Help CMake find Clang's libraries.
Have it install the ICD file in the right place.

diff --git a/CMake/FindLLVM.cmake b/CMake/FindLLVM.cmake
index 5457f248..e8e8f94a 100644
--- a/CMake/FindLLVM.cmake
+++ b/CMake/FindLLVM.cmake
@@ -107,7 +107,7 @@ endif (LLVM_VERSION_NODOT VERSION_GREATER 34)
 macro(add_one_lib name)
   FIND_LIBRARY(CLANG_LIB
     NAMES ${name}
-    PATHS ${LLVM_LIBRARY_DIR} NO_DEFAULT_PATH)
+    PATHS ${CLANG_LIBRARY_DIR} NO_DEFAULT_PATH)
   set(CLANG_LIBRARIES ${CLANG_LIBRARIES} ${CLANG_LIB})
 	unset(CLANG_LIB CACHE)
 endmacro()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c11acbb2..fb99e5c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -217,7 +217,7 @@ IF(OCLIcd_FOUND)
     "intel-beignet.icd.in"
     "${ICD_FILE_NAME}"
   )
-  install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME} DESTINATION /etc/OpenCL/vendors)
+  install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME} DESTINATION etc/OpenCL/vendors COMPONENT config)
 ELSE(OCLIcd_FOUND)
   MESSAGE(STATUS "Looking for OCL ICD header file - not found")
   MESSAGE(FATAL_ERROR "OCL ICD loader miss. If you really want to disable OCL ICD support, please run cmake with option -DOCLICD_COMPAT=0.")
--
2.14.3

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<div class='path'>path: <a href='/guix/log/?id=a44569899a54d18a70b62498bec3774f0be3f66b&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=a44569899a54d18a70b62498bec3774f0be3f66b&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=a44569899a54d18a70b62498bec3774f0be3f66b&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=a44569899a54d18a70b62498bec3774f0be3f66b&amp;showmsg=1'>patches</a>/<a href='/guix/log/gnu/packages/patches/tclxml-3.2-install.patch?id=a44569899a54d18a70b62498bec3774f0be3f66b&amp;showmsg=1'>tclxml-3.2-install.patch</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/patches/tclxml-3.2-install.patch?id=a44569899a54d18a70b62498bec3774f0be3f66b'>Collapse</a>)</th><th class='left'>Author</th></tr>
-for-target): New procedure.
(perl-extutils-pkgconfig): Turn into a syntax that
conditionally expands to...
(cross-perl-extutils-pkgconfig): ... this when %current-target-system is set,
or...
(%perl-extutils-pkgconfig): ... this in a native compilation context.
[arguments]: New field.
[propagated-inputs]: Turn into...
[native-inputs]: ... this.
[native-search-paths]: New field.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-13 02:04:59 -0400'>2022-09-13</span></td><td><a href='/guix/commit/gnu/packages/pkg-config.scm?id=eda94d13d4b1845c398ceee34c6bff7364bceaa6'>gnu: Add pkgconf.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/pkg-config.scm (pkgconf): New variable.
</span></span></td><td>Maxim Cournoyer</td></tr>