initial setup

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.12)
+set(CMAKE_CXX_STANDARD 17)
+project(aare 
+    VERSION 0.1
+    DESCRIPTION "Data processing library for PSI detectors"
+    HOMEPAGE_URL "https://github.com/slsdetectorgroup/aare"
+    LANGUAGES C CXX 
+)
+# cmake_policy(SET CMP0135 NEW)
+
+# include(GNUInstallDirs)
+
+# include(cmake/helpers.cmake)
+# default_build_type("Debug")]
+
+set(CMAKE_BUILD_TYPE "Debug")
+
+if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+    set(OPTIMIZATION_FLAGS "-Og -ggdb3")
+else()
+    set(OPTIMIZATION_FLAGS "-O3")
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+option(USE_SANITIZER "Sanitizers for debugging" ON)
+option(DISABLE_WARNINGS "Disbale compilation warnings" OFF)
+# option(USE_TESTS "Unit tests" OFF)
+# option(USE_PYTHON "Python bindings" OFF)
+# option(TUNE_LOCAL "Tune to exact CPU architecture" OFF)
+# option(BUILD_EXAMPLES "Build examples" OFF)
+# option(DISABLE_LTO "Disable Link Time Optimizations" OFF)
+
+
+# if(NOT APPLE)
+#     set(CMAKE_INSTALL_RPATH $ORIGIN)
+# endif()
+
+set(OPTIONAL_FLAGS "")
+if(DISABLE_WARNINGS)
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -Wall -Wextra -pedantic -Wno-unused-parameter -Wshadow -Wformat=2 -Wold-style-cast -Wnon-virtual-dtor  -Wfloat-equal -Wconversion -Wlogical-op -Wshift-overflow=2 -Woverloaded-virtual -Winline")
+endif()
+
+if(USE_SANITIZER)
+    set(OPTIONAL_FLAGS "${OPTIONAL_FLAGS} -fdiagnostics-parseable-fixits -fdiagnostics-generate-patch
+                         -fdiagnostics-show-template-tree -fsanitize=address,undefined -fno-sanitize-recover
+                         -D_FORTIFY_SOURCE=2 -fstack-protector")
+endif()
+
+# if(TUNE_LOCAL)
+#     if(UNIX AND NOT APPLE)
+#         message(STATUS "unix")
+#         set(ARCH_FLAGS )
+#         target_compile_options(project_options INTERFACE -mtune=native -march=native )
+#     elseif(APPLE)
+#         message(STATUS "compiling for apple")
+#         target_compile_options(project_options INTERFACE -mtune=apple-m1 -mcpu=apple-m1 )
+#     endif()
+#     # 
+# endif()
+
+if 
+set(CMAKE_CXX_FLAGS  "")
+
+
+#Enable LTO if available
+include(CheckIPOSupported)
+check_ipo_supported(RESULT LTO_AVAILABLE)
+if((CMAKE_BUILD_TYPE STREQUAL "Release") AND  LTO_AVAILABLE)
+    message(STATUS "Building with link time optimization")
+else()
+    message(STATUS "Building without link time optimization")
+endif()
+
+add_executable(aare)
+
+add_subdirectory(src)

cmake/helpers.cmake

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+function(default_build_type val)
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "No build type selected, default to Release")
+  set(CMAKE_BUILD_TYPE ${val} CACHE STRING "Build type (default ${val})" FORCE)
+endif()
+endfunction()

src/CMakeLists.txt

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+add_subdirectory(file_io)
+add_subdirectory(models)
+add_subdirectory(processing)
+
+target_include_directories(aare PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_sources(aare PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp)

src/main.cpp

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+// Your First C++ Program
+
+#include <iostream>
+
+int main() {
+    std::cout << "Hello World!";
+    return 0;
+}