RHEL 8 Compatibility (#387)

* More general capture of linux distro

* rearranging libraries to link

* Adding -ldl to input_byte_size_test build

* more robust detection of rhel-like distros

Author: nv-kmcgill53

CMakeLists.txt

@@ -221,15 +221,13 @@ if(NOT TRITON_CORE_HEADERS_ONLY)
   # Some libs are installed to ${TRITON_THIRD_PARTY_INSTALL_PREFIX}/{LIB}/lib64 instead
   # of ${TRITON_THIRD_PARTY_INSTALL_PREFIX}/{LIB}/lib on Centos
   set (LIB_DIR "lib")
-  # /etc/os-release does not exist on Windows
-  if(EXISTS "/etc/os-release")
-    file(STRINGS /etc/os-release DISTRO REGEX "^NAME=")
-    string(REGEX REPLACE "NAME=\"(.*)\"" "\\1" DISTRO "${DISTRO}")
-    message(STATUS "Distro Name: ${DISTRO}")
-    if(DISTRO MATCHES "CentOS.*")
+  if(LINUX)
+    file(STRINGS "/etc/os-release" DISTRO_ID_LIKE REGEX "ID_LIKE")
+    if(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
       set (LIB_DIR "lib64")
-    endif()
-  endif()
+    endif(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
+  endif(LINUX)
+  set(TRITON_CORE_HEADERS_ONLY OFF)
 
   # Need to use ExternalProject for our builds so that we can get the
   # correct dependencies between Triton shared library components and

src/test/CMakeLists.txt

@@ -672,6 +672,7 @@ if(${TRITON_ENABLE_GPU})
   target_link_libraries(
     input_byte_size_test
     PRIVATE
+      dl
       triton-common-error        # from repo-common
       triton-core
       triton-common-logging      # from repo-common
@@ -680,8 +681,8 @@ if(${TRITON_ENABLE_GPU})
       GTest::gtest_main
       GTest::gmock
       protobuf::libprotobuf
-      ${CNMEM_LIBRARY}
       CUDA::cudart
+      ${CNMEM_LIBRARY}
   )
 else()
   add_executable(