[log4cpp] Add new port. (#7433)

ports/log4cpp/CONTROL

@@ -0,0 +1,5 @@
+Source: log4cpp
+Version: 2.9.1-1
+Homepage: https://github.com/orocos-toolchain/log4cpp
+Description: Log4cpp is library of C++ classes for flexible logging to files, syslog, IDSA and other destinations. It is modeled after the Log4j Java library, staying as close to their API as is reasonable.
+

ports/log4cpp/fix-install-targets.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 8db2287..529c18e 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -159,7 +159,7 @@ INSTALL (
+ INSTALL(TARGETS ${LOG4CPP_LIBRARY_NAME}
+     LIBRARY DESTINATION lib
+     ARCHIVE DESTINATION lib
+-    RUNTIME DESTINATION lib)
++    RUNTIME DESTINATION bin)
+ 
+ INSTALL(FILES package.xml DESTINATION share/log4cpp)
+ 

ports/log4cpp/portfile.cmake

@@ -0,0 +1,36 @@
+include(vcpkg_common_functions)
+
+if(VCPKG_CMAKE_SYSTEM_NAME MATCHES "WindowsStore")
+    message(FATAL_ERROR "${PORT} does not currently support UWP.")
+endif()
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO orocos-toolchain/log4cpp
+    REF v2.9.1
+    SHA512 5bd222c820a15c5d96587ac9fe864c3e2dc0fbce8389692be8dd41553ac0308002ad8d6f4ef3ef10af1d796f8ded410788d1a5d22f15505fac639da3f73e3518
+    HEAD_REF master
+    PATCHES
+        fix-install-targets.patch
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+)
+
+vcpkg_install_cmake()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/pkgconfig TARGET_PATH share/${PORT})
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+    file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/bin ${CURRENT_PACKAGES_DIR}/debug/bin)
+endif()
+
+vcpkg_copy_pdbs()
+
+# Handle copyright
+file(COPY ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/${PORT}/COPYING ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright)