I am trying to compile the conv-net library in my mac osx yosemite with xcode. I even set the flags to libstdc++ still it is not linking properly.
i still get undefined symbols for architecture x86_64. any help much appreciated.
sh-3.2# ./compile.sh Building conv-net library -- The C compiler identification is AppleClang 6.0.0.6000056 -- The CXX compiler identification is AppleClang 6.0.0.6000056 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Configuring done WARNING: Target "testimg" requests linking to directory "/usr/local/Cellar/opencv/2.4.9/lib". Targets may link only to libraries. CMake is dropping the item. WARNING: Target "testimg" requests linking to directory "/usr/local/Cellar/opencv/2.4.9/lib". Targets may link only to libraries. CMake is dropping the item. WARNING: Target "testmnist" requests linking to directory "/usr/local/Cellar/opencv/2.4.9/lib". Targets may link only to libraries. CMake is dropping the item. WARNING: Target "testmnist" requests linking to directory "/usr/local/Cellar/opencv/2.4.9/lib". Targets may link only to libraries. CMake is dropping the item. -- Generating done -- Build files have been written to: /var/tmp/conv-net-0.1-prealpha_buildroot Scanning dependencies of target cvconvnet [ 11%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvsubsamplingplane.cpp.o [ 22%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvconvolutionplane.cpp.o [ 33%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvgenericplane.cpp.o [ 44%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvsourceplane.cpp.o [ 55%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvrbfplane.cpp.o [ 66%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvmaxplane.cpp.o [ 77%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvconvnetparser.cpp.o [ 88%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvfastsigmoid.cpp.o [100%] Building CXX object CMakeFiles/cvconvnet.dir/src/cvconvnet.cpp.o /Users/prabhubalakrishnan/Desktop/conv-net/src/cvconvnet.cpp:169:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ 1 warning generated. Linking CXX static library libcvconvnet.a [100%] Built target cvconvnet Scanning dependencies of target testimg Linking CXX executable testimg Undefined symbols for architecture x86_64: "_main", referenced from: implicit entry/start for main executable ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [testimg] Error 1 make[1]: *** [CMakeFiles/testimg.dir/all] Error 2 make: *** [all] Error 2 cp: testimg: No such file or directory cp: testmnist: No such file or directory ls: illegal option -- I usage: ls [-ABCFGHLOPRSTUWabcdefghiklmnopqrstuwx1] [file ...] This is my make file
cmake_minimum_required(VERSION 3.0) PROJECT (CvConvolutionalNet) set (CMAKE_CXX_FLAGS " -stdlib=libstdc++") # IF() ENDIF() statements SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true) # Specify build-type as Debug if not specified already IF (NOT CMAKE_BUILD_TYPE) SET(CMAKE_BUILD_TYPE Debug) ENDIF () # Produce verbose makefiles # SET(CMAKE_VERBOSE_MAKEFILE ON) # Sources for library SET(CVCONVNET_SRCS src/cvsubsamplingplane.cpp src/cvconvolutionplane.cpp src/cvgenericplane.cpp src/cvsourceplane.cpp src/cvrbfplane.cpp src/cvmaxplane.cpp src/cvconvnetparser.cpp src/cvfastsigmoid.cpp src/cvconvnet.cpp ) # Sources for test files SET(TESTIMG_SRCS tst/) SET(TESTMNIST_SRCS tst/) set (CV_H /usr/local/Cellar/opencv/2.4.9/include/opencv) set (HIGHGUI_H src/include ) set (LIBCV /usr/local/Cellar/opencv/2.4.9/lib ) set (LIBHIGHGUI /usr/local/Cellar/opencv/2.4.9/lib ) # Here are common paths (in addition to default paths) SET (INCLUDE_SEARCH_PATH /usr/local/include /usr/include /usr/include/opencv/ /usr/include/opencv/ c:/program\ files/opencv/include ) SET (LIBRARY_SEARCH_PATH /usr/local/lib /usr/lib c:/program\ files/opencv/lib c:/windows/system32 ) # Find OpenCV and Expat FIND_PATH(CV_H NAMES cv.h PATHS ${INCLUDE_SEARCH_PATH} ) FIND_PATH(HIGHGUI_H NAMES highgui.h PATHS ${INCLUDE_SEARCH_PATH} ) FIND_PATH(EXPAT_H NAMES expat.h PATHS ${INCLUDE_SEARCH_PATH} ) FIND_LIBRARY(LIBCV NAMES cv PATHS ${LIBRARY_SEARCH_PATH} ) FIND_LIBRARY(LIBHIGHGUI NAMES highgui PATHS ${LIBRARY_SEARCH_PATH} ) FIND_LIBRARY(LIBEXPAT NAMES expat PATHS ${LIBRARY_SEARCH_PATH} ) INCLUDE_DIRECTORIES(include/ ${CV_H} ${HIGHGUI_H} ${EXPAT_H}) # Here is out library ADD_LIBRARY(cvconvnet STATIC ${CVCONVNET_SRCS}) # Here are our test programs ADD_EXECUTABLE(testimg ${TESTIMG_SRCS}) ADD_EXECUTABLE(testmnist ${TESTMNIST_SRCS}) # Compiler options are different for Release and Debug IF (CMAKE_BUILD_TYPE MATCHES Release) # Highly optimized + cancel all assert()s ADD_DEFINITIONS(-O3 -DNDEBUG) ELSE () # Include debug info, profiling info, some text output ADD_DEFINITIONS(-O -pg -g -DDEBUG) # Set profiling for linker too SET_TARGET_PROPERTIES(testmnist PROPERTIES LINK_FLAGS "-pg") ENDIF () # We should link our test programs to libraries TARGET_LINK_LIBRARIES(testimg cvconvnet ${LIBCV} ${LIBHIGHGUI} ${LIBEXPAT}) TARGET_LINK_LIBRARIES(testmnist cvconvnet ${LIBCV} ${LIBHIGHGUI} ${LIBEXPAT})