Add new make variable BETATARGETS, for CPU targets in beta stage, to include it into distclean list

compiler/Makefile

@@ -353,6 +353,7 @@ override PACKAGE_NAME=compiler
 override PACKAGE_VERSION=3.3.1
 unexport FPC_VERSION FPC_COMPILERINFO
 CYCLETARGETS=i386 powerpc sparc arm x86_64 powerpc64 m68k armeb mipsel mips avr jvm i8086 aarch64 sparc64 riscv32 riscv64 xtensa z80 wasm32 loongarch64
+BETATARGETS=mips64 mips64el
 ALLTARGETS=$(CYCLETARGETS)
 NO_NATIVE_COMPILER_OS_LIST=amstradcpc embedded freertos gba macosclassic msdos msxdos nds palmos sinclairql symbian watcom wii win16 zxspectrum
 NO_NATIVE_COMPILER_CPU_LIST=avr i8086 jvm z80 wasm32
@@ -5091,7 +5092,7 @@ $(CLEAN_TARGETS):
 cycleclean: cleanall $(addsuffix _clean,$(CPC_TARGET))
 	-$(DEL) $(EXENAME)
 clean: tempclean execlean cleanall $(addsuffix _clean,$(CPC_TARGET)) $(addsuffix _clean,$(TARGET_DIRS))
-distclean: tempclean execlean cleanall $(addsuffix _clean,$(ALLTARGETS)) $(addsuffix _distclean,$(TARGET_DIRS))
+distclean: tempclean execlean cleanall $(addsuffix _clean,$(ALLTARGETS) $(BETATARGETS)) $(addsuffix _distclean,$(TARGET_DIRS))
 $(MSG2INC): $(COMPILER_TARGETDIR) $(COMPILER_UNITTARGETDIR) $(COMPILERUTILSDIR)/msg2inc.pp
 	$(COMPILER) -FE. $(COMPILERUTILSDIR)/msg2inc.pp
 msgtxt.inc: $(MSGFILE)

compiler/Makefile.fpc

@@ -34,6 +34,9 @@ unexport FPC_VERSION FPC_COMPILERINFO
 # Which platforms are ready for inclusion in the cycle
 CYCLETARGETS=i386 powerpc sparc arm x86_64 powerpc64 m68k armeb mipsel mips avr jvm i8086 aarch64 sparc64 riscv32 riscv64 xtensa z80 wasm32 loongarch64
 
+# Platforms not yet ready
+BETATARGETS=mips64 mips64el
+
 # All supported targets used for clean
 ALLTARGETS=$(CYCLETARGETS)
 
@@ -759,7 +762,7 @@ cycleclean: cleanall $(addsuffix _clean,$(CPC_TARGET))
 
 clean: tempclean execlean cleanall $(addsuffix _clean,$(CPC_TARGET)) $(addsuffix _clean,$(TARGET_DIRS))
 
-distclean: tempclean execlean cleanall $(addsuffix _clean,$(ALLTARGETS)) $(addsuffix _distclean,$(TARGET_DIRS))
+distclean: tempclean execlean cleanall $(addsuffix _clean,$(ALLTARGETS) $(BETATARGETS)) $(addsuffix _distclean,$(TARGET_DIRS))
 
 
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