Prevent in-source build.

GitOrigin-RevId: 36bfc1412dd550bdd2fc6744620014332f82cbb9
This commit is contained in:
levlam 2018-03-04 04:23:52 +03:00
parent 72908f6056
commit a4817a41a3
1 changed files with 16 additions and 1 deletions

View File

@ -2,6 +2,21 @@ cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
project(TDLib VERSION 1.1.4 LANGUAGES CXX C)
# Prevent in-source build
get_filename_component(TD_REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
get_filename_component(TD_REAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)
if (TD_REAL_BINARY_DIR STREQUAL TD_REAL_SOURCE_DIR)
message(" Out-of-source build should be used to build TDLib.")
message(" You need to remove the files already created by CMake and")
message(" rerun CMake from a new directory:")
message(" rm -rf CMakeFiles CMakeCache.txt")
message(" mkdir build")
message(" cd build")
message(" cmake ..")
message(FATAL_ERROR "In-source build failed.")
endif()
option(TD_ENABLE_JNI "Use \"ON\" to enable JNI-compatible TDLib API.")
option(TD_ENABLE_DOTNET "Use \"ON\" to enable generation of C++/CLI or C++/CX TDLib API bindings.")
@ -28,7 +43,7 @@ if (POLICY CMP0069)
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED)
if (IPO_SUPPORTED)
#set_property(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) do not work?
# set_property(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) do not work?
string(REPLACE ";" " " CXX_FLAGS_IPO "${CMAKE_CXX_COMPILE_OPTIONS_IPO}")
message(STATUS "Use link time optimizations: ${CXX_FLAGS_IPO}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CXX_FLAGS_IPO}")