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https://sourceware.org/git/glibc.git
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df648905e7
Continuing the process of building up and using Python infrastructure for extracting and using values in headers, this patch adds a test that MAP_* constants from sys/mman.h agree with those in the Linux kernel headers. (Other sys/mman.h constants could be added to the test separately.) This set of constants has grown over time, so the generic code is enhanced to allow saying extra constants are OK on either side of the comparison (where the caller sets those parameters based on the Linux kernel headers version, compared with the version the headers were last updated from). Although the test is a custom Python file, my intention is to move in future to a single Python script for such tests and text files it takes as inputs, once there are enough examples to provide a guide to the common cases in such tests (I'd like to end up with most or all such sets of constants copied from kernel headers having such tests, and likewise for structure layouts from the kernel). The Makefile code is essentially the same as for tst-signal-numbers, but I didn't try to find an object file to depend on to represent the dependency on the headers used by the test (the conform/ tests don't try to represent such header dependencies at all, for example). Tested with build-many-glibcs.py, and also for x86_64 with older kernel headers. * scripts/glibcextract.py (compare_macro_consts): Take parameters to allow extra macros from first or second sources. * sysdeps/unix/sysv/linux/tst-mman-consts.py: New file. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (tests-special): Add $(objpfx)tst-mman-consts.out. ($(objpfx)tst-mman-consts.out): New makefile target.
230 lines
7.4 KiB
Makefile
230 lines
7.4 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 mlock2 pkey_mprotect pkey_set pkey_get
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CFLAGS-gethostid.c = -fexceptions
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CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-vmsplice.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-splice.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-open_by_handle_at.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sync_file_range.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=(0x80000000-sysconf(_SC_PAGESIZE))"
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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 bits/mman-shared.h bits/ptrace-shared.h \
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bits/siginfo-arch.h bits/siginfo-consts-arch.h \
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bits/procfs.h bits/procfs-id.h bits/procfs-extra.h \
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bits/procfs-prregset.h bits/mman-map-flags-generic.h \
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bits/msq-pad.h bits/sem-pad.h bits/shmlba.h bits/shm-pad.h
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tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
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tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
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test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \
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tst-rlimit-infinity tst-ofdlocks
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tests-internal += tst-ofdlocks-compat
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# Generate the list of SYS_* macros for the system calls (__NR_*
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# macros). The file syscall-names.list contains all possible system
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# call names, and the generated header file produces SYS_* macros for
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# the __NR_* macros which are actually defined.
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generated += bits/syscall.h
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$(objpfx)bits/syscall.h: \
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../sysdeps/unix/sysv/linux/gen-syscall-h.awk \
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../sysdeps/unix/sysv/linux/syscall-names.list
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$(make-target-directory)
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LC_ALL=C $(AWK) -f $^ > $@-tmp
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$(move-if-change) $@-tmp $@
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before-compile += $(objpfx)bits/syscall.h
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# All macros defined by <sys/syscall.h>. Include <bits/syscall.h>
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# explicitly because <sys/sycall.h> skips it if _LIBC is defined.
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$(objpfx)tst-syscall-list-macros.list: \
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$(objpfx)bits/syscall.h ../sysdeps/unix/sysv/linux/sys/syscall.h
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printf '#include <linux/version.h>\n\
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#include <sys/syscall.h>\n#include <bits/syscall.h>\n' | \
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$(CC) -E -o $@-tmp $(CFLAGS) $(CPPFLAGS) -x c - -dM
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$(move-if-change) $@-tmp $@
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# __NR_* system call names. Used by the test below.
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$(objpfx)tst-syscall-list-nr.list: \
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../sysdeps/unix/sysv/linux/filter-nr-syscalls.awk \
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$(objpfx)tst-syscall-list-macros.list
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LC_ALL=C $(AWK) -f $^ > $@-tmp
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$(move-if-change) $@-tmp $@
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# SYS_* system call names. Used by the test below.
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$(objpfx)tst-syscall-list-sys.list: $(objpfx)tst-syscall-list-macros.list
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LC_ALL=C $(AWK) '/^#define SYS_/ { print substr($$2, 5) }' $< > $@-tmp
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$(move-if-change) $@-tmp $@
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tests-special += $(objpfx)tst-syscall-list.out
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$(objpfx)tst-syscall-list.out: \
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../sysdeps/unix/sysv/linux/tst-syscall-list.sh \
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$(objpfx)tst-syscall-list-macros.list \
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$(objpfx)tst-syscall-list-nr.list \
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$(objpfx)tst-syscall-list-sys.list
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$(BASH) $^ $(AWK) > $@; $(evaluate-test)
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# Separate object file for access to the constant from the UAPI header.
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$(objpfx)tst-sysconf-iov_max: $(objpfx)tst-sysconf-iov_max-uapi.o
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$(objpfx)tst-pkey: $(shared-thread-library)
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tests-special += $(objpfx)tst-mman-consts.out
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$(objpfx)tst-mman-consts.out: ../sysdeps/unix/sysv/linux/tst-mman-consts.py
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PYTHONPATH=../scripts \
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$(PYTHON) ../sysdeps/unix/sysv/linux/tst-mman-consts.py \
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--cc="$(CC) $(patsubst -DMODULE_NAME=%, \
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-DMODULE_NAME=testsuite, \
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$(CPPFLAGS))" \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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endif # $(subdir) == misc
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ifeq ($(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),signal)
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tests-special += $(objpfx)tst-signal-numbers.out
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# Depending on signal.o* is a hack. What we actually want is a dependency
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# on signal.h and everything it includes. That's impractical to write
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# in this context, but signal.c includes signal.h and not much else so it'll
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# be conservatively correct.
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$(objpfx)tst-signal-numbers.out: \
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../sysdeps/unix/sysv/linux/tst-signal-numbers.py \
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$(objpfx)signal.o*
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PYTHONPATH=../scripts \
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$(PYTHON) ../sysdeps/unix/sysv/linux/tst-signal-numbers.py \
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--cc="$(CC) $(patsubst -DMODULE_NAME=%, \
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-DMODULE_NAME=testsuite, \
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$(CPPFLAGS))" \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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endif
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ifeq ($(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 oldglob getcpu
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tests += tst-affinity tst-affinity-pid
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tests-static := tst-affinity-static
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tests += $(tests-static)
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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 ($(subdir),dirent)
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sysdep_routines += getdirentries getdirentries64
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tests-internal += tst-readdir64-compat
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endif
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ifeq ($(subdir),nis)
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CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
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endif
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ifeq ($(subdir),io)
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sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
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sync_file_range fallocate fallocate64 \
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close_nocancel fcntl_nocancel nanosleep_nocancel \
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open_nocancel open64_nocancel \
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openat_nocancel openat64_nocancel \
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pause_nocancel read_nocancel waitpid_nocancel \
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write_nocancel statx_cp
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sysdep_headers += bits/fcntl-linux.h
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tests += tst-fallocate tst-fallocate64
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endif
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ifeq ($(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 ($(subdir),nscd)
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sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_INOTIFY -DHAVE_NETLINK
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CFLAGS-gai.c += -DNEED_NETLINK
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endif
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ifeq ($(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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