add libssh

Signed-off-by: Mislav Novakovic <mislav.novakovic@sartura.hr>

libs/libssh/Makefile

@@ -0,0 +1,85 @@
+#
+# Copyright (C) 2017 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_LICENSE:=LGPL-2.1+ BSD-2-Clause
+PKG_MAINTAINER:=Mislav Novakovic <mislav.novakovic@sartura.hr>
+
+PKG_NAME:=libssh
+PKG_VERSION:=0.7.5
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_VERSION:=0588cbf9d43e7819e453c8b35c1b5e515d815473
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_SOURCE_VERSION).tar.bz2
+PKG_SOURCE_URL:=git://git.libssh.org/projects/libssh.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_SOURCE_VERSION)
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_SOURCE_SUBDIR)
+
+CMAKE_INSTALL:=1
+
+PKG_BUILD_PARALLEL:=1
+PKG_INSTALL:=1
+PKG_USE_MIPS16:=0
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/libssh
+  SECTION:=lib
+  CATEGORY:=Libraries
+  URL:=$(PKG_SOURCE_URL)
+  TITLE:=SSH library
+  DEPENDS:=+libpthread +librt +zlib +libopenssl
+endef
+
+define Package/libssh/description
+ libssh is a mulitplatform C library implementing the SSHv2 and SSHv1 protocol
+ for client and server implementations.
+endef
+
+CMAKE_OPTIONS = \
+	-DCMAKE_INSTALL_PREFIX:PATH=/usr \
+	-DCMAKE_BUILD_TYPE:STRING=Release \
+	-DHAVE_STRTOULL=1 \
+	-DHAVE_GETADDRINFO=1 \
+	-DHAVE_TERMIOS_H=1 \
+	-DWITH_EXAMPLES:BOOL=OFF \
+	-DWITH_GCRYPT:BOOL=OFF \
+	-DWITH_GSSAPI:BOOL=OFF \
+	-DWITH_LIBZ:BOOL=ON \
+	-DWITH_NACL:BOOL=OFF \
+	-DWITH_PCAP:BOOL=OFF \
+	-DWITH_SERVER:BOOL=ON \
+	-DWITH_SFTP:BOOL=ON \
+	-DWITH_SSH1:BOOL=OFF \
+	-DWITH_TESTING:BOOL=OFF \
+
+ifeq ($(CONFIG_BIG_ENDIAN),y)
+CMAKE_OPTIONS += -DWITH_BIG_ENDIAN=ON
+else
+CMAKE_OPTIONS += -DWITH_BIG_ENDIAN=OFF
+endif
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/libssh/
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/libssh/* $(1)/usr/include/libssh/
+
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/lib/libssh* $(1)/usr/lib/
+
+	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/* $(1)/usr/lib/pkgconfig/
+endef
+
+define Package/libssh/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/lib/libssh* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,libssh))

libs/libssh/patches/001-compile.patch

@@ -0,0 +1,35 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -35,10 +35,6 @@ include(DefineInstallationPaths)
+ include(DefineOptions.cmake)
+ include(CPackConfig.cmake)
+ 
+-# disallow in-source build
+-include(MacroEnsureOutOfSourceBuild)
+-macro_ensure_out_of_source_build("${PROJECT_NAME} requires an out of source build. Please create a separate build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there.")
+-
+ # search for libraries
+ if (WITH_ZLIB)
+     find_package(ZLIB REQUIRED)
+--- a/ConfigureChecks.cmake
++++ b/ConfigureChecks.cmake
+@@ -5,7 +5,6 @@ include(CheckFunctionExists)
+ include(CheckLibraryExists)
+ include(CheckTypeSize)
+ include(CheckCXXSourceCompiles)
+-include(TestBigEndian)
+ 
+ set(PACKAGE ${APPLICATION_NAME})
+ set(VERSION ${APPLICATION_VERSION})
+@@ -270,6 +269,8 @@ if (WITH_GSSAPI AND NOT GSSAPI_FOUND)
+ endif (WITH_GSSAPI AND NOT GSSAPI_FOUND)
+ 
+ # ENDIAN
+-if (NOT WIN32)
+-    test_big_endian(WORDS_BIGENDIAN)
+-endif (NOT WIN32)
++if (WITH_BIG_ENDIAN)
++  set(WORDS_BIGENDIAN 1)
++else (WITH_BIG_ENDIAN)
++  set(WORDS_BIGENDIAN 0)
++endif (WITH_BIG_ENDIAN)

libs/libssh/patches/002-disable-libssp.patch

@@ -0,0 +1,22 @@
+--- a/cmake/Modules/DefineCompilerFlags.cmake
++++ b/cmake/Modules/DefineCompilerFlags.cmake
+@@ -1,7 +1,6 @@
+ # define system dependent compiler flags
+ 
+ include(CheckCCompilerFlag)
+-include(CheckCCompilerFlagSSP)
+ 
+ if (UNIX AND NOT WIN32)
+     #
+@@ -21,11 +20,6 @@ if (UNIX AND NOT WIN32)
+             set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
+         endif (WITH_FPIC)
+ 
+-        check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
+-        if (WITH_STACK_PROTECTOR)
+-            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector")
+-        endif (WITH_STACK_PROTECTOR)
+-
+         if (CMAKE_BUILD_TYPE)
+             string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
+             if (CMAKE_BUILD_TYPE_LOWER MATCHES (release|relwithdebinfo|minsizerel))