diff --git a/swiftpm/Utilities/bootstrap b/swiftpm/Utilities/bootstrap
index f7439427..56166b7a 100755
--- a/swiftpm/Utilities/bootstrap
+++ b/swiftpm/Utilities/bootstrap
@@ -164,7 +164,10 @@ def parse_build_args(args):
     args.target_dir = os.path.join(args.build_dir, get_build_target(args))
     args.bootstrap_dir = os.path.join(args.target_dir, "bootstrap")
     args.conf = 'release' if args.release else 'debug'
-    args.bin_dir = os.path.join(args.target_dir, args.conf)
+    if args.cross_compiling:
+        args.bin_dir = os.path.join(args.target_dir, 'bootstrap', 'bin')
+    else:
+        args.bin_dir = os.path.join(args.target_dir, args.conf)
 
 def parse_test_args(args):
     """Parses and cleans arguments necessary for the test action."""
@@ -232,6 +235,8 @@ def get_ninja_path(args):
 def get_build_target(args):
     """Returns the target-triple of the current machine."""
     try:
+        if args.cross_compiling:
+            return 'linux-android'
         target_info_json = subprocess.check_output([args.swiftc_path, '-print-target-info'], stderr=subprocess.PIPE, universal_newlines=True).strip()
         args.target_info = json.loads(target_info_json)
         return args.target_info["target"]["unversionedTriple"]
@@ -255,6 +260,7 @@ def clean(args):
 
 def build(args):
     """Builds SwiftPM using a two-step process: first using CMake, then with itself."""
+    args.cross_compiling = 'ANDROID_DATA' not in os.environ
     parse_build_args(args)
 
     # Build llbuild if its build path is not passed in.
@@ -263,7 +269,8 @@ def build(args):
 
     build_tsc(args)
     build_swiftpm_with_cmake(args)
-    build_swiftpm_with_swiftpm(args)
+    if not args.cross_compiling:
+        build_swiftpm_with_swiftpm(args)
 
 def test(args):
     """Builds SwiftPM, then tests itself."""
@@ -366,14 +373,24 @@ def build_with_cmake(args, cmake_args, source_path, build_dir):
     """Runs CMake if needed, then builds with Ninja."""
     cache_path = os.path.join(build_dir, "CMakeCache.txt")
     if not os.path.isfile(cache_path) or args.reconfigure:
-        swift_flags = ""
+        if args.cross_compiling:
+            # The two termux prefix flags are needed because the Swift flags pass the
+            # standalone toolchain as the sdk, or sysroot.
+            swift_flags = os.getenv("TERMUX_SWIFT_FLAGS") + \
+            " -L @TERMUX_PREFIX@/lib -Xcc -I@TERMUX_PREFIX@/include \
+            -Xlinker -rpath -Xlinker '$$ORIGIN/../android'"
+            build_type = 'Release'
+        else:
+            swift_flags = ""
+            build_type = 'Debug'
+
         if args.sysroot:
             swift_flags = "-sdk %s" % args.sysroot
 
         cmd = [
             args.cmake_path, "-G", "Ninja",
             "-DCMAKE_MAKE_PROGRAM=%s" % args.ninja_path,
-            "-DCMAKE_BUILD_TYPE:=Debug",
+            "-DCMAKE_BUILD_TYPE:=%s" % build_type,
             "-DCMAKE_Swift_FLAGS=" + swift_flags,
             "-DCMAKE_Swift_COMPILER:=%s" % (args.swiftc_path),
         ] + cmake_args + [source_path]
@@ -424,6 +441,13 @@ def build_tsc(args):
         cmake_flags.append("-DCMAKE_C_FLAGS=-target x86_64-apple-macosx10.10")
         cmake_flags.append("-DCMAKE_OSX_DEPLOYMENT_TARGET=10.10")
 
+    if args.cross_compiling:
+        cmake_flags.append("-DCMAKE_SYSTEM_NAME=Android")
+        cmake_flags.append("-DCMAKE_SYSTEM_VERSION=@TERMUX_PKG_API_LEVEL@")
+        cmake_flags.append("-DCMAKE_SYSTEM_PROCESSOR=@TERMUX_ARCH@")
+        cmake_flags.append("-DCMAKE_ANDROID_STANDALONE_TOOLCHAIN=@TERMUX_STANDALONE_TOOLCHAIN@")
+        cmake_flags.append("-DCMAKE_EXE_LINKER_FLAGS=--target={}".format(os.getenv("CCTERMUX_HOST_PLATFORM")))
+
     build_with_cmake(args, cmake_flags, args.tsc_source_dir, args.tsc_build_dir)
 
 def build_swiftpm_with_cmake(args):
@@ -574,6 +598,7 @@ def get_swiftpm_flags(args):
     if 'ANDROID_DATA' in os.environ:
         build_flags.extend(["-Xswiftc", "-Xcc", "-Xswiftc", "-U_GNU_SOURCE"])
 
+    build_flags.extend(["-Xswiftc", "-no-toolchain-stdlib-rpath", "-Xlinker", "-landroid-spawn"])
     return build_flags
 
 # -----------------------------------------------------------