Fix Cmake script

By default cmake build type is set to 'Release'

Added generation of ppd from drv if ppdc is available
Added installation stuff.
so, now 'make install' and 'make package' should work
That is both for mac and for linux

CMakeLists.txt

@@ -1,7 +1,21 @@
 cmake_minimum_required ( VERSION 3.12 )
 
+# set default build type to Release (if nothing else provided from outside yet)
+IF ( NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES )
+	SET ( CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE )
+	set_property ( CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
+			"MinSizeRel" "RelWithDebInfo" )
+ENDIF ()
+
 project ( rastertozj C )
 
+#set ( CMAKE_INSTALL_PREFIX "/usr" CACHE FILEPATH "force install to /usr" FORCE )
+
+function( DIAG VARR )
+	message ( STATUS "${VARR} -> ${${VARR}}" )
+endfunction()
+
+# build the filter binary
 find_package ( Cups REQUIRED )
 find_library ( CUPSIMAGELIB NAMES cupsimage )
 mark_as_advanced ( CUPSIMAGELIB )
@@ -10,7 +24,7 @@ set ( DEBUGFILE "/tmp/debugraster.txt" CACHE STRING "File where to make debug ou
 option ( DEBUGP "Whetner to output debug info" ON )
 
 add_executable ( rastertozj rastertozj.c )
-target_compile_options ( rastertozj PRIVATE -Wall -fPIC -O3 )
+target_compile_options ( rastertozj PRIVATE -Wall -fPIC )
 target_include_directories ( rastertozj PRIVATE ${CUPS_INCLUDE_DIR} )
 target_link_libraries ( rastertozj PRIVATE ${CUPS_LIBRARIES} ${CUPSIMAGELIB} )
 
@@ -18,4 +32,43 @@ if ( DEBUGP )
 	target_compile_definitions ( rastertozj PRIVATE DEBUGP DEBUGFILE="${DEBUGFILE}")
 endif ()
 
+# build ppds
+if ( NOT DEFINED PPDC )
+	find_program ( PPDC ppdc )
+endif ()
+mark_as_advanced( PPDC )
+
+if ( PPDC )
+	set ( ENV{LANG} c )
+	execute_process (
+			COMMAND "${PPDC}" -d "${CMAKE_CURRENT_BINARY_DIR}" "zj-58.drv"
+			WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+			RESULT_VARIABLE res
+			OUTPUT_VARIABLE _CONTENT
+			ERROR_QUIET
+			OUTPUT_STRIP_TRAILING_WHITESPACE )
+endif()
+
+# installation stuff
+
+# this one works if you perform 'make install'
+set ( CMAKE_INSTALL_PREFIX "/usr" CACHE FILEPATH "this is forced to /usr" FORCE )
+
+# this one works if you perform 'make package' - it is kind of root for all packaging
+set ( CPACK_PACKAGING_INSTALL_PREFIX "/" )
+
+
+include ( GNUInstallDirs )
+
+if ( APPLE )
+	set ( FILTERPATH "usr/libexec/cups/filter" )
+	set ( PPDPATH "Library/Printers/PPDs/Contents/Resources")
+elseif ( UNIX )
+	set ( FILTERPATH "usr/lib/cups/filter" )
+	set ( PPDPATH "usr/share/cups/model/zjiang/" )
+endif()
+
+install ( TARGETS rastertozj DESTINATION ${FILTERPATH} )
+install ( FILES ${CMAKE_CURRENT_BINARY_DIR}/zj58.ppd DESTINATION "${PPDPATH}" )
+include (CPack)