Avoid build errors due to wrong references between modules. * lib/uninorm/canonical-decomposition.c: Include "uninorm/decomposition-table.h", not "decomposition-table.h". * lib/uninorm/decomposition.c: Likewise. * lib/uninorm/u8-normalize.c: Include "uninorm/decompose-internal.h", not "decompose-internal.h". * lib/uninorm/u16-normalize.c: Likewise. * lib/uninorm/u32-normalize.c: Likewise. * lib/uninorm/uninorm-filter.c: Likewise. * lib/uninorm/nfkc.c: Likewise. * lib/uninorm/nfkd.c: Likewise. * lib/unicase/u8-casemap.c: Include "unicase/caseprop.h", not "caseprop.h". * lib/unicase/u8-ct-totitle.c: Likewise. * lib/unicase/u8-prefix-context.c: Likewise. * lib/unicase/u8-suffix-context.c: Likewise. * lib/unicase/u16-casemap.c: Likewise. * lib/unicase/u16-ct-totitle.c: Likewise. * lib/unicase/u16-prefix-context.c: Likewise. * lib/unicase/u16-suffix-context.c: Likewise. * lib/unicase/u32-casemap.c: Likewise. * lib/unicase/u32-ct-totitle.c: Likewise. * lib/unicase/u32-prefix-context.c: Likewise. * lib/unicase/u32-suffix-context.c: Likewise. * lib/unicase/u8-tolower.c: Include "unicase/unicasemap.h", not "unicasemap.h". * lib/unicase/u8-toupper.c: Likewise. * lib/unicase/u8-ct-tolower.c: Likewise. * lib/unicase/u8-ct-toupper.c: Likewise. * lib/unicase/u16-tolower.c: Likewise. * lib/unicase/u16-toupper.c: Likewise. * lib/unicase/u16-ct-tolower.c: Likewise. * lib/unicase/u16-ct-toupper.c: Likewise. * lib/unicase/u32-tolower.c: Likewise. * lib/unicase/u32-toupper.c: Likewise. * lib/unicase/u32-ct-tolower.c: Likewise. * lib/unicase/u32-ct-toupper.c: Likewise. * lib/unicase/u8-ct-casefold.c: Include "unicase/unicasemap.h", not "unicasemap.h", and "unicase/casefold.h", not "casefold.h". * lib/unicase/u16-ct-casefold.c: Likewise. * lib/unicase/u32-ct-casefold.c: Likewise.

# opendir.m4 serial 5
dnl Copyright (C) 2011-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_FUNC_OPENDIR],
[
  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles

  AC_CHECK_FUNCS([opendir])
  if test $ac_cv_func_opendir = no; then
    HAVE_OPENDIR=0
  fi
  dnl Replace opendir() for supporting the gnulib-defined fchdir() function,
  dnl to keep fchdir's bookkeeping up-to-date.
  m4_ifdef([gl_FUNC_FCHDIR], [
    gl_TEST_FCHDIR
    if test $HAVE_FCHDIR = 0; then
      if test $HAVE_OPENDIR = 1; then
        REPLACE_OPENDIR=1
      fi
    fi
  ])
  dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced
  dnl by gnulib.
  case $host_os,$HAVE_OPENDIR in
    os2*,1)
      REPLACE_OPENDIR=1;;
  esac
])