Scenario: $ cat lib.c #include <stdio.h> #define STR_(x) #x #define STR(x) STR_(x) #define CAT_(x,y) x##y #define CAT(x,y) CAT_(x,y) __attribute__((constructor)) void CAT(foo,)(void) { printf("foo" STR(N) " %pn", CAT(foo,)); } void CAT(bar,N)(void){ puts("bar" STR(N)); } $ cat main.c void barx(void); void bary(void);…
The rules regarding linking are getting jumbled in my head. I have this little C file that I want to turn into a shared library. For the purpose of illustration, I'm calling a libuv function, but it could just as…
I am making an app with android studio. There is a problem trying to use external prebuilt so. main/cpp/CMakeLists.txt was declared as follows. add_library(ace SHARED ace.cpp) add_library(banana SHARED IMPORTED) set_target_properties(banana PROPERTIES IMPORTED_LOCATION ${CMAKE_SOURCE_DIR}/../jniLibs/${ANDROID_ABI}/libbanana.so) target_link_libraries(ace banana) And then I get the…
I am on the latest Ubuntu Linux. Here is a shared library with functions that are called when loading and unloading: shared.c: #include <fcntl.h> #include <sys/stat.h> void init() { open("init", O_RDWR | O_CREAT, S_IRUSR | S_IWUSR); } void fini() {…
I am pretty new in C++. I would like to include json from that library https://github.com/nlohmann/json. I have downloaded it, put it in my folder MyCPP main.cpp json (nlohmann folder) In my main.cpp #include <iostream> #include <nlohmann/json.hpp> using json =…
I am trying Mx toolkit demo code on this page but I get following error: $ valac --pkg mx-1.0 mxgui.vala mxgui.vala:4.7-4.8: error: The namespace name `Mx' could not be found using Mx; ^^ Compilation failed: 1 error(s), 0 warning(s) I…
I have an application - let's call it "P" - that uses custom SO's: A.so, B.so, and C.so The A.so library uses another custom library - D.so - as well as SSL and the math library. The "P" application makes…
This question has been asked before, but the fixes don't work for me. I am running Windows 10 with WSL (Debian) and I am unable to run a QT program because of the error texconv: error while loading shared libraries:…
I have a C library which is created with cc -fPIC -g -O3 -c -o obj/my_lib.o my_lib.c g++ -shared -Wl,-soname,libmy_lib.so.1 obj/my_lib.o -o libmy_lib.so.1.8.0 This library is packaged into debian packages with dpkg-buildpackage producing libmy_lib1-1.deb, libmy_lib1-dev-1.deb, and libmy_lib1-dbgsym-1.ddeb. Installing all of…
So I am working on a project that is intended to run on a remote server. I develop the program on a local pc, compile it, then upload it to the remote server. Both the local pc and the remote…