在C++中调用C函数,即使头文件等都包含,编译后提示错误undefined reference to xxx,collect2: error: ld returned 1 exit status。 这是因为C和C++编译过来中,函数的符号表示不一样。在c++中,为了支持重载机制,在编译生成的汇编码中,要对函数的名字进行一些处理,加入比如函数的返回类型等等.而在C中,只是简单的函数...
ndk ? or /system/bin/ 下的binary ?
If you build the project now, it will fail with another error: C:\projects\temp\MissingSymbolDemo/MissingSymbolDemo.cpp:9:undefined reference to `png_create_read_struct' Build failed: arm-linux-gnueabihf-g++.exe exited with code 1 collect2.exe: error: ld returned 1 exit status This happens...
/home/sc/lib/libodbc.so: undefined reference to `mysql_commit' /home/sc/lib/libodbc.so: undefined reference to `mysql_fetch_row' /home/sc/lib/libodbc.so: undefined reference to `mysql_error' /home/sc/lib/libodbc.so: undefined reference to `mysql_server_end' /home/sc/lib/libodbc.so: ...
"undefined reference" error when using c header files I have three files: main.c, location.c and location.h. They can't seem to compile. Here are my source files. main.c: #include <stdio.h> #include "location.h" int main() { executeLook(); return 0; } location.c: void execut...
在使用C++进行编程时,经常会遇到一些错误提示信息,其中之一是undefined reference to symbol错误。这种错误通常会在链接阶段出现,并且表明缺少对一个特定符号的定义。在本篇文章中,我们将探讨一个常见的错误信息undefined reference to symbol ‘_ZN2cv7imwriteERKNS_6StringERKNS_11_InputArrayERKSt6vectorIiSaIiEE‘,并...
' test.cpp:(.text.startup+0x19): undefined reference to `malloc(unsigned long)' test.cpp:(.text.startup+0x24): undefined reference to `free(void*)'test.cpp:(.text.startup+0x31): undefined reference to `free(void*)' collect2: ld returned 1 exit status make: *** [demo] Error 1...
undefined reference to `mbedtls_sha1_ret' 在其他答案中,链接器和gcc调用似乎有问题,但是Makefile调用多个其他Makefile来构建所有东西都是pre-made。正如您在“make all”输出中看到的,成功构建了具有所需函数的文件: Compiling mbedtls cd ../common/mbedtls && make all ...
error: undefined reference to '__dso_handle'解决方案,home/NDK/android-ndk-r9/sources/cxx-stl/gnu-libstdc++/4.7/libs/armeabi-v7a/libsupc++.a(eh_globals.o):eh_globals.cc:function_GLOBAL__sub_I_eh_globals.
Error: "undefined reference to 'Pa_Initialize'"(Pa_Initialize is a function from the portaudio library) My working directory includes the .a file from portaudio as well as the portaudio.h. My current gcc command:gcc main.c libportaudio.a -lm -o main ...