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From f9e3c712fe23a9cb661c998fc4fd14e7e5d641f5 Mon Sep 17 00:00:00 2001
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From: Luis Diaz Mas <piponazo@gmail.com>
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Date: Thu, 17 Aug 2017 22:40:50 +0200
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Subject: Simplify compiler info handling in CMake
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(cherry picked from commit 69fb40fdc6d5797d10a025b9f5123978dda3bfa4)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index f2103c44..e49fb78b 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -67,8 +67,8 @@ ENDIF()
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# set include path for FindXXX.cmake files
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/config/")
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-IF( MINGW OR UNIX )
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- IF ( CMAKE_CXX_COMPILER STREQUAL "g++" OR CMAKE_C_COMPILER STREQUAL "gcc" )
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+if( MINGW OR UNIX )
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+ if (${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
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ADD_DEFINITIONS(-Wall
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-Wcast-align
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-Wpointer-arith
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@@ -79,18 +79,8 @@ IF( MINGW OR UNIX )
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)
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ENDIF()
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- execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE COMPILER_VERSION)
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- string(REGEX MATCHALL "[a-z\+]+" GCC_COMPILER_COMPONENTS ${COMPILER_VERSION})
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- list(GET GCC_COMPILER_COMPONENTS 0 COMPILER)
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-
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- execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
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- string(REGEX MATCHALL "[0-9]+" GCC_VERSION_COMPONENTS ${GCC_VERSION})
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- list(GET GCC_VERSION_COMPONENTS 0 GCC_MAJOR)
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- list(GET GCC_VERSION_COMPONENTS 1 GCC_MINOR)
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-
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- message(STATUS Compiler: ${COMPILER} " Major:" ${GCC_MAJOR} " Minor:" ${GCC_MINOR})
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-
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- IF ( CYGWIN OR ( ${GCC_MAJOR} GREATER 5 ))
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+ message(STATUS "Compiler info: ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) ; version: ${CMAKE_CXX_COMPILER_VERSION}")
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+ IF ( CYGWIN OR (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.0))
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ADD_DEFINITIONS( -std=gnu++98 ) # to support snprintf
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ELSE()
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ADD_DEFINITIONS( -std=c++98 )
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