Merge pull request #2404 from facebook/lz4check

fix lz4 compatibility test broken in docker

.github/workflows/generic-release.yml

@@ -62,6 +62,7 @@ jobs:
       run: |
         make lz4install
         make -C tests test-lz4
+        make check < /dev/null | tee   # mess with lz4 console detection
         make clean
         make -C tests test-pool
         make clean

.travis.yml

@@ -216,11 +216,12 @@ matrix:
         - make -C zlibWrapper test
         - make -C zlibWrapper valgrindTest
 
-    - name: LZ4, thread pool, and partial libs tests    # ~2mn
+    - name: LZ4, thread pool, and partial libs tests    # ~4mn
       if: branch = master
       script:
         - make lz4install
         - make -C tests test-lz4
+        - make check < /dev/null | tee    # mess with lz4 console detection
         - make clean
         - make -C tests test-pool
         - make clean

tests/playTests.sh

@@ -1103,7 +1103,7 @@ if [ $LZ4MODE -eq 1 ]; then
         datagen > tmp
         zstd --format=lz4 -f tmp
         lz4 -t -v tmp.lz4
-        lz4 -f tmp
+        lz4 -f -m tmp   # ensure result is sent into tmp.lz4, not stdout
         zstd -d -f -v tmp.lz4
         rm tmp*
     else