Merge branch 'maint-0.3.4' into maint-0.3.5

     #

     # Use pacman --debug to show package downloads and install locations

     #>

    Execute-Command "C:\msys64\usr\bin\pacman" -Sy --verbose --needed --noconfirm ${env:mingw_prefix}-libevent ${env:mingw_prefix}-openssl ${env:mingw_prefix}-pkg-config ${env:mingw_prefix}-xz ${env:mingw_prefix}-zstd ;

    Execute-Command "C:\msys64\usr\bin\pacman" -Sy --verbose --needed --noconfirm ${env:mingw_prefix}-libevent ${env:mingw_prefix}-pkg-config ${env:mingw_prefix}-xz ${env:mingw_prefix}-zstd ;

build_script:

- ps: >-

             # mingw zstd doesn't come with a pkg-config file, so we manually

             # configure its flags. liblzma just works.

             #>

            Execute-Bash "ZSTD_CFLAGS='-L/${env:compiler_path}/include' ZSTD_LIBS='-L/${env:compiler_path}/lib -lzstd' ../configure --prefix=/${env:compiler_path} --build=${env:target} --host=${env:target} --disable-asciidoc --enable-fatal-warnings ${env:hardening}"

            Execute-Bash "ZSTD_CFLAGS='-L/${env:compiler_path}/include' ZSTD_LIBS='-L/${env:compiler_path}/lib -lzstd' ../configure --prefix=/${env:compiler_path} --build=${env:target} --host=${env:target} --with-openssl-dir=/${env:compiler_path} --disable-asciidoc --enable-fatal-warnings ${env:hardening}"

            Execute-Bash "V=1 make -j2"

            Execute-Bash "V=1 make -j2 install"

     }

  o Minor bugfixes (continuous integration, Windows):

    - Explicitly specify the path to the OpenSSL library and do not download

      OpenSSL from Pacman, but instead use the library that is already provided

      by AppVeyor. Fixes bug 28574; bugfix on master.