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38cade0c46
The resulting object file is statically linked into applications, so it is desirable to have (formal) stack protector coverage there.
213 lines
8.8 KiB
Makefile
213 lines
8.8 KiB
Makefile
# Copyright (C) 1998-2018 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, see
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# <http://www.gnu.org/licenses/>.
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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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include ../Makeconfig
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headers := execinfo.h
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# Note that ptsname_r_chk and getlogin_r are not here, but in
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# login/Makefile instead. If that subdir is omitted from the
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# build, its _FORTIFY_SOURCE support will be too.
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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 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 \
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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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fdelt_chk poll_chk ppoll_chk \
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explicit_bzero_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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# Don't add stack_chk_fail_local.o to libc.a since __stack_chk_fail_local
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# is an alias of __stack_chk_fail in stack_chk_fail.o.
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elide-routines.o := stack_chk_fail_local
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# Building the stack-protector failure routines with stack protection
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# is not required since we have already failed a stack check and are
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# exiting the process. However, the local aliases which jump to the
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# real routines should still be compiled with stack protection
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# (stack_chk_fail_local.c), so that the statically linked parts of the
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# library have the expected flags.
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CFLAGS-stack_chk_fail.c += $(no-stack-protector)
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CFLAGS-backtrace.c += -fno-omit-frame-pointer -funwind-tables
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CFLAGS-sprintf_chk.c += $(libio-mtsafe)
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CFLAGS-snprintf_chk.c += $(libio-mtsafe)
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CFLAGS-vsprintf_chk.c += $(libio-mtsafe)
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CFLAGS-vsnprintf_chk.c += $(libio-mtsafe)
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CFLAGS-asprintf_chk.c += $(libio-mtsafe)
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CFLAGS-vasprintf_chk.c += $(libio-mtsafe)
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CFLAGS-obprintf_chk.c += $(libio-mtsafe)
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CFLAGS-dprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-vdprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-printf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-vprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-vfprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-gets_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fgets_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fgets_u_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fread_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fread_u_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-swprintf_chk.c += $(libio-mtsafe)
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CFLAGS-vswprintf_chk.c += $(libio-mtsafe)
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CFLAGS-wprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fwprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-vwprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-vfwprintf_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fgetws_chk.c += $(libio-mtsafe) -fexceptions
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CFLAGS-fgetws_u_chk.c += $(libio-mtsafe) -fexceptions
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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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# Need to make sure the settings here override what configure might have
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# set up for us, so keep the CFLAGS/CPPFLAGS split logical as the order is:
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# <user CFLAGS> <test CFLAGS> <user CPPFLAGS> <test CPPFLAGS>
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CFLAGS-tst-longjmp_chk.c += -fexceptions -fasynchronous-unwind-tables
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CPPFLAGS-tst-longjmp_chk.c += -D_FORTIFY_SOURCE=1
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CFLAGS-tst-longjmp_chk2.c += -fexceptions -fasynchronous-unwind-tables
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CPPFLAGS-tst-longjmp_chk2.c += -D_FORTIFY_SOURCE=1
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CFLAGS-tst-longjmp_chk3.c += -fexceptions -fasynchronous-unwind-tables
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CPPFLAGS-tst-longjmp_chk3.c += -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. They are also testing
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# deprecated functions (notably gets) so disable that warning as well.
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# And they also generate warnings from warning attributes, which
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# cannot be disabled via pragmas, so require -Wno-error to be used.
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CFLAGS-tst-chk1.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk2.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk4.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk5.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-chk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk1.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk2.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk4.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk5.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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CFLAGS-tst-lfschk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
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LDLIBS-tst-chk4 = -lstdc++
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LDLIBS-tst-chk5 = -lstdc++
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LDLIBS-tst-chk6 = -lstdc++
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LDLIBS-tst-lfschk4 = -lstdc++
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LDLIBS-tst-lfschk5 = -lstdc++
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LDLIBS-tst-lfschk6 = -lstdc++
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# backtrace_symbols only works if we link with -rdynamic. backtrace
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# requires unwind tables on most architectures.
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CFLAGS-tst-backtrace2.c += -funwind-tables
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CFLAGS-tst-backtrace3.c += -funwind-tables
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CFLAGS-tst-backtrace4.c += -funwind-tables
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CFLAGS-tst-backtrace5.c += -funwind-tables
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CFLAGS-tst-backtrace6.c += -funwind-tables
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LDFLAGS-tst-backtrace2 = -rdynamic
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LDFLAGS-tst-backtrace3 = -rdynamic
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LDFLAGS-tst-backtrace4 = -rdynamic
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LDFLAGS-tst-backtrace5 = -rdynamic
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LDFLAGS-tst-backtrace6 = -rdynamic
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CFLAGS-tst-ssp-1.c += -fstack-protector-all
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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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tst-longjmp_chk2 tst-backtrace2 tst-backtrace3 tst-backtrace4 \
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tst-backtrace5 tst-backtrace6
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ifeq ($(have-ssp),yes)
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tests += tst-ssp-1
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endif
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ifeq (,$(CXX))
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tests-unsupported = tst-chk4 tst-chk5 tst-chk6 \
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tst-lfschk4 tst-lfschk5 tst-lfschk6
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endif
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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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ifeq ($(build-shared),yes)
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install-bin-script += catchsegv
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endif
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generated += catchsegv xtrace
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include ../Rules
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ifeq ($(run-built-tests),yes)
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LOCALES := de_DE.UTF-8
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include ../gen-locales.mk
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$(objpfx)tst-chk1.out: $(gen-locales)
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endif
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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|" \
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-e 's|@PKGVERSION@|$(PKGVERSION)|' \
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-e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $< > $@.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@|$(bindir)|' \
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-e 's|@PKGVERSION@|$(PKGVERSION)|' \
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-e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
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&& rm -f $@ && mv $@.new $@ && chmod +x $@
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