Commit dfa593d4d881116723a4401b466ea964fb12327b ("syncfs: add system call support") modified the #if condition around the definition of the syncfs() prototype in a way that doesn't build, causing build failures of any file including <unistd.h>: output/host/usr/powerpc-buildroot-linux-uclibc/sysroot/usr/include/unistd.h:988:14: error: #if with no expression #if __USE_GNU Signed-off-by: Thomas Petazzoni &lt;thomas.petazzoni(a)free-electrons.com&gt; Reported-by: Xi-Sheng Luo &lt;lxsjason(a)gmail.com&gt; --- include/unistd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/unistd.h b/include/unistd.h index 4701dab..40d6abd 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -1073,7 +1073,7 @@ extern char *getpass (const char *__prompt) __nonnull ((1)); extern int fsync (int __fd); #endif /* Use BSD || X/Open || Unix98. */ -#if __USE_GNU +#if defined __USE_GNU /* Make all changes done to all files on the file system associated * with FD actually appear on disk. */ extern int syncfs (int __fd) __THROW; -- 2.6.2 _______________________________________________ devel mailing list devel(a)uclibc-ng.org http://mailman.uclibc-ng.org/cgi-bin/mailman/listinfo/devel