Expose FreeType headers to importers

src/FreeType.cake

@@ -1,15 +1,12 @@
-(c-import
- ;; Included only for FT_BEGIN_HEADER etc.
- ;; Normally we are "supposed" to include the headers via the defines, but that would break the build
- ;; system's ability to find dependent headers to scan.
- "freetype/config/ftheader.h"
- "freetype/freetype.h")
-
-(comptime-cond
- ('auto-test
-  (c-import "<stdio.h>")
-
-  (defmacro freetype-check-result-or-return (result symbol while-doing string)
+(export-and-evaluate
+ (c-import
+  ;; Included only for FT_BEGIN_HEADER etc.
+  ;; Normally we are "supposed" to include the headers via the defines, but that would break the build
+  ;; system's ability to find dependent headers to scan.
+  "freetype/config/ftheader.h"
+  "freetype/freetype.h"))
+
+(defmacro freetype-check-result-or-return (result symbol while-doing string)
     (tokenize-push output
       (unless (= (token-splice result) FT_Err_Ok)
         (fprintf stderr "error: encountered error %d while %s\n" (token-splice result)
@@ -17,6 +14,10 @@
         (return 1)))
     (return true))
 
+(comptime-cond
+ ('auto-test
+  (c-import "<stdio.h>")
+
   (defun test--freetype (&return int)
     (var freetype-library FT_Library)
     (var result int