[oe-commits] [openembedded-core] 05/05: wayland: Fix strndup detection on MinGW

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 85281f8a248d181ba630c10c1a189c8311e9cdc4
Author: Joshua Watt <jpewhacker at gmail.com>
AuthorDate: Thu Feb 20 16:49:31 2020 -0600

    wayland: Fix strndup detection on MinGW
    
    Applies a patch to fix strndup being detected as present incorrectly
    when building for MinGW.
    
    Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 ...0001-build-Fix-strndup-detection-on-MinGW.patch | 39 ++++++++++++++++++++++
 meta/recipes-graphics/wayland/wayland_1.18.0.bb    |  1 +
 2 files changed, 40 insertions(+)

diff --git a/meta/recipes-graphics/wayland/wayland/0001-build-Fix-strndup-detection-on-MinGW.patch b/meta/recipes-graphics/wayland/wayland/0001-build-Fix-strndup-detection-on-MinGW.patch
new file mode 100644
index 0000000..e445838
--- /dev/null
+++ b/meta/recipes-graphics/wayland/wayland/0001-build-Fix-strndup-detection-on-MinGW.patch
@@ -0,0 +1,39 @@
+From e6783c99f051c6d8252db5f388d805cef0e16357 Mon Sep 17 00:00:00 2001
+From: Joshua Watt <JPEWhacker at gmail.com>
+Date: Thu, 20 Feb 2020 15:20:45 -0600
+Subject: [PATCH] build: Fix strndup detection on MinGW
+
+GCC and meson conspire together to incorrectly detect that strndup()
+exists on MinGW as __builtin_strndup, when no such function exists. As a
+work around, meson will skip looking for __builtin functions if an
+'#include' is in the prefix, so add '#include <string.h>' when looking
+for strndup().
+
+See: https://github.com/mesonbuild/meson/issues/3672
+
+Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
+Upstream-Status: Submitted [https://gitlab.freedesktop.org/wayland/wayland/merge_requests/63]
+---
+ meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index 26b084f..c05d019 100644
+--- a/meson.build
++++ b/meson.build
+@@ -36,11 +36,11 @@ have_funcs = [
+ 	'posix_fallocate',
+ 	'prctl',
+ 	'memfd_create',
+-	'strndup',
+ ]
+ foreach f: have_funcs
+ 	config_h.set('HAVE_' + f.underscorify().to_upper(), cc.has_function(f))
+ endforeach
++config_h.set('HAVE_STRNDUP', cc.has_function('strndup', prefix:'#include <string.h>'))
+ 
+ if get_option('libraries')
+ 	ffi_dep = dependency('libffi')
+-- 
+2.17.1
+
diff --git a/meta/recipes-graphics/wayland/wayland_1.18.0.bb b/meta/recipes-graphics/wayland/wayland_1.18.0.bb
index a702b3f..6a6e749 100644
--- a/meta/recipes-graphics/wayland/wayland_1.18.0.bb
+++ b/meta/recipes-graphics/wayland/wayland_1.18.0.bb
@@ -15,6 +15,7 @@ DEPENDS = "expat libffi wayland-native"
 SRC_URI = "https://wayland.freedesktop.org/releases/${BPN}-${PV}.tar.xz \
            file://0002-meson.build-find-the-native-wayland-scanner-directly.patch \
            file://0002-Do-not-hardcode-the-path-to-wayland-scanner.patch \
+           file://0001-build-Fix-strndup-detection-on-MinGW.patch \
            "
 SRC_URI[md5sum] = "23317697b6e3ff2e1ac8c5ba3ed57b65"
 SRC_URI[sha256sum] = "4675a79f091020817a98fd0484e7208c8762242266967f55a67776936c2e294d"

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