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conan-build/recipes/dbus/all/patches/0001-meson-Use-check_header-to-confirm-headers-work.patch
2025-02-25 14:03:04 +03:00

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From e52ccaf7c3abf9d0adccfd001c1417ce08a7f335 Mon Sep 17 00:00:00 2001
From: Thomas Sondergaard <Thomas.Sondergaard@mi.medical.canon>
Date: Thu, 4 Jan 2024 17:45:46 +0100
Subject: [PATCH] meson: Use check_header to confirm headers work
instead of using has_header use check_header to confirm the header
works. This is necessary to get the meson build to work with Visual
Studio 2022. It has <stdatomic.h> but it does not actually work when
compiling a C program. A minimal C program that include <stdatomic.h>
fails with the following errors:
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.38.33130\include\vcruntime_c11_stdatomic.h(36): error C2061: syntax error: identifier 'atomic_bool'
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.38.33130\include\vcruntime_c11_stdatomic.h(36): error C2059: syntax error: ';'
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.38.33130\include\vcruntime_c11_stdatomic.h(37): error C2061: syntax error: identifier 'atomic_char'
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.38.33130\include\vcruntime_c11_stdatomic.h(37): error C2059: syntax error: ';'
...
...
check_header is consistent with CMake's
check_include_file(stdatomic.h HAVE_STDATOMIC_H)
which is why the CMake-based build of dbus works with Visual Studio
2022, while the meson build doesn't.
Fixes #494
---
meson.build | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meson.build b/meson.build
index 17b2a837..19b41cd9 100644
--- a/meson.build
+++ b/meson.build
@@ -705,7 +705,7 @@ check_headers = [
foreach header : check_headers
macro = 'HAVE_' + header.underscorify().to_upper()
- config.set(macro, cc.has_header(header, args: compile_args_c) ? 1 : false)
+ config.set(macro, cc.check_header(header, args: compile_args_c) ? 1 : false)
endforeach
execinfo = cc.find_library('execinfo', required: false)
--
2.43.0.windows.1