Merge #14036: travis: Run unit tests --with-sanitizers=undefined

fad8afa388 travis: Run unit tests --with-sanitizers=undefined (MarcoFalke)
0d00fd5901 depends: allow CC/CXX to be overridden during configure (Cory Fields)

Pull request description:

  See issue #12691

Tree-SHA512: 0772e8e037411cb4664270945a0fc9c0c1ed24eeaf5308460baee707868f7b700d8e740a6babb1d02bc818a8a4b71d9e33601ab2cc850ff315755fcf3d79d29e

.travis.yml

@@ -14,7 +14,8 @@ stages:
 env:
   global:
     - MAKEJOBS=-j3
-    - RUN_TESTS=false
+    - RUN_UNIT_TESTS=true
+    - RUN_FUNCTIONAL_TESTS=true
     - RUN_BENCH=false  # Set to true for any one job that has debug enabled, to quickly check bench is not crashing or hitting assertions
     - DOCKER_NAME_TAG=ubuntu:18.04
     - LC_ALL=C.UTF-8
@@ -59,10 +60,10 @@ script:
     - cd bitcoin-$HOST
     - BEGIN_FOLD configure; DOCKER_EXEC ./configure --cache-file=../config.cache $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false); END_FOLD
     - BEGIN_FOLD build; DOCKER_EXEC make $MAKEJOBS $GOAL || ( echo "Build failure. Verbose build follows." && DOCKER_EXEC make $GOAL V=1 ; false ); END_FOLD
-    - if [ "$RUN_TESTS" = "true" ]; then BEGIN_FOLD unit-tests; DOCKER_EXEC LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/depends/$HOST/lib make $MAKEJOBS check VERBOSE=1; END_FOLD; fi
+    - if [ "$RUN_UNIT_TESTS" = "true" ]; then BEGIN_FOLD unit-tests; DOCKER_EXEC LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/depends/$HOST/lib make $MAKEJOBS check VERBOSE=1; END_FOLD; fi
     - if [ "$RUN_BENCH" = "true" ]; then BEGIN_FOLD bench; DOCKER_EXEC LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/depends/$HOST/lib $OUTDIR/bin/bench_bitcoin -scaling=0.001 ; END_FOLD; fi
     - if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then extended="--extended --exclude feature_pruning,feature_dbcrash"; fi
-    - if [ "$RUN_TESTS" = "true" ]; then BEGIN_FOLD functional-tests; DOCKER_EXEC test/functional/test_runner.py --combinedlogslen=4000 --coverage --quiet --failfast ${extended}; END_FOLD; fi
+    - if [ "$RUN_FUNCTIONAL_TESTS" = "true" ]; then BEGIN_FOLD functional-tests; DOCKER_EXEC test/functional/test_runner.py --combinedlogslen=4000 --coverage --quiet --failfast ${extended}; END_FOLD; fi
 after_script:
     - echo $TRAVIS_COMMIT_RANGE
     - echo $TRAVIS_COMMIT_LOG
@@ -74,6 +75,8 @@ jobs:
         HOST=arm-linux-gnueabihf
         PACKAGES="g++-arm-linux-gnueabihf"
         DEP_OPTS="NO_QT=1"
+        RUN_UNIT_TESTS=false
+        RUN_FUNCTIONAL_TESTS=false
         GOAL="install"
         BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports"
 # Win32
@@ -83,7 +86,6 @@ jobs:
         DPKG_ADD_ARCH="i386"
         DEP_OPTS="NO_QT=1"
         PACKAGES="python3 nsis g++-mingw-w64-i686 wine-binfmt wine32"
-        RUN_TESTS=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-reduce-exports"
 # Win64
@@ -92,7 +94,6 @@ jobs:
         HOST=x86_64-w64-mingw32
         DEP_OPTS="NO_QT=1"
         PACKAGES="python3 nsis g++-mingw-w64-x86-64 wine-binfmt wine64"
-        RUN_TESTS=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-reduce-exports"
 # 32-bit + dash
@@ -101,7 +102,6 @@ jobs:
         HOST=i686-pc-linux-gnu
         PACKAGES="g++-multilib python3-zmq"
         DEP_OPTS="NO_QT=1"
-        RUN_TESTS=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-zmq --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++"
         CONFIG_SHELL="/bin/dash"
@@ -111,26 +111,32 @@ jobs:
         HOST=x86_64-unknown-linux-gnu
         PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools protobuf-compiler libdbus-1-dev libharfbuzz-dev libprotobuf-dev"
         DEP_OPTS="NO_QT=1 NO_UPNP=1 DEBUG=1 ALLOW_HOST_PACKAGES=1"
-        RUN_TESTS=true
-        RUN_BENCH=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-zmq --with-gui=qt5 --enable-glibc-back-compat --enable-reduce-exports --enable-debug CXXFLAGS=\"-g0 -O2\""
-# x86_64 Linux (Qt5 & system libs)
+# x86_64 Linux (no depends, only system libs)
     - stage: test
       env: >-
         HOST=x86_64-unknown-linux-gnu
         PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libssl1.0-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libprotobuf-dev protobuf-compiler libqrencode-dev"
         NO_DEPENDS=1
-        RUN_TESTS=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --enable-glibc-back-compat --enable-reduce-exports --with-gui=qt5 CPPFLAGS=-DDEBUG_LOCKORDER"
+# x86_64 Linux (sanitizers)
+    - stage: test
+      env: >-
+        HOST=x86_64-unknown-linux-gnu
+        PACKAGES="clang python3-zmq qtbase5-dev qttools5-dev-tools libssl1.0-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libprotobuf-dev protobuf-compiler libqrencode-dev"
+        NO_DEPENDS=1
+        RUN_BENCH=true
+        RUN_FUNCTIONAL_TESTS=false # Disabled for now, can be combined with the other x86_64 linux NO_DEPENDS job when functional tests pass the sanitizers
+        GOAL="install"
+        BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --enable-glibc-back-compat --enable-reduce-exports --with-gui=qt5 CPPFLAGS=-DDEBUG_LOCKORDER --with-sanitizers=undefined CC=clang CXX=clang++"
 # x86_64 Linux, No wallet
     - stage: test
       env: >-
         HOST=x86_64-unknown-linux-gnu
         PACKAGES="python3"
         DEP_OPTS="NO_WALLET=1"
-        RUN_TESTS=true
         GOAL="install"
         BITCOIN_CONFIG="--enable-glibc-back-compat --enable-reduce-exports"
 # Cross-Mac
@@ -139,6 +145,8 @@ jobs:
         HOST=x86_64-apple-darwin14
         PACKAGES="cmake imagemagick libcap-dev librsvg2-bin libz-dev libbz2-dev libtiff-tools python-dev python3-setuptools-git"
         OSX_SDK=10.11
+        RUN_UNIT_TESTS=false
+        RUN_FUNCTIONAL_TESTS=false
         GOAL="all deploy"
         BITCOIN_CONFIG="--enable-gui --enable-reduce-exports --enable-werror"
     - stage: lint

depends/config.site.in

@@ -61,9 +61,12 @@ fi
 CPPFLAGS="-I$depends_prefix/include/ $CPPFLAGS"
 LDFLAGS="-L$depends_prefix/lib $LDFLAGS"
 
-CC="@CC@"
-CXX="@CXX@"
-OBJC="${CC}"
+if test -n "@CC@" -a -z "${CC}"; then
+  CC="@CC@"
+fi
+if test -n "@CXX@" -a -z "${CXX}"; then
+  CXX="@CXX@"
+fi
 PYTHONPATH=$depends_prefix/native/lib/python/dist-packages:$PYTHONPATH
 
 if test -n "@AR@"; then