[Buildroot] [PATCH 1/1] package/wireshark: fix static build with snappy

[Fabrice Fontaine]

Fixes:
 - http://autobuild.buildroot.org/results/419468f0d7d3c2b64d420513aa9505c6de097ed2

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
---
 .../0005-FindSNAPPY-fix-static-build.patch    | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 package/wireshark/0005-FindSNAPPY-fix-static-build.patch

diff --git a/package/wireshark/0005-FindSNAPPY-fix-static-build.patch b/package/wireshark/0005-FindSNAPPY-fix-static-build.patch
new file mode 100644
index 0000000000..1218dca4f2
--- /dev/null
+++ b/package/wireshark/0005-FindSNAPPY-fix-static-build.patch
@@ -0,0 +1,36 @@
+From db32ad65197060a4474fd61dec4daddc9f59b7af Mon Sep 17 00:00:00 2001
+From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+Date: Wed, 24 Apr 2019 22:57:58 +0200
+Subject: [PATCH] FindSNAPPY: fix static build
+
+On UNIX, when statically built, snappy can depends on stdc++. This
+dependency can't be retrieved through pkg-config as the latest version
+of snappy (1.1.7) does not provide any .pc files so append -lstdc++
+manually to SNAPPY_LIBRARIES
+
+Change-Id: Ia3b9c09fed77eb69bfbe011d7c49c8ecc63d45d1
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
+---
+ cmake/modules/FindSNAPPY.cmake | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/cmake/modules/FindSNAPPY.cmake b/cmake/modules/FindSNAPPY.cmake
+index 7964c9d145..ec5cf6fda8 100644
+--- a/cmake/modules/FindSNAPPY.cmake
++++ b/cmake/modules/FindSNAPPY.cmake
+@@ -37,6 +37,12 @@ find_package_handle_standard_args( SNAPPY DEFAULT_MSG SNAPPY_LIBRARY SNAPPY_INCL
+ if( SNAPPY_FOUND )
+   set( SNAPPY_INCLUDE_DIRS ${SNAPPY_INCLUDE_DIR} )
+   set( SNAPPY_LIBRARIES ${SNAPPY_LIBRARY} )
++  # Include transitive dependencies for static linking.
++  # Unfortunately snappy 1.1.7 does not provide any pc file so pkg-config can't
++  # be used to retrieve lstdc++ dependency so add it manually
++  if(UNIX)
++    list( APPEND SNAPPY_LIBRARIES -lstdc++ )
++  endif()
+   if (WIN32)
+     set ( SNAPPY_DLL_DIR "${SNAPPY_HINTS}/bin"
+       CACHE PATH "Path to Snappy DLL"
+-- 
+2.20.1
+
-- 
2.20.1