39 lines
1.3 KiB
CMake
39 lines
1.3 KiB
CMake
# SPDX-FileCopyrightText: 2022 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# This file is used to test the system for headers & symbols.
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# Variables should use the `HAVE_` prefix.
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# Defines should use the same name as the CMAKE variable.
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include(CheckSymbolExists)
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# Used for: `intern/guardedalloc/intern/mallocn_intern.h`.
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# Function `malloc_stats` is only available on GLIBC,
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# so check that before defining `HAVE_MALLOC_STATS`.
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check_symbol_exists(malloc_stats "malloc.h" HAVE_MALLOC_STATS_H)
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# Used for: `source/creator/creator_signals.c`.
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# The function `feenableexcept` is not present non-GLIBC systems,
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# hence we need to check if it's available in the `fenv.h` file.
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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check_symbol_exists(feenableexcept "fenv.h" HAVE_FEENABLEEXCEPT)
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endif()
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if(NOT DEFINED HAVE_FEENABLEEXCEPT)
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set(HAVE_FEENABLEEXCEPT 0)
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endif()
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# Used for: `source/blender/blenlib/intern/system.c`.
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# `execinfo` is not available on non-GLIBC systems (at least not on MUSL-LIBC),
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# so check the presence of the header before including it and using the it for back-trace.
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if(NOT MSVC)
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include(CheckIncludeFiles)
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check_include_files("execinfo.h" HAVE_EXECINFO_H)
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if(HAVE_EXECINFO_H)
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add_definitions(-DHAVE_EXECINFO_H)
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endif()
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endif()
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if(NOT DEFINED HAVE_EXECINFO_H)
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set(HAVE_EXECINFO_H 0)
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endif()
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