Merge remote-tracking branch 'origin/master' into prelink

* origin/master: (32 commits)
  libubacktrace: fix backtrace support on arm-eabi, which needs libgcc_eh linked too
  getaddrinfo.c: fix incorrect check for ERANGE from gethostbyaddr_r
  getaddrinfo.c: improve code readability. No functional changes
  string: remove unused variable
  x86_64: silence warning if !TLS
  buildsys: prettify ssp.c handling
  madvise is LINUX_SPECIFIC
  test_nptl: fix expected result for tst-cputimer[123]
  test_nptl: fix expected result for tst-clock2 test
  buildsys: make $(LOCAL_INSTALL_PATH) phony
  ether_aton: reject invalid input
  tests: disable ether tests if !HAS_SOCKET
  inet: add ether_aton testcase
  sysconf: clock_getres depends on HAS_REALTIME
  __rt_sigwaitinfo: depends on HAS_REALTIME
  buildsys: minor fixes in Makefile.arch for C6X
  buildsys: minor fixes in Makefile.arch for microblaze
  libubacktrace: enabled for all archs indeed.
  sparc: don't access fp registers when configured for no fpu
  libubacktrace: generic implementation based dwarf
  ...

Conflicts:
	ldso/ldso/dl-elf.c
	ldso/ldso/mips/elfinterp.c
	ldso/ldso/x86_64/elfinterp.c

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

5 files changed, 9 insertions, 13 deletions

diff --git a/libc/sysdeps/linux/Makefile.commonarch b/libc/sysdeps/linux/Makefile.commonarch
index 4e4815949..c1bc5df30 100644
--- a/libc/sysdeps/linux/Makefile.commonarch
+++ b/libc/sysdeps/linux/Makefile.commonarch
@@ -36,6 +36,6 @@ $(ARCH_HEADERS_OUT):
 headers-y += $(ARCH_HEADERS_OUT)
 headers_clean-y += HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT))
 HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT)):
-	$(RM) $(ARCH_HEADERS_OUT)
+	$(do_rm) $(ARCH_HEADERS_OUT)
 
 endif
diff --git a/libc/sysdeps/linux/c6x/Makefile.arch b/libc/sysdeps/linux/c6x/Makefile.arch
index 3e8dace07..6bb44f203 100644
--- a/libc/sysdeps/linux/c6x/Makefile.arch
+++ b/libc/sysdeps/linux/c6x/Makefile.arch
@@ -6,10 +6,5 @@
 #
 
 CSRC := brk.c pread_write.c syscall.c prctl.c
-#CSRC :=
 
 SSRC := __longjmp.S bsd-_setjmp.S bsd-setjmp.S clone.S setjmp.S _vfork.S
-#SSRC :=
-
-# libc-nonshared-y += $(ARCH_OUT)/_syscall.os
-
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index 3f9791104..8811268d0 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -14,18 +14,19 @@ CSRC-  := ssp-local.c
 CSRC_LFS := $(notdir $(wildcard $(COMMON_DIR)/*64.c))
 CSRC-y := $(filter-out llseek.c $(CSRC_LFS),$(CSRC-y))
 CSRC-$(UCLIBC_HAS_LFS) += llseek.c $(CSRC_LFS)
-
-CSRC-$(if $(or $(UCLIBC_HAS_SSP),$(UCLIBC_HAS_FORTIFY)),y) += ssp.c
+CSRC-$(findstring y,$(UCLIBC_HAS_SSP)$(UCLIBC_HAS_FORTIFY)) += ssp.c
 CSRC-$(UCLIBC_LINUX_MODULE_24) += create_module.c query_module.c \
 	get_kernel_syms.c
 # we need these internally: fstatfs.c statfs.c
 CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \
-	modify_ldt.c personality.c ppoll.c prctl.c readahead.c reboot.c \
+	madvise.c modify_ldt.c personality.c ppoll.c prctl.c readahead.c reboot.c \
 	remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \
 	sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \
 	splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \
 	sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c
-CSRC-$(if $(and $(UCLIBC_LINUX_SPECIFIC),$(UCLIBC_HAS_THREADS_NATIVE)),y) += madvise.c
+ifeq ($(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE),yy)
+CSRC-y += madvise.c
+endif
 ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
 CSRC- += fork.c getpid.c raise.c open.c close.c read.c write.c
 CSRC- += $(if $(findstring =arm=,=$(TARGET_ARCH)=),vfork.c)
@@ -40,7 +41,7 @@ CSRC-$(UCLIBC_NTP_LEGACY) += ntp_gettime.c
 # aio_cancel|aio_error|aio_fsync|aio_read|aio_return|aio_suspend|aio_write|clock_getres|clock_gettime|clock_settime|clock_settime|fdatasync|lio_listio|mlockall|munlockall|mlock|munlock|mq_close|mq_getattr|mq_notify|mq_open|mq_receive|mq_timedreceive|mq_send|mq_timedsend|mq_setattr|mq_unlink|nanosleep|sched_getparam|sched_get_priority_max|sched_get_priority_min|sched_getscheduler|sched_rr_get_interval|sched_setparam|sched_setscheduler|sem_close|sem_destroy|sem_getvalue|sem_init|sem_open|sem_post|sem_trywait|sem_wait|sem_unlink|sem_wait|shm_open|shm_unlink|sigqueue|sigtimedwait|sigwaitinfo|sigwaitinfo|timer_create|timer_delete|timer_getoverrun|timer_gettime|timer_settime
 CSRC-$(UCLIBC_HAS_REALTIME) += clock_getres.c clock_gettime.c clock_settime.c \
 	fdatasync.c mlockall.c mlock.c munlockall.c munlock.c \
-	nanosleep.c __rt_sigtimedwait.c sched_getparam.c \
+	nanosleep.c __rt_sigtimedwait.c __rt_sigwaitinfo.c sched_getparam.c \
 	sched_get_priority_max.c sched_get_priority_min.c sched_getscheduler.c \
 	sched_rr_get_interval.c sched_setparam.c sched_setscheduler.c sigqueue.c
 # clock_getcpuclockid|clock_nanosleep|mq_timedreceive|mq_timedsend|posix_fadvise|posix_fallocate|posix_madvise|posix_memalign|posix_mem_offset|posix_spawnattr_destroy|posix_spawnattr_init|posix_spawnattr_getflags|posix_spawnattr_setflags|posix_spawnattr_getpgroup|posix_spawnattr_setpgroup|posix_spawnattr_getschedparam|posix_spawnattr_setschedparam|posix_spawnattr_getschedpolicy|posix_spawnattr_setschedpolicy|posix_spawnattr_getsigdefault|posix_spawnattr_setsigdefault|posix_spawnattr_getsigmask|posix_spawnattr_setsigmask|posix_spawnattr_init|posix_spawnattr_setflags|posix_spawnattr_setpgroup|posix_spawnattr_setschedparam|posix_spawnattr_setschedpolicy|posix_spawnattr_setsigdefault|posix_spawnattr_setsigmask|posix_spawn_file_actions_addclose|posix_spawn_file_actions_addopen|posix_spawn_file_actions_adddup2|posix_spawn_file_actions_addopen|posix_spawn_file_actions_destroy|posix_spawn_file_actions_init|posix_spawn_file_actions_init|posix_spawn|posix_spawnp|posix_spawnp|posix_typed_mem_get_info|pthread_mutex_timedlock|sem_timedwait
diff --git a/libc/sysdeps/linux/microblaze/Makefile.arch b/libc/sysdeps/linux/microblaze/Makefile.arch
index ecbd80141..c80c65085 100644
--- a/libc/sysdeps/linux/microblaze/Makefile.arch
+++ b/libc/sysdeps/linux/microblaze/Makefile.arch
@@ -10,5 +10,3 @@ CSRC := mmap.c clone.c fixdfsi.c
 SSRC := setjmp.S __longjmp.S vfork.S
 
 ARCH_HEADERS := floatlib.h
-
-include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
diff --git a/libc/sysdeps/linux/sparc/soft-fp/sfp-machine.h b/libc/sysdeps/linux/sparc/soft-fp/sfp-machine.h
index f1211705e..ecf9506b6 100644
--- a/libc/sysdeps/linux/sparc/soft-fp/sfp-machine.h
+++ b/libc/sysdeps/linux/sparc/soft-fp/sfp-machine.h
@@ -187,6 +187,7 @@
 
 #define _FP_DECL_EX	fpu_control_t _fcw
 
+#ifdef __UCLIBC_HAS_FPU__
 #define FP_INIT_ROUNDMODE					\
 do {								\
   _FPU_GETCW(_fcw);						\
@@ -211,3 +212,4 @@ do {								\
   else								\
     ___Q_simulate_exceptions (_fex);			        \
 } while (0)
+#endif