build(cmake): make CV-CUDA buildable for Jetson

- libcudart on Jetson (CUDA 11.8) requires shm_open symbol which is provided by librt, without it linker complains about a missing symbol. This PR makes sure that whenever libcudart is linked -lrt linker flag is added as well Fixes CVCUDA-450 Signed-off-by: Janusz Lisiecki <[email protected]>
CVCUDA · JanuszL · Aug 3, 2023 · Aug 9, 2023 · 649ef15723129ddc46a983ca8f2c258d7aa63890
commit 649ef15723129ddc46a983ca8f2c258d7aa63890
diff --git a/python/mod_cvcuda/CMakeLists.txt b/python/mod_cvcuda/CMakeLists.txt
@@ -75,6 +75,7 @@ target_link_libraries(cvcuda_module_python
         nvcv_util_compat
         cvcuda
         nvcv_python_common
+        -lrt
 )
 
 set_target_properties(cvcuda_module_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/python)
diff --git a/python/mod_nvcv/CMakeLists.txt b/python/mod_nvcv/CMakeLists.txt
@@ -79,6 +79,7 @@ target_link_libraries(nvcv_module_python
         nvcv_python_common
         CUDA::cudart_static
         dlpack::dlpack
+        -lrt
 )
 
 add_library(pynvcv INTERFACE)

diff --git a/src/cvcuda/CMakeLists.txt b/src/cvcuda/CMakeLists.txt
@@ -61,6 +61,7 @@ target_link_libraries(cvcuda
     PUBLIC
         CUDA::cudart_static
         nvcv_types
+        -lrt
     PRIVATE
         nvcv_util
         nvcv_util_symver

diff --git a/src/cvcuda/priv/CMakeLists.txt b/src/cvcuda/priv/CMakeLists.txt
@@ -64,4 +64,5 @@ target_link_libraries(cvcuda_priv
         nvcv_util_sanitizer
         cvcuda_legacy
         CUDA::cudart_static
+        -lrt
 )
diff --git a/src/cvcuda/priv/legacy/CMakeLists.txt b/src/cvcuda/priv/legacy/CMakeLists.txt
@@ -81,4 +81,5 @@ target_link_libraries(cvcuda_legacy
         nvcv_types
         nvcv_util
         cvcuda_headers
+        -lrt
 )
diff --git a/src/nvcv_types/priv/CMakeLists.txt b/src/nvcv_types/priv/CMakeLists.txt
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -48,4 +48,5 @@ target_link_libraries(nvcv_types_priv
         nvcv_types_headers
         nvcv_util_sanitizer
         CUDA::cudart_static
+        -lrt
 )
diff --git a/src/util/CMakeLists.txt b/src/util/CMakeLists.txt
@@ -190,6 +190,7 @@ target_link_libraries(nvcv_util
         nvcv_types_headers
         CUDA::cudart_static
         nvcv_util_compat
+        -lrt
 )
 
 target_compile_definitions(nvcv_util

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
@@ -30,6 +30,7 @@ target_link_libraries(nvcv_test_main
     PRIVATE
         nvcv_types
         CUDA::cudart_static
+        -lrt
 )
 
 # Now we want to create a script in the output directory that will run