[yocto] LLVM linking for custom recipe

[Giordon Stark]

Hi,

I have the following error message when trying to get LLVM linked up. The
problem is that I'm using a widely used science software called ROOT (
https://root.cern.ch/) with the following minimal recipe at the moment (
https://github.com/kratsg/meta-l1calo/blob/master/recipes-core/root/root_6.04.12.bb)
however I get the following error...

Any ideas?

Giordon

| CMake Error at cmake/modules/SearchInstalledSoftware.cmake:662
(find_package):
|   By not providing "FindLLVM.cmake" in CMAKE_MODULE_PATH this project has
|   asked CMake to find a package configuration file provided by "LLVM", but
|   CMake did not find one.
|
|   Could not find a package configuration file provided by "LLVM" with any
of
|   the following names:
|
|     LLVMConfig.cmake
|     llvm-config.cmake
|
|   Add the installation prefix of "LLVM" to CMAKE_PREFIX_PATH or set
|   "LLVM_DIR" to a directory containing one of the above files.  If "LLVM"
|   provides a separate development package or SDK, be sure it has been
|   installed.
| Call Stack (most recent call first):
|   CMakeLists.txt:58 (include)
|
|
| -- Configuring incomplete, errors occurred!
| See also
"/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/build/CMakeFiles/CMakeOutput.log".
| See also
"/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/build/CMakeFiles/CMakeError.log".
| WARNING:
/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/temp/run.do_configure.16761:1
exit 1 from 'cmake ${OECMAKE_SITEFILE}
/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/root-6.04.12
-DCMAKE_INSTALL_PREFIX:PATH=/usr -DCMAKE_INSTALL_BINDIR:PATH=bin
-DCMAKE_INSTALL_SBINDIR:PATH=sbin -DCMAKE_INSTALL_LIBEXECDIR:PATH=libexec
-DCMAKE_INSTALL_SYSCONFDIR:PATH=/etc
-DCMAKE_INSTALL_SHAREDSTATEDIR:PATH=../com
-DCMAKE_INSTALL_LOCALSTATEDIR:PATH=/var -DCMAKE_INSTALL_LIBDIR:PATH=lib
-DCMAKE_INSTALL_INCLUDEDIR:PATH=include
-DCMAKE_INSTALL_DATAROOTDIR:PATH=share -DCMAKE_INSTALL_SO_NO_EXE=0
-DCMAKE_TOOLCHAIN_FILE=/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/toolchain.cmake
-DCMAKE_VERBOSE_MAKEFILE=1 -DCMAKE_NO_SYSTEM_FROM_IMPORTED=1 -Drootfit=ON
-Dminuit2=ON -Dpython=ON -Dssl=ON -Dxrootd=ON -Dbuiltin_freetype=ON
-Dbuiltin_llvm=OFF ${PACKAGECONFIG_CONFARGS} -Wno-dev'
| ERROR: Function failed: do_configure (log file is located at
/local/d4/poky/build/tmp/work/aarch64-poky-linux/root/6.04.12-r0/temp/log.do_configure.16761)
ERROR: Task (/local/d4/meta-l1calo/recipes-core/root/root_6.04.12.bb:do_configure)
failed with exit code '1'
NOTE: Tasks Summary: Attempted 1027 tasks of which 1024 didn't need to be
rerun and 1 failed.

Summary: 1 task failed:
  /local/d4/meta-l1calo/recipes-core/root/root_6.04.12.bb:do_configure
Summary: There was 1 ERROR message shown, returning a non-zero exit code.
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