On Sat, Jan 10, 2015 at 04:40:52PM +0530, Vineet Gupta wrote: > This is due to duplicated unistd inclusion (via uClibc headers + kernel headers) > Also seen on ARM uClibc based tools > > ------- ARC build ---------->8------------- > > CC util/evlist.o > In file included from > ~/arc/k.org/arch/arc/include/uapi/asm/unistd.h:25:0, > from util/../perf-sys.h:10, > from util/../perf.h:15, > from util/event.h:7, > from util/event.c:3: > ~/arc/k.org/include/uapi/asm-generic/unistd.h:906:0: > warning: "__NR_fcntl64" redefined [enabled by default] > #define __NR_fcntl64 __NR3264_fcntl > ^ > In file included from > ~/arc/gnu/INSTALL_1412-arc-2014.12-rc1/arc-snps-linux-uclibc/sysroot/usr/include/sys/syscall.h:24:0, > from util/../perf-sys.h:6, > ----------------->8------------------- > > ------- ARM build ---------->8------------- > > CC FPIC plugin_scsi.o > In file included from util/../perf-sys.h:9:0, > from util/../perf.h:15, > from util/cache.h:7, > from perf.c:12: > ~/arc/k.org/arch/arm/include/uapi/asm/unistd.h:28:0: > warning: "__NR_restart_syscall" redefined [enabled by default] > In file included from > ~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/sys/syscall.h:25:0, > from util/../perf-sys.h:6, > from util/../perf.h:15, > from util/cache.h:7, > from perf.c:12: > ~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/bits/sysnum.h:17:0: > note: this is the location of the previous definition > ----------------->8------------------- Could you please point out what's the right logic for including those headers? I've always thought that just adding: #include <linux/unistd.h> should be safe no matter what.. feels like bug in one of those header files? (uClibc headers & kernel headers) thanks for info, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html