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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:55:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:55:11 +0000 |
commit | cd07912073c951b4bbb871ed2653af1be2cfc714 (patch) | |
tree | 1073c2308492e6aea4c66cb7436ee92db2abfd42 /CMakeModules/UseCompat.cmake | |
parent | Initial commit. (diff) | |
download | libyang2-upstream/2.1.30.tar.xz libyang2-upstream/2.1.30.zip |
Adding upstream version 2.1.30.upstream/2.1.30upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | CMakeModules/UseCompat.cmake | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/CMakeModules/UseCompat.cmake b/CMakeModules/UseCompat.cmake new file mode 100644 index 0000000..c1befd7 --- /dev/null +++ b/CMakeModules/UseCompat.cmake @@ -0,0 +1,75 @@ +# - Use compat library providing various functions and macros that may be missing on some systems +# Once done this will define +# +# compatsrc - sources to add to compilation +# +# Additionally, "compat.h" include directory is added and can be included. +# +# Author Michal Vasko <mvasko@cesnet.cz> +# Copyright (c) 2021 CESNET, z.s.p.o. +# +# This source code is licensed under BSD 3-Clause License (the "License"). +# You may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://opensource.org/licenses/BSD-3-Clause +# +include(CheckSymbolExists) +include(CheckFunctionExists) +include(CheckIncludeFile) +include(TestBigEndian) +if(POLICY CMP0075) + cmake_policy(SET CMP0075 NEW) +endif() + +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) + set(CMAKE_REQUIRED_LIBRARIES pthread) + + 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(getline "stdio.h" HAVE_GETLINE) + + check_symbol_exists(strndup "string.h" HAVE_STRNDUP) + check_symbol_exists(strnstr "string.h" HAVE_STRNSTR) + check_symbol_exists(strdupa "string.h" HAVE_STRDUPA) + check_symbol_exists(strchrnul "string.h" HAVE_STRCHRNUL) + + check_symbol_exists(get_current_dir_name "unistd.h" HAVE_GET_CURRENT_DIR_NAME) + + check_function_exists(pthread_mutex_timedlock HAVE_PTHREAD_MUTEX_TIMEDLOCK) + + TEST_BIG_ENDIAN(IS_BIG_ENDIAN) + + check_include_file("stdatomic.h" HAVE_STDATOMIC) + + include(CheckStructHasMember) + check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_TM_GMTOFF) + check_symbol_exists(timezone time.h HAVE_TIME_H_TIMEZONE) + + check_symbol_exists(realpath "stdlib.h" HAVE_REALPATH) + check_symbol_exists(localtime_r "time.h" HAVE_LOCALTIME_R) + check_symbol_exists(gmtime_r "time.h" HAVE_GMTIME_R) + check_symbol_exists(strptime "time.h" HAVE_STRPTIME) + check_symbol_exists(mmap "sys/mman.h" HAVE_MMAP) + check_symbol_exists(dirname "libgen.h" HAVE_DIRNAME) + check_symbol_exists(setenv "stdlib.h" HAVE_SETENV) + + unset(CMAKE_REQUIRED_DEFINITIONS) + unset(CMAKE_REQUIRED_LIBRARIES) + + # header and source file (adding the source directly allows for hiding its symbols) + configure_file(${PROJECT_SOURCE_DIR}/compat/compat.h.in ${PROJECT_BINARY_DIR}/compat/compat.h @ONLY) + include_directories(${PROJECT_BINARY_DIR}/compat) + set(compatsrc ${PROJECT_SOURCE_DIR}/compat/compat.c) + if(WIN32) + include_directories(${PROJECT_SOURCE_DIR}/compat/posix-shims) + endif() + if(NOT HAVE_STRPTIME) + set(compatsrc ${compatsrc} ${PROJECT_SOURCE_DIR}/compat/strptime.c) + endif() +endmacro() |