RFR: 8244224: Implementation of JEP 381: Remove the Solaris and SPARC Ports (build system)

[Kim Barrett]

> On May 4, 2020, at 1:12 AM, Mikael Vidstedt <mikael.vidstedt at oracle.com> wrote:
> 
> 
> Please review this change which implements part of JEP 381:
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8244224
> webrev: http://cr.openjdk.java.net/~mikael/webrevs/8244224/webrev.00/build/open/webrev/
> JEP: https://bugs.openjdk.java.net/browse/JDK-8241787

Looks good to me.

One comment:

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build/open/webrev/make/autoconf/libraries.m4
 107   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
 108     GLOBAL_LIBS="-lc"
 109   else
 110     GLOBAL_LIBS=""
 111   fi
=>
 106   GLOBAL_LIBS=""

With this change, GLOBAL_LIBS appears to never have a non-empty value.
Maybe it's no longer needed at all.

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