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29 lines
901 B
29 lines
901 B
# 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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