cmake: split embedded source lines just in case if an editor or debugger opens it

Author: illwieckz

cmake/EmbedText.cmake

@@ -15,4 +15,17 @@ else()
 	string(REGEX REPLACE "(..)" "0x\\1," contents ${contents})
 endif()
 
-file(WRITE ${OUTPUT_FILE} "const unsigned char ${VARIABLE_NAME}[] = {${contents}};\n")
+
+string(REGEX REPLACE
+	"(0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,0x..,)" "\\1\n"
+	contents "${contents}"
+)
+
+string(REGEX REPLACE ",$" ",\n" contents "${contents}")
+
+file(WRITE ${OUTPUT_FILE}
+	"const unsigned char ${VARIABLE_NAME}[] =\n"
+	"{\n"
+	"${contents}"
+	"};\n"
+)