configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ([2.68])
   5 AC_INIT([apply-default-acl], [0.0.6], [michael@orlitzky.com])
   6 AM_INIT_AUTOMAKE([foreign]) # don't bug me a bout README, NEWS, etc.
   7 AC_CONFIG_SRCDIR([src/apply-default-acl.c])
   8 AC_CONFIG_FILES([Makefile src/Makefile])
   9
  10 # Checks for programs.
  11 AC_PROG_CC
  12 AM_PROG_AR
  13
  14 # Predefined header checks.
  15 AC_HEADER_STAT    # sys/stat.h
  16 AC_HEADER_STDBOOL # stdbool.h
  17 AC_HEADER_STDC    # stdlib.h string.h (implied: errno.h limits.h stdio.h)
  18 AC_TYPE_MODE_T
  19
  20 # Check for header files not covered by the predefined macros above.
  21 AC_CHECK_HEADERS([ fcntl.h ftw.h getopt.h libgen.h limits.h sys/acl.h ])
  22 AC_CHECK_HEADERS([ sys/libacl.h sys/types.h unistd.h ])
  23
  24 # We need openat() with O_NOFOLLOW from POSIX-2008. Without them, we
  25 # can't operate securely; I would rather refuse to be built.
  26 AC_CHECK_FUNC(openat,
  27               [],
  28               AC_MSG_ERROR(missing required openat function))
  29 AC_CHECK_DECLS([O_NOFOLLOW],
  30                [],
  31                [AC_MSG_ERROR(missing required O_NOFOLLOW flag in fcntl.h)],
  32                [[#include <fcntl.h>]])
  33
  34 LT_INIT
  35 AC_OUTPUT