* acgeneral.m4 (AC_OUTPUT_FILES): allow for multiple files in

		AC_OUTPUT; this is done via
		AC_OUTPUT(outfile[:infile1[+infile2[+infile3...]]]).  The
		source files are concatenated and substituted over.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@8341 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/util/autoconf/acgeneral.m4 b/src/util/autoconf/acgeneral.m4
index f2ac545cd6228a1d1c62e5a25d69bbe18897fad6..4e3d2a87002226521695852b6ae75aa90806783c 100644 (file)
--- a/src/util/autoconf/acgeneral.m4
+++ b/src/util/autoconf/acgeneral.m4
@@ -1987,7 +1987,19 @@ changequote([, ])dnl
 ])dnl
   echo creating "$ac_file"
   rm -f "$ac_file"
-  configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
+  # allow for outfile[:infile1[+infile2[+infile3...]]] syntax
+  IFS="${IFS=  }"; ac_save_ifs="$IFS"; IFS="${IFS}+"
+  ac_files_in=
+  for ac_file_name in $ac_file_in
+  do
+    ac_files_in="$ac_files_in $ac_given_srcdir/$ac_file_name"
+  done
+  IFS="$ac_save_ifs"
+  configure_input=`echo $ac_files_in | sed 's%/./%/%g
+s%  *./%%g
+s%  *%+%g
+s%^%Generated automatically from %
+s%$% by configure.%'`
   case "$ac_file" in
   *Makefile*) ac_comsub="1i\\
 # $configure_input" ;;
@@ -1999,7 +2011,7 @@ s%@srcdir@%$srcdir%g
 s%@top_srcdir@%$top_srcdir%g
 ifdef([AC_PROVIDE_AC_PROG_INSTALL], [s%@INSTALL@%$INSTALL%g
 ])dnl
-" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
+" -f conftest.subs $ac_files_in > $ac_file
 dnl This would break Makefile dependencies.
 dnl  if cmp -s $ac_file conftest.out 2>/dev/null; then
 dnl    echo "$ac_file is unchanged"