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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-11 07:56:30 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-11 07:56:30 +0000 |
commit | c5335ee110cfab1179018f6b0dbd504742017a4e (patch) | |
tree | d9e722697699ca9b0115889744360e188e980b7d /Makefile.in | |
parent | 49d9c3282343f45690d45ce564c33f8bc6b788d2 (diff) | |
download | ruby-c5335ee110cfab1179018f6b0dbd504742017a4e.tar.gz |
* lex.c: renamed from lex.c.blt.
* Makefile.in (lex.c): use find command to check mtime.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'Makefile.in')
-rw-r--r-- | Makefile.in | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/Makefile.in b/Makefile.in index 30c82771db..8287dc1c67 100644 --- a/Makefile.in +++ b/Makefile.in @@ -161,13 +161,18 @@ config.status: $(srcdir)/configure $(srcdir)/configure: $(srcdir)/configure.in cd $(srcdir) && $(AUTOCONF) +# Things which should be considered: +# * with gperf v.s. without gperf +# * ./configure v.s. ../ruby/configure +# * GNU make v.s. HP-UX make # HP-UX make invokes the action if lex.c and keywords has same mtime. lex.c: keywords - ( \ - gperf --output-file=$@.tmp -C -p -j1 -i 1 -g -o -t -N rb_reserved_word -k1,3,$$ $? && \ - cp $@.tmp $@ && \ - mv $@.tmp "$(srcdir)/$@.blt" \ - ) || \ - cp "$(srcdir)/$@.blt" $@ + if test -f $@ && test -z "`find $? -newer $@ -print`"; then \ + touch $@; \ + elif test -f $(srcdir)/lex.c && test -z "`find $? -newer $(srcdir)/lex.c -print`"; then \ + cp $(srcdir)/lex.c $@; \ + else \ + gperf --output-file=$@.tmp -C -p -j1 -i 1 -g -o -t -N rb_reserved_word -k1,3,$$ $? && cp $@.tmp $@; \ + fi .y.c: $(YACC) $(YFLAGS) -o $@ $< |