2003-07-02 05:09:30 +08:00
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dnl Autoconf configure script for Cygwin.
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dnl Copyright 2003 Red Hat, Inc.
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dnl
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dnl This file is part of Cygwin.
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dnl
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dnl This software is a copyrighted work licensed under the terms of the
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dnl Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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dnl details.
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dnl
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.12)dnl
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AC_INIT(cygserver.cc)
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2003-07-26 09:53:18 +08:00
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INSTALL=`cd $srcdir/../..; echo $(pwd)/install-sh -c`
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2003-07-26 07:52:30 +08:00
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2003-07-02 05:09:30 +08:00
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AC_PROG_INSTALL
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dnl FIXME: We temporarily define our own version of AC_PROG_CC. This is
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dnl copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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dnl are probably using a cross compiler, which will not be able to fully
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dnl link an executable. This should really be fixed in autoconf
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dnl itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_CHECK_TOOL(CC, gcc, gcc)
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if test -z "$CC"; then
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AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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AC_PROG_CC_G
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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elif test $ac_cv_prog_cc_g = yes; then
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CFLAGS="-gstabs+ -O2"
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else
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CFLAGS="-O2"
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fi
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else
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GCC=
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test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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AC_DEFUN(LIB_AC_PROG_CXX,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_CHECK_TOOL(CXX, g++, g++)
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if test -z "$CXX"; then
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AC_CHECK_PROG(CXX, c++, c++, , , )
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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CXXFLAGS='$(CFLAGS)'
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])
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AC_CANONICAL_SYSTEM
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LIB_AC_PROG_CC
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LIB_AC_PROG_CXX
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case "$with_cross_host" in
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""|*cygwin*)
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all_host="all_host"
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install_host="install_host"
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;;
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*)
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all_host=
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install_host=
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;;
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esac
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AC_SUBST(all_host)
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AC_SUBST(install_host)
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AC_CHECK_TOOL(AR, ar, ar)
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AC_CHECK_TOOL(AS, as, as)
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AC_CHECK_TOOL(RANLIB, ranlib, ranlib)
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AC_CHECK_TOOL(LD, ld, ld)
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AC_CHECK_TOOL(NM, nm, nm)
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AC_CHECK_TOOL(DLLTOOL, dlltool, dlltool)
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AC_CHECK_TOOL(WINDRES, windres, windres)
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AC_ALLOCA
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AC_PROG_MAKE_SET
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dnl check whether gcc supports __builtin_memset.
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# Test for builtin mem* functions.
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([
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#include <string.h>
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void foo(char *s, int c, size_t n)
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{
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__builtin_memset(s, c, n);
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}
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], [ ],
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use_builtin_memset=yes, use_builtin_memset=no)
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if test $use_builtin_memset = "yes"; then
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AC_DEFINE(HAVE_BUILTIN_MEMSET)
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fi
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AC_LANG_RESTORE
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AC_ARG_ENABLE(debugging,
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[ --enable-debugging Build a cygwin DLL which has more consistency checking for debugging],
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[case "${enableval}" in
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yes) AC_DEFINE(DEBUGGING) ;;
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no) ;;
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esac
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])
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AC_OUTPUT(Makefile)
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