diff --git a/libc/Android.bp b/libc/Android.bp
index 04c62b3..15573e9 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -55,6 +55,7 @@
 // ========================================================
 cc_defaults {
     name: "libc_defaults",
+    defaults: ["linux_bionic_supported"],
     cflags: libc_common_flags,
     asflags: libc_common_flags,
     conlyflags: ["-std=gnu99"],
@@ -1770,6 +1771,7 @@
 
 cc_defaults {
     name: "crt_defaults",
+    defaults: ["linux_bionic_supported"],
 
     no_default_compiler_flags: true,
 
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index 13000f7..c6f0d24 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -134,8 +134,10 @@
 };
 #endif
 
+#if defined(__ANDROID__)
 // This should be synchronized to ResponseCode.h
 static const int DnsProxyQueryResult = 222;
+#endif
 
 static const struct afd {
 	int a_af;
@@ -399,6 +401,7 @@
   return true;
 }
 
+#if defined(__ANDROID__)
 // Returns 0 on success, else returns on error.
 static int
 android_getaddrinfo_proxy(
@@ -555,6 +558,7 @@
 	}
 	return EAI_NODATA;
 }
+#endif
 
 int
 getaddrinfo(const char *hostname, const char *servname,
diff --git a/libdl/Android.bp b/libdl/Android.bp
index 273a887..9db3a94 100644
--- a/libdl/Android.bp
+++ b/libdl/Android.bp
@@ -2,6 +2,9 @@
 // libdl
 //
 cc_library {
+    name: "libdl",
+
+    defaults: ["linux_bionic_supported"],
 
     // NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from
     // libgcc.a are made static to libdl.so.  This in turn ensures that libraries that
@@ -46,8 +49,6 @@
     ],
     stl: "none",
 
-    name: "libdl",
-
     // NOTE: libdl needs __aeabi_unwind_cpp_pr0 from libgcc.a but libgcc.a needs a
     // few symbols from libc. Using --no-undefined here results in having to link
     // against libc creating a circular dependency which is removed and we end up
diff --git a/libm/Android.bp b/libm/Android.bp
index 11017f6..35f5fe4 100644
--- a/libm/Android.bp
+++ b/libm/Android.bp
@@ -5,6 +5,7 @@
 //
 cc_library {
     name: "libm",
+    defaults: ["linux_bionic_supported"],
 
     srcs: [
         "upstream-freebsd/lib/msun/bsdsrc/b_exp.c",
diff --git a/linker/Android.bp b/linker/Android.bp
index 4d770ac..5745d73 100644
--- a/linker/Android.bp
+++ b/linker/Android.bp
@@ -1,6 +1,7 @@
 cc_library_static {
     name: "liblinker_malloc",
     clang: true,
+    defaults: ["linux_bionic_supported"],
 
     srcs: [
         "linker_allocator.cpp",
@@ -13,6 +14,7 @@
 
 cc_binary {
     clang: true,
+    defaults: ["linux_bionic_supported"],
 
     srcs: [
         "dlfcn.cpp",
@@ -112,7 +114,6 @@
         "libbase",
         "libz",
         "liblog",
-        "libdebuggerd_client",
 
         // Important: The liblinker_malloc should be the last library in the list
         // to overwrite any other malloc implementations by other static libraries.
@@ -131,9 +132,15 @@
        },
     },
     target: {
+        android: {
+            static_libs: ["libdebuggerd_client"],
+        },
         android64: {
             cflags: ["-DTARGET_IS_64_BIT"],
         },
+        linux_bionic: {
+            cflags: ["-DTARGET_IS_64_BIT"],
+        },
     },
     compile_multilib: "both",
 
diff --git a/linker/linker_main.cpp b/linker/linker_main.cpp
index 2e98bf0..a8cc814 100644
--- a/linker/linker_main.cpp
+++ b/linker/linker_main.cpp
@@ -40,7 +40,9 @@
 
 #include "android-base/strings.h"
 #include "android-base/stringprintf.h"
+#ifdef __ANDROID__
 #include "debuggerd/client.h"
+#endif
 
 #include <vector>
 
@@ -217,6 +219,7 @@
   __system_properties_init(); // may use 'environ'
 
   // Register the debuggerd signal handler.
+#ifdef __ANDROID__
   debuggerd_callbacks_t callbacks = {
     .get_abort_message = []() {
       return g_abort_message;
@@ -224,6 +227,7 @@
     .post_dump = &notify_gdb_of_libraries,
   };
   debuggerd_init(&callbacks);
+#endif
 
   g_linker_logger.ResetState();