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Merge changes from gnulib. This was prompted because the CVS

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snapshot of Bison didn't build on Solaris 7 due to strnlen problems.
This commit is contained in:
Paul Eggert
2003-03-12 23:08:11 +00:00
parent 4f8a9f6dba
commit f61aad9399
33 changed files with 719 additions and 294 deletions
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22
m4/unlocked-io.m4 Normal file
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#serial 7 -*- autoconf -*-
dnl From Jim Meyering.
dnl
dnl See if the glibc *_unlocked I/O macros or functions are available.
dnl Use only those *_unlocked macros or functions that are declared
dnl (because some of them were declared in Solaris 2.5.1 but were removed
dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run
dnl on Solaris 2.6).
AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
[
dnl Persuade glibc <stdio.h> to declare fgets_unlocked(), fputs_unlocked()
dnl etc.
AC_REQUIRE([AC_GNU_SOURCE])
AC_CHECK_DECLS_ONCE(
[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])
])