How to install cairo30.05.26

**1. Install `cairo` Development Files:**

The command to install `cairo` will vary depending on your operating system and package manager.

*   **Debian/Ubuntu:**
    ```bash
    sudo apt-get update
    sudo apt-get install libcairo2-dev pkg-config
    ```

*   **Fedora/CentOS/RHEL:**
    ```bash
    sudo dnf install cairo-devel pkg-config
    ```
    or for older versions:
    ```bash
    sudo yum install cairo-devel pkg-config
    ```

*   **Arch Linux:**
    ```bash
    sudo pacman -S cairo pkgconf
    ```

*   **macOS (using Homebrew):**
    ```bash
    brew update
    brew install cairo pkg-config
    ```
    Note: If you encounter issues on macOS, you might need to set `PKG_CONFIG_PATH` after installing with Homebrew.

*   **Windows (using MSYS2):**
    In your MSYS2 terminal:
    ```bash
    pacman -Syu
    pacman -S mingw-w64-x86_64-cairo mingw-w64-x86_64-pkg-config
    ```

**2. Set `PKG_CONFIG_PATH` (If Necessary):**

As with the `glib-2.0` issue, installing the development packages usually makes `pkg-config` aware of the library. However, if the error persists:

*   **Find the `cairo.pc` file:** After installation, try to locate the `cairo.pc` file. It's typically found in directories like:
    *   `/usr/lib/pkgconfig/`
    *   `/usr/share/pkgconfig/`
    *   `/usr/local/lib/pkgconfig/`
    *   `/usr/local/share/pkgconfig/`
    *   (On macOS with Homebrew) `/opt/homebrew/lib/pkgconfig/` or `/usr/local/lib/pkgconfig/`

*   **Set the environment variable:**
    *   **Linux/macOS (temporary):**
        ```bash
        export PKG_CONFIG_PATH=/path/to/cairo/pkgconfig/dir:$PKG_CONFIG_PATH
        ```
        (Replace `/path/to/cairo/pkgconfig/dir` with the actual directory where `cairo.pc` is located.)
        Then run:
        ```bash
        cargo build
        ```

*   **Windows (Command Prompt):**
        ```cmd
        set PKG_CONFIG_PATH=C:\path\to\your\cairo\pkgconfig;%PKG_CONFIG_PATH%
        ```

*   **Windows (PowerShell):**
        ```powershell
        $env:PKG_CONFIG_PATH = "C:\path\to\your\cairo\pkgconfig;$env:PKG_CONFIG_PATH"
        ```

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How to install cairo30.05.26

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