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-rw-r--r--m4/sigdescr_np.m417
1 files changed, 17 insertions, 0 deletions
diff --git a/m4/sigdescr_np.m4 b/m4/sigdescr_np.m4
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+# sigdescr_np.m4 serial 1
+dnl Copyright (C) 2020 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.
+
+AC_DEFUN([gl_FUNC_SIGDESCR_NP],
+[
+ dnl Persuade glibc <string.h> to declare sigdescr_np().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+ AC_CHECK_FUNCS([sigdescr_np])
+ if test $ac_cv_func_sigdescr_np = no; then
+ HAVE_SIGDESCR_NP=0
+ fi
+])