Fedora linking changes picked this up: /usr/bin/ld: btreplay.o: undefined reference to symbol 'pthread_create@@GLIBC_2.2.5' /usr/bin/ld: note: 'pthread_create@@GLIBC_2.2.5' is defined in DSO /lib64/libpthread.so.0 so try adding it to the linker command line See also https://bugzilla.redhat.com/show_bug.cgi?id=564775 Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> --- Index: blktrace-1.0.1/btreplay/Makefile =================================================================== --- blktrace-1.0.1.orig/btreplay/Makefile +++ blktrace-1.0.1/btreplay/Makefile @@ -13,7 +13,7 @@ XCFLAGS = -D_GNU_SOURCE -D_LARGEFILE_SOU override CFLAGS += $(INCS) $(XCFLAGS) $(OCFLAGS) PROGS = btrecord btreplay -LIBS = -laio -lrt +LIBS = -laio -lrt -lpthread all: depend $(PROGS) -- To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html