Add YaccObject class

solenv/gbuild/platform/winmingw.mk

@@ -42,6 +42,7 @@ gb_CXX := $(CXX)
 gb_AR := $(shell $(CC) -print-prog-name=ar)
 gb_AWK := awk
 gb_CLASSPATHSEP := :
+gb_YACC := bison
 gb_RC := $(WINDRES)
 ifeq ($(USE_MINGW),cygwin)
 gb_MINGWLIBDIR := $(COMPATH)/lib/mingw
@@ -222,6 +223,16 @@ $(patsubst $(SRCDIR)%,$(gb_Helper_SRCDIR_NATIVE)%, \
 $(1)))))
 endef
 
+# YaccObject class
+
+define gb_YaccObject__command
+$(call gb_Output_announce,$(2),$(true),YAC,3)
+$(call gb_Helper_abbreviate_dirs,\
+	mkdir -p $(dir $(3)) && \
+	$(gb_YACC) $(T_YACCFLAGS) --defines=$(4) -o $(3) $(1) )
+
+endef
+
 # CObject class
 
 # We (LibreOffice) support MinGW only for cross-compilation. This is identical to