[ptxdist] [PATCH 1/3] systemd: add patch for glibc 2.28 compatibility

[Clemens Gruber <clemens.gruber@pqgruber.com>]

Taken from systemd upstream.

Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
---
 ...-whether-struct-statx-is-defined-in-.patch | 104 ++++++++++++++++++
 patches/systemd-239/series                    |   4 +
 2 files changed, 108 insertions(+)
 create mode 100644 patches/systemd-239/0001-build-sys-Detect-whether-struct-statx-is-defined-in-.patch
 create mode 100644 patches/systemd-239/series

diff --git a/patches/systemd-239/0001-build-sys-Detect-whether-struct-statx-is-defined-in-.patch b/patches/systemd-239/0001-build-sys-Detect-whether-struct-statx-is-defined-in-.patch
new file mode 100644
index 000000000..44a4b7504
--- /dev/null
+++ b/patches/systemd-239/0001-build-sys-Detect-whether-struct-statx-is-defined-in-.patch
@@ -0,0 +1,104 @@
+From: Filipe Brandenburger <filbranden@google.com>
+Date: Sun, 15 Jul 2018 22:43:35 -0700
+Subject: [PATCH] build-sys: Detect whether struct statx is defined in
+ sys/stat.h
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Starting with glibc 2.27.9000-36.fc29, include file sys/stat.h will have a
+definition for struct statx, in which case include file linux/stat.h should be
+avoided, in order to prevent a duplicate definition.
+
+    In file included from ../src/basic/missing.h:18,
+		     from ../src/basic/util.h:28,
+		     from ../src/basic/hashmap.h:10,
+		     from ../src/shared/bus-util.h:12,
+		     from ../src/libsystemd/sd-bus/bus-creds.c:11:
+    /usr/include/linux/stat.h:99:8: error: redefinition of ‘struct statx’
+     struct statx {
+	    ^~~~~
+    In file included from /usr/include/sys/stat.h:446,
+		     from ../src/basic/util.h:19,
+		     from ../src/basic/hashmap.h:10,
+		     from ../src/shared/bus-util.h:12,
+		     from ../src/libsystemd/sd-bus/bus-creds.c:11:
+    /usr/include/bits/statx.h:36:8: note: originally defined here
+     struct statx
+	    ^~~~~
+
+Extend our meson.build to look for struct statx when only sys/stat.h is
+included and, in that case, do not include linux/stat.h anymore.
+
+Tested that systemd builds correctly when using a glibc version that includes a
+definition for struct statx.
+
+glibc Fedora RPM update:
+https://src.fedoraproject.org/rpms/glibc/c/28cb5d31fc1e5887912283c889689c47076278ae
+
+glibc upstream commit:
+https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=fd70af45528d59a00eb3190ef6706cb299488fcd
+---
+ meson.build            | 5 +++++
+ src/basic/missing.h    | 5 ++++-
+ src/basic/xattr-util.c | 1 -
+ 3 files changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/meson.build b/meson.build
+index 04331dd41a19..a0e724070874 100644
+--- a/meson.build
++++ b/meson.build
+@@ -425,6 +425,7 @@ decl_headers = '''
+ #include <sys/stat.h>
+ '''
+ # FIXME: key_serial_t is only defined in keyutils.h, this is bound to fail
++# FIXME: these should use -D_GNU_SOURCE, since that is defined at build time
+ 
+ foreach decl : ['char16_t',
+                 'char32_t',
+@@ -439,6 +440,10 @@ foreach decl : ['char16_t',
+         conf.set10('HAVE_' + decl.underscorify().to_upper(), have)
+ endforeach
+ 
++conf.set10('HAVE_STRUCT_STATX_IN_SYS_STAT_H', cc.sizeof('struct statx', prefix : '''
++#include <sys/stat.h>
++''', args : '-D_GNU_SOURCE') > 0)
++
+ foreach decl : [['IFLA_INET6_ADDR_GEN_MODE',         'linux/if_link.h'],
+                 ['IN6_ADDR_GEN_MODE_STABLE_PRIVACY', 'linux/if_link.h'],
+                 ['IFLA_VRF_TABLE',                   'linux/if_link.h'],
+diff --git a/src/basic/missing.h b/src/basic/missing.h
+index 71a07d057474..14ad3d49140f 100644
+--- a/src/basic/missing.h
++++ b/src/basic/missing.h
+@@ -15,7 +15,6 @@
+ #include <linux/neighbour.h>
+ #include <linux/oom.h>
+ #include <linux/rtnetlink.h>
+-#include <linux/stat.h>
+ #include <net/ethernet.h>
+ #include <stdlib.h>
+ #include <sys/resource.h>
+@@ -25,6 +24,10 @@
+ #include <uchar.h>
+ #include <unistd.h>
+ 
++#if !HAVE_STRUCT_STATX_IN_SYS_STAT_H
++#include <linux/stat.h>
++#endif
++
+ #if HAVE_AUDIT
+ #include <libaudit.h>
+ #endif
+diff --git a/src/basic/xattr-util.c b/src/basic/xattr-util.c
+index c5c55ea8461a..0ee0979837cd 100644
+--- a/src/basic/xattr-util.c
++++ b/src/basic/xattr-util.c
+@@ -2,7 +2,6 @@
+ 
+ #include <errno.h>
+ #include <fcntl.h>
+-#include <linux/stat.h>
+ #include <stdint.h>
+ #include <stdlib.h>
+ #include <string.h>
diff --git a/patches/systemd-239/series b/patches/systemd-239/series
new file mode 100644
index 000000000..c75fbeb9a
--- /dev/null
+++ b/patches/systemd-239/series
@@ -0,0 +1,4 @@
+# generated by git-ptx-patches
+#tag:base --start-number 1
+0001-build-sys-Detect-whether-struct-statx-is-defined-in-.patch
+# 54d194f090a373e4c969c7c584a671c4  - git-ptx-patches magic
-- 
2.19.0


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