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cmake: using c++ standard for g++

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zdenop 2019-06-01 19:59:45 +02:00 committed by Stefan Weil
parent b9a31eca37
commit 5e62d02230
1 changed files with 12 additions and 6 deletions
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14
CMakeLists.txt
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@ -8,7 +8,7 @@
#
###############################################################################
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
# In-source builds are disabled.
if ("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
@ -95,6 +95,15 @@ elseif(cxx_std_14 IN_LIST known_features)
else() # minimum required standard
set(CMAKE_CXX_STANDARD 11)
endif()
# workaround for bad info in CMAKE_CXX_KNOWN_FEATURES for g++ 4.8.4
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
set(CMAKE_CXX_STANDARD 11)
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "6.1.0")
set(CMAKE_CXX_STANDARD 14)
endif()
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
@ -131,9 +140,6 @@ if (CYGWIN)
endif()
if (UNIX)
# Hack for old cmake / compiler in Ubuntu Trusty.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11")
if (NOT ANDROID)
set(LIB_pthread pthread)
endif()