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Annotation of embedaddon/libiconv/srcm4/sigpipe.m4, revision 1.1.1.3

1.1       misho       1: # sigpipe.m4 serial 2
1.1.1.3 ! misho       2: dnl Copyright (C) 2008-2019 Free Software Foundation, Inc.
1.1       misho       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: ])