On Mon, 9 Dec 2024 10:30:01 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:
> > This needs a name and description change, I'll do so later. @MBaesken does > > this fix LTO on your end? Kim also reports that LTO hangs indefinitely > > alongside several warning messages, do you have similar issues when you try > > to enable LTO? > > When I try to build with this change (with and without lto enabled) I run into > > ``` > /openjdk/tools/devkits/x86_64-linux-gnu-to-x86_64-linux-gnu-fedora27-gcc11.3.0/x86_64-linux-gnu/sysroot/usr/include/unistd.h:520:14: > error: conflicting declaration of 'char* get_current_dir_name()' with 'C' > linkage > 520 | extern char *get_current_dir_name (void) __THROW; > | ^~~~~~~~~~~~~~~~~~~~ > ``` > > (maybe it is related to the devkit, maybe to pch I don't know) It's related to the subtle change in FORBID_C_FUNCTION, I think unistd.h is being included before compilerWarnings.hpp somewhere. Well, at least I now know the current approach has this issue ------------- PR Comment: https://git.openjdk.org/jdk/pull/22464#issuecomment-2527675965