error LNK 2001 in visual C++ 6.0
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No, include the lib of the unresolved symbol to the linking process. It could be perform in a .cpp file as following too :) :
#pragma comment(lib, "NameOfLibOfUnresolvedSymbol.lib")virtual void BeHappy() = 0;oh thanks a lot. but mine is a .mak file . while building it i am facing such errors. how to link the libraries to the .mak file? any commands available?
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oh thanks a lot. but mine is a .mak file . while building it i am facing such errors. how to link the libraries to the .mak file? any commands available?
Probably you could extend your line by the needed lib :) :
libraries- libgroupsock.lib, libusageenvironment.lib,libbasicusageenv.lib and liblivemedia.lib, NEEDED.libvirtual void BeHappy() = 0; -
oh thanks a lot. but mine is a .mak file . while building it i am facing such errors. how to link the libraries to the .mak file? any commands available?
Please observe how to include some libraries to the link process :) :
CC= cl
#DEFS= -nologo -DSTRICT -G3 -Ow -W3 -Zp -Tp
DEFS= -nologo -G3
PROGNAME= foo.exe
LINKER=link -nologoINCLUDES= -I.
don't define -DSYS_WIN32.. win2k complains
DEFINES= $(INCLUDES) $(DEFS) -DWINNT=1
CFLAGS= $(DEFINES)
GUIFLAGS=user32.lib gdi32.lib winmm.lib comdlg32.lib comctl32.lib
WINSOCK_LIB=wsock32.lib
LIBS=$(WINSOCK_LIB) $(GUIFLAGS)
RC=rc
RCVARS=-r -DWIN32SRCS = foo.c main.c
OBJS = foo.obj main.obj
.c.obj:
$(CC) $(CFLAGS) -c $< -Fo$@all: $(PROGNAME)
$(PROGNAME) : $(OBJS)
$(LINKER) $(OBJS) /OUT:$(PROGNAME) $(LIBS)clean:
del $(OBJS) $(PROGNAME) corevirtual void BeHappy() = 0; -
Please observe how to include some libraries to the link process :) :
CC= cl
#DEFS= -nologo -DSTRICT -G3 -Ow -W3 -Zp -Tp
DEFS= -nologo -G3
PROGNAME= foo.exe
LINKER=link -nologoINCLUDES= -I.
don't define -DSYS_WIN32.. win2k complains
DEFINES= $(INCLUDES) $(DEFS) -DWINNT=1
CFLAGS= $(DEFINES)
GUIFLAGS=user32.lib gdi32.lib winmm.lib comdlg32.lib comctl32.lib
WINSOCK_LIB=wsock32.lib
LIBS=$(WINSOCK_LIB) $(GUIFLAGS)
RC=rc
RCVARS=-r -DWIN32SRCS = foo.c main.c
OBJS = foo.obj main.obj
.c.obj:
$(CC) $(CFLAGS) -c $< -Fo$@all: $(PROGNAME)
$(PROGNAME) : $(OBJS)
$(LINKER) $(OBJS) /OUT:$(PROGNAME) $(LIBS)clean:
del $(OBJS) $(PROGNAME) corevirtual void BeHappy() = 0;ya got it. but in my make file there is not option for including the libraries. well i paste my makefile here.it is still giving the same errors "libgroupsock.lib(Groupsock.obj) : error LNK2001: unresolved external symbol ___security_cookie" INCLUDES = -I../UsageEnvironment/include -I../groupsock/include -I../liveMedia/include -I../BasicUsageEnvironment/include ##### Change the following for your environment: # Comment out the following line to produce Makefiles that generate debuggable code: # NODEBUG=1# The following definition ensures that we are properly matching # the WinSock2 library file with the correct header files. # (will link with "ws2_32.lib" and include "winsock2.h" & "Ws2tcpip.h") TARGETOS = WINNT # If for some reason you wish to use WinSock1 instead, uncomment the # following two definitions. # (will link with "wsock32.lib" and include "winsock.h")#TARGETOS = WIN95 #APPVER = 4.0!include <ntwin32.mak> UI_OPTS = $(guilflags) $(guilibsdll) # Use the following to get a console (e.g., for debugging): CONSOLE_UI_OPTS = $(conlflags) $(conlibsdll)CPU=i386 TOOLS32 = C:\Program Files\Microsoft Visual Studio 8\VC COMPILE_OPTS = $(INCLUDES) $(cdebug) $(cflags) $(cvarsdll) -I. -I"$(TOOLS32)\include" C = cC_COMPILER = "$(TOOLS32)\bin\cl"C_FLAGS = $(COMPILE_OPTS)CPP = cpp CPLUSPLUS_COMPILER = $(C_COMPILER)CPLUSPLUS_FLAGS = $(COMPILE_OPTS)OBJ = obj LINK = $(link) -out: LIBRARY_LINK = lib -out: LINK_OPTS_0 = $(linkdebug) msvcrt.libLIBRARY_LINK_OPTS = LINK_OPTS = $(LINK_OPTS_0) $(UI_OPTS) CONSOLE_LINK_OPTS = $(LINK_OPTS_0) $(CONSOLE_UI_OPTS) SERVICE_LINK_OPTS = kernel32.lib advapi32.lib shell32.lib -subsystem:console,$(APPVER) LIB_SUFFIX = libLIBS_FOR_CONSOLE_APPLICATION =LIBS_FOR_GUI_APPLICATION = MULTIMEDIA_LIBS = winmm.libEXE = .exePLATFORM = Windows rc32 = "$(TOOLS32)\bin\rc".rc.res: $(rc32) $<##### End of variables to change MULTICAST_STREAMER_APPS = testMP3Streamer$(EXE) testMPEG1or2VideoStreamer$(EXE) testMPEG1or2AudioVideoStreamer$(EXE) testMPEG2TransportStreamer$(EXE) testMPEG4VideoStreamer$(EXE) testDVVideoStreamer$(EXE) testWAVAudioStreamer$(EXE) testAMRAudioStreamer$(EXE) vobStreamer$(EXE) MULTICAST_RECEIVER_APPS = testMP3Receiver$(EXE) testMPEG1or2VideoReceiver$(EXE) sapWatch$(EXE) MULTICAST_MISC_APPS = testRelay$(EXE) MULTICAST_APPS = $(MULTICAST_STREAMER_APPS) $(MULTICAST_RECEIVER_APPS) $(MULTICAST_MISC_APPS) UNICAST_STREAMER_APPS = testOnDemandRTSPServer$(EXE) testMPEG1or2AudioVideoToDarwin$(EXE) testMPEG4VideoToDarwin$(EX
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ya got it. but in my make file there is not option for including the libraries. well i paste my makefile here.it is still giving the same errors "libgroupsock.lib(Groupsock.obj) : error LNK2001: unresolved external symbol ___security_cookie" INCLUDES = -I../UsageEnvironment/include -I../groupsock/include -I../liveMedia/include -I../BasicUsageEnvironment/include ##### Change the following for your environment: # Comment out the following line to produce Makefiles that generate debuggable code: # NODEBUG=1# The following definition ensures that we are properly matching # the WinSock2 library file with the correct header files. # (will link with "ws2_32.lib" and include "winsock2.h" & "Ws2tcpip.h") TARGETOS = WINNT # If for some reason you wish to use WinSock1 instead, uncomment the # following two definitions. # (will link with "wsock32.lib" and include "winsock.h")#TARGETOS = WIN95 #APPVER = 4.0!include <ntwin32.mak> UI_OPTS = $(guilflags) $(guilibsdll) # Use the following to get a console (e.g., for debugging): CONSOLE_UI_OPTS = $(conlflags) $(conlibsdll)CPU=i386 TOOLS32 = C:\Program Files\Microsoft Visual Studio 8\VC COMPILE_OPTS = $(INCLUDES) $(cdebug) $(cflags) $(cvarsdll) -I. -I"$(TOOLS32)\include" C = cC_COMPILER = "$(TOOLS32)\bin\cl"C_FLAGS = $(COMPILE_OPTS)CPP = cpp CPLUSPLUS_COMPILER = $(C_COMPILER)CPLUSPLUS_FLAGS = $(COMPILE_OPTS)OBJ = obj LINK = $(link) -out: LIBRARY_LINK = lib -out: LINK_OPTS_0 = $(linkdebug) msvcrt.libLIBRARY_LINK_OPTS = LINK_OPTS = $(LINK_OPTS_0) $(UI_OPTS) CONSOLE_LINK_OPTS = $(LINK_OPTS_0) $(CONSOLE_UI_OPTS) SERVICE_LINK_OPTS = kernel32.lib advapi32.lib shell32.lib -subsystem:console,$(APPVER) LIB_SUFFIX = libLIBS_FOR_CONSOLE_APPLICATION =LIBS_FOR_GUI_APPLICATION = MULTIMEDIA_LIBS = winmm.libEXE = .exePLATFORM = Windows rc32 = "$(TOOLS32)\bin\rc".rc.res: $(rc32) $<##### End of variables to change MULTICAST_STREAMER_APPS = testMP3Streamer$(EXE) testMPEG1or2VideoStreamer$(EXE) testMPEG1or2AudioVideoStreamer$(EXE) testMPEG2TransportStreamer$(EXE) testMPEG4VideoStreamer$(EXE) testDVVideoStreamer$(EXE) testWAVAudioStreamer$(EXE) testAMRAudioStreamer$(EXE) vobStreamer$(EXE) MULTICAST_RECEIVER_APPS = testMP3Receiver$(EXE) testMPEG1or2VideoReceiver$(EXE) sapWatch$(EXE) MULTICAST_MISC_APPS = testRelay$(EXE) MULTICAST_APPS = $(MULTICAST_STREAMER_APPS) $(MULTICAST_RECEIVER_APPS) $(MULTICAST_MISC_APPS) UNICAST_STREAMER_APPS = testOnDemandRTSPServer$(EXE) testMPEG1or2AudioVideoToDarwin$(EXE) testMPEG4VideoToDarwin$(EX
Please try to extent this line :
LINK_OPTS_0 = $(linkdebug) msvcrt.libto :) :LINK_OPTS_0 = $(linkdebug) msvcrt.lib bufferoverflowU.libvirtual void BeHappy() = 0; -
Please try to extent this line :
LINK_OPTS_0 = $(linkdebug) msvcrt.libto :) :LINK_OPTS_0 = $(linkdebug) msvcrt.lib bufferoverflowU.libvirtual void BeHappy() = 0;hi , thanks for ur patient replies LINK_OPTS_0 = $(linkdebug) msvcrt.lib libBasicUsageEnvironment.lib libgroupsock.lib libliveMedia.lib libUsageEnvironment.lib i have added the libraries like this. now after i compiled , good news is erros got reduced. but new ones have popped in. "LINK : fatal error LNK1181: cannot open input file "libBasicUsageEnvironment.lib"" how to fix this one? can u plz help me ?
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hi , thanks for ur patient replies LINK_OPTS_0 = $(linkdebug) msvcrt.lib libBasicUsageEnvironment.lib libgroupsock.lib libliveMedia.lib libUsageEnvironment.lib i have added the libraries like this. now after i compiled , good news is erros got reduced. but new ones have popped in. "LINK : fatal error LNK1181: cannot open input file "libBasicUsageEnvironment.lib"" how to fix this one? can u plz help me ?
Please try this suggestion firstly :) :
LINK_OPTS_0 = $(linkdebug) msvcrt.lib bufferoverflowU.libvirtual void BeHappy() = 0; -
hi , thanks for ur patient replies LINK_OPTS_0 = $(linkdebug) msvcrt.lib libBasicUsageEnvironment.lib libgroupsock.lib libliveMedia.lib libUsageEnvironment.lib i have added the libraries like this. now after i compiled , good news is erros got reduced. but new ones have popped in. "LINK : fatal error LNK1181: cannot open input file "libBasicUsageEnvironment.lib"" how to fix this one? can u plz help me ?
oops sorry buddy. i added the bufferoverflowU.lib and have got the following error. LINK : fatal error LNK1181: cannot open input file "bufferoverflowU.lib"
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oops sorry buddy. i added the bufferoverflowU.lib and have got the following error. LINK : fatal error LNK1181: cannot open input file "bufferoverflowU.lib"
OK :) Please try to find the
bufferoverflowU.libfile on your (probably C:\ ) harddisk and set it with its full path, please, for a test only. Thanks :)virtual void BeHappy() = 0; -
OK :) Please try to find the
bufferoverflowU.libfile on your (probably C:\ ) harddisk and set it with its full path, please, for a test only. Thanks :)virtual void BeHappy() = 0;hi, found the "buffeoverflowU.lib" in c:\ added the path in the library files as well as include files. but now facing new errors( 15 in number :( ) should i add anyother library?kindly help error of type 1: libBasicUsageEnvironment.lib(BasicUsageEnvironment0.obj) : error LNK2001: unresolved external symbol __imp____iob_func error of type 2:libliveMedia.lib(RTCP.obj) : error LNK2001: unresolved external symbol __ftol2_sse error of type 3:libliveMedia.lib(InputFile.obj) : error LNK2001: unresolved external symbol __imp___stat64i32 error of type 4 :libgroupsock.lib(GroupsockHelper.obj) : error LNK2001: unresolved external symbol __imp___ctime64
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hi, found the "buffeoverflowU.lib" in c:\ added the path in the library files as well as include files. but now facing new errors( 15 in number :( ) should i add anyother library?kindly help error of type 1: libBasicUsageEnvironment.lib(BasicUsageEnvironment0.obj) : error LNK2001: unresolved external symbol __imp____iob_func error of type 2:libliveMedia.lib(RTCP.obj) : error LNK2001: unresolved external symbol __ftol2_sse error of type 3:libliveMedia.lib(InputFile.obj) : error LNK2001: unresolved external symbol __imp___stat64i32 error of type 4 :libgroupsock.lib(GroupsockHelper.obj) : error LNK2001: unresolved external symbol __imp___ctime64
Please try to find and set the
libcntpr.libwith its full path too :)virtual void BeHappy() = 0; -
Please try to find and set the
libcntpr.libwith its full path too :)virtual void BeHappy() = 0;hey i am not able to find that library.. :(
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hi, i have a .mak file while has four depencies(libraries- libgroupsock.lib, libusageenvironment.lib,libbasicusageenv.lib and liblivemedia.lib) but on building the .mak file , i am facing the following problem. how to resolve this error. if the libraries are to be added , how and where to add them..? kindly help me. libgroupsock.lib(Groupsock.obj) : error LNK2001: unresolved external symbol _security_cookie
sindhumahe wrote:
libgroupsock.lib(Groupsock.obj) : error LNK2001: unresolved external symbol _security_cookie
See here, especially the Compiling and Linking Problems section.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
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hi, found the "buffeoverflowU.lib" in c:\ added the path in the library files as well as include files. but now facing new errors( 15 in number :( ) should i add anyother library?kindly help error of type 1: libBasicUsageEnvironment.lib(BasicUsageEnvironment0.obj) : error LNK2001: unresolved external symbol __imp____iob_func error of type 2:libliveMedia.lib(RTCP.obj) : error LNK2001: unresolved external symbol __ftol2_sse error of type 3:libliveMedia.lib(InputFile.obj) : error LNK2001: unresolved external symbol __imp___stat64i32 error of type 4 :libgroupsock.lib(GroupsockHelper.obj) : error LNK2001: unresolved external symbol __imp___ctime64
sindhumahe wrote:
found the "buffeoverflowU.lib" in c:\
Why are there .lib files in the root folder of the C: drive? :wtf:
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
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hi, found the "buffeoverflowU.lib" in c:\ added the path in the library files as well as include files. but now facing new errors( 15 in number :( ) should i add anyother library?kindly help error of type 1: libBasicUsageEnvironment.lib(BasicUsageEnvironment0.obj) : error LNK2001: unresolved external symbol __imp____iob_func error of type 2:libliveMedia.lib(RTCP.obj) : error LNK2001: unresolved external symbol __ftol2_sse error of type 3:libliveMedia.lib(InputFile.obj) : error LNK2001: unresolved external symbol __imp___stat64i32 error of type 4 :libgroupsock.lib(GroupsockHelper.obj) : error LNK2001: unresolved external symbol __imp___ctime64
hi , i am not able to find the .lib file which u mentioned. any idea to resolve my problem ? pplz help.:confused:
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sindhumahe wrote:
found the "buffeoverflowU.lib" in c:\
Why are there .lib files in the root folder of the C: drive? :wtf:
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
i am sorry. i am not sure about this. can u help me to resolve the error. the link u sent doesnt seem to be of much help.
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hey i am not able to find that library.. :(
Do you compile for x64 ? :) Please remove all additional libs and try to set the only "full pathed"
msvcrt.libfrom your x64 SDK directory :)virtual void BeHappy() = 0; -
i am sorry. i am not sure about this. can u help me to resolve the error. the link u sent doesnt seem to be of much help.
What part of "The project is missing a reference to a library (.LIB) or object (.OBJ) file" are you not understanding? Did you read the .lib Files as Linker Input link?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
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What part of "The project is missing a reference to a library (.LIB) or object (.OBJ) file" are you not understanding? Did you read the .lib Files as Linker Input link?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"Man who follows car will be exhausted." - Confucius
hi, i am facing the following trouble. i have included the path of the libraries ad "tools->options->include files libgroupsock.lib(GroupsockHelper.obj) : error LNK2001: unresolved external symbol ___security_cookie like this i am facing the problem with four libraries. can u guide me ?
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hi, i have a .mak file while has four depencies(libraries- libgroupsock.lib, libusageenvironment.lib,libbasicusageenv.lib and liblivemedia.lib) but on building the .mak file , i am facing the following problem. how to resolve this error. if the libraries are to be added , how and where to add them..? kindly help me. libgroupsock.lib(Groupsock.obj) : error LNK2001: unresolved external symbol _security_cookie
Hi, This means that the library was compiled with Buffer Security Check[^]. Since we know that Visual Studio 6 does not implement compiler security checks... this means that the library you are attempting to use was compiled with VS2002 or above. You have two choices: 1.) Recompile the library with /GS (Buffer Security Check)[^] disabled. 2.) In your VC6 project... try linking with the bufferoverflowU.lib library that was included in deprecated (older) versions of the Platform SDK. Compiler Security Checks In Depth[^] Best Wishes, -David Delaune