Refactor CMakeLists

Closes #2471
Closes #1816

cmake/toolchains/clang.cmake

@@ -0,0 +1,5 @@
+# Include gcc options.
+include(${CMAKE_CURRENT_LIST_DIR}/gcc.cmake)
+
+# Compiler options.
+add_compile_options(-Wrange-loop-analysis)

cmake/toolchains/common.cmake

@@ -0,0 +1,18 @@
+# C++ standard.
+set(CMAKE_CXX_EXTENSIONS OFF CACHE STRING "")
+
+# Static library linkage.
+set(BUILD_SHARED_LIBS OFF CACHE STRING "")
+add_definitions(-DBOOST_ALL_STATIC_LINK=1)
+
+# Interprocedural optimization.
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE ON CACHE STRING "")
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL ON CACHE STRING "")
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO ON CACHE STRING "")
+
+# Compiler definitions.
+if(WIN32)
+    add_definitions(-D_WIN32_WINNT=0x0601 -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+# Project options.

cmake/toolchains/gcc.cmake

@@ -0,0 +1,5 @@
+# Include common options.
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
+
+# Compiler options.
+add_compile_options(-Wall -Wextra -Wpedantic -Wno-unused-parameter)

cmake/toolchains/msvc.cmake

@@ -0,0 +1,35 @@
+# Include common options.
+include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
+
+# Static runtime linkage.
+set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>" CACHE STRING "")
+
+# Compiler options.
+# Specific to C and CXX, to prevent passing them to MASM
+add_compile_options(
+    $<$<COMPILE_LANGUAGE:CXX>:/bigobj>
+    $<$<COMPILE_LANGUAGE:CXX>:/permissive->
+    $<$<COMPILE_LANGUAGE:C,CXX>:/W4>
+    $<$<COMPILE_LANGUAGE:C,CXX>:/MP>
+)
+if("${CMAKE_GENERATOR_PLATFORM}" STREQUAL "Win32") # 32-bit
+    add_compile_options(
+        /arch:SSE2
+    )
+endif()
+
+# Linker options.
+add_link_options(
+)
+
+# Disable logos.
+foreach(lang C CXX ASM_MASM RC)
+    set(CMAKE_${lang}_FLAGS_INIT "/nologo")
+endforeach()
+foreach(type EXE SHARED MODULE)
+    set(CMAKE_${type}_LINKER_FLAGS_INIT "/nologo")
+endforeach()
+
+# Silence Visual Studio CMake integration warnings.
+set(SILENCE_VS_DEFINITIONS ${CMAKE_TOOLCHAIN_FILE} ${CMAKE_C_COMPILER})
+set(SILENCE_VS_DEFINITIONS)