使用devtools安装GTFSR库时出现Command failed(65535)错误求助

Hey there, let's work through this gtfsr installation issue together—since you're new to R, I'll break this down into simple, actionable steps to get you sorted:

Step 1: Install Required System-Level Dependencies #

The Command failed(65535) error often pops up when R is missing system libraries needed to compile packages. Here's what to do for your operating system:

• Windows: Install Rtools (make sure to check the box to add it to your system PATH during setup—this is crucial!).
• Mac: Open Terminal and run xcode-select --install to grab the Xcode command line tools, which are required for compiling R packages from GitHub.
• Linux (Ubuntu/Debian): Run this Terminal command to install critical libraries:

  sudo apt-get install libcurl4-openssl-dev libssl-dev libxml2-dev
  

Step 2: Clear Cache and Restart Your R Session #

Corrupted cached files can block successful installations. Let's reset things:

1. Run devtools::clean_dll() in your R console to wipe old compiled files.
2. Completely close and restart R (don't just clear the console—quit the app entirely to start fresh).

Step 3: Install Dependencies Separately First #

Your error mentions issues with the rstudio/leaflet dependency. Let's handle that directly before installing gtfsr:

1. Install the stable CRAN version of leaflet first:

   install.packages("leaflet")
   

2. Now install gtfsr, skipping automatic dependency installation since we've already set up leaflet:

   devtools::install_github('ropenscilabs/gtfsr', dependencies = FALSE)
   

Step 4: Check for Network/Proxy Blocks #

If you're on a company network, a proxy might be blocking GitHub package downloads. Try this:

1. Set R to use libcurl for more reliable downloads:

   options(download.file.method = "libcurl")
   

2. If you know your company's proxy details, add these lines (replace with your actual proxy address and port):

   Sys.setenv(http_proxy = "http://your-proxy-address:port")
   Sys.setenv(https_proxy = "http://your-proxy-address:port")
   

Then re-run the gtfsr installation command.

Step 5: Manual Source Installation (Last Resort) #

If all else fails, install directly from the source code:

1. Download the source code zip file for gtfsr from its GitHub repository.
2. Unzip the file to a folder on your computer.
3. In R, run this command (replace "/path/to/unzipped/gtfsr" with the actual folder path on your machine):

   install.packages("/path/to/unzipped/gtfsr", repos = NULL, type = "source")
   

Verify the Installation #

Once you've completed one of the above steps, test if it worked by running:

library(gtfsr)

If no error message appears, you're ready to start working with gtfsr!

内容的提问来源于stack exchange，提问作者kill9all