| project(exec C) |
| |
| cmake_minimum_required(VERSION 3.4.3) |
| |
| include(CheckCCompilerFlag) |
| check_c_compiler_flag("-std=c99" C99_SUPPORTED) |
| if (C99_SUPPORTED) |
| set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99") |
| endif() |
| |
| include(CheckFunctionExists) |
| include(CheckSymbolExists) |
| |
| add_definitions(-D_GNU_SOURCE) |
| list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE) |
| |
| check_function_exists(execve HAVE_EXECVE) |
| check_function_exists(execv HAVE_EXECV) |
| check_function_exists(execvpe HAVE_EXECVPE) |
| check_function_exists(execvp HAVE_EXECVP) |
| check_function_exists(execvP HAVE_EXECVP2) |
| check_function_exists(exect HAVE_EXECT) |
| check_function_exists(execl HAVE_EXECL) |
| check_function_exists(execlp HAVE_EXECLP) |
| check_function_exists(execle HAVE_EXECLE) |
| check_function_exists(posix_spawn HAVE_POSIX_SPAWN) |
| check_function_exists(posix_spawnp HAVE_POSIX_SPAWNP) |
| |
| configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h) |
| include_directories(${CMAKE_CURRENT_BINARY_DIR}) |
| |
| add_executable(exec main.c) |
