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- # sigpipe.m4 serial 2
- dnl Copyright (C) 2008, 2009 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])
- ])
- ])
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