diff options
Diffstat (limited to 'm4/sigpipe.m4')
| -rw-r--r-- | m4/sigpipe.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/sigpipe.m4 b/m4/sigpipe.m4 new file mode 100644 index 0000000..1b6ec42 --- /dev/null +++ b/m4/sigpipe.m4 @@ -0,0 +1,29 @@ +# sigpipe.m4 serial 3 +dnl Copyright (C) 2008-2023 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 Ensure to expand the default settings once only, before all statements + dnl 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]) + ]) +]) |