I am trying to build an application using boost with CMake on Ubuntu
9.04. This is the content of my CMakeList.txt file:
cmake_minimum_required(VERSION 2.6)
IF(Boost_unit_test_framework_LIBRARY)
GET_FILENAME_COMPONENT(LIB_EXTENSION ${Boost_unit_test_framework_LIBRARY} EXT)
IF(LIB_EXTENSION STREQUAL ".so")
ADD_DEFINITIONS(-DBOOST_TEST_DYN_LINK)
ENDIF(LIB_EXTENSION STREQUAL ".so")
ENDIF(Boost_unit_test_framework_LIBRARY)
SUBDIRS(mytests)
FIND_PATH(BOOST_LIB REQUIRED)
INCLUDE_DIRECTORIES(${BOOST_LIB})
ADD_EXECUTABLE(unit_test_text src/unit_test_text.cpp)
TARGET_LINK_LIBRARIES(unit_test_text ${Boost_unit_test_framework_LIBRARY} )
ADD_TEST( unit_test_text unit_test_text )
After running CMake with the above file I run make from the build dir.
But I get this error:
Scanning dependencies of target unit_test_text_file_reader
[100%] Building CXX object
mytests/text/CMakeFiles/unit_test_text.dir/src/unit_test_text.cpp.o
Linking CXX executable unit_test_text
/usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/crt1.o: In
function `_start':
/build/buildd/glibc-2.9/csu/../sysdeps/x86_64/elf/start.S:109:
undefined reference to `main'
CMakeFiles/unit_test_text_file_reader.dir/src/unit_test_text.cpp.o: In
function `global constructors keyed to _Z20init_unit_test_suiteiPPc':
This smells of missing linker commands in my CMakeLists.txt file, but
what should I link against?
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