--- ./third_party/lss/linux_syscall_support.h.orig
+++ ./third_party/lss/linux_syscall_support.h
@@ -1127,6 +1127,12 @@
 #ifndef __NR_fallocate
 #define __NR_fallocate          285
 #endif
+
+#undef __NR_pread
+#define __NR_pread __NR_pread64
+#undef __NR_pwrite
+#define __NR_pwrite __NR_pwrite64
+
 /* End of x86-64 definitions                                                 */
 #elif defined(__mips__)
 #if _MIPS_SIM == _MIPS_SIM_ABI32
--- ./breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc.orig
+++ ./breakpad/src/client/linux/dump_writer_common/ucontext_reader.cc
@@ -49,7 +49,7 @@
 }
 
 void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
-                                    const struct _libc_fpstate* fp) {
+                                    const struct _fpstate* fp) {
   const greg_t* regs = uc->uc_mcontext.gregs;
 
   out->context_flags = MD_CONTEXT_X86_FULL |
@@ -97,7 +97,7 @@
 }
 
 void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc,
-                                    const struct _libc_fpstate* fpregs) {
+                                    const struct _fpstate* fpregs) {
   const greg_t* regs = uc->uc_mcontext.gregs;
 
   out->context_flags = MD_CONTEXT_AMD64_FULL;
--- ./breakpad/src/client/linux/dump_writer_common/ucontext_reader.h.orig
+++ ./breakpad/src/client/linux/dump_writer_common/ucontext_reader.h
@@ -50,7 +50,7 @@
   //   info: the collection of register structures.
 #if defined(__i386__) || defined(__x86_64)
   static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
-                             const struct _libc_fpstate* fp);
+                             const struct _fpstate* fp);
 #elif defined(__aarch64__)
   static void FillCPUContext(RawContextCPU *out, const ucontext *uc,
                              const struct fpsimd_context* fpregs);
--- ./breakpad/src/client/linux/minidump_writer/minidump_writer.h.orig
+++ ./breakpad/src/client/linux/minidump_writer/minidump_writer.h
@@ -48,7 +48,7 @@
 #if defined(__aarch64__)
 typedef struct fpsimd_context fpstate_t;
 #elif !defined(__ARM_EABI__) && !defined(__mips__)
-typedef struct _libc_fpstate fpstate_t;
+typedef struct _fpstate fpstate_t;
 #endif
 
 // These entries store a list of memory regions that the client wants included
--- ./breakpad/src/common/linux/elf_core_dump.h.orig
+++ ./breakpad/src/common/linux/elf_core_dump.h
@@ -36,6 +36,7 @@
 #include <elf.h>
 #include <link.h>
 #include <stddef.h>
+#include <limits.h>
 
 #include "common/memory_range.h"
 
@@ -51,9 +52,9 @@
   typedef ElfW(Phdr) Phdr;
   typedef ElfW(Word) Word;
   typedef ElfW(Addr) Addr;
-#if __WORDSIZE == 32
+#if ULONG_MAX == 0xffffffff
   static const int kClass = ELFCLASS32;
-#elif __WORDSIZE == 64
+#elif ULONG_MAX == 0xffffffffffffffff
   static const int kClass = ELFCLASS64;
 #else
 #error "Unsupported __WORDSIZE for ElfCoreDump."
--- ./sandbox/linux/suid/process_util.h.orig
+++ ./sandbox/linux/suid/process_util.h
@@ -11,6 +11,14 @@
 #include <stdbool.h>
 #include <sys/types.h>
 
+// Some additional functions
+# define TEMP_FAILURE_RETRY(expression) \
+	(__extension__			\
+	 ({ long int __result;		\
+	  do __result = (long int) (expression); \
+	  while (__result == -1L && errno == EINTR); \
+	  __result; }))
+
 // This adjusts /proc/process/oom_score_adj so the Linux OOM killer
 // will prefer certain process types over others. The range for the
 // adjustment is [-1000, 1000], with [0, 1000] being user accessible.
--- ./sandbox/linux/seccomp-bpf/trap.cc.orig
+++ ./sandbox/linux/seccomp-bpf/trap.cc
@@ -156,7 +156,7 @@
   // most versions of glibc don't include this information in siginfo_t. So,
   // we need to explicitly copy it into a arch_sigsys structure.
   struct arch_sigsys sigsys;
-  memcpy(&sigsys, &info->_sifields, sizeof(sigsys));
+  memcpy(&sigsys, &info->__si_fields, sizeof(sigsys));
 
 #if defined(__mips__)
   // When indirect syscall (syscall(__NR_foo, ...)) is made on Mips, the
--- ./net/dns/dns_config_service_posix.cc.orig
+++ ./net/dns/dns_config_service_posix.cc
@@ -116,7 +116,7 @@
 ConfigParsePosixResult ReadDnsConfig(DnsConfig* config) {
   ConfigParsePosixResult result;
   config->unhandled_options = false;
-#if defined(OS_OPENBSD)
+#if defined(OS_OPENBSD) || defined(_GNU_SOURCE)
   // Note: res_ninit in glibc always returns 0 and sets RES_INIT.
   // res_init behaves the same way.
   memset(&_res, 0, sizeof(_res));
--- ./third_party/ffmpeg/libavutil/cpu.c.orig
+++ ./third_party/ffmpeg/libavutil/cpu.c
@@ -38,7 +38,6 @@
 #include <sys/param.h>
 #endif
 #include <sys/types.h>
-#include <sys/sysctl.h>
 #endif
 #if HAVE_UNISTD_H
 #include <unistd.h>
--- ./third_party/WebKit/Source/wtf/StackUtil.cpp.orig
+++ ./third_party/WebKit/Source/wtf/StackUtil.cpp
@@ -28,7 +28,7 @@
 // FIXME: On Mac OSX and Linux, this method cannot estimate stack size
 // correctly for the main thread.

-#if defined(__GLIBC__) || OS(ANDROID) || OS(FREEBSD)
+#if OS(LINUX) || OS(ANDROID) || OS(FREEBSD)
   // pthread_getattr_np() can fail if the thread is not invoked by
   // pthread_create() (e.g., the main thread of webkit_unit_tests).
   // If so, a conservative size estimate is returned.
@@ -95,7 +95,7 @@
 }

 void* getStackStart() {
-#if defined(__GLIBC__) || OS(ANDROID) || OS(FREEBSD)
+#if OS(LINUX) || OS(ANDROID) || OS(FREEBSD)
   pthread_attr_t attr;
   int error;
 #if OS(FREEBSD)
--- ./chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc.orig
+++ ./chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.cc
@@ -40,7 +40,7 @@
 #include "chrome/browser/metrics/tab_usage_recorder.h"
 #endif  // !defined(OS_ANDROID)
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(__GLIBC__) && !defined(OS_CHROMEOS)
 #include <gnu/libc-version.h>
 
 #include "base/version.h"
@@ -173,7 +173,7 @@
 }
 
 void RecordLinuxGlibcVersion() {
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(__GLIBC__) && !defined(OS_CHROMEOS)
   base::Version version(gnu_get_libc_version());
 
   UMALinuxGlibcVersion glibc_version_result = UMA_LINUX_GLIBC_NOT_PARSEABLE;
@@ -197,7 +197,7 @@
 #endif
 }
 
-#if defined(USE_X11) && !defined(OS_CHROMEOS)
+#if defined(__GLIBC__) && defined(USE_X11) && !defined(OS_CHROMEOS)
 UMALinuxWindowManager GetLinuxWindowManager() {
   switch (ui::GuessWindowManager()) {
     case ui::WM_UNKNOWN:
@@ -330,7 +330,7 @@
 
 void ChromeBrowserMainExtraPartsMetrics::PostBrowserStart() {
   RecordLinuxGlibcVersion();
-#if defined(USE_X11) && !defined(OS_CHROMEOS)
+#if defined(__GLIBC__) && defined(USE_X11) && !defined(OS_CHROMEOS)
   UMA_HISTOGRAM_ENUMERATION("Linux.WindowManager",
                             GetLinuxWindowManager(),
                             UMA_LINUX_WINDOW_MANAGER_COUNT);
--- ./device/serial/serial_io_handler_posix.cc.orig
+++ ./device/serial/serial_io_handler_posix.cc
@@ -6,6 +6,7 @@
 
 #include <sys/ioctl.h>
 #include <termios.h>
+#include <asm-generic/ioctls.h>
 
 #include "base/posix/eintr_wrapper.h"
 
--- ./base/logging.cc.orig
+++ ./base/logging.cc
@@ -494,7 +494,7 @@
 }
 
 LogMessage::~LogMessage() {
-#if !defined(OFFICIAL_BUILD) && !defined(OS_NACL) && !defined(__UCLIBC__)
+#if !defined(OFFICIAL_BUILD) && !defined(OS_NACL) && defined(__GLIBC__)
   if (severity_ == LOG_FATAL && !base::debug::BeingDebugged()) {
     // Include a stack trace on a fatal, unless a debugger is attached.
     base::debug::StackTrace trace;
diff --git a/third_party/ots/include/opentype-sanitiser.h b/third_party/ots/include/opentype-sanitiser.h
index a80ea16..55a2abf 100644
--- third_party/ots/include/opentype-sanitiser.h
+++ third_party/ots/include/opentype-sanitiser.h
@@ -20,6 +20,7 @@ typedef unsigned __int64 uint64_t;
 #define htonl(x) _byteswap_ulong (x)
 #define htons(x) _byteswap_ushort (x)
 #else
+#include <sys/types.h>
 #include <arpa/inet.h>
 #include <stdint.h>
 #endif
