Mark symbols public instead of exporting.

Project.toml

@@ -1,6 +1,6 @@
 name = "GPUToolbox"
 uuid = "096a3bc2-3ced-46d0-87f4-dd12716f4bfc"
-version = "0.1.0"
+version = "0.2.0"
 
 [compat]
 julia = "1.10"

README.md

@@ -17,7 +17,7 @@
 
 ## Functionality
 
-This package currently exports the following:
+This package currently has the following public symbols:
 - `SimpleVersion`: a GPU-compatible version number
 - `@sv_str`: constructs a SimpleVersion from a string
 - `@checked`: Add to a function definition to generate an unchecked and a checked version.

src/ccalls.jl

@@ -1,7 +1,8 @@
 # utilities for calling foreign functionality more conveniently
 
-export @checked, @debug_ccall, @gcsafe_ccall
-
+if VERSION >= v"1.11.0-DEV.469"
+    eval(Meta.parse("public @checked, @debug_ccall, @gcsafe_ccall"))
+end
 
 ## function wrapper for checking the return value of a function
 

src/simpleversion.jl

@@ -1,4 +1,6 @@
-export SimpleVersion, @sv_str
+if VERSION >= v"1.11.0-DEV.469"
+    eval(Meta.parse("public SimpleVersion, @sv_str"))
+end
 
 """
     SimpleVersion(major, [minor])

test/runtests.jl

@@ -1,5 +1,5 @@
 using Test
-using GPUToolbox
+using GPUToolbox: SimpleVersion, @sv_str
 
 @testset "GPUToolbox.jl" begin
     @testset "SimpleVersion" begin