Public bug reported:
While trying to embed LLVM in my project via using CMake scripts as
advised in the documentation (http://llvm.org/docs/CMake.html#embedding-
llvm-in-your-project) I get a weird CMake Error and therefore I claim
llvm-dev package's CMake setup to be broken. This problem appeared
several times on GitHub and Stackoverflow, but doesn't seem to be
resolved.
This is critical for me, though.
The release of Ubuntu: Ubuntu 16.04.1 LTS
llvm-dev package version: 1:3.8-33ubuntu3.1
I expected the minimal CMake project setup to work:
```
$ cat CMakeLists.txt
cmake_minimum_required(VERSION 3.4.3)
project(SimpleProject)
find_package(LLVM REQUIRED CONFIG)
set(CMAKE_CXX_STANDARD 14)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
# Set your project compile flags.
# E.g. if using the C++ header files
# you will need to enable C++11 support
# for your compiler.
include_directories(${LLVM_INCLUDE_DIRS})
add_definitions(${LLVM_DEFINITIONS})
# Now build our tools
add_executable(simple-tool main.cpp)
# Find the libraries that correspond to the LLVM components
# that we wish to use
# llvm_map_components_to_libnames(llvm_libs support core irreader)
# Link against LLVM libraries
# target_link_libraries(simple-tool ${llvm_libs})
```
However, I got this:
```
cmake -G Ninja ../../../src/project-name/
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler using: Ninja
-- Check for working C compiler using: Ninja -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler using: Ninja
-- Check for working CXX compiler using: Ninja -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at /usr/share/llvm-3.8/cmake/LLVMConfig.cmake:178 (include):
include could not find load file:
/usr/share/llvm/cmake/LLVMExports.cmake
Call Stack (most recent call first):
CMakeLists.txt:4 (find_package)
CMake Error at /usr/share/llvm-3.8/cmake/LLVMConfig.cmake:181 (include):
include could not find load file:
/usr/share/llvm/cmake/LLVM-Config.cmake
Call Stack (most recent call first):
CMakeLists.txt:4 (find_package)
-- Found LLVM 3.8.0
-- Using LLVMConfig.cmake in: /usr/share/llvm-3.8/cmake
-- Configuring incomplete, errors occurred!
See also
"/home/omtcyfz/dev/build/Debug/project-name/CMakeFiles/CMakeOutput.log".
```
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: llvm-dev 1:3.8-33ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Jan 9 23:58:18 2017
InstallationDate: Installed on 2016-11-28 (41 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: llvm-defaults
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: llvm-defaults (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
--
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https://bugs.launchpad.net/bugs/1655148
Title:
CMake scripts for LLVM-dev Ubuntu package appears to be broken
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