[gnome-continuous-yocto/gnomeostree-3.28-rocko: 4631/8267] libxslt: Add build fix (with ld-is-gold)

[Emmanuele Bassi <ebassi src gnome org>]

commit 70907e352e62c45566b07c4fca1d116ca8d1bbe5
Author: Jussi Kukkonen <jussi kukkonen intel com>
Date:   Fri Feb 10 16:04:38 2017 +0200

    libxslt: Add build fix (with ld-is-gold)
    
    Libraries must be linked with "-lm", otherwise gold fails to link
    binaries with those libraries.
    
    (From OE-Core rev: 9175164380b50852a21a05d4e81294394c5486f4)
    
    Signed-off-by: Jussi Kukkonen <jussi kukkonen intel com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 .../libxslt/0001-Link-libraries-with-libm.patch    |   48 ++++++++++++++++++++
 meta/recipes-support/libxslt/libxslt_1.1.29.bb     |    1 +
 2 files changed, 49 insertions(+), 0 deletions(-)
---
diff --git a/meta/recipes-support/libxslt/libxslt/0001-Link-libraries-with-libm.patch 
b/meta/recipes-support/libxslt/libxslt/0001-Link-libraries-with-libm.patch
new file mode 100644
index 0000000..16ffeba
--- /dev/null
+++ b/meta/recipes-support/libxslt/libxslt/0001-Link-libraries-with-libm.patch
@@ -0,0 +1,48 @@
+From 487e2f7e35dad3deec7978ce4478a3d4ea5070e7 Mon Sep 17 00:00:00 2001
+From: Jussi Kukkonen <jussi kukkonen intel com>
+Date: Fri, 10 Feb 2017 14:26:59 +0200
+Subject: [PATCH] Link libraries with libm
+
+Otherwise linking the resulting libraries to a binary (e.g. xsltproc)
+fails when using gold linker:
+| ../libxslt/.libs/libxslt.so: error: undefined reference to 'fmod'
+| ../libxslt/.libs/libxslt.so: error: undefined reference to 'pow'
+| ../libexslt/.libs/libexslt.so: error: undefined reference to 'floor'
+| collect2: error: ld returned 1 exit status
+
+Upstream-Status: Submitted [mailing list, Feb 10 2017]
+Signed-off-by: Jussi Kukkonen <jussi kukkonen intel com>
+---
+ libexslt/Makefile.am | 2 +-
+ libxslt/Makefile.am  | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/libexslt/Makefile.am b/libexslt/Makefile.am
+index 1cf5138..5449524 100644
+--- a/libexslt/Makefile.am
++++ b/libexslt/Makefile.am
+@@ -27,7 +27,7 @@ libexslt_la_SOURCES =                   \
+       libexslt.h                      \
+       dynamic.c
+ 
+-libexslt_la_LIBADD = $(top_builddir)/libxslt/libxslt.la $(EXTRA_LIBS) $(LIBGCRYPT_LIBS)
++libexslt_la_LIBADD = $(top_builddir)/libxslt/libxslt.la $(EXTRA_LIBS) $(LIBGCRYPT_LIBS) $(M_LIBS)
+ libexslt_la_LDFLAGS = $(WIN32_EXTRA_LDFLAGS) -version-info $(LIBEXSLT_VERSION_INFO)
+ 
+ man_MANS = libexslt.3
+diff --git a/libxslt/Makefile.am b/libxslt/Makefile.am
+index d9fed68..9d44c3d 100644
+--- a/libxslt/Makefile.am
++++ b/libxslt/Makefile.am
+@@ -62,7 +62,7 @@ else
+ LIBXSLT_VERSION_SCRIPT =
+ endif
+ 
+-libxslt_la_LIBADD = $(LIBXML_LIBS) $(EXTRA_LIBS)
++libxslt_la_LIBADD = $(LIBXML_LIBS) $(M_LIBS) $(EXTRA_LIBS)
+ libxslt_la_LDFLAGS =                                  \
+               $(WIN32_EXTRA_LDFLAGS)                  \
+               $(LIBXSLT_VERSION_SCRIPT)               \
+-- 
+2.1.4
+
diff --git a/meta/recipes-support/libxslt/libxslt_1.1.29.bb b/meta/recipes-support/libxslt/libxslt_1.1.29.bb
index be747e6..2946a74 100644
--- a/meta/recipes-support/libxslt/libxslt_1.1.29.bb
+++ b/meta/recipes-support/libxslt/libxslt_1.1.29.bb
@@ -11,6 +11,7 @@ DEPENDS = "libxml2"
 SRC_URI = "ftp://xmlsoft.org/libxslt/libxslt-${PV}.tar.gz \
            file://pkgconfig_fix.patch \
            file://0001-Use-pkg-config-to-find-gcrypt-and-libxml2.patch \
+           file://0001-Link-libraries-with-libm.patch \
            "
 
 SRC_URI[md5sum] = "a129d3c44c022de3b9dcf6d6f288d72e"