[DynInst_API:] out of tree builds

[Stan Cox <scox@xxxxxxxxxx>]

Anyone else see this with out of tree builds using upstream sources? 
It ends up configuring dyninstAPI_RT in the source dir.  This is with 
vanilla upstream dyninst sources on fc33 (cmake-3.19.7-1.fc33.x86_64)
The top level cmake shows:

DYNINST/src/CMakeLists.txt(105):  message(STATUS Configuring 
DyninstAPI_RT in DYNINST/bld/dyninstAPI_RT )
-- Configuring DyninstAPI_RT in DYNINST/bld/dyninstAPI_RT
DYNINST/src/CMakeLists.txt(106):  file(REMOVE_RECURSE 
DYNINST/bld/dyninstAPI_RT/CMakeCache.txt 
DYNINST/bld/dyninstAPI_RT/CMakeFiles DYNINST/bld/dyninstAPI_RT/Makefile )
DYNINST/src/CMakeLists.txt(107):  file(MAKE_DIRECTORY 
DYNINST/bld/dyninstAPI_RT )
DYNINST/src/CMakeLists.txt(108):  set(RT_C_COMPILER /usr/lib64/ccache/cc 
CACHE STRING Compiler for runtime library )
DYNINST/src/CMakeLists.txt(109):  set(ENABLE_STATIC_LIBS NO CACHE STRING 
Build static libraries as well? )
DYNINST/src/CMakeLists.txt(110):  message(STATUS Configuring RT library )
-- Configuring RT library
DYNINST/src/CMakeLists.txt(112):  execute_process(WORKING_DIRECTORY 
DYNINST/bld/dyninstAPI_RT COMMAND /usr/bin/cmake 
-DCMAKE_C_COMPILER=/usr/lib64/ccache/cc 
-DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=DYNINST/install 
-DCMAKE_PREFIX_PATH= -DINSTALL_LIB_DIR=DYNINST/install/lib 
-DINSTALL_INCLUDE_DIR=DYNINST/install/include -DCMAKE_C_FLAGS= 
-fvisibility=hidden -W -Wall -Wpointer-arith -Wcast-qual -Wcast-align 
-DBUILD_RTLIB_32=OFF -DPLATFORM=x86_64-unknown-linux2.4 -G Unix 
Makefiles DYNINST/src/dyninstAPI_RT )
CMake Deprecation Warning at CMakeLists.txt:3 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future 
version of
  CMake.
  Update the VERSION argument <min> value or use a DYNINST.<max> suffix 
to tell
  CMake that the project does not need compatibility with older versions.
-- -- Input platform: x86_64-unknown-linux2.4
-- Set arch and platform based definitions
-- Options set
-- Set optimization flags
-- dyninstAPI RT library SOVERSION: 10.2
-- dyninstAPI RT library LIBVERSION: 10.2.1
-- Checking for 32-bit runtime libraryDYNINST.
-- Disabling 32-bit runtime library; change BUILD_RTLIB_32 to ON and 
install 32-bit build environment to enable
-- Configuring done
-- Generating done
-- Build files have been written to: DYNINST/src/dyninstAPI_RT


Tracing within dyninstAPI_RT and comparing 10.2.1 to upstream 10.2.1, 
the macro expansion is considerably different with 10.2.1 initially 
expanding with /usr/share/cmake/Modules/CMakeDetermineSystem.cmake and 
upstream with 
/work/scox/dyninst/src/dyninstAPI_RT/CMakeFiles/3.19.7/CMakeSystem.cmake
upstream
 Build files have been written to: /work/scox/dyninst/src/dyninstAPI_RT
10.2.1
 Build files have been written to: 
/work/scox/dyn/rh-release/gcctoolset-10/rhel-8.4-test/dyninst-10.2.1-1.el8/BUILD/dyninst-10.2.1/bld/dyninstAPI_RT