For example, I have a project `test' which needs a 3rd-party software `hello'. The directory structure looks like this:<br><br>test/test.c<br>test/CMakeLists.txt<br>test/build <-- I run cmake in this directory<br>
test/hello/hello.c<br>test/hello/main.c<br>test/hello/Makefile<br><br>hello's Makefile will create a lib `test/hello/libhello.so' and an exe `test/hello/hello'. `test/test.c' depends on `libhello.so' to compile.
<br>I write a CMakeLists.txt like this but it does not work:<br><br>### BEGIN ###<br><br>PROJECT(test)<br><br>SET(CMAKE_VERBOSE_MAKEFILE ON)<br><br>SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)<br>SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
<br><br>LINK_DIRECTORIES(${LIBRARY_OUTPUT_PATH})<br><br>SET(hellodir ${PROJECT_SOURCE_DIR}/hello)<br>SET(hellolib ${LIBRARY_OUTPUT_PATH}/libhello.so)<br>SET(helloexe ${EXECUTABLE_OUTPUT_PATH}/hello)<br>ADD_CUSTOM_COMMAND(
<br> OUTPUT ${hellolib} ${helloexe}<br> COMMAND make -C ${hellodir}<br> COMMAND cp ${hellodir}/libhello.so ${hellolib}<br> COMMAND cp ${hellodir}/hello ${helloexe}<br>)<br><br>ADD_EXECUTABLE(test test.c)<br>TARGET_LINK_LIBRARIES(test ${hellolib})
<br><br>### END ###<br><br>Following is the output of make:<br><br>$ make<br>/usr/local/cmake-2.4.6/bin/cmake -H/root/tmp/cmake -B/root/tmp/cmake/b --check-build-system CMakeFiles/Makefile.cmake 0<br>/usr/local/cmake-2.4.6
/bin/cmake -E cmake_progress_start /root/tmp/cmake/b/CMakeFiles 1<br>make -f CMakeFiles/Makefile2 all<br>make[1]: Entering directory `/root/tmp/cmake/b'<br>make -f CMakeFiles/test.dir/build.make CMakeFiles/test.dir/depend
<br>make[2]: Entering directory `/root/tmp/cmake/b'<br>Scanning dependencies of target test<br>cd /root/tmp/cmake/b && /usr/local/cmake-2.4.6/bin/cmake -E cmake_depends "Unix Makefiles" /root/tmp/cmake /root/tmp/cmake /root/tmp/cmake/b /root/tmp/cmake/b /root/tmp/cmake/b/CMakeFiles/test.dir/DependInfo.cmake
<br>make[2]: Leaving directory `/root/tmp/cmake/b'<br>make -f CMakeFiles/test.dir/build.make CMakeFiles/test.dir/build<br>make[2]: Entering directory `/root/tmp/cmake/b'<br>/usr/local/cmake-2.4.6/bin/cmake -E cmake_progress_report /root/tmp/cmake/b/CMakeFiles 1
<br>[100%] Building C object CMakeFiles/test.dir/test.o<br>/usr/bin/gcc -o CMakeFiles/test.dir/test.o -c /root/tmp/cmake/test.c<br>make[2]: *** No rule to make target `lib/libhello.so', needed by `bin/test'. Stop.
<br>make[2]: Leaving directory `/root/tmp/cmake/b'<br>make[1]: *** [CMakeFiles/test.dir/all] Error 2<br>make[1]: Leaving directory `/root/tmp/cmake/b'<br>make: *** [all] Error 2<br>$<br><br>So, how can I integrate 3rd-party software into my own project?
<br><br>Thank you.<br>