diff options
| -rw-r--r-- | Makefile.cfg | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Makefile.cfg b/Makefile.cfg index 9400a3502..4a002d544 100644 --- a/Makefile.cfg +++ b/Makefile.cfg @@ -1,3 +1,4 @@ +# -*- makefile -*- ## Customize Makefile.maint. move_if_change = move-if-change @@ -19,3 +20,45 @@ wget_files = \ $(srcdir)/config.sub \ $(srcdir)/doc/texinfo.tex \ $(srcdir)/src/ansi2knr.c + +############################################### + +io_functions = \ + clearerr feof ferror fflush fgets fputc fputs \ + fread fwrite getc getchar putc putchar +unlocked_io_functions = $(patsubst %,%_unlocked,$(io_functions)) + +comma_separated = $(shell echo $(unlocked_io_functions)|tr -s ' ' ,) +base_functions = $(patsubst %_unlocked,%,$(unlocked_io_functions)) + +# This temp file may not be e.g., $@t, since that may be in a read-only +# directory. Instead, use a file in the current directory. +t_io = $(notdir $@)t + +# This rule requires GNU make. +$(srcdir)/m4/jm-glibc-io.m4: $(srcdir)/m4/jm-glibc-io.m4n Makefile.am + echo dnl This file is automatically generated from $(notdir $<). \ + > $(t_io) + echo >> $(t_io) + sed \ + -e 's/@space_separated@/$(unlocked_io_functions)/g' \ + -e 's/@comma_separated@/$(comma_separated)/g' \ + $< >> $(t_io) + move-if-change $(t_io) $@ + +# This rule requires GNU make. +unlocked-io.h: unlocked-io.hin Makefile.cfg + 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 $@ |