Merge tag 'v1.34.0' into weka-master

v1.34.0 (2.104.2)

.circleci/config.yml

@@ -18,27 +18,21 @@ commonSteps: &commonSteps
             fi
             apt-get -q update
             apt-get -yq install \
-              git-core cmake ninja-build $gcc_pkg \
+              git-core $gcc_pkg \
               zlib1g-dev $libcurl_pkg curl gdb python3 python3-pip tzdata unzip zip \
               $EXTRA_APT_PACKAGES
-          else
             # Download & extract CMake
-            curl -fL --retry 3 --max-time 300 -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.20.3/cmake-3.20.3-macos-universal.tar.gz
+            curl -fL --retry 3 --max-time 300 -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.27.1/cmake-3.27.1-linux-x86_64.tar.gz
             mkdir cmake
-            tar -xf cmake.tar.gz --strip 3 -C cmake
+            tar -xf cmake.tar.gz --strip 1 -C cmake
             rm cmake.tar.gz
             # Download & extract Ninja
-            curl -fL --retry 3 --max-time 60 -O https://github.com/ninja-build/ninja/releases/download/v1.10.2/ninja-mac.zip
+            curl -fL --retry 3 --max-time 60 -O https://github.com/symmetryinvestments/ninja/releases/download/v1.11.1-sym1/ninja-linux.zip
             mkdir ninja
-            tar -xf ninja-mac.zip -C ninja
-            rm ninja-mac.zip
-            # Download & extract LDC-flavoured LLVM with enabled assertions
-            curl -fL --retry 3 --max-time 300 -o llvm.tar.xz https://github.com/ldc-developers/llvm-project/releases/download/ldc-v$LLVM_VERSION/llvm-$LLVM_VERSION-osx-x86_64-withAsserts.tar.xz
-            mkdir llvm
-            tar -xf llvm.tar.xz --strip 1 -C llvm
-            rm llvm.tar.xz
-            # Add CMake, Ninja and LLVM to PATH for future steps
-            echo "export PATH=$PWD/cmake/bin:$PWD/ninja:$PWD/llvm/bin:$PATH" >> $BASH_ENV
+            unzip ninja-linux.zip -d ninja
+            rm ninja-linux.zip
+            # Add CMake and Ninja to PATH for future steps
+            echo "export PATH=$PWD/cmake/bin:$PWD/ninja:$PATH" >> $BASH_ENV
           fi
           # Install lit
           python3 --version
@@ -68,12 +62,7 @@ commonSteps: &commonSteps
             -DD_COMPILER=$PWD/../host-ldc/bin/ldmd2 \
             -DLDC_LINK_MANUALLY=OFF \
             $EXTRA_CMAKE_FLAGS
-          # Work around out-of-memory errors - retry once with parallelization and one last time serially
-          targets='all ldc2-unittest all-test-runners'
-          for i in {1..2}; do
-            ninja -j$PARALLELISM -k0 $targets && break || true
-          done
-          ninja -j1 $targets
+          ninja -j$PARALLELISM obj/ldc2.o all ldc2-unittest all-test-runners
           bin/ldc2 -version
     - run:
         name: Run LDC D unittests
@@ -104,50 +93,28 @@ jobs:
     <<: *commonSteps
     docker:
       - image: ubuntu:20.04
+    resource_class: large
     environment:
-      - PARALLELISM: 2
+      - PARALLELISM: 4
       - CI_OS: linux
-      - EXTRA_APT_PACKAGES: llvm-dev libclang-common-10-dev
+      - EXTRA_APT_PACKAGES: llvm-11-dev libclang-common-11-dev
       - HOST_LDC_VERSION: 1.24.0
       - EXTRA_CMAKE_FLAGS: "-DMULTILIB=ON -DRT_SUPPORT_SANITIZERS=ON -DBUILD_LTO_LIBS=ON"
   Ubuntu-20.04-sharedLibsOnly-gdmd:
     <<: *commonSteps
     docker:
       - image: ubuntu:20.04
+    resource_class: large
     environment:
-      - PARALLELISM: 2
+      - PARALLELISM: 4
       - CI_OS: linux
-      - EXTRA_APT_PACKAGES: gdmd llvm-dev libclang-common-10-dev
+      - EXTRA_APT_PACKAGES: gdmd llvm-11-dev libclang-common-11-dev
       - HOST_LDC_VERSION: 1.24.0
       - EXTRA_CMAKE_FLAGS: "-DBUILD_SHARED_LIBS=ON -DBUILD_LTO_LIBS=ON -DD_COMPILER=gdmd -DLDC_LINK_MANUALLY=ON"
-  macOS-x64:
-    <<: *commonSteps
-    macos:
-      xcode: "13.2.1"
-    environment:
-      - PARALLELISM: 4
-      - CI_OS: osx
-      - LLVM_VERSION: 15.0.7
-      - HOST_LDC_VERSION: 1.24.0
-      - EXTRA_CMAKE_FLAGS: "-DD_COMPILER_FLAGS=-gcc=/usr/bin/c++ -DBUILD_LTO_LIBS=ON"
-      - MACOSX_DEPLOYMENT_TARGET: 11.0 # silence `ld: warning: object file (…/libphobos2-ldc.a(adler32.c.o)) was built for newer macOS version (11.6) than being linked (11.0)`
-  macOS-x64-sharedLibsOnly:
-    <<: *commonSteps
-    macos:
-      xcode: "13.2.1"
-    environment:
-      - PARALLELISM: 4
-      - CI_OS: osx
-      - LLVM_VERSION: 15.0.7
-      - HOST_LDC_VERSION: 1.24.0
-      - EXTRA_CMAKE_FLAGS: "-DD_COMPILER_FLAGS=-gcc=/usr/bin/c++ -DBUILD_SHARED_LIBS=ON -DBUILD_LTO_LIBS=ON"
-      - MACOSX_DEPLOYMENT_TARGET: 11.0
 
 workflows:
   version: 2
   build:
     jobs:
       - Ubuntu-20.04-multilib-rtSanitizers
       - Ubuntu-20.04-sharedLibsOnly-gdmd
-      - macOS-x64
-      - macOS-x64-sharedLibsOnly

.cirrus.yml

@@ -27,7 +27,7 @@ common_steps_template: &COMMON_STEPS_TEMPLATE
       -DINCLUDE_INSTALL_DIR=$installDir/import \
       -DLDC_LINK_MANUALLY=OFF \
       "${extraFlags[@]}"
-    ninja -j$PARALLELISM all ldc2-unittest all-test-runners
+    ninja -j$PARALLELISM obj/ldc2.o all ldc2-unittest all-test-runners
     bin/ldc2 -version
   always:
     run_compiler_unittests_script: |
@@ -65,6 +65,12 @@ common_steps_template: &COMMON_STEPS_TEMPLATE
         excludes+='|^std.math.exponential(-shared)?$'
         # FIXME: failure
         excludes+='|^druntime-test-exceptions-debug$'
+        # std.path unittests apparently need HOME, which happens not to be set
+        export HOME=~
+        echo "Setting HOME to '$HOME'"
+      elif [[ "$CI_OS-$CI_ARCH" == "osx-arm64" ]]; then
+        # FIXME: sporadic segfaults/bus errors with enabled optimizations
+        excludes+='|^core.thread.fiber(-shared)?$'
       fi
       ctest -j$PARALLELISM --output-on-failure -E "$excludes"
 
@@ -184,10 +190,22 @@ install_ubuntu_prerequisites_template: &INSTALL_UBUNTU_PREREQUISITES_TEMPLATE
     fi
     apt-get -q update
     apt-get -yq install \
-      git-core cmake ninja-build $gcc_pkg \
+      git-core ninja-build $gcc_pkg \
       zlib1g-dev $libcurl_pkg curl gdb python3 python3-pip tzdata unzip zip \
       $EXTRA_APT_PACKAGES
     python3 --version
+    # Download & extract CMake
+    curl -fL --retry 3 --max-time 300 -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.27.1/cmake-3.27.1-linux-$CI_ARCH.tar.gz
+    mkdir cmake
+    tar -xf cmake.tar.gz --strip 1 -C cmake
+    rm cmake.tar.gz
+    # Download & extract custom Ninja on x86_64
+    if [[ "$CI_ARCH" == "x86_64" ]]; then
+      curl -fL --retry 3 --max-time 60 -O https://github.com/symmetryinvestments/ninja/releases/download/v1.11.1-sym1/ninja-linux.zip
+      mkdir ninja
+      unzip ninja-linux.zip -d ninja
+      rm ninja-linux.zip
+    fi
     # Download & extract host LDC
     curl -fL --retry 3 --max-time 300 -o ldc2.tar.xz https://github.com/ldc-developers/ldc/releases/download/v$HOST_LDC_VERSION/ldc2-$HOST_LDC_VERSION-linux-$CI_ARCH.tar.xz
     mkdir host-ldc
@@ -201,12 +219,12 @@ install_macos_prerequisites_template: &INSTALL_MACOS_PREREQUISITES_TEMPLATE
     cd $CIRRUS_WORKING_DIR/..
     sysctl -n hw.logicalcpu
     # Download & extract CMake
-    curl -fL --retry 3 --max-time 300 -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.20.3/cmake-3.20.3-macos-universal.tar.gz
+    curl -fL --retry 3 --max-time 300 -o cmake.tar.gz https://github.com/Kitware/CMake/releases/download/v3.27.1/cmake-3.27.1-macos-universal.tar.gz
     mkdir cmake
     tar -xf cmake.tar.gz --strip 3 -C cmake
     rm cmake.tar.gz
     # Download & extract Ninja
-    curl -fL --retry 3 --max-time 60 -O https://github.com/ninja-build/ninja/releases/download/v1.10.2/ninja-mac.zip
+    curl -fL --retry 3 --max-time 60 -O https://github.com/symmetryinvestments/ninja/releases/download/v1.11.1-sym1/ninja-mac.zip
     mkdir ninja
     tar -xf ninja-mac.zip -C ninja
     rm ninja-mac.zip
@@ -231,25 +249,9 @@ install_macos_prerequisites_template: &INSTALL_MACOS_PREREQUISITES_TEMPLATE
 environment:
   CIRRUS_CLONE_DEPTH: 50
   HOST_LDC_VERSION: 1.31.0
-  LLVM_VERSION: 15.0.7
+  LLVM_VERSION: 16.0.6
   GITHUB_TOKEN: ENCRYPTED[0955bd48c8d4e5391446fc0149d0719ad0b63df27ec9e6c180a5730a5b10dc7f28f09d1383423db158d21380ee2b022a]
 
-task:
-  name: Ubuntu 20.04 x64 multilib rtSanitizers
-  container:
-    image: ubuntu:20.04
-    cpu: 8
-    memory: 16G
-  timeout_in: 20m
-  environment:
-    CI_ARCH: x86_64
-    CI_OS: linux
-    EXTRA_APT_PACKAGES: "llvm-dev libclang-common-10-dev"
-    EXTRA_CMAKE_FLAGS: "-DMULTILIB=ON -DRT_SUPPORT_SANITIZERS=ON -DBUILD_LTO_LIBS=ON"
-    PARALLELISM: 8
-  << : *INSTALL_UBUNTU_PREREQUISITES_TEMPLATE
-  << : *COMMON_STEPS_TEMPLATE
-
 task:
   name: Ubuntu rolling x64 shared-libs-only gdmd
   # allow failures - gdb v10 came with regressions
@@ -265,28 +267,12 @@ task:
     EXTRA_APT_PACKAGES: "gdmd llvm-dev libclang-common-15-dev"
     EXTRA_CMAKE_FLAGS: "-DBUILD_SHARED_LIBS=ON -DBUILD_LTO_LIBS=ON -DD_COMPILER=gdmd -DLDC_LINK_MANUALLY=ON"
     PARALLELISM: 8
+    PATH: ${CIRRUS_WORKING_DIR}/../cmake/bin:${CIRRUS_WORKING_DIR}/../ninja:${PATH}
     # for gdmd:
     LANG: C.UTF-8
   << : *INSTALL_UBUNTU_PREREQUISITES_TEMPLATE
   << : *COMMON_STEPS_TEMPLATE
 
-task:
-  name: Ubuntu 20.04 x64 bootstrap
-  container:
-    image: ubuntu:20.04
-    cpu: 8
-    memory: 16G
-  timeout_in: 15m
-  environment:
-    CI_ARCH: x86_64
-    CI_OS: linux
-    HOST_LDC_VERSION: 1.9.0
-    EXTRA_APT_PACKAGES: "llvm-dev libclang-common-10-dev"
-    EXTRA_CMAKE_FLAGS: "-DBUILD_LTO_LIBS=ON"
-    PARALLELISM: 8
-  << : *INSTALL_UBUNTU_PREREQUISITES_TEMPLATE
-  << : *COMMON_STEPS_TEMPLATE
-
 task:
   name: macOS 12 $TASK_NAME_SUFFIX
   macos_instance:
@@ -318,10 +304,14 @@ task:
 
 task:
   name: Ubuntu 20.04 aarch64
-  arm_container:
-    image: ubuntu:20.04
+  compute_engine_instance:
+    image_project: ubuntu-os-cloud
+    image: family/ubuntu-2004-lts-arm64
+    platform: linux
+    architecture: arm64
     cpu: 4
     memory: 8G
+    disk: 20
   timeout_in: 60m
   environment:
     CI_ARCH: aarch64
@@ -337,6 +327,7 @@ task:
       -DLLVM_ROOT_DIR=$CIRRUS_WORKING_DIR/../llvm
       -DD_COMPILER=$CIRRUS_WORKING_DIR/../bootstrap-ldc/bin/ldmd2
     PARALLELISM: 4
+    PATH: ${CIRRUS_WORKING_DIR}/../cmake/bin:${PATH}
     CLANG_VERSION: '15.0.3' # 15.0.6 requires a more recent libstdc++.so.6 than shipped with Ubuntu 20
     CC: $CIRRUS_WORKING_DIR/../clang/bin/clang
     CXX: $CIRRUS_WORKING_DIR/../clang/bin/clang++
@@ -380,7 +371,7 @@ task:
       -DD_COMPILER=$PWD/../host-ldc/bin/ldmd2 \
       -DBUILD_SHARED_LIBS=OFF \
       -DBUILD_LTO_LIBS=ON
-    ninja -j$PARALLELISM
+    ninja -j$PARALLELISM obj/ldc2.o all
     bin/ldc2 -version
   << : *COMMON_STEPS_TEMPLATE
   << : *PACKAGING_STEPS_TEMPLATE

.github/actions/1-setup/action.yml

@@ -99,11 +99,11 @@ runs:
       shell: bash
       run: |
         set -eux
-        sudo ln -sf "$(dirname "$PWD")/clang/bin/ld.lld" /usr/bin/ld
+        sudo ln -sf "$(dirname "$PWD")/llvm/bin/ld.lld" /usr/bin/ld
         ld --version
 
     - name: Install ninja
-      uses: seanmiddleditch/gha-setup-ninja@v3
+      uses: symmetryinvestments/gha-setup-ninja@v1
 
     - name: Install D host compiler
       uses: dlang-community/setup-dlang@v1

.github/actions/3-build-cross/action.yml

@@ -145,4 +145,4 @@ runs:
           ${{ inputs.cmake_flags }}
           ${{ inputs.with_pgo == 'true' && '-DDFLAGS_LDC=-fprofile-use=../pgo-ldc/merged.profdata' || '' }}
           ${{ env.CROSS_CMAKE_FLAGS }}
-        build_targets: ldc2 ldmd2 ldc-build-runtime ldc-profdata ldc-prune-cache timetrace2txt
+        build_targets: ldc2 ldmd2 ldc-build-runtime ldc-build-plugin ldc-profdata ldc-prune-cache timetrace2txt

.github/actions/3-build-cross/android-llvm-config.in

@@ -45,36 +45,37 @@ prefix=@LLVM_INSTALL_DIR@
 has_rtti=NO
 CPPFLAGS="-I${prefix}/include -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
 CFLAGS="${CPPFLAGS} ${CFLAGS}"
-CXXFLAGS="${CFLAGS} -std=c++14 -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables"
+CXXFLAGS="${CFLAGS} -std=c++17 -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables"
 if [ "$has_rtti" != "YES" ]; then CXXFLAGS="$CXXFLAGS -fno-rtti"; fi
 LDFLAGS="-L${prefix}/lib"
 LIBFILE="${prefix}/lib/libLLVM-$version.so"
 
 components="aarch64 aarch64asmparser aarch64codegen aarch64desc aarch64disassembler aarch64info aarch64utils \
 aggressiveinstcombine all all-targets analysis arm armasmparser armcodegen armdesc armdisassembler arminfo armutils \
 asmparser asmprinter binaryformat bitreader bitstreamreader bitwriter cfguard codegen core coroutines coverage \
-debuginfocodeview debuginfodwarf debuginfogsym debuginfomsf debuginfopdb demangle dlltooldriver dwarflinker dwp \
-engine executionengine extensions filecheck frontendopenacc frontendopenmp fuzzercli fuzzmutate globalisel instcombine \
-instrumentation interfacestub interpreter ipo irreader jitlink libdriver lineeditor linker lto mc mca mcdisassembler \
+debuginfocodeview debuginfodwarf debuginfogsym debuginfologicalview debuginfomsf debuginfopdb demangle dlltooldriver dwarflinker dwarflinkerparallel dwp \
+engine executionengine extensions filecheck frontendhlsl frontendopenacc frontendopenmp fuzzercli fuzzmutate globalisel instcombine \
+instrumentation interfacestub interpreter ipo irprinter irreader jitlink libdriver lineeditor linker lto mc mca mcdisassembler \
 mcjit mcparser mirparser native nativecodegen objcarcopts objcopy object objectyaml option orcjit orcshared orctargetprocess \
-passes profiledata remarks runtimedyld scalaropts selectiondag support symbolize tablegen target textapi \
+passes profiledata remarks runtimedyld scalaropts selectiondag spirv spirvcodegen spirvdesc spirvinfo support symbolize tablegen target targetparser textapi \
 transformutils vectorize webassembly webassemblyasmparser webassemblycodegen webassemblydesc webassemblydisassembler \
 webassemblyinfo webassemblyutils windowsdriver windowsmanifest x86 x86asmparser x86codegen x86desc x86disassembler x86info \
 x86targetmca xray"
-static_libs="-lLLVMWindowsManifest -lLLVMWindowsDriver -lLLVMXRay -lLLVMLibDriver -lLLVMDlltoolDriver -lLLVMCoverage -lLLVMLineEditor \
+static_libs="-lLLVMWindowsManifest -lLLVMXRay -lLLVMLibDriver -lLLVMDlltoolDriver -lLLVMCoverage -lLLVMLineEditor \
+-lLLVMSPIRVCodeGen -lLLVMSPIRVDesc -lLLVMSPIRVInfo \
 -lLLVMX86TargetMCA -lLLVMX86Disassembler -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMX86Desc -lLLVMX86Info -lLLVMWebAssemblyDisassembler \
 -lLLVMWebAssemblyAsmParser -lLLVMWebAssemblyCodeGen -lLLVMWebAssemblyDesc -lLLVMWebAssemblyUtils -lLLVMWebAssemblyInfo -lLLVMARMDisassembler \
 -lLLVMARMAsmParser -lLLVMARMCodeGen -lLLVMARMDesc -lLLVMARMUtils -lLLVMARMInfo -lLLVMAArch64Disassembler \
 -lLLVMAArch64AsmParser -lLLVMAArch64CodeGen -lLLVMAArch64Desc -lLLVMAArch64Utils -lLLVMAArch64Info -lLLVMOrcJIT \
--lLLVMMCJIT -lLLVMJITLink -lLLVMInterpreter -lLLVMExecutionEngine -lLLVMRuntimeDyld -lLLVMOrcTargetProcess -lLLVMOrcShared \
--lLLVMDWP -lLLVMDebugInfoGSYM -lLLVMOption -lLLVMObjectYAML -lLLVMObjCopy -lLLVMMCA \
--lLLVMMCDisassembler -lLLVMLTO -lLLVMPasses -lLLVMCFGuard -lLLVMCoroutines -lLLVMObjCARCOpts -lLLVMipo \
--lLLVMVectorize -lLLVMLinker -lLLVMInstrumentation -lLLVMFrontendOpenMP -lLLVMFrontendOpenACC -lLLVMExtensions \
--lLLVMDWARFLinker -lLLVMGlobalISel -lLLVMMIRParser -lLLVMAsmPrinter -lLLVMSelectionDAG \
--lLLVMCodeGen -lLLVMIRReader -lLLVMAsmParser -lLLVMInterfaceStub -lLLVMFileCheck -lLLVMFuzzMutate -lLLVMTarget \
+-lLLVMWindowsDriver -lLLVMMCJIT -lLLVMJITLink -lLLVMInterpreter -lLLVMExecutionEngine -lLLVMRuntimeDyld -lLLVMOrcTargetProcess -lLLVMOrcShared \
+-lLLVMDWP -lLLVMDebugInfoLogicalView -lLLVMDebugInfoGSYM -lLLVMOption -lLLVMObjectYAML -lLLVMObjCopy -lLLVMMCA \
+-lLLVMMCDisassembler -lLLVMLTO -lLLVMPasses -lLLVMCFGuard -lLLVMCoroutines -lLLVMipo \
+-lLLVMVectorize -lLLVMLinker -lLLVMInstrumentation -lLLVMFrontendOpenMP -lLLVMFrontendOpenACC -lLLVMFrontendHLSL -lLLVMExtensions \
+-lLLVMDWARFLinkerParallel -lLLVMDWARFLinker -lLLVMGlobalISel -lLLVMMIRParser -lLLVMAsmPrinter -lLLVMSelectionDAG \
+-lLLVMCodeGen -lLLVMObjCARCOpts -lLLVMIRPrinter -lLLVMInterfaceStub -lLLVMFileCheck -lLLVMFuzzMutate -lLLVMTarget \
 -lLLVMScalarOpts -lLLVMInstCombine -lLLVMAggressiveInstCombine -lLLVMTransformUtils -lLLVMBitWriter -lLLVMAnalysis \
--lLLVMProfileData -lLLVMSymbolize -lLLVMDebugInfoPDB -lLLVMDebugInfoMSF -lLLVMDebugInfoDWARF -lLLVMObject -lLLVMTextAPI -lLLVMMCParser -lLLVMMC -lLLVMDebugInfoCodeView \
--lLLVMBitReader -lLLVMFuzzerCLI -lLLVMCore -lLLVMRemarks -lLLVMBitstreamReader -lLLVMBinaryFormat -lLLVMTableGen -lLLVMSupport \
+-lLLVMProfileData -lLLVMSymbolize -lLLVMDebugInfoPDB -lLLVMDebugInfoMSF -lLLVMDebugInfoDWARF -lLLVMObject -lLLVMTextAPI -lLLVMMCParser -lLLVMIRReader -lLLVMAsmParser -lLLVMMC -lLLVMDebugInfoCodeView \
+-lLLVMBitReader -lLLVMFuzzerCLI -lLLVMCore -lLLVMRemarks -lLLVMBitstreamReader -lLLVMBinaryFormat -lLLVMTargetParser -lLLVMTableGen -lLLVMSupport \
 -lLLVMDemangle"
 shared_libs="-lLLVM-$version"
 libs=$static_libs

.github/actions/5-install/action.yml

@@ -22,6 +22,7 @@ runs:
         else
           mkdir -p install/bin
           cp build-cross/bin/{ldc2,ldmd2,ldc-build-runtime,ldc-profdata,ldc-prune-cache,timetrace2txt} install/bin/
+          cp build-cross/bin/ldc-build-plugin install/bin/ || true
           cp -R build-cross-libs/lib install/
           cp build-cross/lib/{libldc_rt.*,libLTO-ldc.dylib,LLVMgold-ldc.so} install/lib/ || true
           mkdir install/etc

.github/actions/5a-ios/action.yml

@@ -41,6 +41,7 @@ runs:
         {
             switches = [
                 \"-defaultlib=phobos2-ldc,druntime-ldc\",
+                \"-func-specialization-size-threshold=1000000000\",
                 \"-Xcc=-target\",
                 \"-Xcc=$triple\",
                 \"-Xcc=-miphoneos-version-min=$deployment_target\",

.github/actions/helper-build-ldc/action.yml

@@ -15,7 +15,7 @@ inputs:
     default: ''
   build_targets:
     required: false
-    default: '' # all
+    default: 'all'
   arch:
     required: false # Windows only
 runs:
@@ -39,7 +39,7 @@ runs:
           ${{ inputs.specify_install_dir == 'true' && '-DINCLUDE_INSTALL_DIR="$installDir/import"' || '' }} \
           ${{ inputs.cmake_flags }}
 
-        ninja ${{ inputs.build_targets }}
+        ninja obj/ldc2.o ${{ inputs.build_targets }}
 
     # Windows: invoke CMake & ninja in MSVC env
     - if: runner.os == 'Windows'
@@ -62,4 +62,4 @@ runs:
           ${{ inputs.cmake_flags }}
         if %errorlevel% neq 0 exit /b %errorlevel%
 
-        ninja ${{ inputs.build_targets }} || exit /b
+        ninja obj/ldc2.obj ${{ inputs.build_targets }} || exit /b