mirror of
https://sourceware.org/git/glibc.git
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a5a34d2eaf
This patch consolidates the open_by_handle_at Linux syscall generation on sysdeps/unix/sysv/linux/open_by_handle_at.c. It basically removes it from architectures auto-generation list. Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32, arch64-linux-gnu, arm-linux-gnueabihf, powerpc64le-linux-gnu, sparc64-linux-gnu, and sparcv9-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add open_by_handle_at. (CFLAGS-open_by_handle_at.c): New flag. * sysdeps/unix/sysv/linux/open_by_handle_at.c: New file. * sysdeps/unix/sysv/linux/syscalls.list (open_by_handle_at): New file. * misc/Makefile (CFLAGS-open_by_handle_at.c): New rule.
209 lines
6.7 KiB
Makefile
209 lines
6.7 KiB
Makefile
ifeq ($(subdir),csu)
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sysdep_routines += errno-loc
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endif
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ifeq ($(subdir),assert)
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CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
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CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
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endif
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ifeq ($(subdir),malloc)
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CFLAGS-malloc.c += -DMORECORE_CLEARS=2
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endif
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ifeq ($(subdir),misc)
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include $(firstword $(wildcard $(sysdirs:=/sysctl.mk)))
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sysdep_routines += clone umount umount2 readahead \
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setfsuid setfsgid epoll_pwait signalfd \
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eventfd eventfd_read eventfd_write prlimit \
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personality epoll_wait tee vmsplice splice \
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open_by_handle_at
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CFLAGS-gethostid.c = -fexceptions
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CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=(0x80000000-sysconf(_SC_PAGESIZE))"
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# Note that bits/mman-linux.h is listed here though the file lives in the
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# top-level bits/ subdirectory instead of here in sysdeps/.../linux/bits/.
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# That is just so that other (non-Linux) configurations for whom the
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# bits/mman-linux.h definitions work well do not have to duplicate the
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# contents of the file. The file must still be listed in sysdep_headers
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# here and in any non-Linux configuration that uses it; other
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# configurations will not install the file.
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sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
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sys/klog.h \
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sys/user.h sys/prctl.h \
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sys/kd.h sys/soundcard.h sys/vt.h \
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sys/quota.h sys/fsuid.h \
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scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
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sys/raw.h sys/personality.h sys/epoll.h \
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bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
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sys/timerfd.h sys/fanotify.h bits/eventfd.h bits/inotify.h \
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bits/signalfd.h bits/timerfd.h bits/epoll.h \
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bits/socket_type.h bits/syscall.h bits/sysctl.h \
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bits/mman-linux.h
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tests += tst-clone tst-clone2 tst-fanotify tst-personality tst-quota \
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tst-sync_file_range test-errno-linux
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# Generate the list of SYS_* macros for the system calls (__NR_* macros).
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# If there is more than one syscall list for different architecture
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# variants, the CPU/Makefile defines abi-variants to be a list of names
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# for those variants (e.g. 32 64), and, for each variant, defines
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# abi-$(variant)-options to be compiler options to cause <asm/unistd.h>
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# to define the desired list of syscalls and abi-$(variant)-condition to
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# be the condition for those options to use in a C #if condition.
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# abi-includes may be defined to a list of headers to include
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# in the generated header, if the default does not suffice.
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#
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# The generated header is compiled with `-ffreestanding' to avoid any
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# circular dependencies against the installed implementation headers.
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# Such a dependency would require the implementation header to be
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# installed before the generated header could be built (See bug 15711).
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# In current practice the generated header dependencies do not include
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# any of the implementation headers removed by the use of `-ffreestanding'.
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$(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h
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$(make-target-directory)
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{ \
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echo '/* Generated at libc build time from kernel syscall list. */';\
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echo ''; \
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echo '#ifndef _SYSCALL_H'; \
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echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
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echo '#endif'; \
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echo ''; \
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$(foreach h,$(abi-includes), echo '#include <$(h)>';) \
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echo ''; \
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$(if $(abi-variants), \
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$(foreach v,$(abi-variants),\
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$(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
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-x c $(sysincludes) $< $(abi-$(v)-options) \
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-D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort > $(@:.d=.h).new$(v); \
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$(if $(abi-$(v)-condition),\
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echo '#if $(abi-$(v)-condition)';) \
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cat $(@:.d=.h).new$(v); \
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$(if $(abi-$(v)-condition),echo '#endif';) \
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rm -f $(@:.d=.h).new$(v); \
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), \
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$(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
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-x c $(sysincludes) $< \
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-D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort;) \
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} > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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ifdef abi-variants
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ifneq (,$(objpfx))
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sed $(sed-remove-objpfx) \
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$(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
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else
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cat $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) \
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> $(@:.h=.d)-t3
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endif
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rm -f $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v))
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mv -f $(@:.h=.d)-t3 $(@:.h=.d)
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else
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mv -f $(@:.h=.d)-t $(@:.h=.d)
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endif
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ifndef no_deps
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# Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
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-include $(objpfx)bits/syscall.d
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endif
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generated += bits/syscall.h bits/syscall.d
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endif
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ifeq ($(subdir),time)
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sysdep_headers += sys/timex.h bits/timex.h
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sysdep_routines += ntp_gettime ntp_gettimex
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endif
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ifeq ($(subdir),socket)
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sysdep_headers += net/if_ppp.h net/ppp-comp.h \
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net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
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net/if_slip.h net/if_packet.h net/if_shaper.h
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sysdep_routines += cmsg_nxthdr
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CFLAGS-recvmmsg.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sendmmsg.c = -fexceptions -fasynchronous-unwind-tables
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endif
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ifeq ($(subdir),sunrpc)
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sysdep_headers += nfs/nfs.h
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endif
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ifeq ($(subdir),termios)
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sysdep_headers += termio.h
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endif
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ifeq ($(subdir),posix)
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sysdep_headers += bits/initspin.h
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sysdep_routines += sched_getcpu
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tests += tst-affinity tst-affinity-pid
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CFLAGS-fork.c = $(libio-mtsafe)
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CFLAGS-getpid.o = -fomit-frame-pointer
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CFLAGS-getpid.os = -fomit-frame-pointer
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endif
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ifeq ($(subdir),inet)
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sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
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netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
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netrom/netrom.h netpacket/packet.h netrose/rose.h \
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neteconet/ec.h netiucv/iucv.h
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sysdep_routines += netlink_assert_response
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endif
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# Don't compile the ctype glue code, since there is no old non-GNU C library.
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inhibit-glue = yes
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ifeq ($(subdir),dirent)
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sysdep_routines += getdirentries getdirentries64
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endif
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ifeq ($(subdir),nis)
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CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
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endif
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ifeq ($(subdir),io)
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sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
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sync_file_range fallocate fallocate64
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sysdep_headers += bits/fcntl-linux.h
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tests += tst-fallocate tst-fallocate64
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endif
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ifeq ($(subdir),elf)
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sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
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dl-fxstatat64
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libof-lddlibc4 = lddlibc4
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others += pldd
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install-bin += pldd
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$(objpfx)pldd: $(objpfx)xmalloc.o
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endif
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ifeq ($(subdir),rt)
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CFLAGS-mq_send.c += -fexceptions
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CFLAGS-mq_receive.c += -fexceptions
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endif
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ifeq ($(subdir),nscd)
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sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
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CFLAGS-gai.c += -DNEED_NETLINK
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endif
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ifeq ($(subdir),nptl)
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tests += tst-align-clone tst-getpid1 \
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tst-thread-affinity-pthread tst-thread-affinity-pthread2 \
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tst-thread-affinity-sched
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tests-internal += tst-setgetname
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endif
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