Add PGO/LTO/BOLT Makefiles to NEWS.md and HISTORY.md (JuliaLang#55282)

Ref: JuliaLang#54107 (comment). If accepted, I'll add the NEWS.md entry for PGO/LTO in the release-1.11 branch too.
lazarusA · Aug 17, 2024 · cac6a6b · cac6a6b
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diff --git a/HISTORY.md b/HISTORY.md
@@ -79,6 +79,8 @@ Multi-threading changes
 Build system changes
 --------------------
 
+* There is a new `Makefile` to build Julia and LLVM using the profile-guided and link-time optimizations (PGO and LTO) strategies, see `contrib/pgo-lto/Makefile` ([#45641]).
+
 New library functions
 ---------------------
 
@@ -414,6 +416,7 @@ Deprecated or removed
 [#44247]: https://github.com/JuliaLang/julia/issues/44247
 [#45164]: https://github.com/JuliaLang/julia/issues/45164
 [#45396]: https://github.com/JuliaLang/julia/issues/45396
+[#45641]: https://github.com/JuliaLang/julia/issues/45641
 [#45962]: https://github.com/JuliaLang/julia/issues/45962
 [#46196]: https://github.com/JuliaLang/julia/issues/46196
 [#46372]: https://github.com/JuliaLang/julia/issues/46372

diff --git a/NEWS.md b/NEWS.md
@@ -63,6 +63,8 @@ Multi-threading changes
 Build system changes
 --------------------
 
+* There are new `Makefile`s to build Julia and LLVM using the Binary Optimization and Layout Tool (BOLT), see  `contrib/bolt` and `contrib/pgo-lto-bolt` ([#54107]).
+
 New library functions
 ---------------------
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@@ Expand Up / @@ -63,6 +63,8 @@ Multi-threading changes @@
     Build system changes
     --------------------
+    * There are new `Makefile`s to build Julia and LLVM using the Binary Optimization and Layout Tool (BOLT), see  `contrib/bolt` and `contrib/pgo-lto-bolt` ([#54107]).
     New library functions
     ---------------------
@@ Expand Down @@