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b50f8e42ba
If longjmp restores the stack frame to an address which is beyond the stack frame at the time of the longjmp call it would install an uninitialized stack frame. If compiled with _FORTIFY_SOURCE defined, longjmp will now bail out in this situation.
174 lines
6.9 KiB
Makefile
174 lines
6.9 KiB
Makefile
# Copyright (C) 1998-2001,2004-2008, 2009 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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#
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# Sub-makefile for debug portion of the library.
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#
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subdir := debug
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headers := execinfo.h
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distribute = sigcontextinfo.h register-dump.h frame.h
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routines = backtrace backtracesyms backtracesymsfd noophooks \
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memcpy_chk memmove_chk mempcpy_chk memset_chk stpcpy_chk \
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strcat_chk strcpy_chk strncat_chk strncpy_chk stpncpy_chk \
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sprintf_chk vsprintf_chk snprintf_chk vsnprintf_chk \
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printf_chk fprintf_chk vprintf_chk vfprintf_chk \
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gets_chk chk_fail readonly-area fgets_chk fgets_u_chk \
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read_chk pread_chk pread64_chk recv_chk recvfrom_chk \
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readlink_chk readlinkat_chk getwd_chk getcwd_chk \
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realpath_chk ptsname_r_chk fread_chk fread_u_chk \
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wctomb_chk wcscpy_chk wmemcpy_chk wmemmove_chk wmempcpy_chk \
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wcpcpy_chk wcsncpy_chk wcscat_chk wcsncat_chk wmemset_chk \
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wcpncpy_chk \
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swprintf_chk vswprintf_chk wprintf_chk fwprintf_chk \
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vwprintf_chk vfwprintf_chk fgetws_chk fgetws_u_chk \
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confstr_chk getgroups_chk ttyname_r_chk getlogin_r_chk \
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gethostname_chk getdomainname_chk wcrtomb_chk mbsnrtowcs_chk \
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wcsnrtombs_chk mbsrtowcs_chk wcsrtombs_chk mbstowcs_chk \
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wcstombs_chk asprintf_chk vasprintf_chk dprintf_chk \
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vdprintf_chk obprintf_chk \
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longjmp_chk ____longjmp_chk \
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stack_chk_fail fortify_fail \
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$(static-only-routines)
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static-only-routines := warning-nop stack_chk_fail_local
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CFLAGS-backtrace.c = -fno-omit-frame-pointer
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CFLAGS-sprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-snprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vsprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vsnprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-asprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vasprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-obprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-dprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vdprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-printf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vfprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-gets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgets_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgets_u_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fread_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fread_u_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-swprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-vswprintf_chk.c = -D_IO_MTSAFE_IO
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CFLAGS-wprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fwprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vwprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-vfwprintf_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgetws_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-fgetws_u_chk.c = -D_IO_MTSAFE_IO $(exceptions)
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CFLAGS-read_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread64_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-recv_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-recvfrom_chk.c = -fexceptions -fasynchronous-unwind-tables
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CFLAGS-tst-longjmp_chk.c = -fexceptions -fasynchronous-unwind-tables \
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-D_FORTIFY_SOURCE=1
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# We know these tests have problems with format strings, this is what
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# we are testing. Disable that warning.
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CFLAGS-tst-chk1.c = -Wno-format
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CFLAGS-tst-chk2.c = -Wno-format
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CFLAGS-tst-chk3.c = -Wno-format
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CFLAGS-tst-chk4.cc = -Wno-format
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CFLAGS-tst-chk5.cc = -Wno-format
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CFLAGS-tst-chk6.cc = -Wno-format
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CFLAGS-tst-lfschk1.c = -Wno-format
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CFLAGS-tst-lfschk2.c = -Wno-format
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CFLAGS-tst-lfschk3.c = -Wno-format
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CFLAGS-tst-lfschk4.cc = -Wno-format
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CFLAGS-tst-lfschk5.cc = -Wno-format
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CFLAGS-tst-lfschk6.cc = -Wno-format
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tst-chk1-ENV = LOCPATH=$(common-objpfx)localedata
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tst-chk2-ENV = LOCPATH=$(common-objpfx)localedata
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tst-chk3-ENV = LOCPATH=$(common-objpfx)localedata
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tst-chk4-ENV = LOCPATH=$(common-objpfx)localedata
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tst-chk5-ENV = LOCPATH=$(common-objpfx)localedata
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tst-chk6-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk1-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk2-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk3-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk4-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk5-ENV = LOCPATH=$(common-objpfx)localedata
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tst-lfschk6-ENV = LOCPATH=$(common-objpfx)localedata
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LDFLAGS-tst-chk4 = -lstdc++
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LDFLAGS-tst-chk5 = -lstdc++
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LDFLAGS-tst-chk6 = -lstdc++
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LDFLAGS-tst-lfschk4 = -lstdc++
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LDFLAGS-tst-lfschk5 = -lstdc++
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LDFLAGS-tst-lfschk6 = -lstdc++
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tests = backtrace-tst tst-longjmp_chk tst-chk1 tst-chk2 tst-chk3 \
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tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk \
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tst-chk4 tst-chk5 tst-chk6 tst-lfschk4 tst-lfschk5 tst-lfschk6
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extra-libs = libSegFault libpcprofile
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extra-libs-others = $(extra-libs)
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libSegFault-routines = segfault
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libSegFault-inhibit-o = $(filter-out .os,$(object-suffixes))
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libpcprofile-routines = pcprofile
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libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
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others = pcprofiledump
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install-bin = pcprofiledump
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install-bin-script = xtrace
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include ../Makeconfig
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distribute += catchsegv.sh xtrace.sh
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ifeq ($(elf),yes)
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ifeq ($(build-shared),yes)
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install-bin-script += catchsegv
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endif
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endif
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generated = catchsegv xtrace
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include ../Rules
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sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
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$(objpfx)catchsegv: catchsegv.sh $(common-objpfx)soversions.mk \
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$(common-objpfx)config.make
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slibpfx=`echo $(slibdir)|sed 's/lib\(64\|\)$$/\\\\\\\\$$LIB/'`; \
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sed -e 's|@VERSION@|$(version)|' -e "s|@SLIB@|$$slibpfx|" $< > $@.new
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chmod 555 $@.new
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mv -f $@.new $@
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$(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
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$(objpfx)xtrace: xtrace.sh
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rm -f $@.new
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sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
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-e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' $^ > $@.new \
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&& rm -f $@ && mv $@.new $@ && chmod +x $@
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# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
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# This ensures they will load libc.so for needed symbols if loaded by
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# a statically-linked program that hasn't already loaded it.
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$(objpfx)libSegFault.so: $(common-objpfx)libc.so \
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$(common-objpfx)libc_nonshared.a \
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$(elf-objpfx)$(rtld-installed-name)
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$(objpfx)libpcprofile.so: $(common-objpfx)libc.so \
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$(common-objpfx)libc_nonshared.a \
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$(elf-objpfx)$(rtld-installed-name)
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