0.56.4 lints, try to convice Travis CI to build for ppc64le

.ci_support/linux_64_numpy1.20python3.8.____cpython.yaml

@@ -13,7 +13,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '10'
 docker_image:
-- quay.io/condaforge/linux-anvil-comp7
+- quay.io/condaforge/linux-anvil-cos7-x86_64
 numpy:
 - '1.20'
 pin_run_as_build:

.ci_support/linux_64_numpy1.20python3.9.____cpython.yaml

@@ -13,7 +13,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '10'
 docker_image:
-- quay.io/condaforge/linux-anvil-comp7
+- quay.io/condaforge/linux-anvil-cos7-x86_64
 numpy:
 - '1.20'
 pin_run_as_build:

.ci_support/linux_64_numpy1.21python3.10.____cpython.yaml

@@ -13,7 +13,7 @@ cxx_compiler:
 cxx_compiler_version:
 - '10'
 docker_image:
-- quay.io/condaforge/linux-anvil-comp7
+- quay.io/condaforge/linux-anvil-cos7-x86_64
 numpy:
 - '1.21'
 pin_run_as_build:

recipe/meta.yaml

@@ -12,7 +12,7 @@ source:
   sha256: {{ sha256 }}
 
 build:
-  number: 0
+  number: 1
   entry_points:
     - pycc = numba.pycc:main
     - numba = numba.misc.numba_entry:main
@@ -24,7 +24,6 @@ build:
     # tbb-devel triggers hard dependency on tbb, this is not the case.
     - tbb
   skip: true  # [python_impl == 'pypy']
-  skip: true  # [py<37]
 
 requirements:
   build:
@@ -53,7 +52,7 @@ requirements:
     - setuptools
 
   run_constrained:
-    - tbb  2021.*  # [not (armv6l or armv7l or aarch64 or linux32 or ppc64le)]
+    - {{ pin_compatible('tbb-devel', min_pin='x', max_pin='x') | replace('-devel', '') }}
     # avoid confusion from openblas bugs
     - libopenblas !=0.3.6  # [x86_64]
     - libopenblas >=0.3.18, !=0.3.20  # [arm64]
@@ -77,8 +76,7 @@ test:
     - scipy
     - ipython
     - setuptools
-    - tbb >=2021.0
-    - llvm-openmp              # [osx]
+    - {{ pin_compatible('tbb-devel', min_pin='x', max_pin='x') | replace('-devel', '') }}
     # Need these for AOT. Do not init msvc as it may not be present
     - {{ compiler('c') }}      # [not win]
     - {{ compiler('cxx') }}    # [not win]

recipe/run_test.sh

@@ -6,12 +6,18 @@ export NUMBA_DEVELOPER_MODE=1
 export NUMBA_DISABLE_ERROR_MESSAGE_HIGHLIGHTING=1
 export PYTHONFAULTHANDLER=1
 
+runtests=(
+  python -m numba.runtests
+  -b
+  --exclude-tags='long_running'
+)
+
 unamestr=`uname`
 if [[ "$unamestr" == 'Linux' ]]; then
-  SEGVCATCH=catchsegv
+  runtests=(catchsegv "${runtests[@]}")
   export CC="${CC} -pthread"
 elif [[ "$unamestr" == 'Darwin' ]]; then
-  SEGVCATCH=""
+  :
 else
   echo Error
 fi
@@ -20,11 +26,11 @@ fi
 # occur on high core count systems
 archstr=`uname -m`
 if [[ "$archstr" == 'ppc64le' ]]; then
-    TEST_NPROCS=1
+    runtests+=(-m 1)
 elif [[ "$archstr" == 'aarch64' ]]; then
-    TEST_NPROCS=4
+    runtests+=(-m 4)
 else
-    TEST_NPROCS=${CPU_COUNT}
+    runtests+=(-m ${CPU_COUNT})
 fi
 
 # Disable NumPy dispatching to AVX512_SKX feature extensions if the chip is
@@ -52,13 +58,25 @@ numba -s
 python -m numba.tests.test_runtests
 
 if [[ "$archstr" == 'aarch64' ]] || [[ "$archstr" == "ppc64le" ]]; then
-	echo 'Running only a slice of tests'
-	$SEGVCATCH python -m numba.runtests -b -j --random='0.15' --exclude-tags='long_running' -m $TEST_NPROCS -- numba.tests
+  echo 'Running only a slice of tests'
+  # Run tests verbosely to avoid Travis CI from killing it early
+  runtests+=(-v)
+  if [[ "$archstr" == "ppc64le" ]]; then
+    runtests+=(-j --random='0.125')
+  else
+    runtests+=(-j --random='0.5')
+  fi
+  runtests+=(-- numba.tests)
 # Else run the whole test suite
 else
-	echo 'Running all the tests except long_running'
-	echo "Running: $SEGVCATCH python -m numba.runtests -b -m $TEST_NPROCS -- $TESTS_TO_RUN"
-$SEGVCATCH python -m numba.runtests -b --exclude-tags='long_running' -m $TEST_NPROCS -- $TESTS_TO_RUN
+  echo 'Running all the tests except long_running'
+  runtests+=(--)
 fi
 
+echo "Running: ${runtests[*]}"
+# Oddly enough, Travis CI seems to buffer stderr output more than stdout;
+# So, to avoid early job terminations, redirect stderr to stdout
+2>&1 \
+  "${runtests[@]}"
+
 pip check