Remove libssh2 build for macos

Author: eddymoulton

build.libgit2.sh

@@ -8,8 +8,6 @@ OS=`uname`
 ARCH=`uname -m`
 PACKAGEPATH="nuget.package/runtimes"
 OSXARCHITECTURE=$ARCH
-LIBSSH2_VERSION="1.11.1"
-LIBSSH2_SHA256="d9ec76cbe34db98eec3539fe2c899d26b0c837cb3eb466a56b0f109cabf658f7"
 
 EXTRA_CMAKE_FLAGS=""
 
@@ -20,32 +18,6 @@ if [[ $OS == "Darwin" ]]; then
     elif [[ $RID == "osx-x64" ]]; then
         OSXARCHITECTURE="x86_64"
     fi
-
-    # Build libssh2 from source with SecureTransport backend
-    echo "Building libssh2 ${LIBSSH2_VERSION} from source with SecureTransport..."
-    LIBSSH2_SRC="libssh2-${LIBSSH2_VERSION}"
-    if [[ ! -d "$LIBSSH2_SRC" ]]; then
-        curl -L -o libssh2.tar.gz \
-            "https://github.com/libssh2/libssh2/releases/download/libssh2-${LIBSSH2_VERSION}/libssh2-${LIBSSH2_VERSION}.tar.gz"
-        echo "${LIBSSH2_SHA256} libssh2.tar.gz" | shasum -a 256 --check
-        tar xzf libssh2.tar.gz
-    fi
-    LIBSSH2_INSTALL="$PWD/libssh2-install"
-    rm -rf "$LIBSSH2_SRC/build-dir" "$LIBSSH2_INSTALL"
-    mkdir -p "$LIBSSH2_SRC/build-dir"
-    pushd "$LIBSSH2_SRC/build-dir"
-    cmake -DCMAKE_BUILD_TYPE=Release \
-          -DCRYPTO_BACKEND=SecureTransport \
-          -DBUILD_SHARED_LIBS=ON \
-          -DBUILD_EXAMPLES=OFF \
-          -DBUILD_TESTING=OFF \
-          -DCMAKE_OSX_ARCHITECTURES=$OSXARCHITECTURE \
-          -DCMAKE_INSTALL_PREFIX="$LIBSSH2_INSTALL" \
-          ..
-    cmake --build . --target install
-    popd
-
-    EXTRA_CMAKE_FLAGS="-DCMAKE_PREFIX_PATH=$LIBSSH2_INSTALL"
 else
     USEHTTPS="OpenSSL-Dynamic"
 fi
@@ -89,25 +61,7 @@ cp libgit2/build/libgit2-$SHORTSHA.$LIBEXT $PACKAGEPATH/$RID/native
 LIBGIT2_PATH="$PACKAGEPATH/$RID/native/libgit2-$SHORTSHA.$LIBEXT"
 
 if [[ $OS == "Darwin" ]]; then
-    # Find the libssh2 dylib linked by libgit2
-    LIBSSH2_REF=$(otool -L "$LIBGIT2_PATH" | grep libssh2 | awk '{print $1}')
-    if [[ -z "$LIBSSH2_REF" ]]; then
-        echo "ERROR: libgit2 does not appear to link against libssh2"
-        exit 1
-    fi
-
-    # The reference may be to the install prefix; resolve the actual file
-    LIBSSH2_REALPATH=$(python3 -c "import os; print(os.path.realpath('$LIBSSH2_REF'))")
-    LIBSSH2_BASENAME=$(basename "$LIBSSH2_REALPATH")
-
-    echo "Bundling $LIBSSH2_BASENAME from $LIBSSH2_REALPATH"
-    cp "$LIBSSH2_REALPATH" "$PACKAGEPATH/$RID/native/$LIBSSH2_BASENAME"
-
-    # Rewrite libgit2's reference to use @loader_path
-    install_name_tool -change "$LIBSSH2_REF" "@loader_path/$LIBSSH2_BASENAME" "$LIBGIT2_PATH"
-
-    # Set libssh2's own install name
-    install_name_tool -id "@loader_path/$LIBSSH2_BASENAME" "$PACKAGEPATH/$RID/native/$LIBSSH2_BASENAME"
+    echo "macOS: libssh2 sourced from global installation"
 else
     # Linux: find libssh2 via ldd
     LIBSSH2_PATH=$(ldd "$LIBGIT2_PATH" | grep libssh2 | awk '{print $3}')