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- #serial 8 -*- 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 and Solaris <stdio.h> to declare
- dnl fgets_unlocked(), fputs_unlocked() etc.
- AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
- 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])
- ])
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