Bug: 64267858
Test: create reference dump for libjpeg; add exported function to libjpeg;
m -j libjpeg.vendor, build fails with helpful message.
Test: create reference dump for libjpeg; add exported function to libjpeg;
m -j libjpeg.vendor dist DIST_DIR=dist, build fails with helpful message.
Merged-In: Iae25374fe937a0cbe8a8ddf9e23c3bc1f62bbb2a
Change-Id: Iae25374fe937a0cbe8a8ddf9e23c3bc1f62bbb2a
(cherry picked from commit d8b70a39d1)
(cherry picked from commit 301aa8a8dcb0a92e96ffbf1aa2da3ca49ce2bda9)