f8ebfc4b65
Summary: This is as per the discussions on developer lists: http://lists.llvm.org/pipermail/llvm-dev/2016-April/098780.html http://lists.llvm.org/pipermail/llvm-dev/2016-May/100058.html Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D20823 llvm-svn: 271326
33 lines
1007 B
CMake
33 lines
1007 B
CMake
project(exec C)
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cmake_minimum_required(VERSION 3.4.3)
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include(CheckCCompilerFlag)
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check_c_compiler_flag("-std=c99" C99_SUPPORTED)
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if (C99_SUPPORTED)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
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endif()
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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add_definitions(-D_GNU_SOURCE)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
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check_function_exists(execve HAVE_EXECVE)
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check_function_exists(execv HAVE_EXECV)
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check_function_exists(execvpe HAVE_EXECVPE)
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check_function_exists(execvp HAVE_EXECVP)
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check_function_exists(execvP HAVE_EXECVP2)
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check_function_exists(exect HAVE_EXECT)
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check_function_exists(execl HAVE_EXECL)
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check_function_exists(execlp HAVE_EXECLP)
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check_function_exists(execle HAVE_EXECLE)
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check_function_exists(posix_spawn HAVE_POSIX_SPAWN)
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check_function_exists(posix_spawnp HAVE_POSIX_SPAWNP)
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/config.h)
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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add_executable(exec main.c)
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