Define ZLIB_CONST to add constness.

The next_in and msg fields in z_stream will become pointers to const
data.

Test: m checkbuild
Change-Id: I4383eb2387eb1ab423591a2d1a4f4470b540f835

1 files changed, 1 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 9d1dde1..c079c3b 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4,6 +4,7 @@ cc_defaults {
     cflags: [
         "-O3",
         "-DUSE_MMAP",
+        "-DZLIB_CONST",
     ],
     stl: "none",
     export_include_dirs: ["."],