GEN      doc/aclocal-1.14.1
  GEN      doc/automake-1.14.1
help2man: can't get `--help' info from automake-1.14
Try `--no-discard-stderr' if option outputs to stderr
Makefile:3707: recipe for target 'doc/automake-1.14.1' failed
make: *** [doc/automake-1.14.1] Error 255
make: *** Waiting for unfinished jobs....

In file included from ./tm.h:27:0,
                 from ../../gcc-4.9.2/gcc/cp/except.c:27:
../../gcc-4.9.2/gcc/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
    fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
                     ^
../../gcc-4.9.2/gcc/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ./tm.h:45:0,
                 from ../../gcc-4.9.2/gcc/cp/except.c:27:
../../gcc-4.9.2/gcc/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from ../../gcc-4.9.2/gcc/cp/except.c:1013:0:
cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’:
cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute
cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here
cfns.gperf: At global scope:
cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined
Makefile:1058: recipe for target 'cp/except.o' failed
make[3]: *** [cp/except.o] Error 1
make[3]: Leaving directory '/impala/native-toolchain/source/gcc/build-4.9.2/gcc'
Makefile:4233: recipe for target 'all-stage1-gcc' failed
make[2]: *** [all-stage1-gcc] Error 2
make[2]: Leaving directory '/impala/native-toolchain/source/gcc/build-4.9.2'
Makefile:22967: recipe for target 'stage1-bubble' failed
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory '/impala/native-toolchain/source/gcc/build-4.9.2'
Makefile:900: recipe for target 'all' failed
make: *** [all] Error 2

buildall.sh:222:  if [[ ! "$RELEASE_NAME" =~ CentOS.*5\.[[:digit:]] ]]; then
buildall.sh:293:if [[ ! "$RELEASE_NAME" =~ CentOS.*5\.[[:digit:]] ]]; then
source/llvm/build-source-tarball.sh:55:  if [[ ! "$RELEASE_NAME" =~ CentOS.*5\.[[:digit:]] ]]; then

# lsb_release -r -i
Distributor ID:	CentOS
Release:	7.5.1804

checking for gcc... /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/gcc accepts -g... yes
checking for /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/gcc option to accept ISO C89... none needed
checking whether /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/gcc understands -c and -o together... yes
checking dependency style of /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/gcc... gcc3
checking whether we are using the GNU C++ compiler... yes
checking whether /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/g++ accepts -g... yes
checking dependency style of /home/wesm/code/native-toolchain/build/gcc-4.9.2/bin/g++... gcc3
checking for ranlib... ranlib
checking for bash... /bin/bash
checking for perl... /usr/bin/perl
checking for python... /usr/bin/python
checking for ar... /usr/bin/ar
checking for ant... no
checking Checking EXTERNAL_PATH set to... /home/wesm/code/native-toolchain/source/thrift/thrift-0.9.0-p2/contrib/fb303
checking whether to enable optimized build... yes
checking whether to enable static mode... yes
checking Checking thrift_home set to... /usr/local
checking for boostlib >= 1.33.1... configure: error: We could not detect the boost libraries (version 1.33 or higher). If you have a staged boost library (still not installed) please specify $BOOST_ROOT in your environment and do not give a PATH to --with-boost option.  If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.

diff --git a/source/gcc/build.sh b/source/gcc/build.sh
index c87e0bd..632f4e6 100755
--- a/source/gcc/build.sh
+++ b/source/gcc/build.sh
@@ -76,7 +76,7 @@ if [ ! -f $SOURCE_DIR/check/$PACKAGE_STRING ]; then
     # We apply the patches manually here (instead of bumping the patch level) because
     # some components (boost) fail to compile with a modified gcc version.
     PATCH_DIR=${THIS_DIR}/gcc-${PACKAGE_VERSION}-patches
-    apply_patches 4 $PATCH_DIR
+    apply_patches 5 $PATCH_DIR
   fi

   download_gcc_prerequisites
diff --git a/source/gcc/gcc-4.9.2-patches/945-ustat.patch b/source/gcc/gcc-4.9.2-patches/945-ustat.patch
new file mode 100644
index 0000000..5aeb09f
--- /dev/null
+++ b/source/gcc/gcc-4.9.2-patches/945-ustat.patch
@@ -0,0 +1,31 @@
+--- gcc-4.9.2.orig/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc    2019-12-17 17:56:37.654678258 -0600
++++ gcc-4.9.2/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc 2019-12-17 17:58:23.089867685 -0600
+@@ -81,7 +81,6 @@
+ #include <sys/statvfs.h>
+ #include <sys/timex.h>
+ #include <sys/user.h>
+-#include <sys/ustat.h>
+ #include <linux/cyclades.h>
+ #include <linux/if_eql.h>
+ #include <linux/if_plip.h>
+@@ -163,7 +162,19 @@ namespace __sanitizer {
+   unsigned struct_old_utsname_sz = sizeof(struct old_utsname);
+   unsigned struct_oldold_utsname_sz = sizeof(struct oldold_utsname);
+   unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
+-  unsigned struct_ustat_sz = sizeof(struct ustat);
++// Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
++// has been removed from glibc 2.28.
++#if defined(__aarch64__) || defined(__s390x__) || defined (__mips64) \
++  || defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) \
++  || defined(__x86_64__)
++#define SIZEOF_STRUCT_USTAT 32
++#elif defined(__arm__) || defined(__i386__) || defined(__mips__) \
++  || defined(__powerpc__) || defined(__s390__)
++#define SIZEOF_STRUCT_USTAT 20
++#else
++#error Unknown size of struct ustat
++#endif
++  unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
+ #endif // SANITIZER_LINUX
+
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID