diff options
| author | John Criswell <criswell@uiuc.edu> | 2003-08-05 21:21:58 +0000 |
|---|---|---|
| committer | John Criswell <criswell@uiuc.edu> | 2003-08-05 21:21:58 +0000 |
| commit | 75a005ff4c33cdec161edc6d0be162f2ad3215bc (patch) | |
| tree | a0e75c1e415951a1d52483b45a4852f770a1baf9 | |
| parent | 11a49a722f657294f38865019af51f82dc31c1c3 (diff) | |
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
| -rw-r--r-- | Makefile.common | 6 | ||||
| -rw-r--r-- | Makefile.rules | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/Makefile.common b/Makefile.common index c3ed841492..0eb4b885fc 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 diff --git a/Makefile.rules b/Makefile.rules index c3ed841492..0eb4b885fc 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -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 |