On Wed, Jun 12, 2019 at 03:23:12PM -0400, Laura Abbott wrote: > Hi, > > While doing some build experiments, I found a compile failure with perf and > jvmti: > > BUILDSTDERR: gcc -Wp,-MD,./.xsk.o.d -Wp,-MT,xsk.o -O2 -g -pipe -Wall > -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS > -fexceptions -fstack-protector-strong -grecord-gcc-jvmti/jvmti_agent.c:48:21: > error: static declaration of 'gettid' follows non-static declaration > BUILDSTDERR: 48 | static inline pid_t gettid(void) > BUILDSTDERR: | ^~~~~~ > BUILDSTDERR: In file included from /usr/include/unistd.h:1170, > BUILDSTDERR: from jvmti/jvmti_agent.c:33: > BUILDSTDERR: /usr/include/bits/unistd_ext.h:40:16: note: previous declaration > of 'gettid' was here > BUILDSTDERR: 40 | extern __pid_t gettid (void) __THROW; > BUILDSTDERR: | ^~~~~~ > > > This is with the newer glibc headers that came into Fedora earlier this week > (glibc-2.29.9000-27.fc31) It looks like the newer headers now define gettid > so the in file gettid no longer works. Note this was a custom build with > jvmti enabled as regular Fedora doesn't have it enabled which is why this > wasn't reported elsewhere.
hum, I guess we need some version macro conditions if that's the case so this glibc version is available on rawhide now? I'll try to get some server with it thanks, jirka > > I don't know enough about either the glibc headers or perf to make a > suggestion > on how to fix this but I'm happy to test. > > Thanks, > Laura
