* config.make.in (fno-unit-at-a-time): Define.
* configure.in: Add test for -fno-unit-at-a-time. Fix text for -fpie. * csu/Makefile (CFLAGS-initfini.s): Add $(fno_unit_at_a_time). * locale/Makefile (CFLAGS-loadlocale.c): Likewise. For linuxthreads: * Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time). * sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s): Likewise. For nptl: * Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time). * sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s): Likewise.
This commit is contained in:
Andreas Jaeger
parent
3583ea8524
commit
4980310856
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@ -55,6 +55,7 @@ have-cpp-asm-debuginfo = @libc_cv_cpp_asm_debuginfo@
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enable-check-abi = @enable_check_abi@
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have-forced-unwind = @libc_cv_forced_unwind@
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have-fpie = @libc_cv_fpie@
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fno-unit-at-a-time = @fno_unit_at_a_time@
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static-libgcc = @libc_cv_gcc_static_libgcc@
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@ -312,7 +312,7 @@ ac_includes_default="\
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# include <unistd.h>
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#endif"
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
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ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup ASFLAGS_config libc_cv_z_combreloc libc_cv_z_execstack libc_cv_fpie fno_unit_at_a_time libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir libc_cv_forced_unwind use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS'
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ac_subst_files=''
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# Initialize some variables set by options.
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@ -5428,6 +5428,7 @@ if test "${libc_cv_fpie+set}" = set; then
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else
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cat > conftest.c <<EOF
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int foo;
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main () { return 0;}
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
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-o conftest conftest.c 1>&5'
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@ -5449,6 +5450,35 @@ echo "${ECHO_T}$libc_cv_fpie" >&6
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fi
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echo "$as_me:$LINENO: checking for -fno-unit-at-a-time" >&5
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echo $ECHO_N "checking for -fno-unit-at-a-time... $ECHO_C" >&6
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if test "${libc_cv_fno_unit_at_a_time+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat > conftest.c <<EOF
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int foo;
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
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conftest.c 1>&5'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }
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then
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libc_cv_fno_unit_at_a_time=yes
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else
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libc_cv_fno_unit_at_a_time=no
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fi
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rm -f conftest*
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fi
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echo "$as_me:$LINENO: result: $libc_cv_fno_unit_at_a_time" >&5
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echo "${ECHO_T}$libc_cv_fno_unit_at_a_time" >&6
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if test $libc_cv_fno_unit_at_a_time = yes; then
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fno_unit_at_a_time=-fno-unit-at-a-time
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fi
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if test $elf != yes; then
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echo "$as_me:$LINENO: checking for .init and .fini sections" >&5
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echo $ECHO_N "checking for .init and .fini sections... $ECHO_C" >&6
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@ -7834,6 +7864,7 @@ s,@ASFLAGS_config@,$ASFLAGS_config,;t t
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s,@libc_cv_z_combreloc@,$libc_cv_z_combreloc,;t t
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s,@libc_cv_z_execstack@,$libc_cv_z_execstack,;t t
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s,@libc_cv_fpie@,$libc_cv_fpie,;t t
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s,@fno_unit_at_a_time@,$fno_unit_at_a_time,;t t
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s,@libc_cv_have_initfini@,$libc_cv_have_initfini,;t t
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s,@libc_cv_cpp_asm_debuginfo@,$libc_cv_cpp_asm_debuginfo,;t t
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s,@no_whole_archive@,$no_whole_archive,;t t
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18
configure.in
18
configure.in
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@ -1359,6 +1359,7 @@ EOF
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AC_CACHE_CHECK(for -fpie, libc_cv_fpie, [dnl
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cat > conftest.c <<EOF
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int foo;
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main () { return 0;}
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EOF
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if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
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-o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
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@ -1372,6 +1373,23 @@ EOF
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AC_SUBST(libc_cv_fpie)
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fi
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AC_CACHE_CHECK(for -fno-unit-at-a-time, libc_cv_fno_unit_at_a_time, [dnl
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cat > conftest.c <<EOF
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int foo;
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EOF
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if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -S -fno-unit-at-a-time
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conftest.c 1>&AS_MESSAGE_LOG_FD])
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then
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libc_cv_fno_unit_at_a_time=yes
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else
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libc_cv_fno_unit_at_a_time=no
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fi
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rm -f conftest*])
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if test $libc_cv_fno_unit_at_a_time = yes; then
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fno_unit_at_a_time=-fno-unit-at-a-time
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fi
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AC_SUBST(fno_unit_at_a_time)
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if test $elf != yes; then
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AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
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[AC_TRY_COMPILE(, [asm (".section .init");
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@ -104,7 +104,7 @@ omit-deps += $(crtstuff)
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$(crtstuff:%=$(objpfx)%.o): %.o: %.S $(objpfx)defs.h
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$(compile.S) -g0 $(ASFLAGS-.os) -o $@
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CFLAGS-initfini.s = -g0 -fPIC -fno-inline-functions
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CFLAGS-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
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vpath initfini.c $(full_config_sysdirs)
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@ -101,7 +101,7 @@ endif
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extra-objs += $(crti-objs) $(crtn-objs)
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omit-deps += crti crtn
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
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endif
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librt-tests = ex10 ex11
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@ -1,3 +1,4 @@
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ifeq ($(subdir),linuxthreads)
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions -fno-asynchronous-unwind-tables
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions \
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-fno-asynchronous-unwind-tables $(fno-unit-at-a-time)
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endif
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@ -100,6 +100,7 @@ locale-CPPFLAGS := -DLOCALE_PATH='$(localepath)' \
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CFLAGS-charmap.c = -Wno-write-strings -Wno-char-subscripts
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CFLAGS-locfile.c = -Wno-write-strings -Wno-char-subscripts
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CFLAGS-charmap-dir.c = -Wno-write-strings
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CFLAGS-loadlocale.c = $(fno-unit-at-a-time)
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# This makes sure -DNOT_IN_libc is passed for all these modules.
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cpp-srcs-left := $(addsuffix .c,$(localedef-modules) $(localedef-aux) \
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@ -312,7 +312,7 @@ endif
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extra-objs += $(crti-objs) $(crtn-objs)
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omit-deps += crti crtn
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
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endif
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CFLAGS-flockfile.c = -D_IO_MTSAFE_IO
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@ -1,3 +1,4 @@
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ifeq ($(subdir),nptl)
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions -fno-asynchronous-unwind-tables
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions \
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-fno-asynchronous-unwind-tables $(fno-unit-at-a-time)
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endif
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