Fix cmake variables to point to the project root directory. (#545)

@@ -9,8 +9,8 @@ function(download_asio)
   # please pre-download asio
   set(possible_file_locations
     $ENV{HOME}/Downloads/asio-asio-1-24-0.tar.gz
-    ${PROJECT_SOURCE_DIR}/asio-asio-1-24-0.tar.gz
-    ${PROJECT_BINARY_DIR}/asio-asio-1-24-0.tar.gz
+    ${CMAKE_SOURCE_DIR}/asio-asio-1-24-0.tar.gz
+    ${CMAKE_BINARY_DIR}/asio-asio-1-24-0.tar.gz
     /tmp/asio-asio-1-24-0.tar.gz
     /star-fj/fangjun/download/github/asio-asio-1-24-0.tar.gz
   )

@@ -9,8 +9,8 @@ function(download_cargs)
   # please pre-download cargs
   set(possible_file_locations
     $ENV{HOME}/Downloads/cargs-1.0.3.tar.gz
-    ${PROJECT_SOURCE_DIR}/cargs-1.0.3.tar.gz
-    ${PROJECT_BINARY_DIR}/cargs-1.0.3.tar.gz
+    ${CMAKE_SOURCE_DIR}/cargs-1.0.3.tar.gz
+    ${CMAKE_BINARY_DIR}/cargs-1.0.3.tar.gz
     /tmp/cargs-1.0.3.tar.gz
     /star-fj/fangjun/download/github/cargs-1.0.3.tar.gz
   )

@@ -9,8 +9,8 @@ function(download_eigen)
   # please pre-download eigen
   set(possible_file_locations
     $ENV{HOME}/Downloads/eigen-3.4.0.tar.gz
-    ${PROJECT_SOURCE_DIR}/eigen-3.4.0.tar.gz
-    ${PROJECT_BINARY_DIR}/eigen-3.4.0.tar.gz
+    ${CMAKE_SOURCE_DIR}/eigen-3.4.0.tar.gz
+    ${CMAKE_BINARY_DIR}/eigen-3.4.0.tar.gz
     /tmp/eigen-3.4.0.tar.gz
     /star-fj/fangjun/download/github/eigen-3.4.0.tar.gz
   )

@@ -19,8 +19,8 @@ function(download_espeak_ng_for_piper)
   # please pre-download kaldi-decoder
   set(possible_file_locations
     $ENV{HOME}/Downloads/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
-    ${PROJECT_SOURCE_DIR}/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
-    ${PROJECT_BINARY_DIR}/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
+    ${CMAKE_SOURCE_DIR}/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
+    ${CMAKE_BINARY_DIR}/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
     /tmp/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
     /star-fj/fangjun/download/github/espeak-ng-c58d2a4a88e9a291ca448f046e15c6188cbd3b3a.zip
   )

@@ -9,8 +9,8 @@ function(download_googltest)
   # please pre-download googletest
   set(possible_file_locations
     $ENV{HOME}/Downloads/googletest-1.13.0.tar.gz
-    ${PROJECT_SOURCE_DIR}/googletest-1.13.0.tar.gz
-    ${PROJECT_BINARY_DIR}/googletest-1.13.0.tar.gz
+    ${CMAKE_SOURCE_DIR}/googletest-1.13.0.tar.gz
+    ${CMAKE_BINARY_DIR}/googletest-1.13.0.tar.gz
     /tmp/googletest-1.13.0.tar.gz
     /star-fj/fangjun/download/github/googletest-1.13.0.tar.gz
   )

@@ -13,8 +13,8 @@ function(download_kaldi_decoder)
   # please pre-download kaldi-decoder
   set(possible_file_locations
     $ENV{HOME}/Downloads/kaldi-decoder-0.2.3.tar.gz
-    ${PROJECT_SOURCE_DIR}/kaldi-decoder-0.2.3.tar.gz
-    ${PROJECT_BINARY_DIR}/kaldi-decoder-0.2.3.tar.gz
+    ${CMAKE_SOURCE_DIR}/kaldi-decoder-0.2.3.tar.gz
+    ${CMAKE_BINARY_DIR}/kaldi-decoder-0.2.3.tar.gz
     /tmp/kaldi-decoder-0.2.3.tar.gz
     /star-fj/fangjun/download/github/kaldi-decoder-0.2.3.tar.gz
   )

@@ -13,8 +13,8 @@ function(download_kaldi_native_fbank)
   # please pre-download kaldi-native-fbank
   set(possible_file_locations
     $ENV{HOME}/Downloads/kaldi-native-fbank-1.18.6.tar.gz
-    ${PROJECT_SOURCE_DIR}/kaldi-native-fbank-1.18.6.tar.gz
-    ${PROJECT_BINARY_DIR}/kaldi-native-fbank-1.18.6.tar.gz
+    ${CMAKE_SOURCE_DIR}/kaldi-native-fbank-1.18.6.tar.gz
+    ${CMAKE_BINARY_DIR}/kaldi-native-fbank-1.18.6.tar.gz
     /tmp/kaldi-native-fbank-1.18.6.tar.gz
     /star-fj/fangjun/download/github/kaldi-native-fbank-1.18.6.tar.gz
   )

@@ -9,8 +9,8 @@ function(download_kaldifst)
   # please pre-download kaldifst
   set(possible_file_locations
     $ENV{HOME}/Downloads/kaldifst-1.7.9.tar.gz
-    ${PROJECT_SOURCE_DIR}/kaldifst-1.7.9.tar.gz
-    ${PROJECT_BINARY_DIR}/kaldifst-1.7.9.tar.gz
+    ${CMAKE_SOURCE_DIR}/kaldifst-1.7.9.tar.gz
+    ${CMAKE_BINARY_DIR}/kaldifst-1.7.9.tar.gz
     /tmp/kaldifst-1.7.9.tar.gz
     /star-fj/fangjun/download/github/kaldifst-1.7.9.tar.gz
   )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=c46dbb2799605684193d8f3c1a4377c3478950ccdb7cc7bf49b
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
   /tmp/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
   /star-fj/fangjun/download/github/onnxruntime-linux-aarch64-static_lib-1.16.3.zip
 )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=784dbef93b40196aa668d29d78294a81c0d21361d36530b817b
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-aarch64-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-aarch64-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-aarch64-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-aarch64-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-aarch64-1.16.3.tgz
   /tmp/onnxruntime-linux-aarch64-1.16.3.tgz
   /star-fj/fangjun/download/github/onnxruntime-linux-aarch64-1.16.3.tgz
 )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=f5808e40f89c151b1b11bb01041d8b011850af5038758875863
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-arm-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-arm-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-arm-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-arm-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-arm-static_lib-1.16.3.zip
   /tmp/onnxruntime-linux-arm-static_lib-1.16.3.zip
   /star-fj/fangjun/download/github/onnxruntime-linux-arm-static_lib-1.16.3.zip
 )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=2fa5a10f3f5c188dd42f69306b010bc112cf35c1634a3893535
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-arm-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-arm-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-arm-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-arm-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-arm-1.16.3.zip
   /tmp/onnxruntime-linux-arm-1.16.3.zip
   /star-fj/fangjun/download/github/onnxruntime-linux-arm-1.16.3.zip
 )

@@ -27,8 +27,8 @@ set(onnxruntime_HASH "SHA256=bbdc33367c056029b3ac0c042cbca2236b8f59a3a53b4daf234
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-x64-gpu-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-x64-gpu-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-x64-gpu-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-x64-gpu-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-x64-gpu-1.16.3.tgz
   /tmp/onnxruntime-linux-x64-gpu-1.16.3.tgz
   /star-fj/fangjun/download/github/onnxruntime-linux-x64-gpu-1.16.3.tgz
 )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=ebf0f4f34d1720d8df7e0be0bc2553bcb1469c44121acb43c9d
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-x64-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-x64-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-x64-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-x64-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-x64-static_lib-1.16.3.zip
   /tmp/onnxruntime-linux-x64-static_lib-1.16.3.zip
   /star-fj/fangjun/download/github/onnxruntime-linux-x64-static_lib-1.16.3.zip
 )

@@ -23,8 +23,8 @@ set(onnxruntime_HASH "SHA256=b072f989d6315ac0e22dcb4771b083c5156d974a3496ac3504c
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-linux-x64-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-linux-x64-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-linux-x64-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-linux-x64-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-linux-x64-1.16.3.tgz
   /tmp/onnxruntime-linux-x64-1.16.3.tgz
   /star-fj/fangjun/download/github/onnxruntime-linux-x64-1.16.3.tgz
 )

@@ -21,8 +21,8 @@ set(onnxruntime_HASH "SHA256=0481532b262dac3d09845bf11dc8b93c493359947edc449e066
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-arm64-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-arm64-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-arm64-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-arm64-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-arm64-static_lib-1.16.3.zip
   /tmp/onnxruntime-osx-arm64-static_lib-1.16.3.zip
 )
 

@@ -21,8 +21,8 @@ set(onnxruntime_HASH "SHA256=30f3acaa17c51ccd7ae1f6c3d7ac3154031abb9f91a0eb834ae
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-arm64-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-arm64-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-arm64-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-arm64-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-arm64-1.16.3.tgz
   /tmp/onnxruntime-osx-arm64-1.16.3.tgz
 )
 

@@ -22,8 +22,8 @@ set(onnxruntime_HASH "SHA256=19e39beefbb6d103c1d4c5a2d64bfbd6dd4c21f37d6545170ce
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-universal2-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-universal2-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-universal2-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-universal2-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-universal2-static_lib-1.16.3.zip
   /tmp/onnxruntime-osx-universal2-static_lib-1.16.3.zip
 )
 

@@ -22,8 +22,8 @@ set(onnxruntime_HASH "SHA256=6428d0f0ff1386e8e8256a708e187c1f8861387c9554bfc9c5f
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-universal2-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-universal2-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-universal2-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-universal2-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-universal2-1.16.3.tgz
   /tmp/onnxruntime-osx-universal2-1.16.3.tgz
 )
 

@@ -21,8 +21,8 @@ set(onnxruntime_HASH "SHA256=c1444c34b8798aa5033e9247727262a2f2ae26a2dd6de076554
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
   /tmp/onnxruntime-osx-x86_64-static_lib-1.16.3.zip
 )
 

@@ -21,8 +21,8 @@ set(onnxruntime_HASH "SHA256=a395923ed91192e46bf50aec48d728dbf193dbd547ad50a231b
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-osx-x86_64-1.16.3.tgz
-  ${PROJECT_SOURCE_DIR}/onnxruntime-osx-x86_64-1.16.3.tgz
-  ${PROJECT_BINARY_DIR}/onnxruntime-osx-x86_64-1.16.3.tgz
+  ${CMAKE_SOURCE_DIR}/onnxruntime-osx-x86_64-1.16.3.tgz
+  ${CMAKE_BINARY_DIR}/onnxruntime-osx-x86_64-1.16.3.tgz
   /tmp/onnxruntime-osx-x86_64-1.16.3.tgz
 )
 

@@ -28,8 +28,8 @@ set(onnxruntime_HASH "SHA256=4facf5abd081accb64da0b4caa267d98e536427111f3246a3dd
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-win-x64-gpu-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-win-x64-gpu-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-win-x64-gpu-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-win-x64-gpu-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-win-x64-gpu-1.16.3.zip
   /tmp/onnxruntime-win-x64-gpu-1.16.3.zip
 )
 

@@ -24,8 +24,8 @@ set(onnxruntime_HASH "SHA256=5d49f4cd576c8a850dd61bf673315c9e6ec111b09ceb8193404
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
-  ${PROJECT_SOURCE_DIR}/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
-  ${PROJECT_BINARY_DIR}/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
+  ${CMAKE_SOURCE_DIR}/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
+  ${CMAKE_BINARY_DIR}/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
   /tmp/onnxruntime-win-x64-static_lib-1.16.3.tar.bz2
 )
 

@@ -24,8 +24,8 @@ set(onnxruntime_HASH "SHA256=5eb01f69bb2d9fa2893c88310bb5c1eb8d79e8c460810817eef
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-win-x64-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-win-x64-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-win-x64-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-win-x64-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-win-x64-1.16.3.zip
   /tmp/onnxruntime-win-x64-1.16.3.zip
 )
 

@@ -24,8 +24,8 @@ set(onnxruntime_HASH "SHA256=b291d25be9b6214d1ed058635a1fcaf5bb49b996c3d77b1a60b
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
-  ${PROJECT_SOURCE_DIR}/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
-  ${PROJECT_BINARY_DIR}/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
+  ${CMAKE_SOURCE_DIR}/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
+  ${CMAKE_BINARY_DIR}/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
   /tmp/onnxruntime-win-x86-static_lib-1.16.3.tar.bz2
 )
 

@@ -24,8 +24,8 @@ set(onnxruntime_HASH "SHA256=9731c6d43588b34fd9b74c704cbc2864ff4384820d7a7f17706
 # You can add more if you want.
 set(possible_file_locations
   $ENV{HOME}/Downloads/onnxruntime-win-x86-1.16.3.zip
-  ${PROJECT_SOURCE_DIR}/onnxruntime-win-x86-1.16.3.zip
-  ${PROJECT_BINARY_DIR}/onnxruntime-win-x86-1.16.3.zip
+  ${CMAKE_SOURCE_DIR}/onnxruntime-win-x86-1.16.3.zip
+  ${CMAKE_BINARY_DIR}/onnxruntime-win-x86-1.16.3.zip
   /tmp/onnxruntime-win-x86-1.16.3.zip
 )
 

@@ -9,8 +9,8 @@ function(download_piper_phonemize)
   # please pre-download kaldi-decoder
   set(possible_file_locations
     $ENV{HOME}/Downloads/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
-    ${PROJECT_SOURCE_DIR}/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
-    ${PROJECT_BINARY_DIR}/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
+    ${CMAKE_SOURCE_DIR}/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
+    ${CMAKE_BINARY_DIR}/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
     /tmp/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
     /star-fj/fangjun/download/github/piper-phonemize-6383e46b62e94c5cafc0c6a6212249ed8b9ed8d0.zip
   )

@@ -10,8 +10,8 @@ function(download_portaudio)
   set(possible_file_locations
     $ENV{HOME}/Downloads/pa_stable_v190700_20210406.tgz
     $ENV{HOME}/asr/pa_stable_v190700_20210406.tgz
-    ${PROJECT_SOURCE_DIR}/pa_stable_v190700_20210406.tgz
-    ${PROJECT_BINARY_DIR}/pa_stable_v190700_20210406.tgz
+    ${CMAKE_SOURCE_DIR}/pa_stable_v190700_20210406.tgz
+    ${CMAKE_BINARY_DIR}/pa_stable_v190700_20210406.tgz
     /tmp/pa_stable_v190700_20210406.tgz
     /star-fj/fangjun/download/github/pa_stable_v190700_20210406.tgz
   )

@@ -9,8 +9,8 @@ function(download_pybind11)
   # please pre-download pybind11
   set(possible_file_locations
     $ENV{HOME}/Downloads/pybind11-2.10.2.tar.gz
-    ${PROJECT_SOURCE_DIR}/pybind11-2.10.2.tar.gz
-    ${PROJECT_BINARY_DIR}/pybind11-2.10.2.tar.gz
+    ${CMAKE_SOURCE_DIR}/pybind11-2.10.2.tar.gz
+    ${CMAKE_BINARY_DIR}/pybind11-2.10.2.tar.gz
     /tmp/pybind11-2.10.2.tar.gz
     /star-fj/fangjun/download/github/pybind11-2.10.2.tar.gz
   )

@@ -10,8 +10,8 @@ function(download_websocketpp)
   # please pre-download websocketpp
   set(possible_file_locations
     $ENV{HOME}/Downloads/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
-    ${PROJECT_SOURCE_DIR}/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
-    ${PROJECT_BINARY_DIR}/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
+    ${CMAKE_SOURCE_DIR}/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
+    ${CMAKE_BINARY_DIR}/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
     /tmp/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
     /star-fj/fangjun/download/github/websocketpp-b9aeec6eaf3d5610503439b4fae3581d9aff08e8.zip
   )