newlib/winsup/cygserver/configure.in

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dnl Autoconf configure script for Cygwin.
dnl Copyright 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(cygserver.cc)
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 $ac_cv_prog_cc_g = yes; then
CFLAGS="-gstabs+ -O2"
else
CFLAGS="-O2"
fi
else
GCC=
test "${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
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(RANLIB, ranlib, ranlib)
AC_CHECK_TOOL(LD, ld, ld)
AC_CHECK_TOOL(NM, nm, nm)
AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
AC_CHECK_TOOL(WINDRES, windres, windres)
AC_ALLOCA
AC_PROG_MAKE_SET
dnl check whether gcc supports __builtin_memset.
# Test for builtin mem* functions.
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([
#include <string.h>
void foo(char *s, int c, size_t n)
{
__builtin_memset(s, c, n);
}
], [ ],
use_builtin_memset=yes, use_builtin_memset=no)
if test $use_builtin_memset = "yes"; then
AC_DEFINE(HAVE_BUILTIN_MEMSET)
fi
AC_LANG_RESTORE
AC_ARG_ENABLE(debugging,
[ --enable-debugging Build a cygwin DLL which has more consistency checking for debugging],
[case "${enableval}" in
yes) AC_DEFINE(DEBUGGING) ;;
no) ;;
esac
])
AC_OUTPUT(Makefile)