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Add PreventInSourceBuild.cmake. 

GitOrigin-RevId: a774b5aa7adbeb3ba974ff55a3de52f7d6371a49
This commit is contained in:
levlam 2020-10-29 12:57:30 +03:00
parent ef1b2921ae
commit 357ed48e0e
2 changed files with 21 additions and 19 deletions
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14
CMake/PreventInSourceBuild.cmake Normal file
View File

@ -0,0 +1,14 @@
function(prevent_in_source_build)
get_filename_component(REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
get_filename_component(REAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)
if (REAL_BINARY_DIR STREQUAL REAL_SOURCE_DIR)
message(" Out-of-source build must be used. Remove the files already")
message(" created by CMake and 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()
endfunction()

26
CMakeLists.txt
View File

@ -2,6 +2,11 @@ cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
project(TDLib VERSION 1.6.9 LANGUAGES CXX C)
if (NOT DEFINED CMAKE_MODULE_PATH)
set(CMAKE_MODULE_PATH "")
endif()
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake" "${CMAKE_MODULE_PATH}")
if (NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR "lib")
endif()
@ -17,20 +22,8 @@ if (POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
# 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()
include(PreventInSourceBuild)
prevent_in_source_build()
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.")
@ -39,11 +32,6 @@ if (TD_ENABLE_DOTNET AND (CMAKE_VERSION VERSION_LESS "3.1.0"))
message(FATAL_ERROR "CMake 3.1.0 or higher is required. You are running version ${CMAKE_VERSION}.")
endif()
if (NOT DEFINED CMAKE_MODULE_PATH)
set(CMAKE_MODULE_PATH "")
endif()
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake" "${CMAKE_MODULE_PATH}")
set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)