diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/configure.in b/configure.in index 28e91b8af7..afa29a70e0 100644 --- a/configure.in +++ b/configure.in @@ -1093,8 +1093,12 @@ if test "$search_path" != ""; then AC_DEFINE_UNQUOTED(RUBY_SEARCH_PATH,"$search_path") fi -echo "creating config.h" -tr -d '\015' < confdefs.h > config.h +if test -f config.h && tr -d '\015' < confdefs.h | cmp -s config.h -; then + echo "config.h unchanged" +else + echo "creating config.h" + tr -d '\015' < confdefs.h > config.h +fi : > confdefs.h AC_OUTPUT($FIRSTMAKEFILE Makefile ext/extmk.rb) |