1、openssl编译
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版本：openssl-1.0.2g
一定要选对Qt版本对应的openssl版本，由于开始选的openssl版本不对，导致编译Qt时出现很多错误。 -
交叉编译
./config no-asm shared --prefix=/opt/Xilinx2018_zynq/zynq_openssl_1.0.2/ --cross-compile-prefix=/opt/Xilinx/SDK/2018.3/gnu/aarch32/lin/gcc-arm-linux-gnueabi/bin/arm-linux-gnueabihf-make -j4make install
2、Qt5.7.1编译
1.
首先确保qt源码目录下交叉编译命令生效
cd qt-everywhere-opensource-src-5.7.1
source /opt/Xilinx/SDK/2018.3/settings64.sh2.执行configure，其配置如下：
./configure -xplatform arm-linux-gnueabihf-g++ \-openssl-linked \-I/opt/Xilinx2018_zynq/zynq_openssl_1.0.2/include \-L/opt/Xilinx2018_zynq/zynq_openssl_1.0.2/lib -lssl -lcrypto \-opensource \-confirm-license \-skip qtquickcontrols \-skip qtwebchannel \-skip qtactiveqt \-skip qtandroidextras \-skip qtdeclarative \-skip qtimageformats \-skip qtmacextras \`#-skip qtserialport` \-skip qtx11extras \-skip qtxmlpatterns \-skip qtconnectivity \-skip qtdoc \-skip qtgraphicaleffects \-skip qtlocation \-skip qtmultimedia \-skip qtsensors \-skip qttools \-skip qttranslations \-skip qtwayland \-skip qtwebchannel \-skip qtwebengine \`#-skip qtwebsockets` \-skip qtwinextras \-verbose \`#-no-gif` \`#-no-libjpeg` \-qt-libjpeg \-qt-libpng \-no-mtdev \-no-sql-db2 \-no-sql-ibase \-no-sql-mysql \-no-xcb \-qt-freetype \-fontconfig \-no-harfbuzz \-no-xinput2 \-no-xcb-xlib \-no-pulseaudio \-no-alsa \-no-cups \-no-iconv \-no-icu \-no-eglfs \-no-dbus \-prefix $ZYNQ_QT_INSTALL
3. make
3、更新库
将新生成的libQt5NetWork、libQt5WebSocket相关的库文件替换；然后再把openssl相关的库libssl、libcrypto放在目标板下
