prevent+improve repl erros

crates/compiler/build/src/link.rs

@@ -918,10 +918,15 @@ fn link_linux(
                     eprintln!("You may need to install libgcc\n");
                 }
                 if maybe_crti.is_none() | maybe_crtn.is_none() | maybe_scrt1.is_none() {
-                    eprintln!("Couldn't find the glibc development files!");
-                    eprintln!("We need the objects crti.o, crtn.o, and Scrt1.o");
-                    eprintln!("You may need to install the glibc development package");
-                    eprintln!("(probably called glibc-dev or glibc-devel)\n");
+                    eprintln!("Couldn't find the libc development files!");
+                    eprintln!("We need the files crti.o, crtn.o, and Scrt1.o");
+                    eprintln!();
+                    eprintln!("On Ubuntu/Debian execute:");
+                    eprintln!("\tsudo apt install libc-dev\n");
+                    eprintln!("On ArchLinux/Manjaro execute:");
+                    eprintln!("\tsudo pacman -S glibc\n");
+                    eprintln!("On Fedora execute:");
+                    eprintln!("\tsudo dnf install glibc-devel\n");
                 }
 
                 let dirs = lib_dirs

getting_started/linux_x86_64.md

@@ -22,6 +22,25 @@ which includes the Roc compiler and some helpful utilities.
 
 1. Check everything worked by executing `roc version`
 
+1. Install libc development files and ld (binutils) if you'd like to use the repl (`roc repl`):
+   - On Ubuntu/Debian:
+
+    ```sh
+    sudo apt install libc-dev binutils
+    ```
+
+   - On ArchLinux/Manjaro:
+
+   ```sh
+   sudo pacman -S glibc binutils
+   ```
+
+   - on Fedora:
+
+   ```sh
+   sudo dnf install glibc-devel binutils
+   ```
+
 ## How to install Roc platform dependencies
 
 This step is not necessary if you only want to use the [basic-cli platform](https://github.com/roc-lang/basic-cli), like in the tutorial.