mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 13:30:06 +00:00
ecf2661281
For !__ASSUME_TIME64_SYSCALLS there is no need to issue a 64-bit syscall if the provided timeout fits in a 32-bit one. The 64-bit usage should be rare since the timeout is a relative one. This also avoids the need to use supports_time64() (which breaks the usage case of live migration like CRIU or similar). Checked on i686-linux-gnu on a 4.15 kernel and on a 5.11 kernel (with and without --enable-kernel=5.1) and on x86_64-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
344 lines
12 KiB
Makefile
344 lines
12 KiB
Makefile
# Option to pass to Python scripts to set the C compiler. Rewriting
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# MODULE_NAME is required to enable the _ISOMAC verbatim header
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# environment.
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sysdeps-linux-python-cc = \
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--cc="$(CC) $(patsubst -DMODULE_NAME=%,-DMODULE_NAME=testsuite,$(CPPFLAGS))"
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# Additional dependencies for Python scripts.
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sysdeps-linux-python-deps = \
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$(..)sysdeps/unix/sysv/linux/glibcsyscalls.py \
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$(..)scripts/glibcextract.py
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# Invocation of the Python interpreter with the Python search path.
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sysdeps-linux-python = \
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PYTHONPATH=$(..)scripts:$(..)sysdeps/unix/sysv/linux $(PYTHON)
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ifndef subdir
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# This target performs two actions:
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#
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# Replace <arch-syscall.h> with a file generated from kernel headers
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# and <fixup-asm-unistd.h>. Both files are located via the sysdeps
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# override search path.
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#
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# Update sysdeps/unix/sysv/linux/syscall-names.list with additional
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# names found in the generated <arch-syscall.h> file, so that the
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# global system call names list is a superset of the
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# architecture-specific system call names.
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#
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# To bootstrap a new architecture, create an empty file in the right
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# place and run `make update-syscall-lists' from the top-level of a
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# configured, but not-yet-built glibc tree.
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#
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# --lock points to a file not replaced during the update operation, so
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# that mutual exclusion is achieved.
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.PHONY: update-syscall-lists
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update-syscall-lists: arch-syscall.h
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$(sysdeps-linux-python) \
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sysdeps/unix/sysv/linux/update-syscall-lists.py \
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$(sysdeps-linux-python-cc) \
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--lock=sysdeps/unix/sysv/linux/update-syscall-lists.py $< \
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sysdeps/unix/sysv/linux/syscall-names.list
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endif
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ifeq ($(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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sysdep_routines += adjtimex clone umount umount2 readahead sysctl \
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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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timerfd_gettime timerfd_settime prctl \
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process_vm_readv process_vm_writev clock_adjtime \
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time64-support pselect32 \
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xstat fxstat lxstat xstat64 fxstat64 lxstat64 \
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fxstatat fxstatat64 \
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xmknod xmknodat convert_scm_timestamps
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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-pselect32.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 \
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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 \
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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/shmlba.h \
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bits/termios-struct.h bits/termios-c_cc.h \
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bits/termios-c_iflag.h bits/termios-c_oflag.h \
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bits/termios-baud.h bits/termios-c_cflag.h \
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bits/termios-c_lflag.h bits/termios-tcflow.h \
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bits/termios-misc.h \
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bits/types/struct_semid_ds.h \
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bits/types/struct_msqid_ds.h \
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bits/types/struct_shmid_ds.h \
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bits/ipc-perm.h \
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bits/struct_stat.h \
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bits/struct_stat_time64_helper.h \
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bits/types/struct_msqid64_ds.h \
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bits/types/struct_msqid64_ds_helper.h \
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bits/types/struct_semid64_ds.h \
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bits/types/struct_semid64_ds_helper.h \
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bits/types/struct_shmid64_ds.h \
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bits/types/struct_shmid64_ds_helper.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 tst-gettid tst-gettid-kill \
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tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \
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tst-timerfd tst-ppoll \
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tst-clock_adjtime tst-adjtimex tst-ntp_adjtime tst-ntp_gettime \
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tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone
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# Test for the symbol version of fcntl that was replaced in glibc 2.28.
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ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes)
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tests += tst-ofdlocks-compat
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endif
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tests-internal += tst-sigcontext-get_pc
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tests-time64 += \
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tst-adjtimex-time64 \
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tst-clock_adjtime-time64 \
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tst-ntp_adjtime-time64 \
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tst-ntp_gettime-time64 \
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tst-ntp_gettimex-time64 \
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tst-ppoll-time64 \
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tst-sigtimedwait-time64 \
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tst-timerfd-time64 \
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CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
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ifeq (yes,$(build-shared))
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librt = $(common-objpfx)rt/librt.so
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else
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librt = $(common-objpfx)rt/librt.a
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endif
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$(objpfx)tst-ppoll: $(librt)
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$(objpfx)tst-ppoll-time64: $(librt)
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# Generate the list of SYS_* macros for the system calls (__NR_*
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# macros). The file syscall-names.list contains all possible system
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# call names, and the generated header file produces SYS_* macros for
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# the __NR_* macros which are actually defined.
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generated += bits/syscall.h
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$(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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tests-special += $(objpfx)tst-glibcsyscalls.out
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# arch-syscall.h is located via the sysdeps override search path.
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$(objpfx)tst-glibcsyscalls.out: arch-syscall.h \
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../sysdeps/unix/sysv/linux/syscall-names.list
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$(sysdeps-linux-python) \
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../sysdeps/unix/sysv/linux/tst-glibcsyscalls.py \
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$(sysdeps-linux-python-cc) $< \
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../sysdeps/unix/sysv/linux/syscall-names.list \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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$(objpfx)tst-glibcsyscalls.out: \
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../sysdeps/unix/sysv/linux/tst-glibcsyscalls.py \
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$(sysdeps-linux-python-deps)
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# Separate object file for access to the constant from the UAPI header.
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$(objpfx)tst-sysconf-iov_max: $(objpfx)tst-sysconf-iov_max-uapi.o
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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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$(sysdeps-linux-python) \
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../sysdeps/unix/sysv/linux/tst-mman-consts.py \
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$(sysdeps-linux-python-cc) \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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$(objpfx)tst-mman-consts.out: $(sysdeps-linux-python-deps)
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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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$(objpfx)signal.o*
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$(sysdeps-linux-python) \
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../sysdeps/unix/sysv/linux/tst-signal-numbers.py \
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$(sysdeps-linux-python-cc) \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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$(objpfx)tst-signal-numbers.out: $(sysdeps-linux-python-deps)
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endif
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ifeq ($(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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bits/socket-constants.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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tests-special += $(objpfx)tst-socket-consts.out
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$(objpfx)tst-socket-consts.out: ../sysdeps/unix/sysv/linux/tst-socket-consts.py
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PYTHONPATH=../scripts \
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$(PYTHON) ../sysdeps/unix/sysv/linux/tst-socket-consts.py \
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--cc="$(CC) $(patsubst -DMODULE_NAME=%, \
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-DMODULE_NAME=testsuite, \
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$(CPPFLAGS)) -D_ISOMAC" \
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< /dev/null > $@ 2>&1; $(evaluate-test)
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endif # $(subdir) == socket
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ifeq ($(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 ($(subdir),dirent)
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sysdep_routines += getdirentries getdirentries64
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tests += tst-getdents64
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# The tested readdir64 symbol was replaced in glibc 2.2.
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ifeq ($(have-GLIBC_2.1.3)$(build-shared),yesyes)
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tests += tst-readdir64-compat
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endif
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endif # $(subdir) == dirent
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ifeq ($(subdir),nis)
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CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
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endif
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ifeq ($(subdir),io)
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sysdep_routines += xstatconv internal_statvfs \
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sync_file_range fallocate fallocate64 \
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close_nocancel fcntl_nocancel \
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open_nocancel open64_nocancel \
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openat_nocancel openat64_nocancel \
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read_nocancel pread64_nocancel \
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write_nocancel statx_cp stat_t64_cp
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sysdep_headers += bits/fcntl-linux.h
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tests += tst-fallocate tst-fallocate64 tst-o_path-locks
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endif
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ifeq ($(subdir),elf)
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sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir
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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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endif
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