diff --git a/pkgs/development/libraries/glibc/common.nix b/pkgs/development/libraries/glibc/common.nix
index de9867f41d0d..f98c0eb1c348 100644
--- a/pkgs/development/libraries/glibc/common.nix
+++ b/pkgs/development/libraries/glibc/common.nix
@@ -161,7 +161,7 @@ stdenv.mkDerivation ({
     ++ lib.optional withGd "--with-gd"
     ++ lib.optional (!withLibcrypt) "--disable-crypt";
 
-  makeFlags = [
+  makeFlags = (args.makeFlags or []) ++ [
     "OBJCOPY=${stdenv.cc.targetPrefix}objcopy"
   ];
 
@@ -196,7 +196,7 @@ stdenv.mkDerivation ({
   passthru = { inherit version; minorRelease = version; };
 }
 
-// (removeAttrs args [ "withLinuxHeaders" "withGd" "postInstall" ]) //
+// (removeAttrs args [ "withLinuxHeaders" "withGd" "postInstall" "makeFlags" ]) //
 
 {
   src = fetchurl {
diff --git a/pkgs/development/libraries/glibc/info.nix b/pkgs/development/libraries/glibc/info.nix
index 04b0dc00a894..d643d8a6ba09 100644
--- a/pkgs/development/libraries/glibc/info.nix
+++ b/pkgs/development/libraries/glibc/info.nix
@@ -9,7 +9,7 @@ callPackage ./common.nix {} {
 
   extraNativeBuildInputs = [ texinfo perl ];
 
-  buildPhase = "make info";
+  makeFlags = [ "info" ];
 
   # I don't know why the info is not generated in 'build'
   # Somehow building the info still does not work, because the final