newlib-cygwin/winsup/mingw/profile/configure.in

dnl Process this file with autoconf to produce a configure script.

dnl This file is part of Mingw runtime.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

AC_PREREQ(2.13)
AC_INIT(gcrt0.c)

CC=${CC-cc}
AC_SUBST(CC)
AS=${AS-as}
AC_SUBST(AS)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
RANLIB=${RANLIB-ranlib}
AC_SUBST(RANLIB)
DLLTOOL=${DLLTOOL-dlltool}
AC_SUBST(DLLTOOL)
DLLWRAP=${DLLWRAP-dllwrap}
AC_SUBST(DLLWRAP)
AC_CANONICAL_SYSTEM

case "$target_os" in
*mingw32crt*)
  CRT_ID=1
  MNO_CYGWIN=
  RUNTIME=crtdll
  THREAD_DLL=mingwc
  LIBM_A=libm.a
  LIBGMON_A=libgmon.a
  ;;
*cygwin*)
  CRT_ID=2
  MNO_CYGWIN=-mno-cygwin
  RUNTIME=msvcrt
  THREAD_DLL=mingwc
  # Do not build libm.a when building under Cygwin winsup. Otherwise, it'll
  # overwrite Cygwin's one. Likewise for libgmon.a.
  LIBM_A=
  LIBGMON_A=
  ;;
*)
  # Build it for MSVCRT by default.
  CRT_ID=2
  MNO_CYGWIN=
  RUNTIME=msvcrt
  THREAD_DLL=mingwm
  LIBM_A=libm.a
  LIBGMON_A=libgmon.a
  ;;
esac

AC_SUBST(CRT_ID)
AC_SUBST(RUNTIME)
AC_SUBST(MNO_CYGWIN)
AC_SUBST(THREAD_DLL)
AC_SUBST(LIBM_A)
AC_SUBST(LIBGMON_A)

AC_PROG_INSTALL
AC_OUTPUT(Makefile)