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 000000000..436c6fec1 --- /dev/null +++ b/m4/sys_file_h.m4 @@ -0,0 +1,41 @@ +# Configure a replacement for <sys/file.h>. + +# Copyright (C) 2008 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 Only flock is defined in a working <sys/file.h>. If that + dnl function is already there, we don't want to do any substitution. + AC_CHECK_FUNCS_ONCE([flock]) + + gl_CHECK_NEXT_HEADERS([sys/file.h]) + SYS_FILE_H='sys/file.h' + AC_SUBST([SYS_FILE_H]) + + AC_CHECK_HEADERS_ONCE([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]) +]) + +AC_DEFUN([gl_HEADER_SYS_FILE_MODULE_INDICATOR], +[ + AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS]) + GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 +]) + +AC_DEFUN([gl_HEADER_SYS_FILE_H_DEFAULTS], +[ + GNULIB_FLOCK=0; AC_SUBST([GNULIB_FLOCK]) + HAVE_FLOCK=1; AC_SUBST([HAVE_FLOCK]) +]) |