mirror of
https://github.com/moparisthebest/curl
synced 2024-11-05 09:05:04 -05:00
9a8b3b3e13
Reported by the new script 'scripts/copyright.pl'. The script has a regex whitelist for the files that don't need copyright headers. Removed three (mostly usesless) README files from docs/ Closes #5141
77 lines
3.2 KiB
CMake
77 lines
3.2 KiB
CMake
#***************************************************************************
|
|
# _ _ ____ _
|
|
# Project ___| | | | _ \| |
|
|
# / __| | | | |_) | |
|
|
# | (__| |_| | _ <| |___
|
|
# \___|\___/|_| \_\_____|
|
|
#
|
|
# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
#
|
|
# This software is licensed as described in the file COPYING, which
|
|
# you should have received as part of this distribution. The terms
|
|
# are also available at https://curl.haxx.se/docs/copyright.html.
|
|
#
|
|
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
# copies of the Software, and permit persons to whom the Software is
|
|
# furnished to do so, under the terms of the COPYING file.
|
|
#
|
|
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
# KIND, either express or implied.
|
|
#
|
|
###########################################################################
|
|
include(CheckCSourceCompiles)
|
|
|
|
option(CURL_HIDDEN_SYMBOLS "Set to ON to hide libcurl internal symbols (=hide all symbols that aren't officially external)." ON)
|
|
mark_as_advanced(CURL_HIDDEN_SYMBOLS)
|
|
|
|
if(CURL_HIDDEN_SYMBOLS)
|
|
set(SUPPORTS_SYMBOL_HIDING FALSE)
|
|
|
|
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
|
|
set(SUPPORTS_SYMBOL_HIDING TRUE)
|
|
set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
|
|
set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
|
|
elseif(CMAKE_COMPILER_IS_GNUCC)
|
|
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
|
|
# note: this is considered buggy prior to 4.0 but the autotools don't care, so let's ignore that fact
|
|
set(SUPPORTS_SYMBOL_HIDING TRUE)
|
|
set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
|
|
set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
|
|
endif()
|
|
elseif(CMAKE_C_COMPILER_ID MATCHES "SunPro" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0)
|
|
set(SUPPORTS_SYMBOL_HIDING TRUE)
|
|
set(_SYMBOL_EXTERN "__global")
|
|
set(_CFLAG_SYMBOLS_HIDE "-xldscope=hidden")
|
|
elseif(CMAKE_C_COMPILER_ID MATCHES "Intel" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0)
|
|
# note: this should probably just check for version 9.1.045 but I'm not 100% sure
|
|
# so let's do it the same way autotools do.
|
|
set(SUPPORTS_SYMBOL_HIDING TRUE)
|
|
set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
|
|
set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
|
|
check_c_source_compiles("#include <stdio.h>
|
|
int main (void) { printf(\"icc fvisibility bug test\"); return 0; }" _no_bug)
|
|
if(NOT _no_bug)
|
|
set(SUPPORTS_SYMBOL_HIDING FALSE)
|
|
set(_SYMBOL_EXTERN "")
|
|
set(_CFLAG_SYMBOLS_HIDE "")
|
|
endif()
|
|
elseif(MSVC)
|
|
set(SUPPORTS_SYMBOL_HIDING TRUE)
|
|
endif()
|
|
|
|
set(HIDES_CURL_PRIVATE_SYMBOLS ${SUPPORTS_SYMBOL_HIDING})
|
|
elseif(MSVC)
|
|
if(NOT CMAKE_VERSION VERSION_LESS 3.7)
|
|
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE) #present since 3.4.3 but broken
|
|
set(HIDES_CURL_PRIVATE_SYMBOLS FALSE)
|
|
else()
|
|
message(WARNING "Hiding private symbols regardless CURL_HIDDEN_SYMBOLS being disabled.")
|
|
set(HIDES_CURL_PRIVATE_SYMBOLS TRUE)
|
|
endif()
|
|
else()
|
|
set(HIDES_CURL_PRIVATE_SYMBOLS FALSE)
|
|
endif()
|
|
|
|
set(CURL_CFLAG_SYMBOLS_HIDE ${_CFLAG_SYMBOLS_HIDE})
|
|
set(CURL_EXTERN_SYMBOL ${_SYMBOL_EXTERN})
|