log4cplus detection under macports

src/cmake_modules/Findlog4cplus.cmake

@@ -0,0 +1,35 @@
+# - Try to find log4cplus
+# Once done, this will define
+#
+#  log4cplus_FOUND - system has log4cplus
+#  log4cplus_INCLUDE_DIRS - the log4cplus include directories
+#  log4cplus_LIBRARIES - link these to use log4cplus
+
+#libfind_pkg_check_modules(log4cplus_PKGCONF log4cplus)
+
+# Include dir
+find_path(log4cplus_INCLUDE_DIR
+  NAMES log4cplus/version.h
+  HINTS "/usr/include"
+        "/usr/include/log4cplus"
+        "/usr/local/include"
+        "/usr/local/include/log4cplus"
+        "/opt/local/include"
+        "/opt/local/include/log4cplus"
+        ${log4cplus_PKGCONF_INCLUDE_DIRS}
+)
+
+# Finally the library itself
+find_library(log4cplus_LIB
+  NAMES log4cplus liblog4cplus liblog4cplus-static
+  HINTS "/usr/lib"
+        "/usr/local/lib"
+        "/opt/local/lib"
+        ${log4cplus_PKGCONF_LIBRARY_DIRS}
+)
+
+set(log4cplus_PROCESS_INCLUDES log4cplus_INCLUDE_DIR)
+set(log4cplus_PROCESS_LIBS log4cplus_LIB)
+
+libfind_process(log4cplus)
+