qt5: fix build w/ newer glibc and musl libc

Signed-off-by: Jürgen Buchmüller <pullmoll@t-online.de>

srcpkgs/qt5/patches/qt-glibc-renameat2.patch

@@ -0,0 +1,14 @@
+--- qtbase/src/corelib/io/qfilesystemengine_unix.cpp.orig	2018-10-22 00:35:10.154815542 +0200
++++ qtbase/src/corelib/io/qfilesystemengine_unix.cpp	2018-10-22 00:38:16.066828801 +0200
+@@ -98,9 +98,11 @@
+ #endif
+ 
+ #  if !QT_CONFIG(renameat2) && defined(SYS_renameat2)
++#  ifndef __GLIBC__
+ static int renameat2(int oldfd, const char *oldpath, int newfd, const char *newpath, unsigned flags)
+ { return syscall(SYS_renameat2, oldfd, oldpath, newfd, newpath, flags); }
+ #  endif
++#  endif
+ 
+ #  if !QT_CONFIG(statx) && defined(SYS_statx) && QT_HAS_INCLUDE(<linux/stat.h>)
+ #    include <linux/stat.h>

srcpkgs/qt5/patches/qt-musl-libevent.patch

@@ -0,0 +1,121 @@
+--- qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc
++++ qtwebengine/src/3rdparty/chromium/base/message_loop/message_pump_libevent.cc
+@@ -14,7 +14,7 @@
+ #include "base/files/file_util.h"
+ #include "base/logging.h"
+ #include "base/posix/eintr_wrapper.h"
+-#include "base/third_party/libevent/event.h"
++#include "event.h"
+ #include "base/time/time.h"
+ #include "base/trace_event/trace_event.h"
+ #include "build/build_config.h"
+--- qtwebengine/src/3rdparty/chromium/tools/gn/bootstrap/bootstrap.py	2018-10-18 01:20:19.224169786 +0200
++++ qtwebengine/src/3rdparty/chromium/tools/gn/bootstrap/bootstrap.py	2018-10-18 01:26:11.273148802 +0200
+@@ -32,6 +32,7 @@
+ 
+ is_win = sys.platform.startswith('win')
+ is_linux = sys.platform.startswith('linux')
++is_gnu_linux = is_linux and os.path.exists('/lib/libc.so.6')
+ is_mac = sys.platform.startswith('darwin')
+ is_aix = sys.platform.startswith('aix')
+ is_posix = is_linux or is_mac or is_aix
+@@ -193,7 +193,7 @@
+       {'ENABLE_MUTEX_PRIORITY_INHERITANCE': 'false'})
+ 
+   write_buildflag_header_manually(root_gen_dir, 'base/allocator/features.h',
+-      {'USE_ALLOCATOR_SHIM': 'true' if is_linux else 'false'})
++      {'USE_ALLOCATOR_SHIM': 'true' if is_gnu_linux else 'false'})
+ 
+   write_buildflag_header_manually(root_gen_dir, 'base/debug/debugging_flags.h',
+       {
+@@ -453,8 +453,6 @@
+       'base/third_party/superfasthash/superfasthash.c',
+   ])
+   static_libraries['base']['sources'].extend([
+-      'base/allocator/allocator_check.cc',
+-      'base/allocator/allocator_extension.cc',
+       'base/at_exit.cc',
+       'base/base_paths.cc',
+       'base/base_switches.cc',
+@@ -625,6 +623,11 @@
+       'base/values.cc',
+       'base/vlog.cc',
+   ])
++  if is_gnu_linux:
++    static_libraries['base']['sources'].extend([
++        'base/allocator/allocator_check.cc',
++        'base/allocator/allocator_extension.cc',
++    ])
+ 
+   if is_posix:
+     static_libraries['base']['sources'].extend([
+@@ -663,29 +666,31 @@
+             'base/time/time_exploded_posix.cc',
+         ])
+ 
+-    static_libraries['libevent'] = {
+-        'sources': [
+-            'base/third_party/libevent/buffer.c',
+-            'base/third_party/libevent/evbuffer.c',
+-            'base/third_party/libevent/evdns.c',
+-            'base/third_party/libevent/event.c',
+-            'base/third_party/libevent/event_tagging.c',
+-            'base/third_party/libevent/evrpc.c',
+-            'base/third_party/libevent/evutil.c',
+-            'base/third_party/libevent/http.c',
+-            'base/third_party/libevent/log.c',
+-            'base/third_party/libevent/poll.c',
+-            'base/third_party/libevent/select.c',
+-            'base/third_party/libevent/signal.c',
+-            'base/third_party/libevent/strlcpy.c',
+-        ],
+-        'tool': 'cc',
+-        'include_dirs': [],
+-        'cflags': cflags + ['-DHAVE_CONFIG_H'],
+-    }
++    if is_gnu_linux:
++      static_libraries['libevent'] = {
++          'sources': [
++              'base/third_party/libevent/buffer.c',
++              'base/third_party/libevent/evbuffer.c',
++              'base/third_party/libevent/evdns.c',
++              'base/third_party/libevent/event.c',
++              'base/third_party/libevent/event_tagging.c',
++              'base/third_party/libevent/evrpc.c',
++              'base/third_party/libevent/evutil.c',
++              'base/third_party/libevent/http.c',
++              'base/third_party/libevent/log.c',
++              'base/third_party/libevent/poll.c',
++              'base/third_party/libevent/select.c',
++              'base/third_party/libevent/signal.c',
++              'base/third_party/libevent/strlcpy.c',
++          ],
++          'tool': 'cc',
++          'include_dirs': [],
++          'cflags': cflags + ['-DHAVE_CONFIG_H'],
++      }
+ 
+   if is_linux or is_aix:
+     ldflags.extend(['-pthread'])
++    ldflags.extend(['-levent'])
+ 
+     static_libraries['xdg_user_dirs'] = {
+         'sources': [
+@@ -709,7 +714,7 @@
+         'base/sys_info_linux.cc',
+         'base/threading/platform_thread_linux.cc',
+     ])
+-    if is_linux:
++    if is_gnu_linux:
+       static_libraries['base']['sources'].extend([
+         'base/allocator/allocator_shim.cc',
+         'base/allocator/allocator_shim_default_dispatch_to_glibc.cc',
+@@ -721,7 +726,7 @@
+       static_libraries['libevent']['sources'].extend([
+          'base/third_party/libevent/epoll.c',
+       ])
+-    else:
++    if is_aix:
+       libs.extend(['-lrt'])
+       static_libraries['base']['sources'].extend([
+           'base/process/internal_aix.cc'