Summary (Edit: removed all unnecessary information, added Windows10 experience, upgraded CLANG on Ubuntu to the same version, removed Debian10 due to old CLANG version) I’ve created a pretty simple WASM module, compiled on MacOS, works ✅, compiled on MS-Windows10, works ✅, compiled on Ubuntu21.10: produ…
Tag: clang
“Python Exception There is no member named _M_dataplus.” when trying to print string
I’m trying to debug a segfault in a homework program and I’ve discovered that my GDB can no longer even print std::strings. How can I fix it? I’m on Ubuntu 18.04 LTS. CLang++ version: GDB version: I’ve writen a small test program called gdbbroke.cpp: I expected print test to output: Ho…
clangd on linux cannot find default headers
I’ve installed the newest LLVM toolchain from the official PPA, including clang, clang-tools-extra, lldb, lld, libc++ and libc++abi. I’m trying to use clangd with emacs + lsp. All works fine except clangd cannot find default headers like memory, vector and so on. My code is fine, it is normally co…
Does clang++ treat system headers in a more relaxed way?
The following struct is defined in the Linux system header file /usr/include/sys/inotify.h: Please note the last field name, which is a zero-length array. C++17 does not support zero-length array, so, if using struct inotify_event in a C++17 project and compiling it with -pedantic, a compiler warning should b…
Optimal way to install clang locally when GCC is outdated
I need to use tools that depend on clang on a Unix machine I remote onto at work. Anything I install is locally installed onto ~/local. I do not have root permissions. /usr is pretty outdated, with gcc being at version 4.4.7. clang requires gcc 4.7+ I read on linux from scratch that a gcc 6.1 installation req…
Boosts JSON parser escapes quotation marks on MacOS but not on Linux
I have a C++ program running on a server returning JSON formatted data, serialized with boost. In some cases one value part of a JSON packet is another JSON packet serialized to string. Running in XCode on my developing machine the program returns me the value data with escaped quotation marks, compiled on th…
Does Clang/GCC really support a delay loading feature?
Would you mind to leave your comment on this if you have really experienced which relates to the title above? I have tried to make a shared object to be delay loaded with both Clang and GCC on Ubuntu (I actually don’t mind which compiler is used), but they do not look really support any delay loading fe…
Where is PATH_MAX defined in Linux?
Which header file should I invoke with #include to be able to use PATH_MAX as an int for sizing a string? I want to be able to declare: But when I do so my compiler (Clang/LLVM on Linux) issues the following error: I tried doing a google search but still no luck. #include <limits.h> Does NOT fix the pro…