OpenSystemsDevelopment / qpdf

  • Enhance Windows build for local dev ...
    d51bdcf6 
    * Remove dependency on `perl`, now only required for maintenance
  activities and running the test suite.
* Exercise building qpdf and running executables from JetBrains CLion
  without any special additional tooling beyond pre-built external
  libraries.

This replaces the `copy_dlls` with a powershell script, written mostly
by ChatGPT, starting from the bash script below. The copy_dlls script
had a lot of logic that was no longer needed.

```bash
#!/bin/bash
set -eo pipefail
exe="$1"
dest="$2"
mingw_bin_dir="$3"
if [[ $mingw_bin_dir == "" ]]; then
    echo >&2 "Usage: $(basename $0) exe dest mingw-bin-dir"
    exit 2
fi

get_dlls() {
    objdump -p "$1" | grep 'DLL Name:' | awk '{print $NF}'
}
declare -a dlls
dlls=($(get_dlls "$exe"))
declare -A seen
while [[ ${#dlls[@]} -gt 0 ]]; do
    i="${dlls[0]}"
    dlls=("${dlls[@]:1}")
    if [[ ${seen[$i]} == 1 ]]; then
        continue
    fi
    seen[$i]=1
    full="$mingw_bin_dir/$i"
    if [[ -f "$full" ]]; then
        cp "$full" $dest/
        dlls+=($(get_dlls "$full"))
    fi
done
```
    Jay Berkenbilt authored
     
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