oss-fuzz: show meson logs

It should help to make it more clear what causes issues like
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30140
and https://github.com/google/oss-fuzz/pull/5084

diff --git a/tools/oss-fuzz.sh b/tools/oss-fuzz.sh
index 491246b32ba1970724c01169a37fb6c08ba5290e..767da15f7c7f7e249f1eccd7167fd98287dae6a2 100755 (executable)
--- a/tools/oss-fuzz.sh
+++ b/tools/oss-fuzz.sh
@@ -38,7 +38,11 @@ else
     fi
 fi
 
-meson $build -D$fuzzflag -Db_lundef=false
+if ! meson $build -D$fuzzflag -Db_lundef=false; then
+    cat $build/meson-logs/meson-log.txt
+    exit 1
+fi
+
 ninja -v -C $build fuzzers
 
 # The seed corpus is a separate flat archive for each fuzzer,