diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 9a53f70..585851e 100755
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -114,7 +114,7 @@ jobs:
         - name: ldc2 build
           shell: cmd
           run: |
-            call vc_init.bat && C:\ldc2\bin\dub.exe build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
+            call vc_init.bat && C:\ldc2\bin\dub.exe build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
 
         - name: Create Windows archive
           run: |
@@ -227,12 +227,12 @@ jobs:
 
         - name: ldc2 build
           run: |
-            /Users/runner/ldc2/bin/dub build --force --combined --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
+            /Users/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
 
         - name: build example
           run: |
             cd './example';
-            /Users/runner/ldc2/bin/dub build --force --combined --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
+            /Users/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
 
         - name: Create OSX archive
           run: |
@@ -351,15 +351,21 @@ jobs:
         - name: checkout
           uses: actions/checkout@v2
 
-        - name: ldc2 build
+        - name: ldc2 betterC-library build
+          if: ${{ (matrix.dub-arch != 'wasm32-unknown-unknown-webassembly') }}
+          run: |
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+
+        - name: ldc2 wasm32 build
+          if: ${{ (matrix.dub-arch == 'wasm32-unknown-unknown-webassembly') }}
           run: |
-            /home/runner/ldc2/bin/dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=wasm32 --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
 
         - name: build example
           if: ${{ (matrix.dub-arch != 'wasm32-unknown-unknown-webassembly') }}
           run: |
             cd './example';
-            /home/runner/ldc2/bin/dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
 
         - name: Create Linux x86_64 archive
           if: ${{ (matrix.dub-arch == 'x86_64') }}
diff --git a/.github/workflows/cross-compiling.yml b/.github/workflows/cross-compiling.yml
index ee1db57..dc97f91 100755
--- a/.github/workflows/cross-compiling.yml
+++ b/.github/workflows/cross-compiling.yml
@@ -129,22 +129,22 @@ jobs:
           if: ${{ (matrix.dub-arch == 'x86') || (matrix.dub-arch == 'x86_mscoff') }}
           shell: cmd
           run: |
-            call vc_init.bat && C:\D\dmd2\windows\bin\dub.exe build --force --combined --arch=x86_mscoff --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe
+            call vc_init.bat && C:\D\dmd2\windows\bin\dub.exe test --force --combined --build-mode=allAtOnce --config=library --arch=x86_mscoff --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe && C:\D\dmd2\windows\bin\dub.exe build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=x86_mscoff --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe
 
         - name: dmd build
           if: ${{ (matrix.dub-arch != 'x86') && (matrix.dub-arch != 'x86_mscoff') }}
           shell: cmd
           run: |
-            call vc_init.bat && C:\D\dmd2\windows\bin\dub.exe build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe
+            call vc_init.bat && C:\D\dmd2\windows\bin\dub.exe test --force --combined --build-mode=allAtOnce --config=library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe && C:\D\dmd2\windows\bin\dub.exe build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe
 
         - name: ldc2 build
           shell: cmd
           run: |
-            call vc_init.bat && C:\ldc2\bin\dub.exe build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
+            call vc_init.bat && C:\ldc2\bin\dub.exe test --force --combined --build-mode=allAtOnce --config=library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe && C:\ldc2\bin\dub.exe build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
 
 #        - name: build example
 #          run: |
-#            call vc_init.bat && cd example && C:\D\dmd2\windows\bin\dub.exe build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe && C:\ldc2\bin\dub.exe build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
+#            call vc_init.bat && cd example && C:\D\dmd2\windows\bin\dub.exe build --force --combined --build-mode=allAtOnce --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\D\dmd2\windows\bin\dmd.exe && C:\ldc2\bin\dub.exe build --force --combined --build-mode=allAtOnce --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=C:\ldc2\bin\ldc2.exe
 
         - name: Upload artifact
           uses: actions/upload-artifact@v2
@@ -259,17 +259,19 @@ jobs:
 
         - name: dmd build
           run: |
-            dub build --force --combined --build=${{ matrix.build-type }};
+            dub test --force --combined --build-mode=allAtOnce --config=library --build=${{ matrix.build-type }};
+            dub build --force --combined --build-mode=allAtOnce --config=betterC-library --build=${{ matrix.build-type }};
 
         - name: ldc2 build
           run: |
-            /Users/runner/ldc2/bin/dub build --force --combined --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
+            /Users/runner/ldc2/bin/dub test --force --combined --build-mode=allAtOnce --config=library --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
+            /Users/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
 
         - name: build example
           run: |
             cd './example';
-            dub build --force --combined --arch=x86_64 --build=${{ matrix.build-type }};
-            /Users/runner/ldc2/bin/dub build --force --combined --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
+            dub build --force --combined --build-mode=allAtOnce --arch=x86_64 --build=${{ matrix.build-type }};
+            /Users/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --arch=x86_64 --build=${{ matrix.build-type }} --compiler=/Users/runner/ldc2/bin/ldc2;
 
         - name: Upload artifact
           uses: actions/upload-artifact@v2
@@ -395,18 +397,20 @@ jobs:
 
         - name: dmd build
           run: |
-            dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }};
+            dub test --force --combined --build-mode=allAtOnce --config=library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }};
+            dub build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }};
 
         - name: ldc2 build
           run: |
-            /home/runner/ldc2/bin/dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
-            /home/runner/ldc2/bin/dub build --force --combined --arch=wasm32-unknown-unknown-webassembly --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            /home/runner/ldc2/bin/dub test --force --combined --build-mode=allAtOnce --config=library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=betterC-library --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --config=wasm32 --arch=wasm32-unknown-unknown-webassembly --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
 
         - name: build example
           run: |
             cd './example';
-            dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }};
-            /home/runner/ldc2/bin/dub build --force --combined --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
+            dub build --force --combined --build-mode=allAtOnce --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }};
+            /home/runner/ldc2/bin/dub build --force --combined --build-mode=allAtOnce --arch=${{ matrix.dub-arch }} --build=${{ matrix.build-type }} --compiler=/home/runner/ldc2/bin/ldc2;
 
         - name: Upload artifact
           uses: actions/upload-artifact@v2