uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/perl-modules/generic/builder.sh

@@ -0,0 +1,36 @@
+source $stdenv/setup
+
+PERL5LIB="$PERL5LIB${PERL5LIB:+:}$out/lib/perl5/site_perl"
+
+perlFlags=
+for i in $(IFS=:; echo $PERL5LIB); do
+    perlFlags="$perlFlags -I$i"
+done
+
+oldPreConfigure="$preConfigure"
+preConfigure() {
+
+    eval "$oldPreConfigure"
+
+    find . | while read fn; do
+        if test -f "$fn"; then
+            first=$(dd if="$fn" count=2 bs=1 2> /dev/null)
+            if test "$first" = "#!"; then
+                echo "patching $fn..."
+                sed -i "$fn" -e "s|^#\!\(.*\bperl\b.*\)$|#\!\1$perlFlags|"
+            fi
+        fi
+    done
+
+    perl Makefile.PL PREFIX=$out INSTALLDIRS=site $makeMakerFlags PERL=$(type -P perl) FULLPERL=\"$fullperl/bin/perl\"
+}
+
+if test -n "$perlPreHook"; then
+    eval "$perlPreHook"
+fi
+
+genericBuild
+
+if test -n "$perlPostHook"; then
+    eval "$perlPostHook"
+fi

pkgs/development/perl-modules/generic/default.nix

@@ -0,0 +1,65 @@
+{ lib, stdenv, perl, buildPerl, toPerlModule }:
+
+{ buildInputs ? []
+, nativeBuildInputs ? []
+, outputs ? [ "out" "devdoc" ]
+, src ? null
+
+# enabling or disabling does nothing for perl packages so set it explicitly
+# to false to not change hashes when enableParallelBuildingByDefault is enabled
+, enableParallelBuilding ? false
+
+, doCheck ? true
+, checkTarget ? "test"
+
+# Prevent CPAN downloads.
+, PERL_AUTOINSTALL ? "--skipdeps"
+
+# From http://wiki.cpantesters.org/wiki/CPANAuthorNotes: "allows
+# authors to skip certain tests (or include certain tests) when
+# the results are not being monitored by a human being."
+, AUTOMATED_TESTING ? true
+
+# current directory (".") is removed from @INC in Perl 5.26 but many old libs rely on it
+# https://metacpan.org/pod/release/XSAWYERX/perl-5.26.0/pod/perldelta.pod#Removal-of-the-current-directory-%28%22.%22%29-from-@INC
+, PERL_USE_UNSAFE_INC ? "1"
+
+, ...
+}@attrs:
+
+assert attrs?pname -> attrs?version;
+assert attrs?pname -> !(attrs?name);
+
+lib.warnIf (attrs ? name) "builtPerlPackage: `name' (\"${attrs.name}\") is deprecated, use `pname' and `version' instead"
+
+(let
+  defaultMeta = {
+    homepage = "https://metacpan.org/release/${lib.getName attrs}"; # TODO: phase-out `attrs.name`
+    mainProgram = attrs.pname or (builtins.parseDrvName attrs.name).name;
+    platforms = perl.meta.platforms;
+  };
+
+  cleanedAttrs = builtins.removeAttrs attrs [
+    "meta" "builder" "version" "pname" "fullperl"
+    "buildInputs" "nativeBuildInputs" "buildInputs"
+    "PERL_AUTOINSTALL" "AUTOMATED_TESTING" "PERL_USE_UNSAFE_INC"
+    ];
+
+  package = stdenv.mkDerivation ({
+    pname = "perl${perl.version}-${lib.getName attrs}"; # TODO: phase-out `attrs.name`
+    version = lib.getVersion attrs;                     # TODO: phase-out `attrs.name`
+
+    builder = ./builder.sh;
+
+    buildInputs = buildInputs ++ [ perl ];
+    nativeBuildInputs = nativeBuildInputs ++ [ (perl.mini or perl) ];
+
+    fullperl = buildPerl;
+
+    inherit outputs src doCheck checkTarget enableParallelBuilding;
+    inherit PERL_AUTOINSTALL AUTOMATED_TESTING PERL_USE_UNSAFE_INC;
+
+    meta = defaultMeta // (attrs.meta or { });
+  } // cleanedAttrs);
+
+in toPerlModule package)