diff options
Diffstat (limited to 'm4/sys_file_h.m4')
| -rw-r--r-- | m4/sys_file_h.m4 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/m4/sys_file_h.m4 b/m4/sys_file_h.m4 new file mode 100644 index 0000000..e8d7389 --- /dev/null +++ b/m4/sys_file_h.m4 @@ -0,0 +1,41 @@ +# Configure a replacement for <sys/file.h>. +# serial 6 + +# Copyright (C) 2008-2018 Free Software Foundation, Inc. +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# Written by Richard W.M. Jones. + +AC_DEFUN([gl_HEADER_SYS_FILE_H], +[ + AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS]) + + dnl <sys/file.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/file.h]) + + if test $ac_cv_header_sys_file_h = yes; then + HAVE_SYS_FILE_H=1 + else + HAVE_SYS_FILE_H=0 + fi + AC_SUBST([HAVE_SYS_FILE_H]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use. + gl_WARN_ON_USE_PREPARE([[#include <sys/file.h> + ]], [flock]) +]) + +AC_DEFUN([gl_HEADER_SYS_FILE_MODULE_INDICATOR], +[ + AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_HEADER_SYS_FILE_H_DEFAULTS], +[ + GNULIB_FLOCK=0; AC_SUBST([GNULIB_FLOCK]) + HAVE_FLOCK=1; AC_SUBST([HAVE_FLOCK]) +]) |