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allow installation on RHEL 7

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This commit is contained in:
conrad
2023-02-12 14:58:16 +10:00
parent a0ed5d03ee
commit 040f26d28a
1 changed files with 17 additions and 13 deletions
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CMakeLists.txt
+17 -13
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@@ -28,18 +28,22 @@
## NOTE: More details: http://arma.sourceforge.net/faq.html
cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
if(POLICY CMP0025)
# enable differentiation between vanilla Clang and AppleClang
cmake_policy(SET CMP0025 NEW)
message(STATUS "*** set cmake policy CMP0025 to NEW")
if(NOT (${CMAKE_MAJOR_VERSION} LESS 3))
if(POLICY CMP0025)
# enable differentiation between vanilla Clang and AppleClang
cmake_policy(SET CMP0025 NEW)
message(STATUS "*** set cmake policy CMP0025 to NEW")
endif()
endif()
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
message(STATUS "CMAKE_CXX_STANDARD = ${CMAKE_CXX_STANDARD}")
if(NOT (CMAKE_VERSION VERSION_LESS "3.1"))
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
message(STATUS "CMAKE_CXX_STANDARD = ${CMAKE_CXX_STANDARD}")
endif()
project(armadillo CXX C)
include(CheckIncludeFileCXX)
@@ -89,12 +93,12 @@ endif()
if(DEFINED CMAKE_CXX_COMPILER_ID AND DEFINED CMAKE_CXX_COMPILER_VERSION)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(NOT (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 6.1.0))
if(NOT (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4.8.3))
set(ARMA_USE_EXTERN_RNG true)
message(STATUS "Detected gcc 6.1.0 or later")
message(STATUS "Detected gcc 4.8.3 or later")
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
message(STATUS "Added '-std=c++14' to compiler flags")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
message(STATUS "Added '-std=c++11' to compiler flags")
endif()
else()
message(FATAL_ERROR "Compiler too old")