Fix Makefile CAPSTONE_BUILD_CORE_ONLY (capstone-engine#1617)

Co-authored-by: Romain Lesteven <[email protected]>

Makefile

@@ -429,23 +429,27 @@ endif
 	$(INSTALL_DATA) include/capstone/*.h $(DESTDIR)$(INCDIR)/$(LIBNAME)
 	mkdir -p $(PKGCFGDIR)
 	$(INSTALL_DATA) $(PKGCFGF) $(PKGCFGDIR)
+ifeq (,$(findstring yes,$(CAPSTONE_BUILD_CORE_ONLY)))
 	mkdir -p $(BINDIR)
 	$(INSTALL_LIB) cstool/cstool $(BINDIR)
+endif
 
 uninstall:
 	rm -rf $(DESTDIR)$(INCDIR)/$(LIBNAME)
 	rm -f $(LIBDIR)/lib$(LIBNAME).*
 	rm -f $(PKGCFGDIR)/$(LIBNAME).pc
+ifeq (,$(findstring yes,$(CAPSTONE_BUILD_CORE_ONLY)))
 	rm -f $(BINDIR)/cstool
+endif
 
 clean:
 	rm -f $(LIBOBJ)
 	rm -f $(BLDIR)/lib$(LIBNAME).* $(BLDIR)/$(LIBNAME).pc
 	rm -f $(PKGCFGF)
 	[ "${ANDROID}" = "1" ] && rm -rf android-ndk-* || true
-	$(MAKE) -C cstool clean
 
 ifeq (,$(findstring yes,$(CAPSTONE_BUILD_CORE_ONLY)))
+	$(MAKE) -C cstool clean
 	$(MAKE) -C tests clean
 	$(MAKE) -C suite/fuzz clean
 	rm -f $(BLDIR)/tests/lib$(LIBNAME).$(EXT)