X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=config%2Flf_cxx.m4;h=dfc6bfbfe716b3fadcf8b13b9d341c6c99fe6270;hb=refs%2Fheads%2Fdfsg-orig;hp=8ade1fb28ef43cb66988bd4942b89093f12104e8;hpb=5d69a524f81f234b3fbc41d49ba18d6f6886baba;p=debian%2Fgnuradio diff --git a/config/lf_cxx.m4 b/config/lf_cxx.m4 index 8ade1fb2..dfc6bfbf 100644 --- a/config/lf_cxx.m4 +++ b/config/lf_cxx.m4 @@ -3,7 +3,7 @@ dnl Copyright (C) 1988 Eleftherios Gkioulekas 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 the Free Software Foundation; either version 3 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, @@ -13,7 +13,7 @@ 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. +dnl Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a configuration @@ -37,11 +37,6 @@ AC_DEFUN([LF_CONFIGURE_CXX],[ # ----------------------------------------------------------------------- # This macro tests the C++ compiler for various portability problem. -# 1. Defines CXX_HAS_NO_BOOL if the compiler does not support the bool -# data type -# 2. Defines CXX_HAS_BUGGY_FOR_LOOPS if the compiler has buggy -# scoping for the for-loop -# 3. Defines USE_ASSERT if the user wants to use assertions # ----------------------------------------------------------------------- @@ -56,36 +51,10 @@ AC_DEFUN([LF_CXX_PORTABILITY],[ AC_LANG_SAVE AC_LANG_CPLUSPLUS - dnl Check whether we have bool - AC_MSG_CHECKING(whether C++ has bool) - AC_TRY_RUN([main() { bool b1=true; bool b2=false; }], - [ AC_MSG_RESULT(yes) ], - [ AC_MSG_RESULT(no) - AC_DEFINE(CXX_HAS_NO_BOOL,[],[Define if C++ is missing bool type]) ], - [ AC_MSG_WARN(Don't cross-compile)] - ) - - dnl Test whether C++ has buggy for-loops - AC_MSG_CHECKING(whether C++ has buggy scoping in for-loops) - AC_TRY_COMPILE([#include ], [ - for (int i=0;i<10;i++) { } - for (int i=0;i<10;i++) { } -], [ AC_MSG_RESULT(no) ], - [ AC_MSG_RESULT(yes) - AC_DEFINE(CXX_HAS_BUGGY_FOR_LOOPS,[],[Define if for loop scoping is broken]) ]) - - dnl Test whether the user wants to enable assertions - AC_MSG_CHECKING(whether user wants assertions) - AC_ARG_ENABLE(assert, - [ --disable-assert don't use cpp.h assert], - [ AC_DEFINE(NDEBUG,[],[Define to disable asserts (don't doit!)]) - AC_MSG_RESULT(no) ], - [ AC_MSG_RESULT(yes) ], - ) dnl Test whether C++ has std::isnan AC_MSG_CHECKING(whether C++ has std::isnan) - AC_TRY_COMPILE([#include ], [ + AC_TRY_COMPILE([#include ], [ std::isnan(0); ], [ AC_MSG_RESULT(yes) AC_DEFINE(CXX_HAS_STD_ISNAN,[],[Define if has std::isnan]) ], @@ -96,26 +65,3 @@ AC_DEFUN([LF_CXX_PORTABILITY],[ AC_LANG_RESTORE ]) -AH_BOTTOM([// Workaround for compilers with buggy for-loop scoping -// That's quite a few compilers actually including recent versions of -// Dec Alpha cxx, HP-UX CC and SGI CC. -// The trivial "if" statement provides the correct scoping to the -// for loop - -#ifdef CXX_HAS_BUGGY_FOR_LOOPS -#undef for -#define for if(1) for -#endif -]) - -AH_BOTTOM([// If the C++ compiler we use doesn't have bool, then -// the following is a near-perfect work-around. -// You must make sure your code does not depend on "int" and "bool" -// being two different types, in overloading for instance. - -#ifdef CXX_HAS_NO_BOOL -#define bool int -#define true 1 -#define false 0 -#endif -])