Hello everyone,
I am new to using CMake and I am trying to compile a program that uses two
libraries, one of which needs to be built using CMake, and the other, that
utilizes its own build system(the Makefiles were generated using ./configure).
The two libraries are CGAL and SOLID (for collision detection).
CGAL provides a script, cgal_create_cmake_script , that produces the
CMakeLists.txt file for an executable that includes the CGAL library. I can
build my executable fine using cmake and make when I only try to include CGAL.
When I try to include SOLID, I have issues with finding class definitions
during
linking, i.e. I get errors of the type:
/home/zoeymccarthy/hybrid_PRM/CollisionChecker.h:146: undefined reference to
`DT_GenResponseClass'
SOLID is installed in /usr/local/include/SOLID/ and /usr/include/SOLID/. The
header files for the library were installed there, but I have since tried
copying the rest of the files associated with the library there since the
compiler was able to locate the header files.
This is the CMakeLists.txt that the CGAL script generated for my project:
# Created by the script cgal_create_cmake_script
# This is the CMake script for compiling a CGAL application.
project( hybrid_PRM_demo )
CMAKE_MINIMUM_REQUIRED(VERSION 2.4.5)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if ( COMMAND cmake_policy )
cmake_policy( SET CMP0003 NEW )
endif()
find_package(CGAL QUIET COMPONENTS Core Qt3 )
if ( CGAL_FOUND )
include( ${CGAL_USE_FILE} )
find_package(Qt3-patched QUIET )
# FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
# that it can be used together with FindQt4: all its variables are prefixed
# by "QT3_" instead of "QT_".
if(CGAL_Qt3_FOUND AND QT3_FOUND)
include( Qt3Macros-patched )
qt3_automoc( main.cpp )
# Make sure the compiler can find generated .moc files
include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
include_directories( ${QT3_INCLUDE_DIR} )
add_executable (hybrid_PRM_demo main.cpp)
add_to_cached_list( CGAL_EXECUTABLE_TARGETS hybrid_PRM_demo )
# Link the executable to CGAL and third-party libraries
target_link_libraries(hybrid_PRM_demo ${QT3_LIBRARIES} ${CGAL_LIBRARIES}
${CGAL_3RD_PARTY_LIBRARIES} )
else()
message(STATUS "NOTICE: This demo requires Qt3 and the CGAL Qt3 library,
and
will not be compiled.")
endif()
else()
message(STATUS "NOTICE: This demo requires the CGAL library, and will not
be
compiled.")
endif()
As you can see, there is no reference to SOLID. How should I modify it so that
the resulting Makefile will know where to link to my SOLID object files, given
that SOLID has no .cmake file associated with it, and the library was built
without any CMakeLists.txt files? I've tried adding the following two lines:
include_directories(/usr/include/SOLID/)
link_directories(/usr/include/SOLID/)
to the middle of my CMakeLists.txt (before if ( CGAL_FOUND) ), but it results
in
the same error.
I'm sorry if this is a stupid question, but for the life of me I can't get it
to
work.
Thank you for your help,
Zoey
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