lcov: fix and enable strictDeps (#377596)

Author: FliegendeWurst

pkgs/by-name/lc/lcov/package.nix

@@ -30,16 +30,22 @@ stdenv.mkDerivation rec {
     hash = "sha256-Qz5Q1JRJeB0aCaYmCR8jeG7TQPkvJHtJTkBhXGM05ak=";
   };
 
-  nativeBuildInputs = [ makeWrapper ];
+  nativeBuildInputs = [
+    makeWrapper
+    perl
+  ];
 
   buildInputs = [
     perl
     python3
   ];
 
+  strictDeps = true;
+
   preBuild = ''
-    patchShebangs bin/
-    makeFlagsArray=(PREFIX=$out LCOV_PERL_PATH=$(command -v perl))
+    patchShebangs --build bin/{fix.pl,get_version.sh} tests/*/*
+    patchShebangs --host bin/{gen*,lcov,perl2lcov}
+    makeFlagsArray=(PREFIX=$out LCOV_PERL_PATH=${lib.getExe perl})
   '';
 
   postInstall = ''