[Bug 43852] New: FTBFS: file INSTALL cannot find "/builddir/build/BUILD/lldb-9.0.0.src/clr-build/./lib64/python3.7".

Bug ID 43852
Summary FTBFS: file INSTALL cannot find “/builddir/build/BUILD/lldb-9.0.0.src/clr-build/./lib64/python3.7”.
Product lldb
Version 9.0
Hardware PC
OS Linux
Status NEW
Severity enhancement
Priority P
Component All Bugs
Assignee lldb-dev@lists.llvm.org
Reporter thiago@kde.org
CC jdevlieghere@apple.com, llvm-bugs@lists.llvm.org

(Failure to build from source)

When building lldb 9.0.0 on Clear Linux, with Python 3.7, lldb fails to build.

Configured as:
cmake -G 'Unix Makefiles' -DBUILD_SHARED_LIBS:BOOL=ON
-DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_SBINDIR=/usr/bin
-DCMAKE_INSTALL_LIBDIR=/usr/lib64 -DLIB_INSTALL_DIR=/usr/lib64 -DLIB_SUFFIX=64
-DCMAKE_AR=/usr/bin/gcc-ar -DCMAKE_BUILD_TYPE=RelWithDebInfo
-DCMAKE_RANLIB=/usr/bin/gcc-ranlib ..  -DLLVM_HOST_TRIPLE=x86_64-generic-linux
-DLLVM_LIBDIR_SUFFIX=64 -DLLVM_LINK_LLVM_DYLIB:BOOL=ON
-DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python3

Build succeeds, but fails to install:

-- Installing:
/builddir/build/BUILDROOT/lldb-9.0.0-2.x86_64/usr/include/lldb/Host/ProcessLauncher.h
-- Up-to-date: /builddir/build/BUILDROOT/lldb-9.0.0-2.x86_64/usr/include
-- Up-to-date: /builddir/build/BUILDROOT/lldb-9.0.0-2.x86_64/usr/include/lldb
-- Up-to-date:
/builddir/build/BUILDROOT/lldb-9.0.0-2.x86_64/usr/include/lldb/Host
-- Installing:
/builddir/build/BUILDROOT/lldb-9.0.0-2.x86_64/usr/include/lldb/Host/Config.h
CMake Error at scripts/cmake_install.cmake:41 (file):
  file INSTALL cannot find
  "/builddir/build/BUILD/lldb-9.0.0.src/clr-build/./lib64/python3.7".
Call Stack (most recent call first):
  cmake_install.cmake:50 (include)

make: *** [Makefile:74: install] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.GgR7lj (%install)

Python info:

$ python -c 'import sys; print(sys.implementation); print(sys.path)' 
namespace(_multiarch='x86_64-linux-gnu', cache_tag='cpython-37',
hexversion=50791920, name='cpython', version=sys.version_info(major=3, minor=7,
micro=5, releaselevel='final', serial=0))
['', '/usr/lib/python37.zip', '/usr/lib/python3.7',
'/usr/lib/python3.7/lib-dynload', '/usr/lib/python3.7/site-packages']

Full build log attached.