diff --git a/build_all.py b/build_all.py
index 24ee466a2..b0b400610 100755
--- a/build_all.py
+++ b/build_all.py
@@ -98,48 +98,15 @@ def run_per_platform(cmds_windows=[], cmds_macOS=[], cmds_linux=[], cwd='.'):
 
   # physTest sample
   if 'physTest' in BUILD_PROJECTS:
-    proj_dir = 'prog/samples/physTest'
-    if 'code' in BUILD_COMPONENTS:
-      run('jam', cwd=proj_dir)
-      run(['jam', '-f', 'jamfile-test-jolt'], cwd=proj_dir)
-    if 'shaders' in BUILD_COMPONENTS:
-      run_per_platform(
-        cmds_windows = ['compile_game_shaders-dx11.bat', 'compile_game_shaders-metal.bat', 'compile_game_shaders-spirv.bat'],
-        cmds_macOS   = ['./compile_shaders_metal.sh'],
-        cmds_linux   = ['./compile_shaders_spirv.sh'],
-        cwd=proj_dir+'/shaders')
+    run([sys.executable, './build.py'] + PY_ADD_CMDLINE, cwd='prog/samples/physTest')
 
   # skiesSample
   if 'skiesSample' in BUILD_PROJECTS:
-    proj_dir = 'samples/skiesSample/prog'
-    print('=== building '+proj_dir);
-    if 'code' in BUILD_COMPONENTS:
-      run('jam', cwd=proj_dir)
-    if 'shaders' in BUILD_COMPONENTS:
-      run_per_platform(
-        cmds_windows = ['compile_shaders_dx12.bat', 'compile_shaders_dx11.bat', 'compile_shaders_metal.bat', 'compile_shaders_spirv.bat',
-                        'compile_shaders_tools.bat'],
-        cmds_macOS   = ['./compile_shaders_metal.sh', './compile_tool_shaders_metal.sh'],
-        cmds_linux   = ['./compile_shaders_spirv.sh', './compile_tool_shaders_spirv.sh'],
-        cwd=proj_dir+'/shaders')
-    if 'assets' in BUILD_COMPONENTS:
-      run(DABUILD_CMD + ['../application.blk'], cwd='samples/skiesSample/develop')
+    run([sys.executable, './build.py'] + PY_ADD_CMDLINE, cwd='samples/skiesSample/prog')
 
   # testGI sample
   if 'testGI' in BUILD_PROJECTS:
-    proj_dir = 'samples/testGI/prog'
-    print('=== building '+proj_dir);
-    if 'code' in BUILD_COMPONENTS:
-      run('jam', cwd=proj_dir)
-    if 'shaders' in BUILD_COMPONENTS:
-      run_per_platform(
-        cmds_windows = ['compile_shaders_dx12.bat', 'compile_shaders_dx11.bat', 'compile_shaders_metal.bat', 'compile_shaders_spirv.bat',
-                        'compile_shaders_tools.bat'],
-        cmds_macOS   = ['./compile_shaders_metal.sh', './compile_tool_shaders_metal.sh'],
-        cmds_linux   = ['./compile_shaders_spirv.sh', './compile_tool_shaders_spirv.sh'],
-        cwd=proj_dir+'/shaders')
-    if 'assets' in BUILD_COMPONENTS:
-      run(DABUILD_CMD + ['../application.blk'], cwd='samples/testGI/develop')
+    run([sys.executable, './build.py'] + PY_ADD_CMDLINE, cwd='samples/testGI/prog')
 
   # Outer Space game sample
   if 'outerSpace' in BUILD_PROJECTS:
diff --git a/prog/samples/physTest/build.py b/prog/samples/physTest/build.py
new file mode 100755
index 000000000..a80b12885
--- /dev/null
+++ b/prog/samples/physTest/build.py
@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+import sys
+sys.path.append('../../..')
+from build_all import run, run_per_platform, BUILD_COMPONENTS
+sys.path.pop()
+
+
+# build EXE
+if 'code' in BUILD_COMPONENTS:
+  run('jam')
+  run(['jam', '-f', 'jamfile-test-jolt'])
+
+# build shaders
+if 'shaders' in BUILD_COMPONENTS:
+  run_per_platform(
+    cmds_windows = ['compile_game_shaders-dx11.bat', 'compile_game_shaders-metal.bat', 'compile_game_shaders-spirv.bat'],
+    cmds_macOS   = ['./compile_shaders_metal.sh'],
+    cmds_linux   = ['./compile_shaders_spirv.sh'],
+    cwd='./shaders')
diff --git a/samples/skiesSample/prog/build.py b/samples/skiesSample/prog/build.py
new file mode 100755
index 000000000..778c690f7
--- /dev/null
+++ b/samples/skiesSample/prog/build.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+import sys
+sys.path.append('../../..')
+from build_all import run, run_per_platform, DABUILD_CMD, BUILD_COMPONENTS
+sys.path.pop()
+
+
+# build EXE
+if 'code' in BUILD_COMPONENTS:
+  run('jam')
+
+# build shaders
+if 'shaders' in BUILD_COMPONENTS:
+  run_per_platform(
+    cmds_windows = ['compile_shaders_dx12.bat', 'compile_shaders_dx11.bat', 'compile_shaders_metal.bat', 'compile_shaders_spirv.bat',
+                    'compile_shaders_tools.bat'],
+    cmds_macOS   = ['./compile_shaders_metal.sh', './compile_tool_shaders_metal.sh'],
+    cmds_linux   = ['./compile_shaders_spirv.sh', './compile_tool_shaders_spirv.sh'],
+    cwd='./shaders')
+
+# dabuild assets
+if 'assets' in BUILD_COMPONENTS:
+  run(DABUILD_CMD + ['../application.blk'], cwd='../develop')
diff --git a/samples/testGI/prog/build.py b/samples/testGI/prog/build.py
new file mode 100755
index 000000000..778c690f7
--- /dev/null
+++ b/samples/testGI/prog/build.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+import sys
+sys.path.append('../../..')
+from build_all import run, run_per_platform, DABUILD_CMD, BUILD_COMPONENTS
+sys.path.pop()
+
+
+# build EXE
+if 'code' in BUILD_COMPONENTS:
+  run('jam')
+
+# build shaders
+if 'shaders' in BUILD_COMPONENTS:
+  run_per_platform(
+    cmds_windows = ['compile_shaders_dx12.bat', 'compile_shaders_dx11.bat', 'compile_shaders_metal.bat', 'compile_shaders_spirv.bat',
+                    'compile_shaders_tools.bat'],
+    cmds_macOS   = ['./compile_shaders_metal.sh', './compile_tool_shaders_metal.sh'],
+    cmds_linux   = ['./compile_shaders_spirv.sh', './compile_tool_shaders_spirv.sh'],
+    cwd='./shaders')
+
+# dabuild assets
+if 'assets' in BUILD_COMPONENTS:
+  run(DABUILD_CMD + ['../application.blk'], cwd='../develop')