diff --git a/Make.inc b/Make.inc
index f0034a2d3be62..b12f1a0d17937 100644
--- a/Make.inc
+++ b/Make.inc
@@ -286,6 +286,9 @@ private_libdir := $(libdir)/julia
 endif
 build_private_libdir := $(build_libdir)/julia
 
+private_libexecdir := $(libexecdir)/julia
+build_private_libexecdir := $(build_libexecdir)/julia
+
 # A helper functions for dealing with lazily-evaluated, expensive operations..  Spinning
 # up a python process to, for exaxmple, parse a TOML file is expensive, and we must wait
 # until the TOML files are on-disk before we can parse them.  This means that we cannot
@@ -310,7 +313,7 @@ define cache_rel_path
 $(1)_rel_eval = $(call rel_path,$(2),$($(1)))
 $(1)_rel = $$(call hit_cache,$(1)_rel_eval)
 endef
-$(foreach D,libdir private_libdir datarootdir libexecdir docdir sysconfdir includedir,$(eval $(call cache_rel_path,$(D),$(bindir))))
+$(foreach D,libdir private_libdir datarootdir libexecdir private_libexecdir docdir sysconfdir includedir,$(eval $(call cache_rel_path,$(D),$(bindir))))
 $(foreach D,build_libdir build_private_libdir,$(eval $(call cache_rel_path,$(D),$(build_bindir))))
 
 # Save a special one: reverse_private_libdir_rel: usually just `../`, but good to be general:
diff --git a/Makefile b/Makefile
index 35bc195512ade..84f08f47761ca 100644
--- a/Makefile
+++ b/Makefile
@@ -253,7 +253,7 @@ endef
 
 install: $(build_depsbindir)/stringreplace docs
 	@$(MAKE) $(QUIET_MAKE) $(JULIA_BUILD_MODE)
-	@for subdir in $(bindir) $(datarootdir)/julia/stdlib/$(VERSDIR) $(docdir) $(man1dir) $(includedir)/julia $(libdir) $(private_libdir) $(sysconfdir) $(libexecdir); do \
+	@for subdir in $(bindir) $(datarootdir)/julia/stdlib/$(VERSDIR) $(docdir) $(man1dir) $(includedir)/julia $(libdir) $(private_libdir) $(sysconfdir) $(private_libexecdir); do \
 		mkdir -p $(DESTDIR)$$subdir; \
 	done
 
@@ -268,8 +268,8 @@ else ifeq ($(JULIA_BUILD_MODE),debug)
 	-$(INSTALL_M) $(build_libdir)/libjulia-internal-debug.dll.a $(DESTDIR)$(libdir)/
 endif
 
-	# We have a single exception; we want 7z.dll to live in libexec, not bin, so that 7z.exe can find it.
-	-mv $(DESTDIR)$(bindir)/7z.dll $(DESTDIR)$(libexecdir)/
+	# We have a single exception; we want 7z.dll to live in private_libexecdir, not bindir, so that 7z.exe can find it.
+	-mv $(DESTDIR)$(bindir)/7z.dll $(DESTDIR)$(private_libexecdir)/
 	-$(INSTALL_M) $(build_bindir)/libopenlibm.dll.a $(DESTDIR)$(libdir)/
 	-$(INSTALL_M) $(build_libdir)/libssp.dll.a $(DESTDIR)$(libdir)/
 	# The rest are compiler dependencies, as an example memcpy is exported by msvcrt
@@ -331,14 +331,14 @@ endif
 		done \
 	done
 endif
-	# Install `7z` into libexec/
-	$(INSTALL_M) $(build_bindir)/7z$(EXE) $(DESTDIR)$(libexecdir)/
+	# Install `7z` into private_libexecdir
+	$(INSTALL_M) $(build_bindir)/7z$(EXE) $(DESTDIR)$(private_libexecdir)/
 
-	# Install `lld` into libexec/
-	$(INSTALL_M) $(build_depsbindir)/lld$(EXE) $(DESTDIR)$(libexecdir)/
+	# Install `lld` into private_libexecdir
+	$(INSTALL_M) $(build_depsbindir)/lld$(EXE) $(DESTDIR)$(private_libexecdir)/
 
-	# Install `dsymutil` into libexec/
-	$(INSTALL_M) $(build_depsbindir)/dsymutil$(EXE) $(DESTDIR)$(libexecdir)/
+	# Install `dsymutil` into private_libexecdir/
+	$(INSTALL_M) $(build_depsbindir)/dsymutil$(EXE) $(DESTDIR)$(private_libexecdir)/
 
 	# Copy public headers
 	cp -R -L $(build_includedir)/julia/* $(DESTDIR)$(includedir)/julia
diff --git a/base/Makefile b/base/Makefile
index d92302b766988..0ea0359c8cc8e 100644
--- a/base/Makefile
+++ b/base/Makefile
@@ -66,6 +66,7 @@ ifeq ($(OS),WINNT)
 	@printf 'const LIBDIR = "%s"\n' '$(subst /,\\,$(libdir_rel))' >> $@
 	@printf 'const LIBEXECDIR = "%s"\n' '$(subst /,\\,$(libexecdir_rel))' >> $@
 	@printf 'const PRIVATE_LIBDIR = "%s"\n' '$(subst /,\\,$(private_libdir_rel))' >> $@
+	@printf 'const PRIVATE_LIBEXECDIR = "%s"\n' '$(subst /,\\,$(private_libexecdir_rel))' >> $@
 	@printf 'const INCLUDEDIR = "%s"\n' '$(subst /,\\,$(includedir_rel))' >> $@
 else
 	@echo "const SYSCONFDIR = \"$(sysconfdir_rel)\"" >> $@
@@ -74,6 +75,7 @@ else
 	@echo "const LIBDIR = \"$(libdir_rel)\"" >> $@
 	@echo "const LIBEXECDIR = \"$(libexecdir_rel)\"" >> $@
 	@echo "const PRIVATE_LIBDIR = \"$(private_libdir_rel)\"" >> $@
+	@echo "const PRIVATE_LIBEXECDIR = \"$(private_libexecdir_rel)\"" >> $@
 	@echo "const INCLUDEDIR = \"$(includedir_rel)\"" >> $@
 endif
 ifeq ($(DARWIN_FRAMEWORK), 1)
diff --git a/base/linking.jl b/base/linking.jl
index b2eea94b3cf26..fd21ce74c9268 100644
--- a/base/linking.jl
+++ b/base/linking.jl
@@ -49,8 +49,8 @@ end
 
 function __init_lld_path()
     # Prefer our own bundled lld, but if we don't have one, pick it up off of the PATH
-    # If this is an in-tree build, `lld` will live in `tools`.  Otherwise, it'll be in `libexec`
-    for bundled_lld_path in (joinpath(Sys.BINDIR, Base.LIBEXECDIR, lld_exe),
+    # If this is an in-tree build, `lld` will live in `tools`.  Otherwise, it'll be in `private_libexecdir`
+    for bundled_lld_path in (joinpath(Sys.BINDIR, Base.PRIVATE_LIBEXECDIR, lld_exe),
                              joinpath(Sys.BINDIR, "..", "tools", lld_exe),
                              joinpath(Sys.BINDIR, lld_exe))
         if isfile(bundled_lld_path)
@@ -64,7 +64,7 @@ end
 
 function __init_dsymutil_path()
     #Same as with lld but for dsymutil
-    for bundled_dsymutil_path in (joinpath(Sys.BINDIR, Base.LIBEXECDIR, dsymutil_exe),
+    for bundled_dsymutil_path in (joinpath(Sys.BINDIR, Base.PRIVATE_LIBEXECDIR, dsymutil_exe),
                              joinpath(Sys.BINDIR, "..", "tools", dsymutil_exe),
                              joinpath(Sys.BINDIR, dsymutil_exe))
         if isfile(bundled_dsymutil_path)
diff --git a/stdlib/LLD_jll/src/LLD_jll.jl b/stdlib/LLD_jll/src/LLD_jll.jl
index 80653353a7c17..a59d8deb8c7b5 100644
--- a/stdlib/LLD_jll/src/LLD_jll.jl
+++ b/stdlib/LLD_jll/src/LLD_jll.jl
@@ -70,8 +70,8 @@ end
 
 function init_lld_path()
     # Prefer our own bundled lld, but if we don't have one, pick it up off of the PATH
-    # If this is an in-tree build, `lld` will live in `tools`.  Otherwise, it'll be in `libexec`
-    for bundled_lld_path in (joinpath(Sys.BINDIR, Base.LIBEXECDIR, lld_exe),
+    # If this is an in-tree build, `lld` will live in `tools`.  Otherwise, it'll be in `private_libexecdir`
+    for bundled_lld_path in (joinpath(Sys.BINDIR, Base.PRIVATE_LIBEXECDIR, lld_exe),
                              joinpath(Sys.BINDIR, "..", "tools", lld_exe),
                              joinpath(Sys.BINDIR, lld_exe))
         if isfile(bundled_lld_path)
diff --git a/stdlib/p7zip_jll/src/p7zip_jll.jl b/stdlib/p7zip_jll/src/p7zip_jll.jl
index 4320003b282f7..eaa709735c383 100644
--- a/stdlib/p7zip_jll/src/p7zip_jll.jl
+++ b/stdlib/p7zip_jll/src/p7zip_jll.jl
@@ -69,8 +69,8 @@ end
 
 function init_p7zip_path()
     # Prefer our own bundled p7zip, but if we don't have one, pick it up off of the PATH
-    # If this is an in-tree build, `7z` will live in `bin`.  Otherwise, it'll be in `libexec`
-    for bundled_p7zip_path in (joinpath(Sys.BINDIR, Base.LIBEXECDIR, p7zip_exe),
+    # If this is an in-tree build, `7z` will live in `bindir`.  Otherwise, it'll be in `private_libexecdir`
+    for bundled_p7zip_path in (joinpath(Sys.BINDIR, Base.PRIVATE_LIBEXECDIR, p7zip_exe),
                                joinpath(Sys.BINDIR, p7zip_exe))
         if isfile(bundled_p7zip_path)
             global p7zip_path = abspath(bundled_p7zip_path)
diff --git a/test/osutils.jl b/test/osutils.jl
index 36f2878017129..5e72675279cbc 100644
--- a/test/osutils.jl
+++ b/test/osutils.jl
@@ -51,7 +51,7 @@ end
 if Sys.iswindows()
     @testset "path variables use correct path delimiters on windows" begin
         for path in (Base.SYSCONFDIR, Base.DATAROOTDIR, Base.DOCDIR,
-                     Base.LIBDIR, Base.PRIVATE_LIBDIR, Base.INCLUDEDIR, Base.LIBEXECDIR)
+                     Base.LIBDIR, Base.PRIVATE_LIBDIR, Base.INCLUDEDIR, Base.LIBEXECDIR, Base.PRIVATE_LIBEXECDIR)
             @test !occursin("/", path)
             @test !occursin("\\\\", path)
         end