ICINGA2_COMPILER_VERSION
)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
exec_program(${CMAKE_CXX_COMPILER}
ARGS -dumpversion
OUTPUT_VARIABLE _ICINGA2_COMPILER_VERSION
)
if("${_ICINGA2_COMPILER_VERSION}" VERSION_LESS "4.7.0")
message(STATUS "Your version of GCC is too old for building Icinga 2 in C++11 mode.")
set(CXX_FLAG_CXX11 OFF)
endif()
endif()
if(CXX_FLAG_CXX11)
set(_ICINGA2_CXX11 ON)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
check_cxx_compiler_flag("-Wno-inconsistent-missing-override" CXX_FLAG_NO_OVERRIDE_WARNING)
if(CXX_FLAG_NO_OVERRIDE_WARNING)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override")
if("${_ICINGA2_COMPILER_VERSION}" VERSION_LESS "4.6.0")
message(FATAL_ERRORSTATUS "Your version of GCC is too old for building Icinga 2 (GCC >= 4.6.0 is required).")
endif()
endif()
if(NOT MSVC)
set(CXX_FEATURE_OVERRIDE OFF)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
if(_ICINGA2_CXX11)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("class Base { public: virtual void test(void) { } }; class Derived : public Base { virtual void test(void) override { } }; int main(){}" CXX_FEATURE_OVERRIDE)
endif()
check_cxx_source_compiles("class Base { public: virtual void test(void) { } }; class Derived : public Base { virtual void test(void) override { } }; int main(){}" CXX_FEATURE_OVERRIDE)
if(NOT CXX_FEATURE_OVERRIDE)
add_definitions("-Doverride=")