交叉编译gstreamer1.20.2

#!/bin/bash
if [ -d arm_build ];then
rm -r arm_build
fi
mkdir arm_build
arch='arm-cortex_a9-linux-gnueabi-' #根据实际情况
sys_root=/opt/arm-cortex_a9/arm-cortex_a9-linux-gnueabi/sysroot/ #根据实际情况
echo "[constants]" > cross_file.txt
echo "arch = '${arch}'" >> cross_file.txt
echo "[binaries]" >> cross_file.txt
echo "c = arch + 'gcc'" >> cross_file.txt
echo "cpp = arch + 'g++'" >> cross_file.txt
echo "ar = arch + 'ar'" >> cross_file.txt
echo "ld = arch + 'ld'" >> cross_file.txt
echo "strip = arch + 'strip'" >> cross_file.txt
echo "sys_root = '${sys_root}'" >> cross_file.txt
echo "pkg_config_libdir = '${sys_root}/usr/lib/pkgconfig'" >> cross_file.txt
echo "pkgconfig = 'pkg-config'" >> cross_file.txt
echo "[host_machine]" >> cross_file.txt
echo "system = 'linux'" >> cross_file.txt
echo "cpu_family = 'arm'" >> cross_file.txt
echo "cpu = 'armv7a'" >> cross_file.txt #根据实际情况
echo "endian = 'little'" >> cross_file.txt

#类似于configure功能 meson configure 获取到可配置项
echo "[project options]" >> cross_file.txt
echo "prefix = '/usr'" >> cross_file.txt 
echo "pkg_config_libdir='/opt/rootfs/xpylib/glib2.72.1/usr:/opt/rootfs/xpylib/ffi/lib/pkgconfig'"#其中这一项加了好像没起作用/usr:/opt/rootfs/xpylib/ffi/lib/pkgconfig，还是报错 undefined reference to `ffi_type_sint32@LIBFFI_BASE_8.0，把libffi的库问价拷贝到glib目录中中，编译成功。还没测试效果
#类似于执行configure
meson setup arm_build --cross-file cross_file.txt
cd arm_build
#编译 类似于make
ninja -C arm_build
DESTDIR=/opt/rootfs/xpylib/gstreamer1.20.2 meson install #根据实际情