Make dynamic MinGW build copy DLLs instead of trying to manipulate PATH

.travis.yml

@@ -66,21 +66,17 @@ matrix:
    before_script:
     - ./configure --install-deps --source-deps-only --disable-lz4-ext --prefix="$PWD/dest" --enable-static --enable-strip
 
-# - name: "Windows MinGW-w64 Dynamic"
-#   # Disable for now because msys2 libstdc++ is not compiled with gcc 11,
-#   # while gcc 11 is used for building librdkafka, and gcc 11 brings in
-#   # a new _ZSt28__throw_bad_array_new_lengthv symbol that won't be found
-#   # when trying to run the resulting binary since it using the older libstdc++.
-#   if: tag IS PRESENT
-#   os: windows
-#   env:
-#    - LINKAGE=std
-#    - SKIP_MAKE=y
-#   before_install:
-#    - source ./packaging/mingw-w64/travis-before-install.sh
-#   before_script:
-#    - ./packaging/mingw-w64/configure-build-msys2-mingw.sh
-#
+ - name: "Windows MinGW-w64 Dynamic"
+   if: tag IS PRESENT
+   os: windows
+   env:
+    - LINKAGE=std
+    - SKIP_MAKE=y
+   before_install:
+    - source ./packaging/mingw-w64/travis-before-install.sh
+   before_script:
+    - ./packaging/mingw-w64/configure-build-msys2-mingw.sh
+
  - name: "Windows MinGW-w64 Static"
    os: windows
    env:

packaging/mingw-w64/configure-build-msys2-mingw.sh

@@ -19,6 +19,7 @@ cmake \
 $mingw64 mingw32-make
 $mingw64 mingw32-make install
 
-export PATH="$PWD/dest/bin:/mingw64/bin/:${PATH}"
 cd tests
+cp ../dest/bin/librdkafka.dll ./
+cp ../dest/bin/librdkafka++.dll ./
 ./test-runner.exe -l -Q -p1 0000