written by Mike Frysinger
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https://sourceforge.net/tracker/?func=detail&aid=3132056&group_id=5616&atid=305616
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nommu systems cannot fork() as the hardware cannot support
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it. irattach uses it as a minor optimization, but it isnt
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necessary for correct functioning of the utility. so add a
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NO_FORK define so we nommu peeps can do CFLAGS="... -DNO_FORK=1
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..." and use it in our embedded systems.
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--- a/irattach/irattach.c
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+++ b/irattach/irattach.c
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@@ -397,7 +397,11 @@
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after_names[i]);
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/* Create a new instance for this other
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* interface */
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+#ifdef NO_FORK
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+ pid = -1;
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+#else
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pid = fork();
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+#endif
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/* If in the child */
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if(!pid) {
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/* Get the interface name */
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