0x80070005
Android Error on Linux Compilation
/usr/bin/ld: cannot find -lz
Summary
The error '/usr/bin/ld: cannot find -lz' occurs when compiling Android source code on a Linux system, indicating that the zlib library is missing. This library is essential for compression tasks during the build process. Without it, the compilation fails, preventing the successful creation of the Android build.
Quick Fix
Install the zlib development package using your package manager.
What is this error?
When you encounter the error '/usr/bin/ld: cannot find -lz' while compiling Android source code on a Linux platform, it means that the linker cannot find the zlib compression library. This library is crucial for handling compressed data and is often required by many applications, including Android builds. The absence of zlib can stem from not having the library installed or from incorrect paths set in your build configuration. To resolve this issue, you will need to install the zlib development package and ensure that your environment is correctly configured to locate it. This documentation provides various solutions to help you fix the error and successfully compile your Android project.
Common Causes
- zlib library is not installed on the system.
- Incorrect library paths in the build configuration.
- Missing development headers for zlib.
- Outdated package repositories.
Symptoms
- Compilation fails with the error message.
- Warnings about missing libraries during build.
- Inability to generate the Android build.
Step-by-Step Solutions
1
Install zlib Development Package
- Open a terminal window.
- Run the command: sudo apt-get install zlib1g-dev
- Wait for the installation to complete.
- Retry the compilation command.
Ensure you have administrative privileges to install packages.
2
Check Library Path
- Open your terminal.
- Check the library path by running: echo $LD_LIBRARY_PATH
- If zlib is not in the path, add it by editing your .bashrc file.
- Add the line: export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
- Run: source ~/.bashrc to apply changes.
Ensure the path to zlib is correct.
3
Update Package Repository
- Open a terminal.
- Run the command: sudo apt-get update
- After updating, try installing zlib again with: sudo apt-get install zlib1g-dev
This ensures you have the latest package information.
4
Check for Missing Headers
- Open a terminal.
- Run: dpkg -L zlib1g-dev to list installed files.
- Verify that the header files are present in /usr/include.
- If missing, reinstall zlib with: sudo apt-get install --reinstall zlib1g-dev
Missing headers can also cause compilation issues.
Did this solution help you?
How to Prevent This
- Regularly update your system packages.
- Ensure all required development libraries are installed before starting a project.
Frequently Asked Questions
What does 'cannot find -lz' mean?
It means the linker cannot locate the zlib library needed for compression.
How do I install zlib on Ubuntu?
You can install it by running 'sudo apt-get install zlib1g-dev' in the terminal.
What if I still get the error after installing zlib?
Check your library paths and ensure they include the path to zlib.
Can I compile Android without zlib?
No, zlib is required for handling compressed data during the build process.
Is there an alternative to zlib?
While zlib is commonly used, other compression libraries exist, but they may not be compatible with Android builds.