## Process this file with automake to produce Makefile.in -*-Makefile-*-

##m4-files-begin
##m4-files-end

Makefile.am: Makefile.am.in
	rm -f $@ $@t
	sed -n '1,/^##m4-files-begin/p' $< > $@t
	(((echo EXTRA_DIST =; \
	   echo "  README jm-glibc-io.m4 jm-glibc-io.m4n Makefile.am.in" \
	  ) | tr '\012' @); \
	  (echo *.m4|tr ' ' @) ) \
	  |sed 's/@$$/%/;s/@/ \\@/g' |tr @% '\012\012' \
	  >> $@t
	sed -n '/^##m4-files-end/,$$p' $< >> $@t
	echo >> $@t
	echo all-local: glibc-io.stamp >> $@t
	chmod a-w $@t
	mv $@t $@

unlocked_functions = \
  clearerr_unlocked feof_unlocked ferror_unlocked \
  fflush_unlocked fgets_unlocked fputc_unlocked fputs_unlocked \
  fread_unlocked fwrite_unlocked getc_unlocked getchar_unlocked \
  putc_unlocked putchar_unlocked

comma_separated = $(shell echo $(unlocked_functions)|tr -s ' ' ,)
base_functions = $(patsubst %_unlocked,%,$(unlocked_functions))

# Don't depend directly on jm-glibc-io.m4, because that would cause it
# to be created in non-srcdir==. builds, and that leads to problems with
# distcheck.  Note also that we can't add it to DISTCLEANFILES for similar
# reasons.
glibc-io.stamp: jm-glibc-io.m4n Makefile
	if test `pwd` = `cd $(srcdir); pwd`; then			\
	  t=jm-glibc-io.m4;						\
	  src=$(srcdir)/jm-glibc-io.m4n;				\
	  echo "dnl This file is automatically generated from $${t}n."	\
	    > $${t}t;							\
	  echo '' >> $${t}t;						\
	  sed								\
	    -e 's/@space_separated@/$(unlocked_functions)/g'		\
	    -e 's/@comma_separated@/$(comma_separated)/g'		\
	    $$src >> $${t}t;						\
	  move-if-change $${t}t $$t;					\
	fi
	touch $@

DISTCLEANFILES = glibc-io.stamp

unlocked-io.h: unlocked-io.hin Makefile.am.in
	tmp=t$$$$;							\
	echo ''						> $$tmp;	\
	for f in $(base_functions); do					\
	  u=`echo $$f|tr '[:lower:]' '[:upper:]'`;			\
	  echo "#  if HAVE_$${u}_UNLOCKED"		>> $$tmp;	\
	  echo "#   undef $$f"				>> $$tmp;	\
	  echo "#   define $$f(S) $${f}_unlocked (S)"	>> $$tmp;	\
	  echo '#endif'					>> $$tmp;	\
	done;								\
	sed "/^@replace_this@$$/r$$tmp" $<				\
	  | sed "/^@replace_this@$$/d"					\
	  $< > $@t;							\
	rm -f $$tmp;							\
	mv $@t $@