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Diffstat (limited to 'build_files/cmake/have_features.cmake')
| -rw-r--r-- | build_files/cmake/have_features.cmake | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/build_files/cmake/have_features.cmake b/build_files/cmake/have_features.cmake new file mode 100644 index 00000000000..dc3b61849ea --- /dev/null +++ b/build_files/cmake/have_features.cmake @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright 2022 Blender Foundation. All rights reserved. + +# This file is used to test the system for headers & symbols. +# Variables should use the `HAVE_` prefix. +# Defines should use the same name as the CMAKE variable. + +include(CheckSymbolExists) + +# Used for: `intern/guardedalloc/intern/mallocn_intern.h`. +# Function `malloc_stats` is only available on GLIBC, +# so check that before defining `HAVE_MALLOC_STATS`. +check_symbol_exists(malloc_stats "malloc.h" HAVE_MALLOC_STATS_H) + +# Used for: `source/creator/creator_signals.c`. +# The function `feenableexcept` is not present non-GLIBC systems, +# hence we need to check if it's available in the `fenv.h` file. +set(HAVE_FEENABLEEXCEPT OFF) +if(CMAKE_SYSTEM_NAME STREQUAL "Linux") + check_symbol_exists(feenableexcept "fenv.h" HAVE_FEENABLEEXCEPT) +endif() + +# Used for: `source/blender/blenlib/intern/system.c`. +# `execinfo` is not available on non-GLIBC systems (at least not on MUSL-LIBC), +# so check the presence of the header before including it and using the it for back-trace. +set(HAVE_EXECINFO_H OFF) +if(NOT MSVC) + include(CheckIncludeFiles) + check_include_files("execinfo.h" HAVE_EXECINFO_H) + if(HAVE_EXECINFO_H) + add_definitions(-DHAVE_EXECINFO_H) + endif() +endif() |