mirror of https://github.com/debauchee/barrier.git
added more tests to autoconf. also now handling missing sstream
header in gcc 2.95 by including sstream header backported from v3.
This commit is contained in:
crs
parent
b0b494b8fa
commit
210ed86827
65
acinclude.m4
65
acinclude.m4
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@ -10,6 +10,71 @@ dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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AC_DEFUN([ACX_CHECK_CXX_BOOL], [
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AC_MSG_CHECKING([for bool support])
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AC_TRY_COMPILE(, [bool t = true, f = false;],[acx_cxx_bool_ok=yes])
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AC_MSG_RESULT($acx_cxx_bool_ok)
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if test x"$acx_cxx_bool_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_CXX_BOOL,1,[Define if your compiler has bool support.]),[$1])
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:
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else
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acx_cxx_bool_ok=no
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$2
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fi
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])dnl ACX_CHECK_BOOL
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AC_DEFUN([ACX_CHECK_CXX_EXCEPTIONS], [
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AC_MSG_CHECKING([for exception support])
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AC_TRY_COMPILE(, [try{throw int(4);}catch(int){throw;}catch(...){}],[acx_cxx_exception_ok=yes])
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AC_MSG_RESULT($acx_cxx_exception_ok)
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if test x"$acx_cxx_exception_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_CXX_EXCEPTIONS,1,[Define if your compiler has exceptions support.]),[$1])
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:
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else
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acx_cxx_exception_ok=no
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$2
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fi
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])dnl ACX_CHECK_CXX_EXCEPTIONS
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AC_DEFUN([ACX_CHECK_CXX_CASTS], [
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AC_MSG_CHECKING([for C++ cast support])
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AC_TRY_COMPILE(, [const char* f="a";const_cast<char*>(f);reinterpret_cast<const int*>(f);static_cast<int>(4.5);],[acx_cxx_cast_ok=yes])
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AC_MSG_RESULT($acx_cxx_cast_ok)
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if test x"$acx_cxx_cast_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_CXX_CASTS,1,[Define if your compiler has C++ cast support.]),[$1])
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:
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else
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acx_cxx_cast_ok=no
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$2
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fi
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])dnl ACX_CHECK_CXX_CASTS
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AC_DEFUN([ACX_CHECK_CXX_MUTABLE], [
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AC_MSG_CHECKING([for mutable support])
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AC_TRY_COMPILE(, [struct A{mutable int b;void f() const {b=0;}};A a;a.f();],[acx_cxx_mutable_ok=yes])
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AC_MSG_RESULT($acx_cxx_mutable_ok)
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if test x"$acx_cxx_mutable_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_CXX_MUTABLE,1,[Define if your compiler has mutable support.]),[$1])
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:
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else
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acx_cxx_mutable_ok=no
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$2
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fi
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])dnl ACX_CHECK_CXX_MUTABLE
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AC_DEFUN([ACX_CHECK_CXX_STDLIB], [
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AC_MSG_CHECKING([for C++ standard library])
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AC_TRY_LINK([#include <set>], [std::set<int> a; a.insert(3);],[acx_cxx_stdlib_ok=yes])
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AC_MSG_RESULT($acx_cxx_stdlib_ok)
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if test x"$acx_cxx_stdlib_ok" = xyes; then
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ifelse([$1],,AC_DEFINE(HAVE_CXX_STDLIB,1,[Define if your compiler has standard C++ library support.]),[$1])
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:
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else
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acx_cxx_stdlib_ok=no
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$2
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fi
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])dnl ACX_CHECK_CXX_STDLIB
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dnl The following macros are from http://www.gnu.org/software/ac-archive/
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dnl which distributes them under the following license:
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dnl
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17
configure.in
17
configure.in
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@ -34,10 +34,13 @@ AC_PROG_RANLIB
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dnl checks for libraries
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ACX_PTHREAD(,AC_MSG_ERROR(You must have pthreads to compile synergy))
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dnl do checks using C++
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AC_LANG(C++)
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dnl checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS([unistd.h sys/time.h])
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AC_CHECK_HEADERS([istream ostream])
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AC_CHECK_HEADERS([istream ostream sstream])
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AC_CHECK_HEADERS([windows.h])
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AC_HEADER_TIME
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AC_PATH_X
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@ -45,7 +48,7 @@ AC_PATH_XTRA
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AC_CHECK_HEADERS([X11/extensions/XTest.h])
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dnl checks for types
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dnl AC_TYPE_SIZE_T
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AC_TYPE_SIZE_T
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dnl checks for structures
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AC_STRUCT_TM
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@ -55,11 +58,11 @@ AC_CHECK_SIZEOF(char, 1)
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AC_CHECK_SIZEOF(short, 2)
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AC_CHECK_SIZEOF(int, 2)
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AC_CHECK_SIZEOF(long, 4)
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dnl require bool support
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dnl require template support
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dnl require exception support
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dnl require C++ casting support
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dnl require mutable support
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ACX_CHECK_CXX_BOOL(,AC_MSG_ERROR(Your compiler must support bool to compile synergy))
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ACX_CHECK_CXX_EXCEPTIONS(,AC_MSG_ERROR(Your compiler must support exceptions to compile synergy))
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ACX_CHECK_CXX_CASTS(,AC_MSG_ERROR(Your compiler must support C++ casts to compile synergy))
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ACX_CHECK_CXX_MUTABLE(,AC_MSG_ERROR(Your compiler must support mutable to compile synergy))
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ACX_CHECK_CXX_STDLIB(,AC_MSG_ERROR(Your compiler must support the C++ standard library to compile synergy))
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dnl checks for library functions
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dnl AC_TYPE_SIGNAL
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@ -13,6 +13,359 @@
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*/
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#include "stdpre.h"
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#if defined(HAVE_SSTREAM) || !defined(__GNUC__) || (__GNUC__ >= 3)
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#include <sstream>
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#elif defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 95)
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// g++ 2.95 didn't ship with sstream. the following is a backport
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// by Magnus Fromreide of the sstream in g++ 3.0.
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/* This is part of libio/iostream, providing -*- C++ -*- input/output.
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Copyright (C) 2000 Free Software Foundation
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This file is part of the GNU IO Library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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/* Written by Magnus Fromreide (magfr@lysator.liu.se). */
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/* seekoff and ideas for overflow is largely borrowed from libstdc++-v3 */
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#include <iostream.h>
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#include <streambuf.h>
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#include <string>
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namespace std
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{
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class stringbuf : public streambuf
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{
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public:
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typedef char char_type;
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typedef int int_type;
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typedef streampos pos_type;
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typedef streamoff off_type;
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explicit
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stringbuf(int which=ios::in|ios::out)
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: streambuf(), mode(static_cast<ios::open_mode>(which)),
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stream(NULL), stream_len(0)
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{
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stringbuf_init();
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}
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explicit
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stringbuf(const string &str, int which=ios::in|ios::out)
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: streambuf(), mode(static_cast<ios::open_mode>(which)),
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stream(NULL), stream_len(0)
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{
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if (mode & (ios::in|ios::out))
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{
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stream_len = str.size();
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stream = new char_type[stream_len];
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str.copy(stream, stream_len);
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}
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stringbuf_init();
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}
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virtual
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~stringbuf()
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{
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delete[] stream;
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}
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string
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str() const
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{
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if (pbase() != 0)
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return string(stream, pptr()-pbase());
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else
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return string();
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}
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void
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str(const string& str)
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{
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delete[] stream;
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stream_len = str.size();
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stream = new char_type[stream_len];
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str.copy(stream, stream_len);
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stringbuf_init();
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}
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protected:
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// The buffer is already in gptr, so if it ends then it is out of data.
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virtual int
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underflow()
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{
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return EOF;
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}
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virtual int
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overflow(int c = EOF)
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{
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int res;
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if (mode & ios::out)
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{
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if (c != EOF)
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{
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streamsize old_stream_len = stream_len;
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stream_len += 1;
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char_type* new_stream = new char_type[stream_len];
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memcpy(new_stream, stream, old_stream_len);
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delete[] stream;
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stream = new_stream;
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stringbuf_sync(gptr()-eback(), pptr()-pbase());
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sputc(c);
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res = c;
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}
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else
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res = EOF;
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}
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else
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res = 0;
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return res;
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}
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virtual streambuf*
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setbuf(char_type* s, streamsize n)
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{
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if (n != 0)
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{
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delete[] stream;
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stream = new char_type[n];
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memcpy(stream, s, n);
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stream_len = n;
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stringbuf_sync(0, 0);
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}
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return this;
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}
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virtual pos_type
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seekoff(off_type off, ios::seek_dir way, int which = ios::in | ios::out)
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{
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pos_type ret = pos_type(off_type(-1));
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bool testin = which & ios::in && mode & ios::in;
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bool testout = which & ios::out && mode & ios::out;
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bool testboth = testin && testout && way != ios::cur;
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if (stream_len && ((testin != testout) || testboth))
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{
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char_type* beg = stream;
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char_type* curi = NULL;
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char_type* curo = NULL;
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char_type* endi = NULL;
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char_type* endo = NULL;
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if (testin)
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{
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curi = gptr();
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endi = egptr();
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}
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if (testout)
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{
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curo = pptr();
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endo = epptr();
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}
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off_type newoffi = 0;
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off_type newoffo = 0;
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if (way == ios::beg)
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{
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newoffi = beg - curi;
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newoffo = beg - curo;
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}
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else if (way == ios::end)
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{
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newoffi = endi - curi;
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newoffo = endo - curo;
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}
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if (testin && newoffi + off + curi - beg >= 0 &&
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endi - beg >= newoffi + off + curi - beg)
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{
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gbump(newoffi + off);
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ret = pos_type(newoffi + off + curi);
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}
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if (testout && newoffo + off + curo - beg >= 0 &&
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endo - beg >= newoffo + off + curo - beg)
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{
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pbump(newoffo + off);
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ret = pos_type(newoffo + off + curo);
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}
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}
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return ret;
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}
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virtual pos_type
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seekpos(pos_type sp, int which = ios::in | ios::out)
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{
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pos_type ret = seekoff(sp, ios::beg, which);
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return ret;
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}
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private:
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void
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stringbuf_sync(streamsize i, streamsize o)
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{
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if (mode & ios::in)
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setg(stream, stream + i, stream + stream_len);
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if (mode & ios::out)
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{
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setp(stream, stream + stream_len);
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pbump(o);
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}
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}
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void
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stringbuf_init()
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{
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if (mode & ios::ate)
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stringbuf_sync(0, stream_len);
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else
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stringbuf_sync(0, 0);
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}
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private:
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ios::open_mode mode;
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char_type* stream;
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streamsize stream_len;
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};
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class istringstream : public istream {
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public:
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typedef char char_type;
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typedef int int_type;
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typedef streampos pos_type;
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typedef streamoff off_type;
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explicit
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istringstream(int which=ios::in)
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: istream(&sb), sb(which | ios::in)
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{ }
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explicit
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istringstream(const string& str, int which=ios::in)
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: istream(&sb), sb(str, which | ios::in)
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{ }
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stringbuf*
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rdbuf() const
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{
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return const_cast<stringbuf*>(&sb);
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}
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string
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str() const
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{
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return rdbuf()->str();
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}
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void
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str(const string& s)
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{
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rdbuf()->str(s);
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}
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private:
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stringbuf sb;
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};
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class ostringstream : public ostream {
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public:
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typedef char char_type;
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typedef int int_type;
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typedef streampos pos_type;
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typedef streamoff off_type;
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explicit
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ostringstream(int which=ios::out)
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: ostream(&sb), sb(which | ios::out)
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{ }
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explicit
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ostringstream(const string& str, int which=ios::out)
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: ostream(&sb), sb(str, which | ios::out)
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{ }
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stringbuf*
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rdbuf() const
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{
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return const_cast<stringbuf*>(&sb);
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}
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string
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str() const
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{
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return rdbuf()->str();
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}
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void str(const string& s)
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{
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rdbuf()->str(s);
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}
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private:
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stringbuf sb;
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};
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class stringstream : public iostream {
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public:
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typedef char char_type;
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typedef int int_type;
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typedef streampos pos_type;
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typedef streamoff off_type;
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explicit
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stringstream(int which=ios::out|ios::in)
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: iostream(&sb), sb(which)
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{ }
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explicit
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stringstream(const string& str, int which=ios::out|ios::in)
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: iostream(&sb), sb(str, which)
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{ }
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stringbuf*
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rdbuf() const
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{
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return const_cast<stringbuf*>(&sb);
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}
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string
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str() const
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{
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return rdbuf()->str();
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}
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void
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str(const string& s)
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{
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rdbuf()->str(s);
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}
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private:
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stringbuf sb;
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};
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};
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#else /* not g++ 2.95 and no <sstream> */
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#error "Standard C++ library is missing required sstream header."
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#endif /* not g++ 2.95 and no <sstream> */
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#include "stdpost.h"
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#include "stdistream.h"
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