cmake_workshop_notes

## Bootstrapping

set VISUAL_STUDIO_VER=14
set CMAKE_GENERATOR="Visual Studio %VISUAL_STUDIO_VER% 2015 Win64"

set MSBUILD_VERSION=%VISUAL_STUDIO_VER%.0

rem Find msbuild path

for /f "usebackq skip=2 tokens=3*" %%A in (`reg.exe query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsVersions\%MSBUILD_VERSION%" /v "MSBuildToolsPath" `) do (
	set MSBUILD_PATH=%%A %%B
)

mkdir Compiled\3rdparty
@cd Compiled\3rdparty

%CMAKE% -G %CMAKE_GENERATOR% ../../3rdparty
"%MSBUILD_PATH%Msbuild.exe" 3rdparty.sln /property:Configuration=RelWithDebInfo

cd ..\..

## Enforce finding local libraries

set( OLD_CMAKE_PREFIX_PATH "${CMAKE_PREFIX_PATH}" )

set( CMAKE_PREFIX_PATH "${CMAKE_CURRENT_LIST_DIR}/Compiled/3rdparty/curl/x64_Release" )
find_package( CURL REQUIRED )
set( CMAKE_PREFIX_PATH "${OLD_CMAKE_PREFIX_PATH}" )

## WIN32 instead of MSVC for bootstrapping

project( 3rdparty )

cmake_minimum_required( VERSION 3.2 )

include( ExternalProject )

if( WIN32 )
	ExternalProject_Add( boost_libs
		PREFIX boost
		SOURCE_DIR boost/lib
		URL http://foo.com/boost-1.60_lib64-msvc-14.0.zip
		URL_MD5 7370b042e0e915d34f2b40427831a563
		UPDATE_COMMAND ""
		CONFIGURE_COMMAND ""
		BUILD_COMMAND ""
		BUILD_IN_SOURCE ON
		INSTALL_COMMAND ""
	)

	add_custom_target( dependencies ALL
		DEPENDS boost_libs
	)
elseif( APPLE )
elseif( UNIX )
	ExternalProject_Add( boost_libs
		PREFIX boost
		URL http://foo.com/boost_1_60_0.tar.bz2
		URL_MD5 65a840e1a0b13a558ff19eeb2c4f0cbe
		UPDATE_COMMAND ""
		CONFIGURE_COMMAND "${CMAKE_CURRENT_BINARY_DIR}/boost/src/boost_libs/bootstrap.sh" "--prefix=${CMAKE_CURRENT_BINARY_DIR}/boost/"
		BUILD_COMMAND ./b2 -j 8
		BUILD_IN_SOURCE ON
		INSTALL_COMMAND ./b2 install
	)
else()
	message( FATAL_ERROR Unknown platform )
endif()

## Do not introduce LINUX or other crap

## Always have default working

## Use Modules

## Insert version into binaries

set( MY_MAJOR_VERSION 2 )
set( MY_MINOR_VERSION 3 )
set( MY_RELEASE_VERSION 7 )

configure_file( SVersionNo.h.in "${CMAKE_CURRENT_SOURCE_DIR}/VersionNo.h" )

#define MAJOR_VERSION @MY_MAJOR_VERSION@

## Protobuf

protobuf_generate_cpp( SHARED_PROTO_SRC SHARED_PROTO_HDR
	testme.proto
)

protobuf_generate_python( PROTO_PY
	testme.proto
)

## Dual install

function( my_deploy name destination )

	install(
		FILES
			${ARGN}
		DESTINATION "${destination}"
	)

	set( commands )

	foreach( file ${ARGN} )
		get_filename_component( filename "${file}" NAME )
		list( APPEND commands COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${file}" "$<TARGET_FILE_DIR:mytarget>/${destination}/${filename}" )
	endforeach()

	add_custom_target( MyTargetDeploy${name}
		ALL
		COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:mytarget>/${destination}"
		${commands}
		WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
	)

endfunction()