RISC-V Build fixes

index d56d2c5e06..a80926216b 100644
@@ -100,7 +100,7 @@ EXTRA_OECONF_BASE = "\
     --disable-bootstrap \
     --disable-libmudflap \
     --with-system-zlib \
-    --with-linker-hash-style=${LINKER_HASH_STYLE} \
+    ${@'--with-linker-hash-style=${LINKER_HASH_STYLE}' if '${LINKER_HASH_STYLE}' else ''} \
     --enable-linker-build-id \
     --with-ppl=no \
     --with-cloog=no \

index 3c34bdd84e..d09d633022 100644
@@ -24,6 +24,8 @@ S = "${WORKDIR}/git/"
 PACKAGECONFIG ?= "${@bb.utils.filter('DISTRO_FEATURES', 'xattr', d)}"
 PACKAGECONFIG[xattr] = ",,acl,"
 
+CPPFLAGS_append_riscv64  = " -pthread -D_REENTRANT"
+
 EXTRA_OEMAKE = "'CC=${CC}' 'RANLIB=${RANLIB}' 'AR=${AR}' 'CFLAGS=${CFLAGS} ${@bb.utils.contains('PACKAGECONFIG', 'xattr', '', '-DWITHOUT_XATTR', d)} -I${S}/include' 'BUILDDIR=${S}'"
 
 ALTERNATIVE_${PN} = "flash_eraseall"

index a669295044..c445d15e69 100644
@@ -43,6 +43,8 @@ EXTRA_OECONF = '--prefix=${prefix} \
                '
 
 do_configure() {
+    install -m 0755 ${STAGING_DATADIR_NATIVE}/gnu-config/config.guess ${S}
+    install -m 0755 ${STAGING_DATADIR_NATIVE}/gnu-config/config.sub ${S}
     ./configure ${EXTRA_OECONF}
 }
 

new file mode 100644
index 0000000000..4f5c4f5f0d
@@ -0,0 +1,28 @@
+From 30fb1bf9244bb0789c02ec7c98a923acc7200206 Mon Sep 17 00:00:00 2001
+From: Khem Raj <[email protected]>
+Date: Fri, 16 Mar 2018 19:55:21 -0700
+Subject: [PATCH] npy_cpu: Add riscv support
+
+Signed-off-by: Khem Raj <[email protected]>
+---
+Upstream-Status: Submitted [https://github.com/numpy/numpy/pull/10761]
+
+ numpy/core/include/numpy/npy_cpu.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/numpy/core/include/numpy/npy_cpu.h b/numpy/core/include/numpy/npy_cpu.h
+index 84653ea18..9e88db873 100644
+--- a/numpy/core/include/numpy/npy_cpu.h
++++ b/numpy/core/include/numpy/npy_cpu.h
+@@ -78,6 +78,8 @@
+     #define NPY_CPU_AARCH64
+ #elif defined(__mc68000__)
+     #define NPY_CPU_M68K
++#elif defined(__riscv)
++    #define NPY_CPU_RISCV
+ #elif defined(__arc__) && defined(__LITTLE_ENDIAN__)
+     #define NPY_CPU_ARCEL
+ #elif defined(__arc__) && defined(__BIG_ENDIAN__)
+-- 
+2.16.2
+

index 10af4c50e3..5c5f0c837a 100644
@@ -8,6 +8,7 @@ SRCNAME = "numpy"
 SRC_URI = "https://github.com/${SRCNAME}/${SRCNAME}/releases/download/v${PV}/${SRCNAME}-${PV}.tar.gz \
            file://0001-Don-t-search-usr-and-so-on-for-libraries-by-default-.patch \
            file://fix_shebang_f2py.patch \
+           file://0001-npy_cpu-Add-riscv-support.patch \
            ${CONFIGFILESURI} "
 SRC_URI[md5sum] = "0e09f20f62ab9f8a02cb7bd3fd023482"
 SRC_URI[sha256sum] = "8708a775be9a9a457b80a49193c57bd9d51a8a195ed1f1c4b8e89eaf3aa646ee"

@@ -69,6 +70,10 @@ CONFIGFILESURI_mipsarchn32el = " \
     file://config.h \
     file://_numpyconfig.h \
 "
+CONFIGFILESURI_riscv64 = " \
+    file://config.h \
+    file://_numpyconfig.h \
+"
 
 S = "${WORKDIR}/numpy-${PV}"
 

new file mode 100644
index 0000000000..45c606e690
@@ -0,0 +1,54 @@
+From 319f32d743f5b5e725012654d124e49226d5de91 Mon Sep 17 00:00:00 2001
+From: Khem Raj <[email protected]>
+Date: Fri, 16 Mar 2018 20:28:24 -0700
+Subject: [PATCH] arch: Add support for riscv64 CPU
+
+  * Architecture support:
+    - Add support for riscv64 CPU. Closes: #822914
+      Thanks to Manuel A. Fernandez Montecelo <[email protected]>
+
+Upstream-Status: Backport [https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=dpkg%2Fdpkg.git;a=commitdiff_plain;h=ee0855cc66076691de4796be48f8a0d889fde001;hp=2f5816d8be40b449d2473b22f9e0c33b32f3bd78]
+
+Signed-off-by: Khem Raj <[email protected]>
+---
+ data/cputable         | 1 +
+ scripts/t/Dpkg_Arch.t | 4 ++--
+ 2 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/data/cputable b/data/cputable
+index a2bd7d6..9f2a8e0 100644
+--- a/data/cputable
++++ b/data/cputable
+@@ -41,6 +41,7 @@ powerpc		powerpc		(powerpc|ppc)		32	big
+ powerpcel	powerpcle	powerpcle		32	little
+ ppc64		powerpc64	(powerpc|ppc)64		64	big
+ ppc64el		powerpc64le	powerpc64le		64	little
++riscv64		riscv64		riscv64			64	little
+ s390		s390		s390			32	big
+ s390x		s390x		s390x			64	big
+ sh3		sh3		sh3			32	little
+diff --git a/scripts/t/Dpkg_Arch.t b/scripts/t/Dpkg_Arch.t
+index d478b49..ecd5d66 100644
+--- a/scripts/t/Dpkg_Arch.t
++++ b/scripts/t/Dpkg_Arch.t
+@@ -16,7 +16,7 @@
+ use strict;
+ use warnings;
+ 
+-use Test::More tests => 16367;
++use Test::More tests => 16832;
+ 
+ use_ok('Dpkg::Arch', qw(debarch_to_debtuple debarch_to_multiarch
+                         debarch_eq debarch_is debarch_is_wildcard
+@@ -162,7 +162,7 @@ is(gnutriplet_to_debarch(undef), undef, 'undef gnutriplet');
+ is(gnutriplet_to_debarch('unknown-unknown-unknown'), undef, 'unknown gnutriplet');
+ is(gnutriplet_to_debarch('x86_64-linux-gnu'), 'amd64', 'known gnutriplet');
+ 
+-is(scalar get_valid_arches(), 524, 'expected amount of known architectures');
++is(scalar get_valid_arches(), 539, 'expected amount of known architectures');
+ 
+ {
+     local $ENV{CC} = 'false';
+-- 
+2.16.2
+

index d56b8a69a3..d48386647e 100644
@@ -1,12 +1,17 @@
+From 9d260d408f9e17abd1d1dccd685bd7e80a3655a9 Mon Sep 17 00:00:00 2001
+From: Donn Seeley <[email protected]>
+Date: Tue, 25 Feb 2014 17:44:04 +0800
+Subject: [PATCH] dpkg: fix a link problem for dpkg-native on CentOS 5.8
+
 CentOS 5.8 kernels and headers support the sync_file_range() system call,
 but glibc 2.5 doesn't provide the syscall stub.  It appears that this
 problem is known but will never be fixed:
 
   https://bugzilla.redhat.com/show_bug.cgi?id=518581
 
-  Bug 518581 - [RHEL5] glibc misses sync_file_range syscall interface 
+  Bug 518581 - [RHEL5] glibc misses sync_file_range syscall interface
 
-  Status:       CLOSED CANTFIX 
+  Status:       CLOSED CANTFIX
   Last Closed:  2009-11-22 22:19:55
 
   Kirby Zhou 2009-08-20 23:37:55 EDT

@@ -60,13 +65,16 @@ Upstream-Status: Inappropriate [everyone else builds on newer hosts :-)]
 
 Signed-off-by: Donn Seeley <[email protected]>
 Signed-off-by: Lei Liu <[email protected]>
+
 ---
- src/archives.c |    4 ++--
+ src/archives.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
 
+diff --git a/src/archives.c b/src/archives.c
+index 4b2fc92..a92b795 100644
 --- a/src/archives.c
 +++ b/src/archives.c
-@@ -75,7 +75,7 @@
+@@ -69,7 +69,7 @@ fd_writeback_init(int fd)
    /* Ignore the return code as it should be considered equivalent to an
     * asynchronous hint for the kernel, we are doing an fsync() later on
     * anyway. */

@@ -75,7 +83,7 @@ Signed-off-by: Lei Liu <[email protected]>
    sync_file_range(fd, 0, 0, SYNC_FILE_RANGE_WRITE);
  #elif defined(HAVE_POSIX_FADVISE)
    posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED);
-@@ -1179,7 +1179,7 @@
+@@ -1078,7 +1078,7 @@ tarobject(void *ctx, struct tar_entry *ti)
    return 0;
  }
  

@@ -84,3 +92,6 @@ Signed-off-by: Lei Liu <[email protected]>
  static void
  tar_writeback_barrier(struct fileinlist *files, struct pkginfo *pkg)
  {
+-- 
+2.16.2
+

index c0c59f1410..6d8ec34768 100644
@@ -14,6 +14,7 @@ SRC_URI = "http://snapshot.debian.org/archive/debian/20170518T093838Z/pool/main/
            file://0006-add-musleabi-to-known-target-tripets.patch \
            file://0007-dpkg-deb-build.c-Remove-usage-of-clamp-mtime-in-tar.patch \
            file://0001-dpkg-Support-muslx32-build.patch \
+           file://0001-arch-Add-support-for-riscv64-CPU.patch \
            "
 SRC_URI_append_class-native = " file://glibc2.5-sync_file_range.patch "