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m4: fix "'gets' undeclared here'" build error
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@ -0,0 +1,14 @@
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diff --git a/lib/stdio.in.h b/lib/stdio.in.h
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index b7f3b6f..7a4f423 100644
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--- a/lib/stdio.in.h
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+++ b/lib/stdio.in.h
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@@ -162,7 +162,9 @@ _GL_WARN_ON_USE (fflush, "fflush is not always POSIX compliant - "
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so any use of gets warrants an unconditional warning. Assume it is
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always declared, since it is required by C89. */
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#undef gets
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+#if HAVE_RAW_DECL_GETS
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_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
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+#endif
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#if @GNULIB_FOPEN@
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# if @REPLACE_FOPEN@
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