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Annotation of embedaddon/libiconv/srcm4/sigpipe.m4, revision 1.1

1.1     ! misho       1: # sigpipe.m4 serial 2
        !             2: dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc.
        !             3: dnl This file is free software; the Free Software Foundation
        !             4: dnl gives unlimited permission to copy and/or distribute it,
        !             5: dnl with or without modifications, as long as this notice is preserved.
        !             6: 
        !             7: dnl Tests whether SIGPIPE is provided by <signal.h>.
        !             8: dnl Sets gl_cv_header_signal_h_SIGPIPE.
        !             9: AC_DEFUN([gl_SIGNAL_SIGPIPE],
        !            10: [
        !            11:   dnl Use AC_REQUIRE here, so that the default behavior below is expanded
        !            12:   dnl once only, before all statements that occur in other macros.
        !            13:   AC_REQUIRE([gl_SIGNAL_SIGPIPE_BODY])
        !            14: ])
        !            15: 
        !            16: AC_DEFUN([gl_SIGNAL_SIGPIPE_BODY],
        !            17: [
        !            18:   AC_REQUIRE([AC_PROG_CC])
        !            19:   AC_CACHE_CHECK([for SIGPIPE], [gl_cv_header_signal_h_SIGPIPE], [
        !            20:     AC_EGREP_CPP([booboo],[
        !            21: #include <signal.h>
        !            22: #if !defined SIGPIPE
        !            23: booboo
        !            24: #endif
        !            25:       ],
        !            26:       [gl_cv_header_signal_h_SIGPIPE=no],
        !            27:       [gl_cv_header_signal_h_SIGPIPE=yes])
        !            28:   ])
        !            29: ])