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## ************************************************************************************************
##
## BornAgain: simulate and fit reflection and scattering
##
##! @file cmake/BornAgain/Linux.cmake
##! @brief Set variables and compiler flags for Linux.
##!
##! @homepage http://www.bornagainproject.org
##! @license GNU General Public License v3 or higher (see COPYING)
##! @copyright Forschungszentrum Jülich GmbH 2024
##! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
##
## ************************************************************************************************
#... Set architecture variables
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL x86_64)
set(BA_ARCHITECTURE linux_x64)
else()
set(BA_ARCHITECTURE "linux_${CMAKE_SYSTEM_PROCESSOR}")
endif()
#... Set compile options
set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # generate compile_commands.json, used by code analysis tools
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
set(CMAKE_CXX_FLAGS_DEBUG "-g3")
if(GCC)
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -O0") # was longtime -Og
else()
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -O0") # was longtime -O2
endif()
string(APPEND CMAKE_CXX_FLAGS " -I${CMAKE_SOURCE_DIR}/Wrap -pipe ${BIT_ENVIRONMENT}")
string(APPEND CMAKE_CXX_FLAGS " -Wall -W -Woverloaded-virtual -Wno-unknown-pragmas -fPIC")
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
string(APPEND CMAKE_CXX_FLAGS " -Wno-restrict") # under g++ -std=c++20, warnings from <string>
endif()
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined")
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