- adds several config-options to allow for turning off certain features

  like
  o UCLIBC_HAS_GNU_ERROR
  o UCLIBC_HAS_BSD_ERR
  o UCLIBC_HAS_PTY
  o UCLIBC_HAS_GETPT (1)
  o UCLIBC_SYSCALL_STUBS
  o UCLIBC_SYSCALL_STUB_WARNING
  o UCLIBC_LINUX_SPECIFIC (2)
  o UCLIBC_BSD_SPECIFIC (3)
  o UCLIBC_NTP_LEGACY (4)
  o UCLIBC_SV4_DEPRECATED (5)
  o UCLIBC_HAVE_REALTIME (6)
  o UCLIBC_HAVE_ADVANCED_REALTIME (7)
  o UCLIBC_HAVE_EPOLL (8)
  o UCLIBC_HAVE_XATTR (9)
  o UCLIBC_HAVE_PROFILING (10)

(1) make non-standard getpt optional and implement standard posix_openpt
(2) fstatfs(), inotify_*(), ioperm(), iopl(), madvise(), modify_ldt(),
    personality()
    ppoll(), setresuid()
(3) mincore(), getdomainname(), setdomainname()
(4) ntp_adjtime(), ntp_gettime() aliases
(5) ustat() [use statfs(2) in your code instead]
(6) All marked as "(REALTIME)" in SUSv3
(7) All marked as "(ADVANCED REALTIME)" in SUSv3
(8) epoll_create(), epoll_ctl(), epoll_wait()
(9) all Extended Attributes
(10) helpers for gcc's -finstrument-functions

- Fixes _dl_exit()
- Implements sleep(3) for !UCLIBC_HAVE_REALTIME
- Implements usleep(3) for !UCLIBC_HAVE_REALTIME
- adds #warning about incorrect posix_fadvise{,64}()
- removes unused and unwanted uselib()

Net outcome is that an allnoconfig with HAVE_SHARED is now about 88k instead 
of formerly 130k.

1 files changed, 8 insertions, 2 deletions

diff --git a/libc/stdlib/Makefile.in b/libc/stdlib/Makefile.in
index ad2a95935..dfef6d18e 100644
--- a/libc/stdlib/Makefile.in
+++ b/libc/stdlib/Makefile.in
@@ -12,10 +12,16 @@ include $(top_srcdir)libc/stdlib/malloc-standard/Makefile.in
 CSRC := \
 	abort.c getenv.c mkdtemp.c mktemp.c realpath.c mkstemp.c \
 	rand.c random.c random_r.c setenv.c system.c div.c ldiv.c lldiv.c \
-	getpt.c ptsname.c grantpt.c unlockpt.c drand48-iter.c jrand48.c \
+	getpt.c drand48-iter.c jrand48.c \
 	jrand48_r.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
 	nrand48_r.c rand_r.c srand48.c srand48_r.c seed48.c seed48_r.c \
-	valloc.c posix_memalign.c a64l.c l64a.c __uc_malloc.c
+	valloc.c a64l.c l64a.c __uc_malloc.c
+ifeq ($(UCLIBC_HAS_ADVANCED_REALTIME),y)
+CSRC += posix_memalign.c
+endif
+ifeq ($(UCLIBC_HAS_PTY),y)
+CSRC += grantpt.c unlockpt.c ptsname.c
+endif
 ifeq ($(UCLIBC_HAS_ARC4RANDOM),y)
 CSRC += arc4random.c
 endif