Mercurial > hg > octave-nkf > gnulib-hg
changeset 14943:6e62e423a53b
fpending: Move AC_LIBOBJ invocations to module description.
* m4/fpending.m4 (gl_PREREQ_FPENDING): New macro, extracted from
gl_FUNC_FPENDING.
(gl_FUNC_FPENDING): Move AC_LIBOBJ and gl_PREREQ_FPENDING
invocations from here...
* modules/fpending (configure.ac): ... to here.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 07 May 2011 12:23:53 +0200 |
parents | 4865e1e7bc02 |
children | 69610f25d34f |
files | ChangeLog m4/fpending.m4 modules/fpending |
diffstat | 3 files changed, 68 insertions(+), 54 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2011-05-07 Bruno Haible <bruno@clisp.org> + + fpending: Move AC_LIBOBJ invocations to module description. + * m4/fpending.m4 (gl_PREREQ_FPENDING): New macro, extracted from + gl_FUNC_FPENDING. + (gl_FUNC_FPENDING): Move AC_LIBOBJ and gl_PREREQ_FPENDING + invocations from here... + * modules/fpending (configure.ac): ... to here. + 2011-05-07 Bruno Haible <bruno@clisp.org> fopen: Move AC_LIBOBJ invocations to module description.
--- a/m4/fpending.m4 +++ b/m4/fpending.m4 @@ -1,4 +1,4 @@ -# serial 15 +# serial 16 # Copyright (C) 2000-2001, 2004-2011 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -24,60 +24,61 @@ # endif ' AC_CHECK_DECLS([__fpending], , , $fp_headers) - if test $ac_cv_func___fpending = no; then - AC_CACHE_CHECK( +]) + +AC_DEFUN([gl_PREREQ_FPENDING], +[ + AC_CACHE_CHECK( [how to determine the number of pending output bytes on a stream], - ac_cv_sys_pending_output_n_bytes, - [ - for ac_expr in \ - \ - '# glibc2' \ - 'fp->_IO_write_ptr - fp->_IO_write_base' \ - \ - '# traditional Unix' \ - 'fp->_ptr - fp->_base' \ - \ - '# BSD' \ - 'fp->_p - fp->_bf._base' \ - \ - '# SCO, Unixware' \ - '(fp->__ptr ? fp->__ptr - fp->__base : 0)' \ - \ - '# QNX' \ - '(fp->_Mode & 0x2000 /*_MWRITE*/ ? fp->_Next - fp->_Buf : 0)' \ - \ - '# old glibc?' \ - 'fp->__bufp - fp->__buffer' \ - \ - '# old glibc iostream?' \ - 'fp->_pptr - fp->_pbase' \ - \ - '# emx+gcc' \ - 'fp->_ptr - fp->_buffer' \ - \ - '# VMS' \ - '(*fp)->_ptr - (*fp)->_base' \ - \ - '# e.g., DGUX R4.11; the info is not available' \ - 1 \ - ; do + ac_cv_sys_pending_output_n_bytes, + [ + for ac_expr in \ + \ + '# glibc2' \ + 'fp->_IO_write_ptr - fp->_IO_write_base' \ + \ + '# traditional Unix' \ + 'fp->_ptr - fp->_base' \ + \ + '# BSD' \ + 'fp->_p - fp->_bf._base' \ + \ + '# SCO, Unixware' \ + '(fp->__ptr ? fp->__ptr - fp->__base : 0)' \ + \ + '# QNX' \ + '(fp->_Mode & 0x2000 /*_MWRITE*/ ? fp->_Next - fp->_Buf : 0)' \ + \ + '# old glibc?' \ + 'fp->__bufp - fp->__buffer' \ + \ + '# old glibc iostream?' \ + 'fp->_pptr - fp->_pbase' \ + \ + '# emx+gcc' \ + 'fp->_ptr - fp->_buffer' \ + \ + '# VMS' \ + '(*fp)->_ptr - (*fp)->_base' \ + \ + '# e.g., DGUX R4.11; the info is not available' \ + 1 \ + ; do - # Skip each embedded comment. - case "$ac_expr" in '#'*) continue;; esac - - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], - [[FILE *fp = stdin; (void) ($ac_expr);]])], - [fp_done=yes] - ) - test "$fp_done" = yes && break - done + # Skip each embedded comment. + case "$ac_expr" in '#'*) continue;; esac - ac_cv_sys_pending_output_n_bytes=$ac_expr - ] - ) - AC_DEFINE_UNQUOTED([PENDING_OUTPUT_N_BYTES], - $ac_cv_sys_pending_output_n_bytes, - [the number of pending output bytes on stream `fp']) - AC_LIBOBJ([fpending]) - fi + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], + [[FILE *fp = stdin; (void) ($ac_expr);]])], + [fp_done=yes] + ) + test "$fp_done" = yes && break + done + + ac_cv_sys_pending_output_n_bytes=$ac_expr + ] + ) + AC_DEFINE_UNQUOTED([PENDING_OUTPUT_N_BYTES], + $ac_cv_sys_pending_output_n_bytes, + [the number of pending output bytes on stream `fp']) ])