Adding exporting dependency for subprojects.

meson.build

@@ -46,7 +46,12 @@ headers = [
 elfspylib = library('elfspy',
     sources,
     install : true,
-    include_directories: ['..', '.'],
+    include_directories: ['.'],
+    c_args: ['-fPIC', '-O0', '-g'],
 )
 install_headers(headers, subdir: 'elfspy')
 pkg.generate(elfspylib)
+elfspy_dep = declare_dependency ( 
+    include_directories: ['.'],
+    link_with: elfspylib
+)