2010-12-12 30 views
0

我試圖在omnetpp的inetmanet框架中使用包含 的UDP模塊編寫應用程序。問題是我必須包含的文件不包含在鏈接階段。在omnetpp中構建我自己的模塊的問題

的錯誤是:

opp_makemake

[email protected]:~/omnetpp/samples/Basic-Broadcast-Simulation$ opp_makemake --deep -f -I../inet-sommer/src/transport/contract -I../inet-sommer/src/networklayer/contract -I../inet-sommer/src/base 
Creating Makefile in /home/bedo/omnetpp/samples/Basic-Broadcast-Simulation... 
Makefile created, running "make depend" to add dependencies... 
opp_makedep -Y --objdirtree -I../inet-sommer/src/transport/contract -I../inet-sommer/src/networklayer/contract -I../inet-sommer/src/base -I. -Igcc-debug -Igcc-debug/src -Igcc-debug/src/flooding -Isimulations -Isimulations/bitmaps -Isimulations/results -Isrc -Isrc/flooding -f Makefile -P\$O/ -- ./*.cc gcc-debug/*.cc gcc-debug/src/*.cc gcc-debug/src/flooding/*.cc simulations/*.cc simulations/bitmaps/*.cc simulations/results/*.cc src/*.cc src/flooding/*.cc 

使

[email protected]:~/omnetpp/samples/Basic-Broadcast-Simulation$ make 
g++ -c -g -Wall -fno-stack-protector -DHAVE_PCAP -DXMLPARSER=libxml -DWITH_PARSIM -DWITH_NETBUILDER -I../inet-sommer/src/transport/contract -I../inet-sommer/src/networklayer/contract -I../inet-sommer/src/base -I. -Igcc-debug -Igcc-debug/src -Igcc-debug/src/flooding -Isimulations -Isimulations/bitmaps -Isimulations/results -Isrc -Isrc/flooding -I/home/bedo/omnetpp/include -o out/gcc-debug//src/flooding/Flooding.o src/flooding/Flooding.cc 
src/flooding/Flooding.cc: In member function ‘virtual void Flooding::handleLowerMsg(cMessage*)’: 
src/flooding/Flooding.cc:82: warning: unused variable ‘m’ 
g++ -Wl,--export-dynamic -Wl,-rpath,/home/bedo/omnetpp/lib -Wl,-rpath,. -o out/gcc-debug//Basic-Broadcast-Simulation out/gcc-debug//src/flooding/Flooding.o -Wl,--whole-archive -Wl,--no-whole-archive -L"/home/bedo/omnetpp/lib/gcc" -L"/home/bedo/omnetpp/lib" -u _tkenv_lib -lopptkenvd -loppenvird -lopplayoutd -u _cmdenv_lib -loppcmdenvd -loppenvird -loppsimd -ldl -lstdc++ 
out/gcc-debug//src/flooding/Flooding.o: In function `Flooding::setupLowerLayer()': 
/home/bedo/omnetpp/samples/Basic-Broadcast-Simulation/src/flooding/Flooding.cc:50: undefined reference to `UDPControlInfo::UDPControlInfo()' 
/home/bedo/omnetpp/samples/Basic-Broadcast-Simulation/src/flooding/Flooding.cc:52: undefined reference to `UDPSocket::generateSocketId()' 
out/gcc-debug//src/flooding/Flooding.o: In function `Flooding::sendMessage()': 
/home/bedo/omnetpp/samples/Basic-Broadcast-Simulation/src/flooding/Flooding.cc:101: undefined reference to `UDPControlInfo::UDPControlInfo()' 
/home/bedo/omnetpp/samples/Basic-Broadcast-Simulation/src/flooding/Flooding.cc:103: undefined reference to `IPAddress::ALL_HOSTS_MCAST' 
collect2: ld returned 1 exit status 
make: *** [out/gcc-debug//Basic-Broadcast-Simulation] Error 1 
[email protected]:~/omnetpp/samples/Basic-Broadcast-Simulation$ 

我真的不知道爲什麼他們得到包括在內,我的模塊編譯罰款,但在鏈接階段我得到「未定義的參考」。

有什麼想法?

+2

除非在這裏有一個omnetpp專家,這將需要一些來回。生成文件沒有正確處理依賴關係,因此鏈接器不會鏈接UDP代碼(或者至少不是「氾濫」需要的那部分代碼)。您可以先找到包含例如'UDPControlInfo()',並確定它是否被編譯到一個目標文件中,如果是,那麼這個目標文件是否被鏈接到一個庫中。 – Beta 2010-12-12 20:16:56

回答

0

已解決。我將根目錄下的makefile修改爲更簡單的一個,將所有編譯和鏈接任務留給了src的makefile。

謝謝大家

0

您可以運行上與你鏈接的所有庫nm看到這樣的庫未定義的符號:

nm liboppcmdenvd.(so/a) | c++filt | grep UDPControlInfo 

c++filt demangles C++符號)。

庫需要的符號將獲得輸出像(U未定義):

00000000007f90a0 U UDPControlInfo 

庫定義/有符號會得到輸出類似於:

00000000007f90a0 T UDPControlInfo 

這可能是Tt

當然,鏈接的庫以參數表示,以01開頭:

-lopptkenvd -loppenvird -lopplayoutd -u _cmdenv_lib -loppcmdenvd -loppenvird 
liboppcmdenvd liboppenvird liboppsimd libUDPControlInfo