diff --git a/pkgs/build-support/gcc-cross-wrapper/builder.sh b/pkgs/build-support/gcc-cross-wrapper/builder.sh
index 9396ace84f1..1bdda969653 100644
--- a/pkgs/build-support/gcc-cross-wrapper/builder.sh
+++ b/pkgs/build-support/gcc-cross-wrapper/builder.sh
@@ -7,7 +7,7 @@ mkdir $out/nix-support
 # Force gcc to use ld-wrapper.sh when calling ld.
 cflagsCompile="-B$out/bin/"
 
-if test -z "$nativeLibc"; then
+if test -z "$nativeLibc" -a -n "$libc"; then
     cflagsCompile="$cflagsCompile -B$gccLibs/lib -B$libc/lib/ -isystem $libc/include"
     ldflags="$ldflags -L$libc/lib"
     # Get the proper dynamic linker for glibc and uclibc. 
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index 2030f931c51..a8aa550c93c 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -189,6 +189,9 @@ let version = "4.9.4";
             # To keep ABI compatibility with upstream mingw-w64
             " --enable-fully-dynamic-string"
             else (if cross.libc == "uclibc" then
+              # libsanitizer requires netrom/netrom.h which is not
+              # available in uclibc.
+              " --disable-libsanitizer" +
               # In uclibc cases, libgomp needs an additional '-ldl'
               # and as I don't know how to pass it, I disable libgomp.
               " --disable-libgomp" else "") +
diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
index 4802c3fe278..2ac4f553f85 100644
--- a/pkgs/development/compilers/gcc/5/default.nix
+++ b/pkgs/development/compilers/gcc/5/default.nix
@@ -189,6 +189,9 @@ let version = "5.4.0";
             # To keep ABI compatibility with upstream mingw-w64
             " --enable-fully-dynamic-string"
             else (if cross.libc == "uclibc" then
+              # libsanitizer requires netrom/netrom.h which is not
+              # available in uclibc.
+              " --disable-libsanitizer" +
               # In uclibc cases, libgomp needs an additional '-ldl'
               # and as I don't know how to pass it, I disable libgomp.
               " --disable-libgomp" else "") +
diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
index e87554c25ab..ec6f0ca8d14 100644
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@@ -188,6 +188,9 @@ let version = "6.1.0";
             # To keep ABI compatibility with upstream mingw-w64
             " --enable-fully-dynamic-string"
             else (if cross.libc == "uclibc" then
+              # libsanitizer requires netrom/netrom.h which is not
+              # available in uclibc.
+              " --disable-libsanitizer" +
               # In uclibc cases, libgomp needs an additional '-ldl'
               # and as I don't know how to pass it, I disable libgomp.
               " --disable-libgomp" else "") +
diff --git a/pkgs/os-specific/linux/uclibc/default.nix b/pkgs/os-specific/linux/uclibc/default.nix
index ab5f149c512..448c9f3f4ee 100644
--- a/pkgs/os-specific/linux/uclibc/default.nix
+++ b/pkgs/os-specific/linux/uclibc/default.nix
@@ -104,6 +104,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.uclibc.org/;
     description = "A small implementation of the C library";
+    maintainers = with stdenv.lib.maintainers; [ rasendubi ];
     license = stdenv.lib.licenses.lgpl2;
     platforms = stdenv.lib.platforms.linux;
   };