newlib-cygwin/winsup/subauth/configure.in

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dnl Copyright (c) 2001, Red Hat, Inc.
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 A copy of the GNU General Public License can be found at
dnl http://www.gnu.org/
dnl
dnl Written by Christopher Faylor <cgf@redhat.com>
dnl Changed for subauth subdir by Corinna Vinschen <vinschen@redhat.com>
dnl Autoconf configure script for Cygwin utilities.
dnl
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.12)
AC_INIT(Makefile.in)
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([$0], [AC_PROG_CPP])dnl
AC_CHECK_PROG(CC, gcc, gcc)
if test -z "$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
AC_ARG_PROGRAM
if test "x$cross_compiling" = "xyes"; then
if test "x$program_transform_name" = "xs,x,x,"; then
program_transform_name=""
fi
if test "x$program_transform_name" = "x"; then
program_transform_name="s,^,$host-,"
else
program_transform_name="$program_transform_name -e s,^,$host-,"
fi
fi
AC_PROG_INSTALL
AC_OUTPUT(Makefile cygsuba.def:cygsuba.din)