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73cc72729a
This patch moves the gdb/gnulib subdirectory to the top level. It adjusts the top-level build system to build gnulib when necessary, and changes gdb to use this. However, gdbserver still builds its own copy of gnulib, just from the new source location. A small hack was needed to ensure that gnulib is only built when gdb is enabled. The Makefile only provides an ordering -- the directory must be mentioned in configdirs to actually be compiled at all. Most of the patch is just a "git mv" of gnulib, though a few minor path adjustments were needed in some files there. Tested by the buildbot. ChangeLog 2019-06-14 Tom Tromey <tom@tromey.com> * MAINTAINERS: Add gnulib. * gnulib: New directory, move from gdb/gnulib. * configure.ac (host_libs): Add gnulib. * configure: Rebuild. * Makefile.def (host_modules, dependencies): Add gnulib. * Makefile.in: Rebuild. gdb/ChangeLog 2019-06-14 Tom Tromey <tom@tromey.com> * gnulib: Move directory to top-level. * configure.ac: Don't configure gnulib. * configure: Rebuild. * common/common-defs.h: Use new path to gnulib. * Makefile.in (GNULIB_BUILDDIR): Now ../gnulib. (GNULIB_H): Remove. (INCGNU): Look in new gnulib location. (HFILES_NO_SRCDIR): Remove gnulib files. (SUBDIR, REQUIRED_SUBDIRS): Remove gnulib. (generated_files): Remove GNULIB_H. ($(LIBGNU), all-lib): Remove targets. (distclean): Don't mention GNULIB_BUILDDIR. ($(GNULIB_BUILDDIR)/Makefile): Remove target. gdb/gdbserver/ChangeLog 2019-06-14 Tom Tromey <tom@tromey.com> * configure.ac: Use new path to gnulib. * configure: Rebuild. * Makefile.in (INCGNU, $(GNULIB_BUILDDIR)/Makefile): Use new path to gnulib. gnulib/ChangeLog 2019-06-14 Tom Tromey <tom@tromey.com> * update-gnulib.sh: Adjust paths. * Makefile.in: Adjust paths. * configure.ac: Adjust paths. Use ACX_LARGEFILE. * configure: Rebuild.
226 lines
11 KiB
Plaintext
226 lines
11 KiB
Plaintext
# stdio_h.m4 serial 48
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dnl Copyright (C) 2007-2016 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_STDIO_H],
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[
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AH_VERBATIM([MINGW_ANSI_STDIO],
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[/* Use GNU style printf and scanf. */
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#ifndef __USE_MINGW_ANSI_STDIO
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# undef __USE_MINGW_ANSI_STDIO
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#endif
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])
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AC_DEFINE([__USE_MINGW_ANSI_STDIO])
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AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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gl_NEXT_HEADERS([stdio.h])
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dnl Determine whether __USE_MINGW_ANSI_STDIO makes printf and
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dnl inttypes.h behave like gnu instead of system; we must give our
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dnl printf wrapper the right attribute to match.
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AC_CACHE_CHECK([which flavor of printf attribute matches inttypes macros],
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[gl_cv_func_printf_attribute_flavor],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#define __STDC_FORMAT_MACROS 1
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#include <stdio.h>
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#include <inttypes.h>
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/* For non-mingw systems, compilation will trivially succeed.
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For mingw, compilation will succeed for older mingw (system
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printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */
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#if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) && \
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(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
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extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1];
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#endif
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]])], [gl_cv_func_printf_attribute_flavor=system],
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[gl_cv_func_printf_attribute_flavor=gnu])])
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if test "$gl_cv_func_printf_attribute_flavor" = gnu; then
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AC_DEFINE([GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU], [1],
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[Define to 1 if printf and friends should be labeled with
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attribute "__gnu_printf__" instead of "__printf__"])
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fi
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dnl No need to create extra modules for these functions. Everyone who uses
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dnl <stdio.h> likely needs them.
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GNULIB_FSCANF=1
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gl_MODULE_INDICATOR([fscanf])
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GNULIB_SCANF=1
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gl_MODULE_INDICATOR([scanf])
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GNULIB_FGETC=1
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GNULIB_GETC=1
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GNULIB_GETCHAR=1
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GNULIB_FGETS=1
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GNULIB_FREAD=1
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-read.c"
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is
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dnl also an optimization, to avoid performing a configure check whose result
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
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dnl or GNULIB_NONBLOCKING redundant.
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m4_ifdef([gl_NONBLOCKING_IO], [
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gl_NONBLOCKING_IO
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if test $gl_cv_have_nonblocking != yes; then
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REPLACE_STDIO_READ_FUNCS=1
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AC_LIBOBJ([stdio-read])
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fi
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])
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dnl No need to create extra modules for these functions. Everyone who uses
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dnl <stdio.h> likely needs them.
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GNULIB_FPRINTF=1
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GNULIB_PRINTF=1
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GNULIB_VFPRINTF=1
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GNULIB_VPRINTF=1
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GNULIB_FPUTC=1
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GNULIB_PUTC=1
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GNULIB_PUTCHAR=1
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GNULIB_FPUTS=1
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GNULIB_PUTS=1
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GNULIB_FWRITE=1
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is
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dnl also an optimization, to avoid performing a configure check whose result
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_SIGPIPE or
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dnl GNULIB_SIGPIPE redundant.
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m4_ifdef([gl_SIGNAL_SIGPIPE], [
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gl_SIGNAL_SIGPIPE
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if test $gl_cv_header_signal_h_SIGPIPE != yes; then
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REPLACE_STDIO_WRITE_FUNCS=1
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AC_LIBOBJ([stdio-write])
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fi
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])
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dnl This ifdef is necessary to avoid an error "missing file lib/stdio-write.c"
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dnl "expected source file, required through AC_LIBSOURCES, not found". It is
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dnl also an optimization, to avoid performing a configure check whose result
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dnl is not used. But it does not make the test of GNULIB_STDIO_H_NONBLOCKING
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dnl or GNULIB_NONBLOCKING redundant.
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m4_ifdef([gl_NONBLOCKING_IO], [
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gl_NONBLOCKING_IO
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if test $gl_cv_have_nonblocking != yes; then
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REPLACE_STDIO_WRITE_FUNCS=1
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AC_LIBOBJ([stdio-write])
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fi
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])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use, and which is not
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dnl guaranteed by both C89 and C11.
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gl_WARN_ON_USE_PREPARE([[#include <stdio.h>
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]], [dprintf fpurge fseeko ftello getdelim getline gets pclose popen
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renameat snprintf tmpfile vdprintf vsnprintf])
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])
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AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_STDIO_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_STDIO_H_DEFAULTS],
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[
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GNULIB_DPRINTF=0; AC_SUBST([GNULIB_DPRINTF])
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GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
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GNULIB_FDOPEN=0; AC_SUBST([GNULIB_FDOPEN])
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GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
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GNULIB_FGETC=0; AC_SUBST([GNULIB_FGETC])
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GNULIB_FGETS=0; AC_SUBST([GNULIB_FGETS])
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GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
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GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
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GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
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GNULIB_FPURGE=0; AC_SUBST([GNULIB_FPURGE])
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GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
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GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
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GNULIB_FREAD=0; AC_SUBST([GNULIB_FREAD])
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GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
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GNULIB_FSCANF=0; AC_SUBST([GNULIB_FSCANF])
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GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
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GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
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GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
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GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
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GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
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GNULIB_GETC=0; AC_SUBST([GNULIB_GETC])
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GNULIB_GETCHAR=0; AC_SUBST([GNULIB_GETCHAR])
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GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
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GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
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GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
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GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
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GNULIB_PCLOSE=0; AC_SUBST([GNULIB_PCLOSE])
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GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
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GNULIB_POPEN=0; AC_SUBST([GNULIB_POPEN])
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GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
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GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
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GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
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GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
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GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
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GNULIB_REMOVE=0; AC_SUBST([GNULIB_REMOVE])
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GNULIB_RENAME=0; AC_SUBST([GNULIB_RENAME])
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GNULIB_RENAMEAT=0; AC_SUBST([GNULIB_RENAMEAT])
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GNULIB_SCANF=0; AC_SUBST([GNULIB_SCANF])
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GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
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GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
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GNULIB_STDIO_H_NONBLOCKING=0; AC_SUBST([GNULIB_STDIO_H_NONBLOCKING])
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GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
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GNULIB_TMPFILE=0; AC_SUBST([GNULIB_TMPFILE])
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GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
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GNULIB_VFSCANF=0; AC_SUBST([GNULIB_VFSCANF])
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GNULIB_VSCANF=0; AC_SUBST([GNULIB_VSCANF])
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GNULIB_VDPRINTF=0; AC_SUBST([GNULIB_VDPRINTF])
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GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
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GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
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GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
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GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])
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GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
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GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_DECL_FPURGE=1; AC_SUBST([HAVE_DECL_FPURGE])
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HAVE_DECL_FSEEKO=1; AC_SUBST([HAVE_DECL_FSEEKO])
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HAVE_DECL_FTELLO=1; AC_SUBST([HAVE_DECL_FTELLO])
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HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
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HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
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HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
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HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
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HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
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HAVE_DPRINTF=1; AC_SUBST([HAVE_DPRINTF])
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HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
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HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
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HAVE_PCLOSE=1; AC_SUBST([HAVE_PCLOSE])
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HAVE_POPEN=1; AC_SUBST([HAVE_POPEN])
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HAVE_RENAMEAT=1; AC_SUBST([HAVE_RENAMEAT])
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HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
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HAVE_VDPRINTF=1; AC_SUBST([HAVE_VDPRINTF])
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REPLACE_DPRINTF=0; AC_SUBST([REPLACE_DPRINTF])
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REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
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REPLACE_FDOPEN=0; AC_SUBST([REPLACE_FDOPEN])
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REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
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REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
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REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
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REPLACE_FPURGE=0; AC_SUBST([REPLACE_FPURGE])
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REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
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REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
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REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
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REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
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REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
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REPLACE_GETDELIM=0; AC_SUBST([REPLACE_GETDELIM])
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REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
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REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
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REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
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REPLACE_POPEN=0; AC_SUBST([REPLACE_POPEN])
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REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
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REPLACE_REMOVE=0; AC_SUBST([REPLACE_REMOVE])
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REPLACE_RENAME=0; AC_SUBST([REPLACE_RENAME])
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REPLACE_RENAMEAT=0; AC_SUBST([REPLACE_RENAMEAT])
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REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
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REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
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REPLACE_STDIO_READ_FUNCS=0; AC_SUBST([REPLACE_STDIO_READ_FUNCS])
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REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
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REPLACE_TMPFILE=0; AC_SUBST([REPLACE_TMPFILE])
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REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
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REPLACE_VDPRINTF=0; AC_SUBST([REPLACE_VDPRINTF])
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REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
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REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
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REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
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REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])
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])
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