Ensure GitLab CI does clean builds.

lib/bin/build_lib

@@ -2,7 +2,7 @@
 #
 # Your build script should simply source this script, optionally override any build hooks and then invoke `build`.
 # The build product should be available under `build-<platform>~/out`, under the library path.
-# 
+#
 # Hook lifecycle:
 # - build
 #     - initialize
@@ -187,7 +187,7 @@ _target_build() {
 
     if [[ $platform = windows ]]; then
         # I cannot for the life of me figure out how to pass this command directly into cmd.
-        printf '"%%VSINSTALLDIR%%\Common7\Tools\VsMSBuildCmd.bat" && msbuild /t:Rebuild /p:Configuration=Release;Platform=%s;OutDir=%s' "$arch" "$(cygpath -w "${prefix##$PWD/}/$arch/")" > .build.bat
+        printf '"%%VSINSTALLDIR%%\Common7\Tools\VsMSBuildCmd.bat" && msbuild /t:Rebuild /p:Configuration=ReleaseDLL;Platform=%s;OutDir=%s' "$arch" "$(cygpath -w "${prefix##$PWD/}/$arch/")" > .build.bat
         cmd //c .build.bat
         rm -f .build.bat
     else
@@ -280,6 +280,7 @@ _build() {
             'ios') archs=( 'i386' 'x86_64' 'armv7' 'armv7s' 'arm64' ) ;;
             'android') archs=( 'arm' 'arm64' 'x86' 'x86_64' ) ;;
             'windows') archs=( 'Win32' 'x64' ) ;;
+            *) archs=( 'i386' 'x86_64' ) ;;
         esac
     fi
 
@@ -354,4 +355,3 @@ _build() {
 
     finalize "$prefix" "$platform" "${archs[@]}"
 }
-