This patch fixes the build of adb on linux.

Copied from archlinux repository:
https://git.archlinux.org/svntogit/community.git/tree/trunk/fix_build.patch?h=packages/android-tools

diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 75dcc86..867f3ec 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -25,6 +25,7 @@
 #endif
 
 #include <errno.h>
+#include <sys/syscall.h>
 
 #include <string>
 #include <vector>
@@ -831,7 +832,16 @@ static __inline__ int adb_is_absolute_host_path(const char* path) {
 
 static __inline__ unsigned long adb_thread_id()
 {
-    return (unsigned long)gettid();
+  // TODO: this function should be merged with GetThreadId
+#if defined(__BIONIC__)
+  return gettid();
+#elif defined(__APPLE__)
+  return syscall(SYS_thread_selfid);
+#elif defined(__linux__)
+  return syscall(__NR_gettid);
+#elif defined(_WIN32)
+  return GetCurrentThreadId();
+#endif
 }
 
 #endif /* !_WIN32 */
diff --git a/base/errors_unix.cpp b/base/errors_unix.cpp
index 296995e..48269b6 100644
--- a/base/errors_unix.cpp
+++ b/base/errors_unix.cpp
@@ -17,6 +17,7 @@
 #include "android-base/errors.h"
 
 #include <errno.h>
+#include <string.h>
 
 namespace android {
 namespace base {
diff --git a/base/file.cpp b/base/file.cpp
index da1adba..91a3901 100644
--- a/base/file.cpp
+++ b/base/file.cpp
@@ -20,6 +20,7 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <string.h>
 
 #include <string>
 
diff --git a/base/logging.cpp b/base/logging.cpp
index 1741871..e97c7f1 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -21,6 +21,7 @@
 #include "android-base/logging.h"
 
 #include <libgen.h>
+#include <string.h>
 
 // For getprogname(3) or program_invocation_short_name.
 #if defined(__ANDROID__) || defined(__APPLE__)
 value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=40cae204b994300452571f2c9e86d7dc6b83f627'>root</a>/<a href='/guix/log/gnu?id=40cae204b994300452571f2c9e86d7dc6b83f627'>gnu</a>/<a href='/guix/log/gnu/build?id=40cae204b994300452571f2c9e86d7dc6b83f627'>build</a>/<a href='/guix/log/gnu/build/file-systems.scm?id=40cae204b994300452571f2c9e86d7dc6b83f627'>file-systems.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/build/file-systems.scm?id=40cae204b994300452571f2c9e86d7dc6b83f627&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-01-05 11:14:00 +0100'>2020-01-05</span></td><td><a href='/guix/commit/gnu/build/file-systems.scm?id=7aa28eb339dd667d07cfb8b5347e159d5da3ccd7'>file-systems: Handle LUKS2 header.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/file-systems.scm (luks-superblock?): Handle LUKS2 header.

Signed-off-by: Danny Milosavljevic &lt;dannym@scratchpost.org&gt;
</span></span></td><td>David Trudgian</td></tr>
<tr><td><span title='2020-01-03 13:54:13 +0100'>2020-01-03</span></td><td><a href='/guix/commit/gnu/build/file-systems.scm?id=1abbe7c64bfcd2b0f600398950e07bfdd9d4e1b4'>file-systems: Add support for JFS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/file-systems.scm (%jfs-endianness): New syntax.
(jfs-superblock?, read-jfs-superblock, jfs-superblock-uuid)
(jfs-superblock-volume-name, check-jfs-file-system): New procedures.
(%partition-label-readers, %partition-uuid-readers, check-file-system):
Register them.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-12-07 01:00:24 +0100'>2019-12-07</span></td><td><a href='/guix/commit/gnu/build/file-systems.scm?id=0dc5c85638b49d5aed043420346083935ac51435'>file-systems: Add support for 'strict-atime' and 'lazy-time' flags.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/syscalls.scm (MS_LAZYTIME): New variable.
* gnu/build/file-systems.scm (mount-flags-&gt;bit-mask): Add match rules for
  'strict-atime' and 'lazy-time'.
* doc/guix.texi (File Systems): Add 'strict-atime' and 'lazy-time' to the list
  of supported flags.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Guillaume Le Vaillant</td></tr>