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30 lines
901 B
Plaintext
30 lines
901 B
Plaintext
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# sigpipe.m4 serial 2
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dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl Tests whether SIGPIPE is provided by <signal.h>.
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dnl Sets gl_cv_header_signal_h_SIGPIPE.
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AC_DEFUN([gl_SIGNAL_SIGPIPE],
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[
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_SIGNAL_SIGPIPE_BODY])
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])
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AC_DEFUN([gl_SIGNAL_SIGPIPE_BODY],
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[
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AC_REQUIRE([AC_PROG_CC])
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AC_CACHE_CHECK([for SIGPIPE], [gl_cv_header_signal_h_SIGPIPE], [
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AC_EGREP_CPP([booboo],[
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#include <signal.h>
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#if !defined SIGPIPE
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booboo
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#endif
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],
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[gl_cv_header_signal_h_SIGPIPE=no],
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[gl_cv_header_signal_h_SIGPIPE=yes])
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])
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])
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