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<OL><LI> the patch described below,  and
<LI> a correct version of library <b> libc</b>  (see page <A HREF="node60.html#libc"><IMG BORDER=0 ALIGN=BOTTOM SRC="../icons/cross_ref_motif.gif"
	ALT="gif"></A>).
<P>
(If this has not been done, contact Sun.)
</OL>
with the SunOS Release 4.1 system and the Fortran 1.3.1. compiler.
<P>
<OL><LI>
<P>
<PRE>Patch-ID#  100098-02
Keywords: Fortran records 16kb
Synopsis: fixes bug in libf77 that aborts on writes &gt;= 16kb records.
Date:
 
SunOS release: 4.1

Unbundled Product: Fortran
 
Unbundled Release: 1.3.1
 
Topic: 
 
BugId's fixed with this patch: 1042114

Architectures for which this patch is available: sun3 sun4 sun386i

Obsoleted by: Fortran 1.4

Problem Description: 

	Fortran programs get segmentation violation errors (with core
	dumps) when writing records of 16kb or greater.  This problem effects 
	all styles of I/O except list-directed.

	The 1.3.1 RTF mentions I/O records longer than 8k fail unless compiled 
	with -Bstatic. Even with -Bstatic, records larger than 16k fail.

	This patch basically consists of complete replacements of libF77.

Installation Instructions:

	There are four library parts that need to replace the existing 
	copies on the system that has the problem.

	If the default location was used to install Fortran, then the 
	files that need replacing will be;

		/usr/lang/SC0.0/libF77.a
		/usr/lang/SC0.0/libF77.sa.1.1
		/usr/lang/SC0.0/libF77.so.1.1
		/usr/lang/SC0.0/libF77_p.a

	and for Sun4:

		/usr/lang/SC0.0/misalign/libF77.a
		/usr/lang/SC0.0/misalign/libF77.sa.1.1
		/usr/lang/SC0.0/misalign/libF77.so.1.1
		/usr/lang/SC0.0/misalign/libF77_p.a

	If an alternate directory structure was used the file names will 
	be the same, but the customer will have to no where they installed 
	Fortran.

	To install the patched library parts, simply rename the four files 
	shown above and copy the four-file patch into the directory where 
	the Fortran libraries are located.
</PRE>
<P>
<LI> <A NAME=libc>&#160;</A>
<P>
<PRE>soleil% cd /usr/lib
soleil% ls -lg libc.*
-rw-r--r--  1 root     daemon     658148 Feb  8  1990 libc.a
-rw-r--r--  1 root     daemon       7996 Jul 25 14:34 libc.sa.1.6
-rw-r--r--  1 root     daemon     516096 Jul 25 14:18 libc.so.1.6
</PRE>
<P>
</OL>
<P>
<P>
<P>
<H3><A NAME=SECTION06425300000000000000> Utilization of the graphics peripheral: sun_core</A></H3>
<P>
<P>
<P>
SunCORE is no longer maintained by Sun, however you can still use the suncore driver if so desired. In this case,
it is necessary to;
<P>
<OL><LI> Install SunCORE as follows:
<P>
<PRE>   % su root
   % cd /usr/old
</PRE>
<P>
Edit file <b> install_from_old</b> and perform the following modification:
<P>
<PRE>   # After :     SYNC=&quot;sync&quot;
   # Add   :     MKDIR=&quot;mkdir&quot;

   % install_from_old SunCORE
</PRE>
<P>
<LI> Check the access rights of directory <b> /usr/include/f77</b>
  and file <b> usercore77.h</b> (if not the compiler cannot read this file).
<P>
<LI> Put a C in the first columns of the Copyright delimited by <code>/* ... */</code>
   (if not the FORTRAN compiler will encounter errors).
<P>
</OL>
<P>
However, there is still  a problem  with SunCORE and
<b> vwsurf.screenname</b> must be empty.
<P>
Before, when assigning
<blockquote> <b> vwsurf.screenname = &quot;/dev/fb&quot;</b> 
</blockquote>
we created a graphics window (see SunCore Reference Manual,
   Appendix B, View Surface Specification for Window Devices).
   Apparently, <b> this is no longer possible</b>,  even when changing the values of the vwsurf.flags. The only
   palliative is to call the graphics system, <b> gfxtool</b>.
<P>
<H3><A NAME=SECTION06425400000000000000> toutxx and  vicoxx link:</A></H3>
<P>
Error message:
<P>
<PRE>make toutxx
make -f /usr/local/math/modulef_v93/ascii/sta/s/ppal/Makefile \
/usr/local/math/modulef_v93/sun4/sta/bin/toutxx \
F77=&quot;f77&quot; F77FLAGS=&quot;-c -ansi -cg87 -i4 -O \
-I/usr/local/math/modulef_v93/ascii/sta/s/include&quot; \
LINK=&quot;f77 -Bstatic&quot; STDLIB=&quot;-lX11&quot; \
CPPFLAGS=&quot;-L/usr/local/math/modulef_v93/sun4/sta/lib&quot; \
F3D1=&quot;`cat /usr/local/math/modulef_v93/make/Installsun4/List_f3d1`&quot;\
 F3D2=&quot;`cat /usr/local/math/modulef_v93/make/Insta
llsun4/List_f3d2`&quot; \
ZZZZ=&quot;zzzz_mod&quot; \
BLAS=blas_mod \
UTIL=u_sun \
ml=/usr/local/math/modulef_v93/sun4/sta/lib
ms=/usr/local/math/modulef_v93/\
ascii/sta/s mi=/usr/local/math/modulef_v93
/make/Installsun4 mb=/usr/local/math/modulef_v93/sun4/sta/bin
cd /usr/local/math/modulef_v93/make/Installsun4 ;  f77 -c -ansi -cg87
-i4 \
-O -I/usr/local/math/modulef_v93/ascii/sta/
s/include  /usr/local/math/modulef_v93/ascii/sta/s/ppal/toutxx.f
/usr/local/math/modulef_v93/ascii/sta/s/ppal/toutxx.f:
 MAIN toutxx:
        force:
        forcel:
        forcth:
        spclel:
        spclrl:
        spclth:
f77 -Bstatic -o /usr/local/math/modulef_v93/sun4/sta/bin/toutxx
/usr/local/math/modulef_v93/\
make/Installsun4/toutxx.o
 -L/usr/local/math/modulef_v93/sun4/sta/lib -lcomp -lnop2 -ltrac
 -lcosd -lflui -lreso -lelas\
 -lresd -lelcp -lresr -lt
her -lela2 -lela3 -lmagn -lnopo -lpoba -lresb -lvis3 -lutsd -lft3d
-lp_lsun4 -lp_script -lp_x11 -l_genera\
 -lft3d -lzzzz_modele -lutii -lblas_mod -lu_sun -lX11
f77: Fatal error in ld: Bus error
Compilation failed
*** Error code 1
make: Fatal error: Command failed for target `/usr/local/math/modulef_v93/sun4/sta/bin/toutxx'
Current working directory /usr/local/math/modulef_v93/make/Installsun4
*** Error code 1
make: Fatal error: Command failed for target `toutxx'
</PRE>
<P>
This bug was encountered on Sun,apparently, only a limited number of
object libraries can be input during linking, if the syntax
<code> -l&lt;library name&gt; </code> .
<P>
To avoid this problem, it is necessary to use command <tt> bb elm</tt> 
(see <IMG BORDER=0 ALIGN=MIDDLE ALT="" SRC="img284.gif"> <A HREF="node42.html#part4">5</A>) to link programs <tt> toutxx</tt> and <tt> vicoxx</tt>.
<P>

<P>

<P>
<P>

<P>

<P>

<P>

<P>

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