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List: gcc-bugs
Subject: target/9603: SCO 5 build of gcc-3.2.2 fails with i386.c: line 927: error: undefined symbol: DEFAULT_
From: william () nscs ! fast ! net
Date: 2003-02-06 21:20:58
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> Number: 9603
> Category: target
> Synopsis: SCO 5 build of gcc-3.2.2 fails with i386.c: line 927: error: \
> undefined symbol: DEFAULT_PCC_STRUCT_RETURN
> Confidential: no
> Severity: serious
> Priority: medium
> Responsible: unassigned
> State: open
> Class: sw-bug
> Submitter-Id: net
> Arrival-Date: Thu Feb 06 21:26:00 UTC 2003
> Closed-Date:
> Last-Modified:
> Originator: william@nscs.fast.net
> Release: gcc-3.2.2
> Organization:
> Environment:
SCO OpenServer 5.0.5 with SCO's development system
> Description:
I got
"i386.c: line 927: error: undefined symbol: DEFAULT_PCC_STRUCT_RETURN"
when building gcc-3.2.2 under SCO OpenServer 5.0.5 using SCO's dev sys.
The patch included in the "Fix" section fixes the problem
through a #define of DEFAULT_PCC_STRUCT_RETURN in sco5.h.
I was not sure whether to set it to 0 or 1, but gcc-3.2.1 has a "1"
in i386.cc where gcc-3.2.2 has "DEFAULT_PCC_STRUCT_RETURN".
William Bader
http://williambader.com
> How-To-Repeat:
> Fix:
diff -rN -U 8 -X bgcc-3.2.2/gcc/bounds/diffexclude.dat \
gcc-3.2.2/gcc/config/i386/sco5.h bgcc-3.2.2/gcc/config/i386/sco5.h
--- gcc-3.2.2/gcc/config/i386/sco5.h 2002-04-24 13:18:04.000000000 -0400
+++ bgcc-3.2.2/gcc/config/i386/sco5.h 2003-02-06 13:52:41.000000000 -0500
@@ -723,16 +723,20 @@
%{fPIC:%{!fpic:-D__PIC__ -D__pic__}}} \
%{Xa:-D_SCO_C_DIALECT=1} \
%{!Xa:%{Xc:-D_SCO_C_DIALECT=3} \
%{!Xc:%{Xk:-D_SCO_C_DIALECT=4} \
%{!Xk:%{Xt:-D_SCO_C_DIALECT=2} \
%{!Xt:-D_SCO_C_DIALECT=1}}}} \
%{traditional:-traditional -D_KR -D_NO_PROTOTYPE}"
+/* The svr4 ABI for the i386 says that records and unions are returned in memory. \
*/ +#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 1
+
#undef LINK_SPEC
#define LINK_SPEC \
"-b %{!mcoff:elf}%{mcoff:coff \
%{static:%e-static not valid with -mcoff} \
%{shared:%e-shared not valid with -mcoff} \
%{symbolic:%e-symbolic not valid with -mcoff} \
%{fpic:%e-fpic not valid with -mcoff} \
%{fPIC:%e-fPIC not valid with -mcoff}} \
> Release-Note:
> Audit-Trail:
> Unformatted:
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