* Makefile.maint (my-distcheck): Skip the c99/c89 check if there's no such .diff...

diff --git a/ChangeLog b/ChangeLog
index 322de837283a60f38f068c23c1f99adeb92bd9a9..17c5c0739144ba163f0244fb81bf3c9fe2e404e7 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,7 @@
        Remove another coreutils-ism.  Formatting cleanup.
        * Makefile.maint (my-distcheck): Update an outdated comment.
        (emit_upload_commands): Use $(PACKAGE) rather than "coreutils".
+       (my-distcheck): Skip the c99/c89 check if there's no such .diff file.
 
 2007-03-01  Jim Meyering  <jim@meyering.net>
 

diff --git a/Makefile.maint b/Makefile.maint
index 34e2d840b42e33351a2c75430b62bd33fdba8ff3..0d86c6c23b9e3fe2682b7371b099dc316c55f2e1 100644 (file)
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -536,11 +536,13 @@ my-distcheck: $(local-check) $(release_archive_dir)/$(prev-tgz)
        (cd $(t) && mv $(distdir) $(distdir).old        \
          && $(AMTAR) -zxf - ) < $(distdir).tar.gz
        diff -ur $(t)/$(distdir).old $(t)/$(distdir)
-       cd $(t)/$(distdir)                              \
-         && (cd src && patch -V never --fuzz=0 <c99-to-c89.diff) \
-         && ./configure --disable-largefile            \
-              CFLAGS='-Werror -ansi -pedantic -Wno-long-long' \
-         && $(MAKE)
+       if test -f $(srcdir)/src/c99-to-c89.diff; then                  \
+         cd $(t)/$(distdir)                                            \
+           && (cd src && patch -V never --fuzz=0 <c99-to-c89.diff)     \
+           && ./configure --disable-largefile                          \
+                CFLAGS='-Werror -ansi -pedantic -Wno-long-long'        \
+           && $(MAKE);                                                 \
+       fi
        -rm -rf $(t)
        @echo "========================"; \
        echo "$(distdir).tar.gz is ready for distribution"; \