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dnl This file is automatically generated from jm-glibc-io.m4n.
#serial 6 -*- autoconf -*-
dnl From Jim Meyering.
dnl
dnl See if the glibc *_unlocked I/O macros are available.
dnl Use only those *_unlocked macros that are declared.
dnl
AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
[
# Kludge (not executed) to make autoheader do the right thing.
if test a = b; then
AC_CHECK_DECLS([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])
AC_CHECK_FUNCS(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)
fi
io_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'
for jm_io_func in $io_functions; do
# Check for the existence of each function only if it is declared.
# Otherwise, we'd get the Solaris5.5.1 functions that are not
# declared, and that have been removed from Solaris5.6. The resulting
# 5.5.1 binaries would not run on 5.6 due to shared library differences.
AC_CHECK_DECLS([$jm_io_func],
jm_declared=yes,
jm_declared=no,
[#include <stdio.h>])
if test $jm_declared = yes; then
AC_CHECK_FUNCS($jm_io_func)
fi
done
]
)
|
