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-rw-r--r--Makefile.common14
1 files changed, 5 insertions, 9 deletions
diff --git a/Makefile.common b/Makefile.common
index dbb91afade..21d86eb17e 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -727,7 +727,7 @@ YACC_OUTPUT = $(addprefix $(YACC_FILES:%.y=%), .h .cpp .output)
$(SED) 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' | \
$(SED) 's/#define YY_BUF_SIZE 16384/#define YY_BUF_SIZE (16384*64)/' \
> $@.tmp
- $(VERB) cmp $@ $@.tmp > /dev/null || ${MV} -f $@.tmp $@
+ $(VERB) cmp -s $@ $@.tmp > /dev/null || ${MV} -f $@.tmp $@
@# remove the output of flex if it didn't get moved over...
@rm -f $@.tmp
@@ -737,8 +737,8 @@ YACC_OUTPUT = $(addprefix $(YACC_FILES:%.y=%), .h .cpp .output)
%.cpp %.h : %.y
@echo Bison\'ing $<...
$(VERB) $(BISON) -v -d -p $(<:%Parser.y=%) $*.y
- $(VERB) cmp $*.tab.c $*.cpp > /dev/null || ${MV} -f $*.tab.c $*.cpp
- $(VERB) cmp $*.tab.h $*.h > /dev/null || ${MV} -f $*.tab.h $*.h
+ $(VERB) cmp -s $*.tab.c $*.cpp > /dev/null || ${MV} -f $*.tab.c $*.cpp
+ $(VERB) cmp -s $*.tab.h $*.h > /dev/null || ${MV} -f $*.tab.h $*.h
@# If the files were not updated, don't leave them lying around...
@rm -f $*.tab.c $*.tab.h
@@ -762,12 +762,6 @@ clean::
$(VERB) $(RM) -f core core.[0-9][0-9]* *.o *.d *.so *~ *.flc
$(VERB) $(RM) -f $(LEX_OUTPUT) $(YACC_OUTPUT)
-distclean:: clean
- $(VERB) (cd $(LLVM_SRC_ROOT); $(RM) -rf $(LEVEL)/Makefile.config \
- $(LEVEL)/include/Config/config.h \
- $(LEVEL)/autom4te.cache \
- $(LEVEL)/config.log)
-
###########################################################################
# C/C++ Dependencies
# Define variables and rules that generate header file dependencies
@@ -795,7 +789,9 @@ $(BUILD_OBJ_DIR)/Depend/%.d: $(SourceDir)%.c $(BUILD_OBJ_DIR)/Depend/.dir
# are cleaning (this example taken from the GNU Make Manual).
#
ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),distclean)
ifneq ($(SourceDepend),)
-include $(SourceDepend)
endif
endif
+endif