Add Base internal function LIBEXECDIR

README.md

@@ -45,7 +45,7 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 ## Module Aliases
 
-## New functions, macros, and methods
+## New functions, macros, methods, and constants
 
 * `only(x)` returns the one-and-only element of a collection `x` ([#33129]). (since Compat 2.2.0)
 
@@ -62,6 +62,8 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `merge` methods with one and `n` `NamedTuple`s ([#29259]). (since Compat 2.0.0)
 
+* `Base.LIBEXECDIR` constant which emulates the relative directory of `libexec` path ([#33777]). (since Compat 2.3.0)
+
 ## Renaming
 
 ## New macros
@@ -111,3 +113,4 @@ Note that you should specify the correct minimum version for `Compat` in the
 [#32628]: https://github.com/JuliaLang/julia/issues/32628
 [#33129]: https://github.com/JuliaLang/julia/issues/33129
 [#33568]: https://github.com/JuliaLang/julia/pull/33568
+[#33777]: https://github.com/JuliaLang/julia/pull/33777

src/Compat.jl

@@ -93,6 +93,19 @@ if VERSION < v"1.4.0-DEV.329"
     Base.:∘(f, g, h...) = ∘(f ∘ g, h...)
 end
 
+# https://github.com/JuliaLang/julia/pull/33777
+if v"1.4.0-DEV.172" <= VERSION < v"1.4.0-DEV.445"
+    libexecdir = Sys.iswindows() ? "..\\libexec" : "../libexec"
+    @eval(Base, const LIBEXECDIR = $libexecdir)
+elseif v"1.4" <= VERSION < v"1.4.0-DEV.172" 
+    @eval(Base, const LIBEXECDIR = "")
+elseif v"1.3.0-rc3" <= VERSION <= v"1.3.0-rc5"     
+    libexecdir = Sys.iswindows() ? "..\\libexec" : "../libexec"
+    @eval(Base, const LIBEXECDIR = $libexecdir)
+elseif VERSION < v"1.3.0-rc3"
+    @eval(Base, const LIBEXECDIR = "")
+end
+
 include("deprecated.jl")
 
 end # module Compat