[Bug 261977] lang/gcc12-devel: enable LTO

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 27 Mar 2022 15:47:14 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261977

--- Comment #8 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #6)

Just for reference: I tested the build time for reverting the
code in my context:

# git -C /usr/ports/ diff lang/gcc12-devel/Makefile
diff --git a/lang/gcc12-devel/Makefile b/lang/gcc12-devel/Makefile
index 644abf2cbb86..fab28c952f80 100644
--- a/lang/gcc12-devel/Makefile
+++ b/lang/gcc12-devel/Makefile
@@ -83,7 +83,7 @@ CONFIGURE_OUTSOURCE=  yes
 .if empty(PORT_OPTIONS:MBOOTSTRAP)
 CONFIGURE_ARGS+=--disable-bootstrap
 .else
-CONFIGURE_ARGS+=--with-build-config=bootstrap-lto-noplugin
+CONFIGURE_ARGS+=--with-build-config=bootstrap-debug
 ALL_TARGET=    bootstrap-lean
 .endif
 INSTALL_TARGET=        install-strip

The result was 01:38:45 for using bootstrap-debug:

[01:39:00] [01] [01:38:45] Finished lang/gcc12-devel |
gcc12-devel-12.0.1.s20220306_1: Success

instead of the earlier 04:06:27 for using bootstrap-lto-noplugin :

[04:33:13] [01] [04:06:27] Finished lang/gcc12-devel |
gcc12-devel-12.0.1.s20220306_1: Success

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