message on first install about installing optional features

Also, use a better (?) way to avoid the false fakeroot dependency, and
print detected dependencies when packaging.

1 files changed, 2 insertions, 3 deletions

diff --git a/find-deps.py b/find-deps.py
index 809bdf9d35f8..d6761f0a40fd 100755
--- a/find-deps.py
+++ b/find-deps.py
@@ -9,6 +9,7 @@ on dynamically linked libraries.
 """
 
 import sys
+import os
 import subprocess
 import re
 
@@ -23,6 +24,7 @@ def subprocess_get_lines(args, fail_okay=False):
     return output.decode().splitlines()
 
 # Get the filenames of the libs we need
+del os.environ['LD_LIBRARY_PATH'], os.environ['LD_PRELOAD'] # otherwise fakeroot will interfere
 ldd_output = subprocess_get_lines(['ldd'] + sys.argv[1:])
 regex = re.compile(r' => (.*) \(0x[0-9a-f]+\)$')
 libs = set(match.group(1) for match in map(regex.search, ldd_output) if match)
@@ -33,9 +35,6 @@ deps = set(subprocess_get_lines(
     fail_okay=True
 ))
 
-# fakeroot will be linked when building with makepkg, but isn't really needed
-deps.discard('fakeroot')
-
 # Remove redundant dependencies
 needed = set(deps)
 for pkg in deps: