Added Gpgme module

GpgmeConfig.cmake

@@ -0,0 +1,86 @@
+# - Try to find the Gpgme library
+# Once done this will define
+#
+#  Gpgme_FOUND - system has Gpgme
+#  Gpgme_INCLUDE_DIR - the Gpgme include directory
+#  Gpgme_LIBRARIES - Link these to use Gpgme
+
+if ( Gpgme_INCLUDE_DIR AND Gpgme_LIBRARIES )
+
+	# Already in cache
+	set(GPGME_FOUND TRUE)
+
+else()
+
+	execute_process(COMMAND gpgme-config --libs RESULT_VARIABLE RET OUTPUT_VARIABLE str_libs OUTPUT_STRIP_TRAILING_WHITESPACE)
+	if (NOT ${RET} EQUAL 0)
+		return()
+	endif()
+
+	execute_process(COMMAND gpgme-config --cflags RESULT_VARIABLE RET OUTPUT_VARIABLE str_includes OUTPUT_STRIP_TRAILING_WHITESPACE)
+	if (NOT ${RET} EQUAL 0)
+		return()
+	endif()
+
+	string(FIND ${str_libs} " " pos)
+	if(${pos} EQUAL -1)
+		string(LENGTH ${str_libs} pos)
+	endif()
+
+	while(${pos} GREATER 0)
+		math(EXPR length "${pos} - 1")
+		math(EXPR next "${pos} + 1")
+		string(LENGTH ${str_libs} strlength)
+		math(EXPR strlength "${strlength} - 1")
+
+		string(SUBSTRING ${str_libs} 1 1 prefix)
+
+		if (length GREATER strlength OR length EQUAL strlength)
+			string(SUBSTRING ${str_libs} 2 -1 value)
+			set(pos -1)
+		else()
+			string(SUBSTRING ${str_libs} 2 ${length} value)
+
+			string(SUBSTRING ${str_libs} ${next} -1 str_libs)
+			string(FIND ${str_libs} " " pos)
+		endif()
+
+		string(STRIP ${value} value)
+
+		if (${prefix} STREQUAL "L")
+			list(APPEND GPGME_LIBRARY_DIRS ${value})
+		elseif(${prefix} STREQUAL "l")
+			list(APPEND GPGME_LIBRARIES ${value})
+		endif()
+	endwhile()
+
+	string(FIND ${str_includes} " " pos)
+	if(${pos} EQUAL -1)
+		string(LENGTH ${str_includes} pos)
+	endif()
+
+	while(${pos} GREATER 0)
+		math(EXPR length "${pos} - 1")
+		math(EXPR next "${pos} + 1")
+		string(LENGTH ${str_includes} strlength)
+		math(EXPR strlength "${strlength} - 1")
+
+		string(SUBSTRING ${str_includes} 1 1 prefix)
+
+		if (length GREATER strlength OR length EQUAL strlength)
+			string(SUBSTRING ${str_includes} 2 -1 value)
+			set(pos -1)
+		else()
+			string(SUBSTRING ${str_includes} 2 ${length} value)
+
+			string(SUBSTRING ${str_includes} ${next} -1 str_includes)
+			string(FIND ${str_includes} " " pos)
+		endif()
+
+		string(STRIP ${value} value)
+
+		if (${prefix} STREQUAL "I")
+			list(APPEND GPGME_INCLUDE_DIRS ${value})
+		endif()
+	endwhile()
+endif()