Added cmake configuration options (#499)

* Ability to turn off warnings
* Added install target

Build/CMakeLists.txt

@@ -38,6 +38,9 @@ option(USE_TZCNT "Enable TZCNT" ON)
 option(USE_F16C "Enable F16C" ON)
 option(USE_FMADD "Enable FMADD" ON)
 
+# Enable all warnings
+option(ENABLE_ALL_WARNINGS "Enable all warnings and warnings as errors" ON)
+
 include(CMakeDependentOption)
 
 # Ability to toggle between the static and DLL versions of the MSVC runtime library
@@ -64,8 +67,13 @@ if (("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows" OR "${CMAKE_SYSTEM_NAME}" STREQUA
 	endif()
 
 	# Set general compiler flags
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus /Gm- /Wall /WX /MP /nologo /diagnostics:classic /FC /fp:except- /Zc:inline")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zc:__cplusplus /Gm- /MP /nologo /diagnostics:classic /FC /fp:except- /Zc:inline")
 	
+	# Enable warnings
+	if (ENABLE_ALL_WARNINGS)
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall /WX")
+	endif()
+
 	# Optionally generate debug symbols
 	if (GENERATE_DEBUG_SYMBOLS)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zi")
@@ -107,7 +115,12 @@ if (("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows" OR "${CMAKE_SYSTEM_NAME}" STREQUA
 	endif()
 elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" OR "${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin" OR "${CMAKE_SYSTEM_NAME}" STREQUAL "iOS" OR MINGW OR EMSCRIPTEN)
 	# Set general compiler flags
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I. -Wall -Werror")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I.")
+
+	# Enable warnings
+	if (ENABLE_ALL_WARNINGS)
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror")
+	endif()
 
 	# Optionally generate debug symbols
 	if (GENERATE_DEBUG_SYMBOLS)
@@ -179,6 +192,16 @@ if (IOS)
 	set_property(TARGET Jolt PROPERTY XCODE_ATTRIBUTE_OTHER_CPLUSPLUSFLAGS[arch=x86_64] "$(inherited) -msse4.2 -mpopcnt") 
 endif()
 
+# Install Jolt library and includes
+install(TARGETS Jolt DESTINATION lib)
+foreach(SRC_FILE ${JOLT_PHYSICS_SRC_FILES})
+	string(REPLACE ${PHYSICS_REPO_ROOT} "" RELATIVE_SRC_FILE ${SRC_FILE})
+	get_filename_component(DESTINATION_PATH ${RELATIVE_SRC_FILE} DIRECTORY)
+	if (NOT RELATIVE_SRC_FILE MATCHES "\.cpp")
+		install(FILES ${SRC_FILE} DESTINATION include/${DESTINATION_PATH})
+	endif()
+endforeach()
+
 # Check if we're the root CMakeLists.txt, if not we are included by another CMake file and we should disable everything except for the main library 
 if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
 	# Ability to turn ON/OFF individual applications