From 75a005ff4c33cdec161edc6d0be162f2ad3215bc Mon Sep 17 00:00:00 2001 From: John Criswell Date: Tue, 5 Aug 2003 21:21:58 +0000 Subject: Switched from using diff to cmp for two reasons: o Not all versions of diff have the -q option o The cmp program is probably faster than diff Fixed the logic that only copies the file over if no differences are found. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7615 91177308-0d34-0410-b5e6-96231b3b80d8 --- Makefile.common | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Makefile.common') diff --git a/Makefile.common b/Makefile.common index c3ed841..0eb4b88 100644 --- a/Makefile.common +++ b/Makefile.common @@ -773,7 +773,7 @@ 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) diff -q $@ $@.tmp > /dev/null || ${MV} -f $@.tmp $@ + $(VERB) cmp $@ $@.tmp > /dev/null && ${MV} -f $@.tmp $@ @# remove the output of flex if it didn't get moved over... @rm -f $@.tmp @@ -783,8 +783,8 @@ YACC_OUTPUT = $(addprefix $(YACC_FILES:%.y=%), .h .cpp .output) %.cpp %.h : %.y @echo Bison\'ing $<... $(VERB) $(BISON) -v -d -p $(<:%Parser.y=%) $*.y - $(VERB) diff -q $*.tab.c $*.cpp > /dev/null || ${MV} -f $*.tab.c $*.cpp - $(VERB) diff -q $*.tab.h $*.h > /dev/null || ${MV} -f $*.tab.h $*.h + $(VERB) cmp $*.tab.c $*.cpp > /dev/null && ${MV} -f $*.tab.c $*.cpp + $(VERB) cmp $*.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 -- cgit v1.1