diff --git a/mace/core/BUILD b/mace/core/BUILD
index 77a3e0dd8ae3c9a21aa0ebc973867cba07910cfd..4b6bb68275188ef9c4b5f269ffe3982481c7162c 100644
--- a/mace/core/BUILD
+++ b/mace/core/BUILD
@@ -48,22 +48,16 @@ cc_library(
         ["*.cc",],
         exclude=[
             "logging.cc",
-            "opencl_allocator.cc",
-        ]) + if_android([
-            "opencl_allocator.cc",
         ]),
     hdrs = glob(
         ["*.h"],
         exclude=[
             "logging.h",
-            "opencl_allocator.h",
-        ]) + if_android([
-            "opencl_allocator.h",
         ]),
-    copts = ["-std=c++11"] + if_android([
-		"-D__USE_OPENCL",
+    copts = ["-std=c++11", "-D_GLIBCXX_USE_C99_MATH_TR1"] + if_android([
+            "-D__USE_OPENCL",
     ]),
-    linkopts = if_android([
+    linkopts = ["-ldl"] + if_android([
         "-pie",
     ]),
     deps = [
@@ -71,9 +65,8 @@ cc_library(
         "//mace/proto:cc_proto",
         "//mace/proto:stats_proto",
         "//mace/utils",
-    ] + if_android([
         ":opencl_runtime",
-    ]),
+    ],
 )
 
 # Main program for tests
@@ -86,7 +79,10 @@ cc_library(
     hdrs = glob([
         "testing/*.h",
     ]),
-    copts = ["-std=c++11"],
+    copts = [
+        "-std=c++11",
+        "-D_GLIBCXX_USE_C99_MATH_TR1",
+    ],
     linkopts = ["-lm"],
     deps = [
         ":core",
diff --git a/mace/core/net.cc b/mace/core/net.cc
index e255614fba3caeb9b744103d74b4b53ebec9cccf..5af73bf5c3fbac55883d5bf85634c237e2d3324f 100644
--- a/mace/core/net.cc
+++ b/mace/core/net.cc
@@ -53,6 +53,9 @@ bool SimpleNet::Run(RunMetadata *run_metadata) {
 
     if (run_metadata) {
       if (device_type_ == DeviceType::OPENCL) {
+#ifndef __USE_OPENCL
+        LOG(FATAL) << "OpenCL is not supported";
+#endif
         OpenCLRuntime::Get()->command_queue().finish();
         op_stats = run_metadata->add_op_stats();
         op_stats->set_operator_name(op->debug_def().name());
diff --git a/mace/kernels/BUILD b/mace/kernels/BUILD
index 87f81f7f1f31d51975db77265dbc0a99e67fecdf..b4b383ae29243c186cfd3315c2d82c3013aade9b 100644
--- a/mace/kernels/BUILD
+++ b/mace/kernels/BUILD
@@ -11,19 +11,16 @@ load("//mace:mace.bzl", "if_android", "if_android_arm64")
 
 cc_library(
     name = "kernels",
-    srcs = glob(["*.cc"]) + if_android(glob([
-        "opencl/*.cc",
-    ])) + if_android_arm64(glob([
+    srcs = glob(["*.cc", "opencl/*.cc"]) + if_android_arm64(glob([
         "neon/*.cc",
     ])),
-    hdrs = glob(["*.h"]) + if_android(glob([
-        "opencl/*.h",
-    ])) + if_android_arm64(glob([
+    hdrs = glob(["*.h", "opencl/*.h"]) + if_android_arm64(glob([
         "neon/*.h",
     ])),
     copts = [
         "-std=c++11",
         "-fopenmp",
+        "-D_GLIBCXX_USE_C99_MATH_TR1",
     ],
     linkopts = if_android(["-lm"]),
     deps = [
diff --git a/mace/ops/BUILD b/mace/ops/BUILD
index 683d87abfbb5c013a758147298643eeadd0cf4b5..89f6b8b78bb1f31a912817140756d562275a61ce 100644
--- a/mace/ops/BUILD
+++ b/mace/ops/BUILD
@@ -36,7 +36,7 @@ cc_library(
     ),
     copts = [
         "-std=c++11",
-        "-fopenmp",
+        "-D_GLIBCXX_USE_C99_MATH_TR1",
     ],
     deps = [
         "//mace/kernels",
@@ -52,7 +52,7 @@ cc_test(
         ["*_test.cc"],
     ),
     copts = ["-std=c++11"],
-    linkopts = ["-fopenmp"] + if_android(["-ldl"]),
+    linkopts = ["-fopenmp"],
     linkstatic = 1,
     deps = [
         ":ops",
@@ -65,7 +65,11 @@ cc_test(
     name = "ops_benchmark",
     testonly = 1,
     srcs = glob(["*_benchmark.cc"]),
-    copts = ["-std=c++11"],
+    copts = [
+        "-std=c++11",
+        "-fopenmp",
+        "-D_GLIBCXX_USE_C99_MATH_TR1",
+    ],
     linkopts = ["-fopenmp"] + if_android(["-ldl"]),
     linkstatic = 1,
     deps = [