CI for both arms (#151)

* Add another ARM

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.8)
 project(snmalloc C CXX)
 
+include(CheckCXXCompilerFlag)
+
 option(USE_SNMALLOC_STATS "Track allocation stats" OFF)
 option(SNMALLOC_CI_BUILD "Disable features not sensible for CI" OFF)
 option(USE_MEASURE "Measure performance with histograms" OFF)
@@ -145,12 +147,14 @@ if(NOT DEFINED SNMALLOC_ONLY_HEADER_LIBRARY)
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /DEBUG")
   else()
     add_compile_options(-fno-exceptions -fno-rtti -g -ftls-model=initial-exec -fomit-frame-pointer)
-    if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
-     add_compile_options(-march=native)
-    elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
-     add_compile_options(-march=native)
-    elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
-     add_compile_options(-march=native)
+
+    if((${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64") OR
+       (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86") OR
+       (${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm"))
+      check_cxx_compiler_flag(-march=native SUPPORT_MARCH_NATIVE)
+      if (SUPPORT_MARCH_NATIVE)
+        add_compile_options(-march=native)
+      endif()
     endif()
   endif()
 

azure-pipelines.yml

@@ -103,25 +103,43 @@ jobs:
     displayName: 'Test'
 
 - job:
-  displayName: 'ARM64 Linux'
+  displayName: 'ARM Linux'
   pool:
     vmImage: 'ubuntu-18.04'
   
   strategy:
     matrix:
-      Clang-9 Debug:
+      64-bit Clang-9 Debug:
         CC: clang-9
         CXX: clang++-9
         BuildType: Debug
         SelfHost: false
         CMakeArgs: ''
+        Image: snmallocciteam/build_linux_arm64:latest
 
-      Clang-9 Release:
+      64-bit Clang-9 Release:
         CC: clang-9
         CXX: clang++-9
         BuildType: Release
         SelfHost: false
         CMakeArgs: ''
+        Image: snmallocciteam/build_linux_arm64:latest
+
+      32-bit Clang-9 Debug:
+        CC: clang-9
+        CXX: clang++-9
+        BuildType: Debug
+        SelfHost: false
+        CMakeArgs: ''
+        Image: snmallocciteam/build_linux_armhf:latest
+
+      32-bit Clang-9 Release:
+        CC: clang-9
+        CXX: clang++-9
+        BuildType: Release
+        SelfHost: false
+        CMakeArgs: ''
+        Image: snmallocciteam/build_linux_armhf:latest
   
   steps:
   - script: |
@@ -134,7 +152,7 @@ jobs:
       -e CXX=$(CXX) \
       -e BUILD_TYPE=$(BuildType) \
       -e CMAKE_ARGS=$(CMakeArgs) \
-      snmallocciteam/build_linux_arm64:latest \
+      $(Image) \
       ci/scripts/build.sh
     displayName: 'Build'
 
@@ -142,7 +160,7 @@ jobs:
       sudo docker run -v $PWD:/src \
       -e BUILD_TYPE=$(BuildType) \
       -e SELF_HOST=$(SelfHost) \
-      snmallocciteam/build_linux_arm64:latest \
+      $(Image) \
       ci/scripts/test.sh
     displayName: 'Test'
 

ci/linux_armhf

@@ -0,0 +1,7 @@
+FROM multiarch/ubuntu-core:armhf-bionic
+
+WORKDIR /src
+
+RUN apt update \
+    && apt install --no-install-recommends -y ninja-build clang++-9 cmake \
+    && apt -y clean