AIX net/if_arp.h include fix for struct fc_softc

["Peter O'Gorman" <pogma@thewrittenword.com>]

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Hi,

We ran across an issue with qt-4.7 built with gcc-4.4 on AIX 5.2, 5.3,
6.1, and 7.1 where some static constructors were not being called. It
turned out to be a header file issue, see, for example,
https://www.ibm.com/developerworks/forums/thread.jspa?threadID=211873&tstart=-2

Using fixincludes to fix the header allows us to build a working qt.

The erroneous struct declaration is:
struct  fc_softc {
        struct arpcom   fc_ac;              /* FCS common part             */
        struct ndd    *nddp;                /* returned from NS            */
        int(*efcnet_arp_fct)
             (struct ndd *, struct mbuf *); /* efcnet_arp function address */
} *fc_softc ;

when fixed it becomes:
typedef struct _fc_softc {                   
        struct arpcom   fc_ac;              /* FCS common part             */
        struct ndd    *nddp;                /* returned from NS            */
        int(*efcnet_arp_fct)
             (struct ndd *, struct mbuf *); /* efcnet_arp function address */
} *fc_softc ;

David, do you have any idea if this is what it's supposed to be?

Ok for trunk?

Peter
-- 
Peter O'Gorman
pogma@thewrittenword.com

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Index: ChangeLog
===================================================================
--- ChangeLog	(revision 174678)
2011-??-??  Peter O'Gorman  <pogma@thewrittenword.com>

	* inclhack.def (aix_net_if_arp): New fix.
	* fixincl.x: Regenerate.
	* tests/base/net/if_arp.h [AIX_NET_IF_ARP_CHECK]: New test.

Index: inclhack.def
===================================================================
--- inclhack.def	(revision 174678)
+++ inclhack.def	(working copy)
@@ -369,6 +369,19 @@
     test_text = "#define _Complex_I	__I\n";
 };
 
+/*
+ * net/if_arp.h defines a variable fc_softc instead of adding a
+ * typedef for the struct on AIX 5.2, 5.3, 6.1 and 7.1
+ */
+fix = {
+    hackname  = aix_net_if_arp;
+    mach      = "*-*-aix*";
+    files     = "net/if_arp.h";
+    select    = "^struct  fc_softc \\{";
+    c_fix     = format;
+    c_fix_arg = "typedef struct _fc_softc {";
+    test_text = "struct  fc_softc {";
+};
 
 /*
  *  pthread.h on AIX 4.3.3 tries to define a macro without whitspace