| # sigpipe.m4 serial 2 |
| dnl Copyright (C) 2008-2011 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| dnl Tests whether SIGPIPE is provided by <signal.h>. |
| dnl Sets gl_cv_header_signal_h_SIGPIPE. |
| AC_DEFUN([gl_SIGNAL_SIGPIPE], |
| [ |
| dnl Use AC_REQUIRE here, so that the default behavior below is expanded |
| dnl once only, before all statements that occur in other macros. |
| AC_REQUIRE([gl_SIGNAL_SIGPIPE_BODY]) |
| ]) |
| |
| AC_DEFUN([gl_SIGNAL_SIGPIPE_BODY], |
| [ |
| AC_REQUIRE([AC_PROG_CC]) |
| AC_CACHE_CHECK([for SIGPIPE], [gl_cv_header_signal_h_SIGPIPE], [ |
| AC_EGREP_CPP([booboo],[ |
| #include <signal.h> |
| #if !defined SIGPIPE |
| booboo |
| #endif |
| ], |
| [gl_cv_header_signal_h_SIGPIPE=no], |
| [gl_cv_header_signal_h_SIGPIPE=yes]) |
| ]) |
| ]) |