libc/winsup/cygwin/configure.ac

dnl Autoconf configure script for Cygwin.
dnl Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
dnl 2006, 2008, 2009, 2011, 2012, 2013, 2014 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(2.59)
AC_INIT([Cygwin DLL],[0],[cygwin@cygwin.com],[cygwin],[https://cygwin.com])
AC_CONFIG_SRCDIR(Makefile.in)
AC_CONFIG_HEADER(config.h)
AC_CONFIG_AUX_DIR(..)

. ${srcdir}/../configure.cygwin

AC_PROG_INSTALL
AC_NO_EXECUTABLES
AC_CANONICAL_TARGET

AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP
AC_LANG(C)

AC_WINDOWS_HEADERS
AC_WINDOWS_LIBS

AC_LANG(C++)

AC_CYGWIN_INCLUDES

case "$with_cross_host" in
  ""|*cygwin*)
    all_host="all_host"
    install_host="install_host"
    ;;
  *)
    all_host=
    install_host=
    ;;
esac

AC_SUBST(all_host)
AC_SUBST(install_host)

AC_CHECK_TOOL(AR, ar, ar)
AC_CHECK_TOOL(AS, as, as)
AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
AC_CHECK_TOOL(LD, ld, ld)
AC_CHECK_TOOL(NM, nm, nm)
AC_CHECK_TOOL(OBJCOPY, objcopy, objcopy)
AC_CHECK_TOOL(OBJDUMP, objdump, objdump)
AC_CHECK_TOOL(RANLIB, ranlib, ranlib)
AC_CHECK_TOOL(STRIP, strip, strip)
AC_CHECK_TOOL(WINDRES, windres, windres)

AC_PROG_MAKE_SET

AC_ARG_ENABLE(debugging,
[ --enable-debugging		Build a cygwin DLL which has more consistency checking for debugging],
[case "${enableval}" in
yes)	 AC_DEFINE(DEBUGGING) ;;
no)	 ;;
esac
])

dnl The only time we might want to transform the install names
dnl is for unix x cygwin.  Otherwise we don't.  For now we don't
dnl transform names.

dnl if test "x$cross_compiling" = "xno" -a ; then
dnl   if test "x$program_transform_name" = "xs,x,x,"; then
dnl     program_transform_name=""
dnl   fi
dnl   if test "x$program_transform_name" = "x"; then
dnl     program_transform_name="s,^,$target_alias-,"
dnl   else
dnl     program_transform_name="$program_transform_name -e s,^,$target_alias-,"
dnl   fi
dnl fi

case "$target_cpu" in
   i?86)
		DLL_NAME="cygwin1.dll"
		DLL_ENTRY="_dll_entry@12"
		DEF_DLL_ENTRY="dll_entry@12"
		DIN_FILE="i686.din"
		TLSOFFSETS_H="tlsoffsets.h"
		;;
   x86_64)
		DLL_NAME="cygwin1.dll"
		DLL_ENTRY="dll_entry"
		DEF_DLL_ENTRY="dll_entry"
		DIN_FILE="x86_64.din"
		TLSOFFSETS_H="tlsoffsets64.h"
		;;
   *)		AC_MSG_ERROR(Invalid target processor \"$target_cpu\") ;;
esac

AC_CONFIGURE_ARGS
AC_SUBST(LIBSERVER)
AC_SUBST(DLL_NAME)
AC_SUBST(DLL_ENTRY)
AC_SUBST(DEF_DLL_ENTRY)
AC_SUBST(DIN_FILE)
AC_SUBST(TLSOFFSETS_H)
AC_OUTPUT(Makefile)