install.texi: Various SCO OpenServer tweaks.

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        * install.texi: Various SCO OpenServer tweaks.

[[Split portion of a mixed commit.]]

From-SVN: r21710.2

gcc/install.texi

@@ -992,11 +992,12 @@ Use this configuration for SCO release 3.2 version 4.
 Use this for the SCO OpenServer Release family including 5.0.0, 5.0.2, 
 5.0.4, 5.0.5, Internet FastStart 1.0, and Internet FastStart 1.1.
 
-GNU CC can generate either ELF or COFF binaries.   ELF is the default.
-To get COFF output, you must specify @samp{-mcoff}) on the command line.
+GNU CC can generate COFF binaries if you specify @samp{-mcoff} or ELF
+binaries, the default.    A full @samp{make bootstrap} is recommended
+so that an ELF compiler that builds ELF is generated.                   
 
-For 5.0.0 and 5.0.2, you must install TLS597 from ftp.sco.com/TLS.
-5.0.4 and later do not require this patch.
+You must have TLS597 from @uref{ftp://ftp.sco.com/TLS} installed for ELF
+C++ binaries to work correctly on releases before 5.0.4. 
 
 The native SCO assembler that is provided with the OS at no charge
 is normally required.  If, however, you must be able to use the GNU
@@ -1008,11 +1009,11 @@ option, you will be unable to build COFF images.  Trying to do so will
 result in non-obvious failures.  In general, the "--with-gnu-as" option
 isn't as well tested as the native assembler.
 
-@emph{NOTE:} You must follow the instructions about invoking
-@samp{make bootstrap} because the native OpenServer compiler builds
-a @file{cc1plus} that will not correctly parse many valid C++ programs.
-You must do a @samp{make bootstrap} if you are building with the native
-compiler.
+@emph{NOTE:} If you are building C++, you must follow the instructions
+about invoking @samp{make bootstrap} because the native OpenServer
+compiler may build a @file{cc1plus} that will not correctly parse many
+valid C++ programs.  You must do a @samp{make bootstrap} if you are
+building with the native compiler.
 
 @item i386-*-isc
 It may be a good idea to link with GNU malloc instead of the malloc that