newlib-cygwin/winsup/configure.in

dnl Autoconf configure script for Cygwin.
dnl Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
dnl
dnl This file is part of Cygwin.
dnl
dnl This software is a copyrighted work licensed under the terms of the
dnl Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
dnl details.
dnl
dnl Process this file with autoconf to produce a configure script.

AC_PREREQ(2.12)dnl
AC_INIT(Makefile.in)

INSTALL=`cd $srcdir/..; echo $(pwd)/install-sh -c`

AC_PROG_INSTALL

dnl FIXME: We temporarily define our own version of AC_PROG_CC.  This is
dnl copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
dnl are probably using a cross compiler, which will not be able to fully
dnl link an executable.  This should really be fixed in autoconf
dnl itself.

AC_DEFUN(LIB_AC_PROG_CC,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_TOOL(CC, gcc, gcc)
if test -z "$CC"; then
  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi

AC_PROG_CC_GNU

if test $ac_cv_prog_gcc = yes; then
  GCC=yes
dnl Check whether -g works, even if CFLAGS is set, in case the package
dnl plays around with CFLAGS (such as to build both debugging and
dnl normal versions of a library), tasteless as that idea is.
  ac_test_CFLAGS="${CFLAGS+set}"
  ac_save_CFLAGS="$CFLAGS"
  CFLAGS=
  AC_PROG_CC_G
  if test "$ac_test_CFLAGS" = set; then
    CFLAGS="$ac_save_CFLAGS"
  elif test $ac_cv_prog_cc_g = yes; then
    CFLAGS="-g -O2"
  else
    CFLAGS="-O2"
  fi
else
  GCC=
  test "${CFLAGS+set}" = set || CFLAGS="-g"
fi
])

AC_DEFUN(LIB_AC_PROG_CXX,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_CHECK_TOOL(CXX, g++, g++)
if test -z "$CXX"; then
  AC_CHECK_PROG(CXX, c++, c++, , , )
  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
fi

CXXFLAGS='$(CFLAGS)'
])

AC_CANONICAL_SYSTEM

LIB_AC_PROG_CC
LIB_AC_PROG_CXX

use_cygserver='yes'
AC_ARG_ENABLE(server,
[ --enable-server		Build a cygwin DLL which can communicate with cygserver],
[case "${enableval}" in
yes)	;;
no)	use_cygserver=;;
esac
])

SUBDIRS='cygwin w32api'
test -d $srcdir/mingw && SUBDIRS="mingw $SUBDIRS"

case "$with_cross_host" in
  ""|*cygwin*)
    # test -d $srcdir/bz2lib && SUBDIRS="$SUBDIRS bz2lib"
    # test -d $srcdir/zlib && SUBDIRS="$SUBDIRS zlib"
    # test -d $srcdir/subauth && SUBDIRS="$SUBDIRS subauth"
    test -n "$use_cygserver" -a -d $srcdir/cygserver && SUBDIRS="$SUBDIRS cygserver"
    SUBDIRS="$SUBDIRS utils doc"
    ;;
esac

AC_CONFIG_SUBDIRS($SUBDIRS)

AC_PROG_MAKE_SET

AC_SUBST(SUBDIRS)
AC_OUTPUT(Makefile)