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What is an undefined reference/unresolved external symbol error and how do I fix it?
(39 answers)
Linux c++ error: undefined reference to 'dlopen'
(12 answers)
Closed 4 years ago.
I need some basic understanding,
I have 4 files in this folder
Makefile , libfoo_8_3.so , libfoo_9_3.so , test.c
I compile test.c to make object file test.o and .d file. This Compiles fine
Those two dynamic libraries (libfoo_8_3.so libfoo_9_3.so)are used by my c program
I wanted to make executable.
I am using Makefile, because I needed headers and structures from c files present in the different folder.
I want to make an executable binary,
when I do something like
gcc -fno-builtin-log -fno-omit-frame-pointer -msse2 -DMEMS_DEBUG -DMEMS_DISABLED -D__HMAP_64BIT_COMPLIANT_ID_LENGTH__ -DNETOID_LINUX -D_REENTRANT -DXML_BYTE_ORDER=12 -DNX_BYTE_ORDER=12 -DTHIRTY_TWO_BIT -DALLOW_ISERVER_H323 -D_POSIX_PTHREAD_SEMANTICS -DMEMS_DEBUG -ggdb -L/usr/local/lib -L/usr/lib64 -L/SBC/lib/x86_64 -L/SBC/pkgs_x86_64/def/lib -L/SBC/bin/x86_64 -I(Include many folders)
-o test test.o
This gives me following error ->
est.o: In function `main':
/SBC/ser/test.c:33: undefined reference to `dlopen'
/SBC/ser/test.c:35: undefined reference to `dlopen'
/SBC/ser/test.c:50: undefined reference to `dlsym'
/SBC/ser/test.c:52: undefined reference to `dlsym'
/SBC/ser/test.c:68: undefined reference to `tracer_tag_key'
/SBC/ser/test.c:68: undefined reference to `pthread_getspecific'
/SBC/ser/test.c:68: undefined reference to `netLogStruct'
/SBC/ser/test.c:68: undefined reference to `NetLogModuleFacilities'
/SBC/ser/test.c:68: undefined reference to `NetLogModuleNames'
/SBC/ser/test.c:68: undefined reference to `NetSyslogSprintf'
/SBC/ser/test.c:68: undefined reference to `netLogStruct'
/SBC/ser/test.c:68: undefined reference to `NetLogModuleNames'
/SBC/ser/test.c:74: undefined reference to `tracer_tag_key'
/SBC/ser/test.c:74: undefined reference to `pthread_getspecific'
/SBC/ser/test.c:74: undefined reference to `netLogStruct'
/SBC/ser/test.c:74: undefined reference to `NetLogModuleFacilities'
/SBC/ser/test.c:74: undefined reference to `NetLogModuleNames'
/SBC/ser/test.c:74: undefined reference to `NetSyslogSprintf'
/SBC/ser/test.c:74: undefined reference to `netLogStruct'
/SBC/ser/test.c:74: undefined reference to `NetLogModuleNames'
/SBC/ser/test.c:82: undefined reference to `tracer_tag_key'
/SBC/ser/test.c:82: undefined reference to `pthread_getspecific'
/SBC/ser/test.c:82: undefined reference to `netLogStruct'
/SBC/ser/test.c:82: undefined reference to `NetLogModuleFacilities'
/SBC/ser/test.c:82: undefined reference to `NetLogModuleNames'
/SBC/ser/test.c:82: undefined reference to `NetSyslogSprintf'
/SBC/ser/test.c:82: undefined reference to `netLogStruct'
/SBC/ser/test.c:82: undefined reference to `NetLogModuleNames'
I need a proper understanding of this , or how can I resolve this ?
I have been having trouble with the Fast Artificial Neural Network (FANN) library. I can't seem to get it completely working on my system. I think I am missing some dependency, but I can't seem to figure out how to fix it.
I am on Ubuntu, but I decided to clone the repository from GitHub rather than use apt-get. I cloned to the directory /home/lucas/includes/fann and from that directory I performed cmake ., and finally sudo make install like instructed at the GitHub readme.
Some parts of the library work, but some crash. Here is my example file:
#include <iostream>
#include <fann.h>
#include <fann_cpp.h>
using namespace std;
using namespace FANN;
int main(int argc, char** argv) {
fann_type** input_data;
//training_data training_data;
return 0;
}
Here is my CMake file:
cmake_minimum_required(VERSION 2.8.4)
project(FANN_sin)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
include_directories(/usr/local/include/)
include_directories(/usr/local/lib/)
set(SOURCE_FILES main.cpp)
add_executable(FANN_sin ${SOURCE_FILES})
target_link_libraries(FANN_sin /usr/local/lib/libfann.a)
When I run the code with the training_data training_data commented out, it compiles and runs. However, when I try to run with that part uncommented, the project won't make.
Here are the errors:
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_batch_parallel._omp_fn.1':
floatfann.c:(.text+0x20): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0x28): undefined reference to `omp_get_thread_num'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_irpropm_parallel._omp_fn.3':
floatfann.c:(.text+0x116): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0x11e): undefined reference to `omp_get_thread_num'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_quickprop_parallel._omp_fn.5':
floatfann.c:(.text+0x304): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0x30c): undefined reference to `omp_get_thread_num'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_sarprop_parallel._omp_fn.7':
floatfann.c:(.text+0x592): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0x59a): undefined reference to `omp_get_thread_num'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_batch_parallel._omp_fn.0':
floatfann.c:(.text+0xf375): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0xf37d): undefined reference to `omp_get_thread_num'
floatfann.c:(.text+0xf3dd): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_irpropm_parallel._omp_fn.2':
floatfann.c:(.text+0xf4c5): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0xf4cd): undefined reference to `omp_get_thread_num'
floatfann.c:(.text+0xf52d): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_quickprop_parallel._omp_fn.4':
floatfann.c:(.text+0xf615): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0xf61d): undefined reference to `omp_get_thread_num'
floatfann.c:(.text+0xf67d): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_sarprop_parallel._omp_fn.6':
floatfann.c:(.text+0xf765): undefined reference to `omp_get_num_threads'
floatfann.c:(.text+0xf76d): undefined reference to `omp_get_thread_num'
floatfann.c:(.text+0xf7cd): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_batch_parallel':
floatfann.c:(.text+0x13a9a): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x13aa1): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x13ac5): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x13ad4): undefined reference to `GOMP_parallel_end'
floatfann.c:(.text+0x13b09): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x13b10): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x13b48): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x13b57): undefined reference to `GOMP_parallel_end'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_irpropm_parallel':
floatfann.c:(.text+0x13e6d): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x13e74): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x13e98): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x13ea7): undefined reference to `GOMP_parallel_end'
floatfann.c:(.text+0x13f09): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x13f10): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x13f79): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x13f88): undefined reference to `GOMP_parallel_end'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_quickprop_parallel':
floatfann.c:(.text+0x142ad): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x142b4): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x142d8): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x142e7): undefined reference to `GOMP_parallel_end'
floatfann.c:(.text+0x14355): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x1435c): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x143dd): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x143ec): undefined reference to `GOMP_parallel_end'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_sarprop_parallel':
floatfann.c:(.text+0x1470d): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x14714): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x14738): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x14747): undefined reference to `GOMP_parallel_end'
floatfann.c:(.text+0x1483d): undefined reference to `omp_set_dynamic'
floatfann.c:(.text+0x14844): undefined reference to `omp_set_num_threads'
floatfann.c:(.text+0x1492a): undefined reference to `GOMP_parallel_start'
floatfann.c:(.text+0x14939): undefined reference to `GOMP_parallel_end'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_batch_parallel._omp_fn.0':
floatfann.c:(.text+0xf4a4): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_irpropm_parallel._omp_fn.2':
floatfann.c:(.text+0xf5f4): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_quickprop_parallel._omp_fn.4':
floatfann.c:(.text+0xf744): undefined reference to `GOMP_barrier'
/usr/local/lib/libfann.a(floatfann.c.o): In function `fann_train_epoch_sarprop_parallel._omp_fn.6':
floatfann.c:(.text+0xf894): undefined reference to `GOMP_barrier'
collect2: error: ld returned 1 exit status
make[2]: *** [FANN_sin] Error 1
make[1]: *** [CMakeFiles/FANN_sin.dir/all] Error 2
make: *** [all] Error 2
I researched the errors, and I assume they are referring GOMP, an OpenMP implementation for GCC. I currently have GCC version 4.8.4. I have the support library package libgomp1 from apt-get installed also, so I'm not sure what the problem is.
Did I miss something? Thanks.
I am trying to make .lib file of ARPACK library to use with VS2012 Express Edition. Hence I am using the command in MSYS as :
dllwrap --export-all-symbols BLAS/.o LAPACK/.o SRC/.o UTIL/.o
-lgfortran --output-def arpack_win32.def -o arpack_win32.dll
This results in error:
real_write' UTIL/smout.o:smout.f:(.text+0x12cf): undefined reference
to _gfortran_transfer_ array_write'
UTIL/smout.o:smout.f:(.text+0x12f1): undefined reference to
_gfortran_transfer_ integer_write'
UTIL/smout.o:smout.f:(.text+0x13b4): undefined reference to
_gfortran_transfer_ integer_write'
UTIL/smout.o:smout.f:(.text+0x13ef): undefined reference to
_gfortran_transfer_ real_write' UTIL/smout.o:smout.f:(.text+0x1581):
undefined reference to _gfortran_transfer_ array_write'
UTIL/smout.o:smout.f:(.text+0x15a3): undefined reference to
_gfortran_transfer_ integer_write'
UTIL/smout.o:smout.f:(.text+0x1666): undefined reference to
_gfortran_transfer_ integer_write'
UTIL/smout.o:smout.f:(.text+0x16a1): undefined reference to
_gfortran_transfer_ real_write' UTIL/svout.o:svout.f:(.text+0xb4):
undefined reference to _gfortran_transfer_ch aracter_write'
UTIL/svout.o:svout.f:(.text+0xd2): undefined reference to
_gfortran_transfer_ch aracter_write'
UTIL/svout.o:svout.f:(.text+0x1b5): undefined reference to
_gfortran_transfer_i nteger_write'
UTIL/svout.o:svout.f:(.text+0x1cd): undefined reference to
_gfortran_transfer_i nteger_write'
Cant figure it out why this happens....Thanks..
Finally figured out what was wrong....I was using MinGW with gfortran..... Adding C:\MinGW\bin to PATH solved all the issues.....
I've been trying to compile this OpenGL tutorial (originally purposed for Visual Studio) but I keep having 'undefined reference' errors. The compiler output is as follows:
Info: Internal Builder is used for build
g++ -o OpenGLTutorial.exe "src\\main.o" "src\\Camera.o" -lglew32 -lglu32 -lopengl32 -lfreeglut
src\main.o: In function `Z6InitGLiPPc':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:75: undefined reference to `glutInit'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:76: undefined reference to `glutSetOption'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:77: undefined reference to `glutGet'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:78: undefined reference to `glutGet'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:80: undefined reference to `glutInitDisplayMode'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:82: undefined reference to `glutInitContextVersion'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:83: undefined reference to `glutInitContextProfile'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:84: undefined reference to `glutInitContextFlags'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:86: undefined reference to `glutInitWindowPosition'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:87: undefined reference to `glutInitWindowSize'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:89: undefined reference to `glutCreateWindow'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:91: undefined reference to `glutIdleFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:92: undefined reference to `glutDisplayFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:93: undefined reference to `glutKeyboardFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:94: undefined reference to `glutKeyboardUpFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:95: undefined reference to `glutSpecialFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:96: undefined reference to `glutSpecialUpFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:97: undefined reference to `glutMouseFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:98: undefined reference to `glutMotionFunc'
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:99: undefined reference to `glutReshapeFunc'
src\main.o: In function `main':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:236: undefined reference to `glutMainLoop'
src\main.o: In function `Z9ReshapeGLii':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:249: undefined reference to `glutPostRedisplay'
src\main.o: In function `Z9DisplayGLv':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:262: undefined reference to `glutSwapBuffers'
src\main.o: In function `Z6IdleGLv':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:278: undefined reference to `glutPostRedisplay'
src\main.o: In function `Z10KeyboardGLhii':
C:\Users\jordanrich\Documents\programming\C++\GameDev\OpenGLTutorial\Debug/../src/main.cpp:313: undefined reference to `glutLeaveMainLoop'
collect2.exe: error: ld returned 1 exit status
21:39:05 Build Finished (took 1s.154ms)
Can anyone tell me what is wrong?
If you need any more information to help answer the question just ask.
Edit (Some additional info):
As you can see from the compiler output I have linked the library that these functions require and the compiler does not complain that it could not find said library. Also I placed the freeglut dll into the binary folder.
This problem was apparently mainly due to user error and was completely circumstantial. I'm posting this for the people of the future who might have this problem.
In my header file I defined FREEGLUT_STATIC. After changing this to another variable, the linker no longer produced errors. Though I can't actually check -- very easily at least -- somewhere in my freeglut library this variable was used in an ifndef statement to determine whether freeglut needed to be linked (in case it was already linked).
I'm writing a Qt application that uses Botan. For the Windows version I decided to use the precompiled DLL, so I downloaded the installer, installed Botan in C:\botan and added:
win32:INCLUDEPATH += C:/botan/include
win32:LIBS += -L"C:\botan" -lbotan
to my .pro file. However I'm getting linker errors (undefined reference to...) during the build process, and I can't see why - the correct .lib is specified in LIBS, the include path is fine.
I'm using MinGW.
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:52: undefined reference to `_imp___ZN5Botan17have_block_cipherERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:58: undefined reference to `_imp___ZN5Botan16max_keylength_ofERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:59: undefined reference to `_imp___ZN5Botan13block_size_ofERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:61: undefined reference to `_imp___ZN5Botan14AutoSeeded_RNGC1Ej'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:63: undefined reference to `_imp___ZN5Botan7get_s2kERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:64: undefined reference to `_imp___ZN5Botan3S2K14set_iterationsEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:65: undefined reference to `_imp___ZN5Botan3S2K15new_random_saltERNS_21RandomNumberGeneratorEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:67: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:68: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:69: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan10MAC_FilterC1ERKSsRKNS_11OctetStringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan14Base64_EncoderC1Ebjb'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan5ChainC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan10get_cipherERKSsRKNS_11OctetStringES4_NS_10Cipher_DirE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan14Base64_EncoderC1Ebjb'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan5ChainC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan4ForkC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan4PipeC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:85: undefined reference to `_imp___ZN5Botan4Pipe9start_msgEv'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:83: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:86: undefined reference to `_imp___ZN5BotanrsERSiRNS_4PipeE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:87: undefined reference to `_imp___ZN5Botan4Pipe7end_msgEv'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:89: undefined reference to `_imp___ZN5Botan4Pipe18read_all_as_stringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:90: undefined reference to `_imp___ZN5Botan4Pipe18read_all_as_stringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:90: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:90: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:142: undefined reference to `_imp___ZN5Botan17have_block_cipherERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:148: undefined reference to `_imp___ZN5Botan16max_keylength_ofERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:149: undefined reference to `_imp___ZN5Botan13block_size_ofERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:151: undefined reference to `_imp___ZN5Botan7get_s2kERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:152: undefined reference to `_imp___ZN5Botan3S2K14set_iterationsEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:153: undefined reference to `_imp___ZN5Botan3S2K11change_saltERKNS_12MemoryRegionIhEE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:155: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:156: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:157: undefined reference to `_imp___ZNK5Botan3S2K10derive_keyEjRKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan10MAC_FilterC1ERKSsRKNS_11OctetStringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan14Base64_EncoderC1Ebjb'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan5ChainC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan4ForkC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan10get_cipherERKSsRKNS_11OctetStringES4_NS_10Cipher_DirE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan14Base64_DecoderC1ENS_16Decoder_CheckingE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan4PipeC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:166: undefined reference to `_imp___ZN5Botan4Pipe9start_msgEv'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:164: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:167: undefined reference to `_imp___ZN5BotanrsERSiRNS_4PipeE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:168: undefined reference to `_imp___ZN5Botan4Pipe7end_msgEv'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:170: undefined reference to `_imp___ZN5Botan4Pipe18read_all_as_stringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:174: undefined reference to `_imp___ZN5Botan4Pipe18read_all_as_stringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:174: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:174: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:195: undefined reference to `_imp___ZN5Botan14Base64_EncoderC1Ebjb'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:195: undefined reference to `_imp___ZN5Botan4PipeC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:196: undefined reference to `_imp___ZN5Botan4Pipe11process_msgERKNS_12MemoryRegionIhEE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:197: undefined reference to `_imp___ZN5Botan4Pipe15DEFAULT_MESSAGEE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:197: undefined reference to `_imp___ZN5Botan4Pipe18read_all_as_stringEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:197: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:197: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:202: undefined reference to `_imp___ZN5Botan14Base64_DecoderC1ENS_16Decoder_CheckingE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:202: undefined reference to `_imp___ZN5Botan4PipeC1EPNS_6FilterES2_S2_S2_'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:203: undefined reference to `_imp___ZN5Botan4Pipe11process_msgERKSs'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:204: undefined reference to `_imp___ZN5Botan4Pipe15DEFAULT_MESSAGEE'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:204: undefined reference to `_imp___ZN5Botan4Pipe8read_allEj'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:204: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o:D:\Development\Qt\silverlock-build-desktop\silverlocklib/../../Silverlock/silverlocklib/databasecrypto.cpp:204: undefined reference to `_imp___ZN5Botan4PipeD1Ev'
./debug\databasecrypto.o: In function `LibraryInitializer':
c:/botan/include/botan/init.h:34: undefined reference to `_imp___ZN5Botan18LibraryInitializer10initializeERKSs'
./debug\databasecrypto.o: In function `~LibraryInitializer':
c:/botan/include/botan/init.h:36: undefined reference to `_imp___ZN5Botan18LibraryInitializer12deinitializeEv'
./debug\databasecrypto.o: In function `~Exception':
c:/botan/include/botan/exceptn.h:25: undefined reference to `_imp___ZTVN5Botan9ExceptionE'
c:/botan/include/botan/exceptn.h:25: undefined reference to `_imp___ZTVN5Botan9ExceptionE'
c:/botan/include/botan/exceptn.h:25: undefined reference to `_imp___ZTVN5Botan9ExceptionE'
./debug\databasecrypto.o: In function `~Format_Error':
c:/botan/include/botan/exceptn.h:110: undefined reference to `_imp___ZTVN5Botan12Format_ErrorE'
c:/botan/include/botan/exceptn.h:110: undefined reference to `_imp___ZTVN5Botan12Format_ErrorE'
c:/botan/include/botan/exceptn.h:110: undefined reference to `_imp___ZTVN5Botan12Format_ErrorE'
./debug\databasecrypto.o: In function `~Decoding_Error':
c:/botan/include/botan/exceptn.h:135: undefined reference to `_imp___ZTVN5Botan14Decoding_ErrorE'
c:/botan/include/botan/exceptn.h:135: undefined reference to `_imp___ZTVN5Botan14Decoding_ErrorE'
./debug\databasecrypto.o: In function `Exception':
c:/botan/include/botan/exceptn.h:21: undefined reference to `_imp___ZTVN5Botan9ExceptionE'
./debug\databasecrypto.o: In function `~RandomNumberGenerator':
c:/botan/include/botan/rng.h:78: undefined reference to `_imp___ZTVN5Botan21RandomNumberGeneratorE'
c:/botan/include/botan/rng.h:78: undefined reference to `_imp___ZTVN5Botan21RandomNumberGeneratorE'
c:/botan/include/botan/rng.h:78: undefined reference to `_imp___ZTVN5Botan21RandomNumberGeneratorE'
./debug\databasecrypto.o: In function `~AutoSeeded_RNG':
c:/botan/include/botan/auto_rng.h:37: undefined reference to `_imp___ZTVN5Botan14AutoSeeded_RNGE'
c:/botan/include/botan/auto_rng.h:37: undefined reference to `_imp___ZTVN5Botan14AutoSeeded_RNGE'
./debug\databasecrypto.o: In function `Algorithm_Not_Found':
c:/botan/include/botan/exceptn.h:102: undefined reference to `_imp___ZTVN5Botan19Algorithm_Not_FoundE'
./debug\databasecrypto.o: In function `~Algorithm_Not_Found':
c:/botan/include/botan/exceptn.h:102: undefined reference to `_imp___ZTVN5Botan19Algorithm_Not_FoundE'
c:/botan/include/botan/exceptn.h:102: undefined reference to `_imp___ZTVN5Botan19Algorithm_Not_FoundE'
./debug\databasecrypto.o: In function `Format_Error':
c:/botan/include/botan/exceptn.h:110: undefined reference to `_imp___ZTVN5Botan12Format_ErrorE'
./debug\databasecrypto.o: In function `Decoding_Error':
c:/botan/include/botan/exceptn.h:135: undefined reference to `_imp___ZTVN5Botan14Decoding_ErrorE'
collect2: ld returned 1 exit status
Since Botan is included in QtCreator (2.x branches), you could just recompile QtCreator (or take the relevant parts), and use that. No messing with any makefiles (mingw works out of the box), and since you mention Qt, this will probably work very well.
As far as I know, official binaries are compatible with MSVC only. I guess you should build Botan from source to use it with MinGW. According to docs it's relatively easy to do:
$ python configure.py
$ make
$ make check
$ make install
But for me compiler autodetection didn't work as expected, so I had to do few additional steps:
Autoconfiguration:
$ python configure.py --cc=gcc
Edit generated Makefile. Replace line
LINK_TO = -ladvapi32.lib -luser32.lib
with
LINK_TO = -ladvapi32 -luser32
Build
$ make
$ make check
$ make install
I've used this command to build botan using mingw32-make.exe, i've ran it in a console window with Qt support.
python configure.py --cc=gcc --cpu=x86 --os=mingw --without-stack-protector --amalgamation --minimized-build --disable-shared --enable-modules=aes,aes_ssse3,auto_rng,bigint,block,cbc,ctr,des,dh,dsa,ec_group,ecdh,ecdsa,entropy,filters,hmac,mode_pad,pubkey,rsa,sha1,sha1_sse2,sha1_x86,sha2_32,sha2_32_x86,sha2_64,simd,system_rng,emsa_pkcs1,pbes2,pbkdf2 --without-documentation
mingw32-make.exe
mingw32-make.exe install