Merge #17367: ci: Run non-cross-compile builds natively

faf757a125 ci: Guess the native host when not cross compiling (MarcoFalke)
fa8a60bce9 ci: Run non-cross-compile builds natively (MarcoFalke)
fa56bcbb01 ci: Run CI_WAIT only on travis (MarcoFalke)

Pull request description:

  non-cross-compile ci builds should not hardcode an architecture, so they can be run on any ci system

ACKs for top commit:
  laanwj:
    re-ACK faf757a125

Tree-SHA512: 97f86ad411e98c6317a62f829bee26c16dbe3fa54d8ac013018f7669b653d7d6d750740b2ecfb7175195d5fffc701ce503b0d11802b97af30904b51bb23f2073

.travis.yml

@@ -28,6 +28,7 @@
 dist: xenial
 os: linux
 language: minimal
+arch: amd64
 cache:
   ccache: true
   directories:
@@ -46,6 +47,7 @@ stages:
 env:
   global:
     - CI_RETRY_EXE="travis_retry"
+    - CI_WAIT="while sleep 500; do echo .; done"
     - CACHE_ERR_MSG="Error! Initial build successful, but not enough time remains to run later build stages and tests. Please manually re-run this job by using the travis restart button or asking a bitcoin maintainer to restart. The next run should not time out because the build cache has been saved."
 before_install:
   - set -o errexit; source ./ci/test/00_setup_env.sh
@@ -113,33 +115,33 @@ jobs:
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [uses qt5 dev package instead of depends Qt to speed up build and avoid timeout] [unsigned char]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_qt5.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_qt5.sh"
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [trusty]  [no functional tests, no depends, only system libs]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_trusty.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_trusty.sh"
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [xenial]  [no depends, only system libs, sanitizers: thread (TSan), no wallet]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_tsan.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_tsan.sh"
         TEST_RUNNER_EXTRA="--exclude feature_block"  # Not enough memory on travis machines
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: address/leak (ASan + LSan) + undefined (UBSan) + integer]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_asan.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_asan.sh"
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no depends, only system libs, sanitizers: fuzzer,address,undefined]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_fuzz.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_fuzz.sh"
 
     - stage: test
       name: 'x86_64 Linux  [GOAL: install]  [bionic]  [no wallet]'
       env: >-
-        FILE_ENV="./ci/test/00_setup_env_amd64_nowallet.sh"
+        FILE_ENV="./ci/test/00_setup_env_native_nowallet.sh"
 
     - stage: test
       name: 'macOS 10.10  [GOAL: deploy] [no functional tests]'

ci/test/00_setup_env.sh

@@ -21,7 +21,10 @@ echo "Fallback to default values in env (if not yet set)"
 export MAKEJOBS=${MAKEJOBS:--j4}
 # A folder for the ci system to put temporary files (ccache, datadirs for tests, ...)
 export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch/}
-export HOST=${HOST:-x86_64-unknown-linux-gnu}
+# What host to compile for. See also ./depends/README.md
+# Tests that need cross-compilation export the appropriate HOST.
+# Tests that run natively guess the host
+export HOST=${HOST:-$("$BASE_ROOT_DIR/depends/config.guess")}
 # Whether to prefer BusyBox over GNU utilities
 export USE_BUSY_BOX=${USE_BUSY_BOX:-false}
 export RUN_UNIT_TESTS=${RUN_UNIT_TESTS:-true}

ci/test/00_setup_env_native_asan.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export PACKAGES="clang llvm 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 libqrencode-dev"
 export NO_DEPENDS=1
 export GOAL="install"

ci/test/00_setup_env_native_fuzz.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export PACKAGES="clang llvm python3 libssl1.0-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev"
 export NO_DEPENDS=1
 export RUN_UNIT_TESTS=false

ci/test/00_setup_env_native_nowallet.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export PACKAGES="python3-zmq"
 export DEP_OPTS="NO_WALLET=1"
 export GOAL="install"

ci/test/00_setup_env_native_qt5.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libdbus-1-dev libharfbuzz-dev"
 export DEP_OPTS="NO_QT=1 NO_UPNP=1 DEBUG=1 ALLOW_HOST_PACKAGES=1"
 export TEST_RUNNER_EXTRA="--coverage --extended --exclude feature_dbcrash"  # Run extended tests so that coverage does not fail, but exclude the very slow dbcrash

ci/test/00_setup_env_native_trusty.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export DOCKER_NAME_TAG=ubuntu:14.04
 export PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libicu-dev libpng-dev libssl-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.1++-dev libzmq3-dev libqrencode-dev"
 export NO_DEPENDS=1

ci/test/00_setup_env_native_tsan.sh

@@ -6,7 +6,6 @@
 
 export LC_ALL=C.UTF-8
 
-export HOST=x86_64-unknown-linux-gnu
 export DOCKER_NAME_TAG=ubuntu:16.04
 export PACKAGES="clang llvm python3-zmq qtbase5-dev qttools5-dev-tools libssl-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 libqrencode-dev"
 export NO_DEPENDS=1

ci/test/06_script_b.sh

@@ -32,7 +32,7 @@ fi
 
 if [ "$RUN_UNIT_TESTS" = "true" ]; then
   BEGIN_FOLD unit-tests
-  bash -c "while sleep 500; do echo .; done" &  # Print dots in case the unit tests take a long time to run
+  bash -c "${CI_WAIT}" &  # Print dots in case the unit tests take a long time to run
   DOCKER_EXEC LD_LIBRARY_PATH=$BASE_BUILD_DIR/depends/$HOST/lib make $MAKEJOBS check VERBOSE=1
   END_FOLD
 fi