1 files changed, 12 insertions, 0 deletions
diff --git a/Android.bp b/Android.bp
index 750884b16..4af25048f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -55,6 +55,14 @@ cc_defaults {
         "-DOPJ_STATIC",
         "-DPNG_PREFIX",
         "-DPNG_USE_READ_MACROS",
+
+        // Do not export functions by default. Export only functions annotated
+        // with FPDF_EXPORT.
+        "-fvisibility=hidden",
+
+        // Macro definitions to enable FPDF_EXPORT.
+        "-DCOMPONENT_BUILD",
+        "-DFPDF_IMPLEMENTATION",
     ],
 
     arch: {
@@ -143,6 +151,10 @@ cc_library_shared {
         "libz",
     ],
 
+    ldflags: [
+      "-Wl,-icf=all",
+    ],
+
     export_include_dirs: ["public"],
 
 }