如何在 Mac 上设置 LD_LIBRARY_PATH/DYLD_LIBRARY_PATH

On macos catalina '''echo $VARIABLE'''

I see the value of the variable but java couldn't read the system variable.

在linux中没有问题，所以我认为这是一个zsh问题。

Java读取所有变量env， 除了LD_LIBRARY_PATH and DYLD_LIBRARY_PATH

如果启用了系统完整性保护 (SIP)，则变量 LD_LIBRARY_PATH / DYLD_LIBRARY_PATH 不会传递到 macOS 上子进程的环境。

确认 ：

#!/bin/zsh

cat << EOF > EnvDemo.java
public class EnvDemo {
   public static void main(String[] args) throws Exception {
      System.out.println(System.getenv("LD_LIBRARY_PATH"));
      System.out.println(System.getenv("DYLD_LIBRARY_PATH"));
      System.out.println(System.getenv("PATH"));
      System.out.println(System.getenv("CUSTOM_FLAG"));
   }
} 
EOF

javac EnvDemo.java
export LD_LIBRARY_PATH=/usr/local/library
export DYLD_LIBRARY_PATH=/usr/local/library
export CUSTOM_FLAG=custom_flag
java EnvDemo
# null
# null
# /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/oracle-19-5
# custom_flag

echo "env | grep LD_LIBRARY_PATH"
env | grep LD_LIBRARY_PATH
# No output here
echo "env | grep DYLD_LIBRARY_PATH"
env | grep DYLD_LIBRARY_PATH
# No output here