On Wed, Jun 19, 2024 at 06:09:58AM +0000, Johannes Schindelin via GitGitGadget wrote: > From: Johannes Schindelin <johannes.schindelin@xxxxxx> > > In 08809c09aa13 (mingw: add a helper function to attach GDB to the > current process, 2020-02-13), I added a declaration that was not needed. > Back then, that did not matter, but now that the declaration of that > symbol was changed in mingw-w64's headers, it causes the following > compile error: > > CC compat/mingw.o > compat/mingw.c: In function 'open_in_gdb': > compat/mingw.c:35:9: error: function declaration isn't a prototype [-Werror=strict-prototypes] > 35 | extern char *_pgmptr; > | ^~~~~~ > In file included from C:/git-sdk-64/usr/src/git/build-installers/mingw64/lib/gcc/x86_64-w64-mingw32/14.1.0/include/mm_malloc.h:27, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/lib/gcc/x86_64-w64-mingw32/14.1.0/include/xmmintrin.h:34, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/lib/gcc/x86_64-w64-mingw32/14.1.0/include/immintrin.h:31, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/lib/gcc/x86_64-w64-mingw32/14.1.0/include/x86intrin.h:32, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/include/winnt.h:1658, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/include/minwindef.h:163, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/include/windef.h:9, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/include/windows.h:69, > from C:/git-sdk-64/usr/src/git/build-installers/mingw64/include/winsock2.h:23, > from compat/../git-compat-util.h:215, > from compat/mingw.c:1: > compat/mingw.c:35:22: error: '__p__pgmptr' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes] > 35 | extern char *_pgmptr; > | ^~~~~~~ > > Let's just drop the declaration and get rid of this compile error. I can only suppose it gets rid of the compiler error with close to 100% certainty because for some reason, it only happens intermittently for me and I don't know whether I'm lucky or if the issue is fixed for real, but what it absolutely sure is that it doesn't break anything. Mike