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package/wayland: don't rely on implicit GNU extensions

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Backport a patch so that we don't rely on implicit GNU extensions.

Fixes:
 - http://autobuild.buildroot.net/results/c22/c227166c2825ae4e884936fbe627f3997e0e19b7

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
James Hilliard 2022-04-26 16:35:17 -06:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 999edde7df
commit 6af4292de7
1 changed files with 108 additions and 0 deletions
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108
package/wayland/0002-build-don-t-rely-on-implicit-GNU-extensions.patch Normal file
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@ -0,0 +1,108 @@
From 0d314c4a04ef1b86a1ea66107b2d1a8d1bcd93b9 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Mon, 10 Jan 2022 14:51:55 +0100
Subject: [PATCH] build: don't rely on implicit GNU extensions
Currently libwayland assumes GNU extensions will be available, but
doesn't define the C standard to use. Instead, let's unconditionally
enable POSIX extensions, and enable GNU extensions on a case-by-case
basis as needed.
Signed-off-by: Simon Ser <contact@emersion.fr>
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
[james.hilliard1@gmail.com: backport from upstream commit
0d314c4a04ef1b86a1ea66107b2d1a8d1bcd93b9]
---
cursor/xcursor.c | 1 +
meson.build | 10 ++++++++--
tests/display-test.c | 1 +
tests/event-loop-test.c | 1 +
tests/fixed-test.c | 1 +
5 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/cursor/xcursor.c b/cursor/xcursor.c
index 0506680..188be7c 100644
--- a/cursor/xcursor.c
+++ b/cursor/xcursor.c
@@ -23,6 +23,7 @@
* SOFTWARE.
*/
+#define _GNU_SOURCE
#include "xcursor.h"
#include <stdio.h>
#include <stdlib.h>
diff --git a/meson.build b/meson.build
index 07bbd29..cab267e 100644
--- a/meson.build
+++ b/meson.build
@@ -14,6 +14,12 @@ config_h = configuration_data()
config_h.set_quoted('PACKAGE', meson.project_name())
config_h.set_quoted('PACKAGE_VERSION', meson.project_version())
+cc_args = []
+if host_machine.system() != 'freebsd'
+ cc_args += ['-D_POSIX_C_SOURCE=200809L']
+endif
+add_project_arguments(cc_args, language: 'c')
+
compiler_flags = [
'-Wno-unused-parameter',
'-Wstrict-prototypes',
@@ -79,7 +85,7 @@ if get_option('libraries')
]
foreach d: decls
- if not cc.has_header_symbol(d['header'], d['symbol'], dependencies: epoll_dep)
+ if not cc.has_header_symbol(d['header'], d['symbol'], dependencies: epoll_dep, args: cc_args)
error('@0@ is needed to compile Wayland libraries'.format(d['symbol']))
endif
endforeach
@@ -87,7 +93,7 @@ if get_option('libraries')
rt_dep = []
if not cc.has_function('clock_gettime', prefix: '#include <time.h>')
rt_dep = cc.find_library('rt')
- if not cc.has_function('clock_gettime', prefix: '#include <time.h>', dependencies: rt_dep)
+ if not cc.has_function('clock_gettime', prefix: '#include <time.h>', dependencies: rt_dep, args: cc_args)
error('clock_gettime not found')
endif
endif
diff --git a/tests/display-test.c b/tests/display-test.c
index 763adc9..a6f410d 100644
--- a/tests/display-test.c
+++ b/tests/display-test.c
@@ -24,6 +24,7 @@
* SOFTWARE.
*/
+#define _GNU_SOURCE
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tests/event-loop-test.c b/tests/event-loop-test.c
index 9d43c91..a51ba8f 100644
--- a/tests/event-loop-test.c
+++ b/tests/event-loop-test.c
@@ -24,6 +24,7 @@
* SOFTWARE.
*/
+#define _GNU_SOURCE
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
diff --git a/tests/fixed-test.c b/tests/fixed-test.c
index 47a4dae..0b58797 100644
--- a/tests/fixed-test.c
+++ b/tests/fixed-test.c
@@ -23,6 +23,7 @@
* SOFTWARE.
*/
+#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
--
2.25.1