made it install via github cleanly at least on my machine

doc-me-this.janet

@@ -0,0 +1,21 @@
+#!/usr/bin/env janet
+(import janetui :as ui)
+
+(defn main [& args]
+    (let [w (ui/window "doc-me-this" 500 250 true)
+          outerbox (ui/vertical-box)
+          entrybox (ui/search-entry )
+          biglabel (ui/multiline-entry)]
+      (ui/entry/on-changed entrybox |(let [entry (ui/entry/text entrybox)
+                                            doctext (let [buffer (buffer/new 4096)]
+                                                      (with-dyns [*out* buffer]
+                                                        (when (> (length entry) 0)
+                                                          (doc* entry)
+                                                          (doc* (symbol entry))))
+                                                      (string buffer))]
+                                            (ui/multiline-entry/text biglabel doctext)))
+      (ui/box/append outerbox entrybox)
+      (ui/box/append outerbox biglabel true)
+      (ui/window/set-child w outerbox)
+      (ui/show w))
+    (ui/main))

main.c

@@ -20,7 +20,7 @@
 * IN THE SOFTWARE.
 */
 
-#include <janet/janet.h>
+#include <janet.h>
 
 #include <string.h>
 #include <stdlib.h>

project.janet

@@ -4,13 +4,43 @@
   :url "https://github.com/janet-lang/janetui"
   :repo "https://github.com/janet-lang/janetui.git")
 
-(rule "build/janetui.so" ["CMakeLists.txt"]
-      (do
-        (os/mkdir "build")
-        (os/cd "build")
-        (os/execute ["cmake" ".."] :p)
-        (assert
+# build with --workers=1
+
+(def o (os/which))
+
+(defn buildwithcmake []
+    (do
+      (os/cd "libui")
+      ## need to make this error more verbose
+      (assert
+        (and
           (zero?
-            (os/execute ["make"] :p)))))
+            (os/execute ["cmake" "-B" "build" "-DBUILD_SHARED_LIBS=OFF"] :p))
+          (zero?
+            (os/execute ["cmake" "--build" "build"] :p))) "! use jpm build --workers=1 !")
+      (os/cd "..")))
+
+(rule "libui/build/out/libui.a" ["libui"] (buildwithcmake))
+
+(add-dep "build" "libui/build/out/libui.a")
+
+(declare-native
+  :name "janetui"
+  :source ["main.c"]
+  :cflags [;default-cflags ;(case o
+                              :macos '["-Ilibui" "-Ilibui/darwin"]
+                              :windows '["-Ilibui" "-Ilibui/windows" ]
+                              #default
+                              '["-Ilibui" "-Ilibui/unix"])]
+  :lflags [;default-lflags ;(case o
+                              :linux '[ "libui/build/out/libui.a" "-lglib-2.0" "-lgtk-3" "-lgdk-3"]
+                              #default
+                              '[ "libui/build/out/libui.a" "-lglib-2.0" "-lgtk-3" "-lgdk-3"])])
 
-(add-dep "build" "build/janetui.so")
+(comment 
+(declare-executable
+  :name "doc-me-this"
+  :entry "doc-me-this.janet"
+  :install false
+  :deps [(native-module :static)])
+)

test.janet

@@ -1,6 +1,6 @@
 #!/usr/bin/env janet
 
-(import build/libjanetui :as ui)
+(import ./build/janetui :as ui)
 
 (def menu (ui/menu "File"))