Move mingw tests from appveyor to github actions (#2838)

.github/workflows/dev-long-tests.yml

@@ -150,6 +150,59 @@ jobs:
         make clean
         make -C tests test-fuzzer-stackmode
 
+  mingw-long-test:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include: [
+          { compiler: clang, platform: x64, action: build, script: "MOREFLAGS='--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion -Wno-unused-command-line-argument -Wno-implicit-int-float-conversion' make -j allzstd V=1"},
+          { compiler: gcc, platform: x64, action: test, script: ""},
+        ]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Mingw long test
+      run: |
+        $env:PATH_ORIGINAL = $env:PATH
+        $env:PATH_MINGW32 = "C:\msys64\mingw32\bin"
+        $env:PATH_MINGW64 = "C:\msys64\mingw64\bin"
+        COPY C:\msys64\usr\bin\make.exe C:\msys64\mingw32\bin\make.exe
+        COPY C:\msys64\usr\bin\make.exe C:\msys64\mingw64\bin\make.exe
+        IF ("${{matrix.platform}}" -eq "x64")
+        {
+            $env:PATH = $env:PATH_MINGW64 + ";" + $env:PATH_ORIGINAL
+        }
+        ELSEIF ("${{matrix.platform}}" -eq "x86")
+        {
+            $env:PATH = $env:PATH_MINGW32 + ";" + $env:PATH_ORIGINAL
+        }
+        IF ("${{matrix.action}}" -eq "build")
+        {
+          make -v
+          sh -c "${{matrix.compiler}} -v"
+          ECHO "Building zlib to static link"
+          $env:CC = "${{matrix.compiler}}"
+          sh -c "cd .. && git clone --depth 1 --branch v1.2.11 https://github.com/madler/zlib"
+          sh -c "cd ../zlib && make -f win32/Makefile.gcc libz.a"
+          ECHO "Building zstd"
+          $env:CPPFLAGS = "-I../../zlib"
+          $env:LDFLAGS = "../../zlib/libz.a"
+          sh -c "${{matrix.script}}"
+        }
+        ELSEIF ("${{matrix.action}}" -eq "test")
+        {
+            ECHO "Testing ${{matrix.compiler}} ${{matrix.platform}}"
+            $env:CC = "gcc"
+            $env:CXX = "g++"
+            MKDIR build\cmake\build
+            CD build\cmake\build
+            $env:FUZZERTEST = "-T2mn"
+            $env:ZSTREAM_TESTTIME = "-T2mn"
+            cmake -G "Visual Studio 14 2015 Win64" ..
+            cd ..\..\..
+            make clean
+        }
+
   # lasts ~20mn
   oss-fuzz:
     runs-on: ubuntu-latest

.github/workflows/dev-short-tests.yml

@@ -296,6 +296,42 @@ jobs:
       run: |
         LDFLAGS="-static" CC=$XCC QEMU_SYS=$XEMU make clean check
 
+  mingw-short-test:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include: [
+          { compiler: gcc, platform: x64, script: "CFLAGS=-Werror make -j allzstd DEBUGLEVEL=2"},
+          { compiler: gcc, platform: x86, script: "CFLAGS=-Werror make -j allzstd"},
+          { compiler: clang, platform: x64, script: "CFLAGS='--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion' make -j allzstd V=1"},
+        ]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Mingw short test
+      run: |
+        ECHO "Building ${{matrix.compiler}} ${{matrix.platform}}"
+        $env:PATH_ORIGINAL = $env:PATH
+        $env:PATH_MINGW32 = "C:\msys64\mingw32\bin"
+        $env:PATH_MINGW64 = "C:\msys64\mingw64\bin"
+        COPY C:\msys64\usr\bin\make.exe C:\msys64\mingw32\bin\make.exe
+        COPY C:\msys64\usr\bin\make.exe C:\msys64\mingw64\bin\make.exe
+        IF ("${{matrix.platform}}" -eq "x64")
+        {
+            $env:PATH = $env:PATH_MINGW64 + ";" + $env:PATH_ORIGINAL
+        }
+        ELSEIF ("${{matrix.platform}}" -eq "x86")
+        {
+            $env:PATH = $env:PATH_MINGW32 + ";" + $env:PATH_ORIGINAL
+        }
+        make -v
+        sh -c "${{matrix.compiler}} -v"
+        $env:CC = "${{matrix.compiler}}"
+        sh -c "${{matrix.script}}"
+        ECHO "Testing ${{matrix.compiler}} ${{matrix.platform}}"
+        make clean
+        make check
+
 # This test currently fails on Github Actions specifically.
 # Possible reason : TTY emulation.
 # Note that the same test works fine locally and on travisCI.

appveyor.yml

@@ -23,17 +23,6 @@
       SCRIPT:   "make allzstd MOREFLAGS=-static"
       ARTIFACT: "true"
       BUILD:    "true"
-    - COMPILER: "clang"
-      HOST:     "mingw"
-      PLATFORM: "x64"
-      SCRIPT:   "MOREFLAGS='--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion' make -j allzstd V=1"
-      BUILD:    "true"
-
-    - COMPILER: "gcc"
-      HOST:     "mingw"
-      PLATFORM: "x64"
-      SCRIPT:   ""
-      TEST:     "cmake"
 
     - COMPILER: "visual"
       HOST:     "visual"
@@ -201,18 +190,6 @@
     - COMPILER: "gcc"
       HOST:     "cygwin"
       PLATFORM: "x64"
-    - COMPILER: "gcc"
-      HOST:     "mingw"
-      PLATFORM: "x64"
-      SCRIPT:   "CFLAGS=-Werror make -j allzstd DEBUGLEVEL=2"
-    - COMPILER: "gcc"
-      HOST:     "mingw"
-      PLATFORM: "x86"
-      SCRIPT:   "CFLAGS=-Werror make -j allzstd"
-    - COMPILER: "clang"
-      HOST:     "mingw"
-      PLATFORM: "x64"
-      SCRIPT:   "CFLAGS='--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion' make -j allzstd V=1"
 
     - COMPILER: "clang-cl"
       HOST:     "cmake-visual"
@@ -233,12 +210,6 @@
         cmake,^
         make
     )
-  - if [%HOST%]==[mingw] (
-      SET "PATH_MINGW32=C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32\bin" &&
-      SET "PATH_MINGW64=C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin" &&
-      COPY C:\msys64\usr\bin\make.exe C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32\bin\make.exe &&
-      COPY C:\msys64\usr\bin\make.exe C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin\make.exe
-    )
 
   build_script:
   - ECHO Building %COMPILER% %PLATFORM% %CONFIGURATION%
@@ -253,17 +224,6 @@
         ctest -V -L Medium;
       "
     )
-  - if [%HOST%]==[mingw] (
-      ( if [%PLATFORM%]==[x64] (
-        SET "PATH=%PATH_MINGW64%;%PATH_ORIGINAL%"
-      ) else if [%PLATFORM%]==[x86] (
-        SET "PATH=%PATH_MINGW32%;%PATH_ORIGINAL%"
-      ) ) &&
-      make -v &&
-      sh -c "%COMPILER% -v" &&
-      set "CC=%COMPILER%" &&
-      sh -c "%SCRIPT%"
-    )
   - if [%HOST%]==[cmake-visual] (
       ECHO *** &&
       ECHO *** Building %CMAKE_GENERATOR% ^(%CMAKE_GENERATOR_TOOLSET%^) %PLATFORM%\%CONFIGURATION% &&
@@ -281,4 +241,4 @@
       set "CC=%COMPILER%" &&
       make clean &&
       make check
-    )
+    )

lib/compress/zstd_compress_superblock.c

@@ -132,6 +132,7 @@ static size_t ZSTD_seqDecompressedSize(seqStore_t const* seqStore, const seqDef*
     const seqDef* sp = sstart;
     size_t matchLengthSum = 0;
     size_t litLengthSum = 0;
+    (void)(litLengthSum); /* suppress unused variable warning on some environments */
     while (send-sp > 0) {
         ZSTD_sequenceLength const seqLen = ZSTD_getSequenceLength(seqStore, sp);
         litLengthSum += seqLen.litLength;