diff options
author | yuangongji <yuangongji@foxmail.com> | 2020-03-16 18:57:54 +0800 |
---|---|---|
committer | Azat Khuzhin <azat@libevent.org> | 2020-03-17 21:43:39 +0300 |
commit | 61c5c19bfdabd2f16407a3ed615060c9d0502e82 (patch) | |
tree | cc5381dfdb82d3454985f47a9057af130233844c /cmake | |
parent | 6d54be2cc078351b4ce1e469bedc4a976f4e3636 (diff) | |
download | libevent-61c5c19bfdabd2f16407a3ed615060c9d0502e82.tar.gz |
cmake: remove CheckFunctionExistsEx
`CheckFunctionExistsEx` is copied from the cmake modules before
3.1.2, which is the minimum required version of libevent.
The internal module `CheckFunctionExists`of cmake can completely
replace it.
Diffstat (limited to 'cmake')
-rw-r--r-- | cmake/CheckFunctionExistsEx.c | 28 | ||||
-rw-r--r-- | cmake/CheckFunctionExistsEx.cmake | 69 |
2 files changed, 0 insertions, 97 deletions
diff --git a/cmake/CheckFunctionExistsEx.c b/cmake/CheckFunctionExistsEx.c deleted file mode 100644 index 224e3404..00000000 --- a/cmake/CheckFunctionExistsEx.c +++ /dev/null @@ -1,28 +0,0 @@ -#ifdef CHECK_FUNCTION_EXISTS - -#ifdef __cplusplus -extern "C" -#endif - char - CHECK_FUNCTION_EXISTS(void); -#ifdef __CLASSIC_C__ -int main() -{ - int ac; - char* av[]; -#else -int main(int ac, char* av[]) -{ -#endif - CHECK_FUNCTION_EXISTS(); - if (ac > 1000) { - return *av[0]; - } - return 0; -} - -#else /* CHECK_FUNCTION_EXISTS */ - -#error "CHECK_FUNCTION_EXISTS has to specify the function" - -#endif /* CHECK_FUNCTION_EXISTS */ diff --git a/cmake/CheckFunctionExistsEx.cmake b/cmake/CheckFunctionExistsEx.cmake deleted file mode 100644 index 78bc2ecc..00000000 --- a/cmake/CheckFunctionExistsEx.cmake +++ /dev/null @@ -1,69 +0,0 @@ -# - Check if a C function can be linked -# CHECK_FUNCTION_EXISTS(<function> <variable>) -# -# Check that the <function> is provided by libraries on the system and -# store the result in a <variable>. This does not verify that any -# system header file declares the function, only that it can be found -# at link time (considure using CheckSymbolExists). -# -# The following variables may be set before calling this macro to -# modify the way the check is run: -# -# CMAKE_REQUIRED_FLAGS = string of compile command line flags -# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) -# CMAKE_REQUIRED_INCLUDES = list of include directories -# CMAKE_REQUIRED_LIBRARIES = list of libraries to link - -#============================================================================= -# Copyright 2002-2011 Kitware, Inc. -# -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. -# -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) - -MACRO(CHECK_FUNCTION_EXISTS_EX FUNCTION VARIABLE) - IF(${VARIABLE} MATCHES "^${VARIABLE}$") - SET(MACRO_CHECK_FUNCTION_DEFINITIONS - "-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}") - MESSAGE(STATUS "Looking for ${FUNCTION}") - IF(CMAKE_REQUIRED_LIBRARIES) - SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") - ELSE(CMAKE_REQUIRED_LIBRARIES) - SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES) - ENDIF(CMAKE_REQUIRED_LIBRARIES) - IF(CMAKE_REQUIRED_INCLUDES) - SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES - "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") - ELSE(CMAKE_REQUIRED_INCLUDES) - SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES) - ENDIF(CMAKE_REQUIRED_INCLUDES) - TRY_COMPILE(${VARIABLE} - ${CMAKE_BINARY_DIR} - ${PROJECT_SOURCE_DIR}/cmake/CheckFunctionExistsEx.c - COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} - CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} - "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}" - "${CHECK_FUNCTION_EXISTS_ADD_INCLUDES}" - OUTPUT_VARIABLE OUTPUT) - IF(${VARIABLE}) - SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}") - MESSAGE(STATUS "Looking for ${FUNCTION} - found") - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log - "Determining if the function ${FUNCTION} exists passed with the following output:\n" - "${OUTPUT}\n\n") - ELSE(${VARIABLE}) - MESSAGE(STATUS "Looking for ${FUNCTION} - not found") - SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}") - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Determining if the function ${FUNCTION} exists failed with the following output:\n" - "${OUTPUT}\n\n") - ENDIF(${VARIABLE}) - ENDIF() -ENDMACRO(CHECK_FUNCTION_EXISTS_EX) |