cmake: SevenZip add CMake support

- prepare for unbundled 7z

Reviewed-by: Roger Meier <r.meier@siemens.com>

SevenZip/CMakeLists.txt

@@ -0,0 +1,80 @@
+set(LIBNAME "PocoSevenZip")
+
+set(SRCS
+    src/Archive.cpp
+    src/ArchiveEntry.cpp
+)
+
+# TODO: Currently only bundled is supported, in future this should also be possible
+# with an unbundled version of 7z
+list(APPEND SRCS
+    src/7zAlloc.c
+    src/7zBuf2.c
+    src/7zBuf.c
+    src/7zCrc.c
+    src/7zCrcOpt.c
+    src/7zDec.c
+    src/7zFile.c
+    src/7zIn.c
+    src/7zStream.c
+#    src/Alloc.c
+    src/Bcj2.c
+    src/Bra86.c
+    src/Bra.c
+#    src/BraIA64.c
+    src/CpuArch.c
+#    src/Delta.c
+#    src/LzFind.c
+#    src/LzFindMt.c
+    src/Lzma2Dec.c
+#    src/Lzma2Enc.c
+    src/Lzma86Dec.c
+#    src/Lzma86Enc.c
+    src/LzmaDec.c
+#    src/LzmaEnc.c
+#    src/LzmaLib.c
+#    src/MtCoder.c
+    src/Ppmd7.c
+    src/Ppmd7Dec.c
+#    src/Ppmd7Enc.c
+#    src/Sha256.c
+#    src/Threads.c
+#    src/Xz.c
+#    src/XzCrc64.c
+#    src/XzDec.c
+#    src/XzEnc.c
+#    src/XzIn.c
+)
+
+include_directories( "include" )
+
+if (NOT POCO_STATIC)
+  add_definitions(-DSevenZip_EXPORTS)
+endif (NOT POCO_STATIC)
+
+add_library( ${LIBNAME} ${LIB_MODE} ${SRCS} )
+set_target_properties( ${LIBNAME}
+	PROPERTIES
+	VERSION ${SHARED_LIBRARY_VERSION} SOVERSION ${SHARED_LIBRARY_VERSION} )
+target_link_libraries( ${LIBNAME} PocoUtil PocoXML PocoFoundation)
+
+install(
+    DIRECTORY include/Poco
+    DESTINATION include
+    PATTERN ".svn" EXCLUDE
+    )
+
+install(
+    TARGETS ${LIBNAME}
+    LIBRARY DESTINATION lib${LIB_SUFFIX}
+    ARCHIVE DESTINATION lib${LIB_SUFFIX}
+    RUNTIME DESTINATION bin
+    )
+
+if (ENABLE_TESTS)
+  # TODO: Enable CMake for samples
+  #add_subdirectory(samples)
+  # TODO: Add tests
+  #add_subdirectory(testsuite)
+endif ()
+