fix Dockerfile.zefie, add docker.sh helper

Dockerfile.zefie

@@ -159,10 +159,10 @@ RUN wget "https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL
 
 # --- ncurses ---
 ENV NCURSES_VERSION=6.6
-RUN wget "https://ftp.gnu.org/gnu/ncurses/ncurses-${NCURSES_VERSION}.tar.gz" -O "ncurses-${NCURSES_VERSION}.tar.gz" && \
-    tar -zxf "ncurses-${NCURSES_VERSION}.tar.gz" && \
-    rm -f "ncurses-${NCURSES_VERSION}.tar.gz" && \
+ENV NCURSES_SNAPSHOT_COMMIT=26ceb3cbd343d2e503ca21d90077143a12727c22
+RUN git clone --depth=1 --revision "${NCURSES_SNAPSHOT_COMMIT}" "https://github.com/ThomasDickey/ncurses-snapshots.git" "ncurses-${NCURSES_VERSION}" && \
     cd "ncurses-${NCURSES_VERSION}" && \
+    sed -i '1i #include <wchar.h>' ncurses/build.priv.h && \
     ${TOOLCHAIN_PREFIX}/wrapper.sh \
         --with-fallbacks=ansi,xterm,xterm-256color \
         --disable-database \
@@ -294,7 +294,7 @@ RUN wget "https://downloads.xiph.org/releases/vorbis/libvorbis-${LIBVORBIS_VERSI
     tar -Jxf "libvorbis-${LIBVORBIS_VERSION}.tar.xz" && \
     rm -f "libvorbis-${LIBVORBIS_VERSION}.tar.xz" && \
     cd "libvorbis-${LIBVORBIS_VERSION}" && \
-    ${TOOLCHAIN_PREFIX}/wrapper.sh --cmake -DBUILD_SHARED_LIBS=OFF && \
+    ${TOOLCHAIN_PREFIX}/wrapper.sh --cmake -DBUILD_SHARED_LIBS=OFF -DCMAKE_POLICY_VERSION_MINIMUM=3.5 && \
     cd /src && \
     rm -rf "libvorbis-${LIBVORBIS_VERSION}" build-libvorbis && \
     for f in $TARGET_TRIPLETS; do rm -rf "${TOOLCHAIN_PREFIX}/${f}/share/"{doc,man,info,examples}; done
@@ -381,6 +381,7 @@ RUN wget "https://github.com/libsndfile/libsndfile/releases/download/${LIBSNDFIL
         -DBUILD_TESTING=OFF \
         -DBUILD_PROGRAMS=OFF \
         -DBUILD_EXAMPLES=OFF \
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
         -DCMAKE_C_FLAGS="-DFLAC__NO_DLL=1" && \
     cd /src && \
     rm -rf "libsndfile-${LIBSNDFILE_VERSION}" build-sndfile && \
@@ -396,6 +397,7 @@ RUN wget "https://github.com/libsndfile/libsamplerate/releases/download/${LIBSAM
         -DBUILD_SHARED_LIBS=OFF \
         -DBUILD_TESTING=OFF \
         -DLIBSAMPLERATE_EXAMPLES=OFF \
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
         -DCMAKE_C_FLAGS="-DFLAC__NO_DLL=1" && \
     cd /src && \
     rm -rf "libsamplerate-${LIBSAMPLERATE_VERSION}" build-samplerate && \
@@ -473,4 +475,4 @@ RUN wget "https://sourceforge.net/projects/freeglut/files/freeglut/${FREEGLUT_VE
 
 USER ubuntu
 WORKDIR /src
-CMD ["/bin/bash"]
+CMD ["/bin/bash"]