| cmake_minimum_required(VERSION 2.8.12) |
| |
| include(CheckSymbolExists) |
| include(TestBigEndian) |
| |
| macro(USE_COMPAT) |
| # compatibility checks |
| set(CMAKE_REQUIRED_DEFINITIONS -D_POSIX_C_SOURCE=200809L) |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE) |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS -D__BSD_VISIBLE=1) |
| check_symbol_exists(vdprintf "stdio.h;stdarg.h" HAVE_VDPRINTF) |
| check_symbol_exists(asprintf "stdio.h" HAVE_ASPRINTF) |
| check_symbol_exists(vasprintf "stdio.h" HAVE_VASPRINTF) |
| |
| check_symbol_exists(strndup "string.h" HAVE_STRNDUP) |
| check_symbol_exists(strnstr "string.h" HAVE_STRNSTR) |
| check_symbol_exists(getline "stdio.h" HAVE_GETLINE) |
| |
| check_symbol_exists(get_current_dir_name "unistd.h" HAVE_GET_CURRENT_DIR_NAME) |
| |
| TEST_BIG_ENDIAN(IS_BIG_ENDIAN) |
| |
| # header and object file |
| configure_file(${PROJECT_SOURCE_DIR}/compat/compat.h.in ${PROJECT_BINARY_DIR}/compat/compat.h @ONLY) |
| include_directories(${PROJECT_BINARY_DIR}/compat) |
| add_library(compat OBJECT ${PROJECT_SOURCE_DIR}/compat/compat.c) |
| set_property(TARGET compat PROPERTY POSITION_INDEPENDENT_CODE ON) |
| endmacro() |