acinclude.m4: Use -Wl,-z,relro if possible.
2006-01-11 Benjamin Kosnik <bkoz@redhat.com> * acinclude.m4: Use -Wl,-z,relro if possible. * configure: Regenerate. From-SVN: r109618
This commit is contained in:
Benjamin Kosnik
Benjamin Kosnik
parent
257c8aec25
commit
a429affe7d
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@ -1,3 +1,8 @@
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2006-01-11 Benjamin Kosnik <bkoz@redhat.com>
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* acinclude.m4: Use -Wl,-z,relro if possible.
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* configure: Regenerate.
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2006-01-10 Paolo Carlini <pcarlini@suse.de>
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* include/tr1/complex: New file, hosts the additions to header
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@ -187,7 +187,7 @@ dnl safe (like an empty string).
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dnl
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dnl Defines:
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dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible
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dnl OPT_LDFLAGS='-Wl,-O1' if possible
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dnl OPT_LDFLAGS='-Wl,-O1' and '-z,relro' if possible
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dnl LD (as a side effect of testing)
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dnl Sets:
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dnl with_gnu_ld
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@ -267,6 +267,19 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [
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AC_MSG_RESULT($ac_sectionLDflags)
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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AC_MSG_CHECKING([for ld that supports -Wl,-z,relro])
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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AC_MSG_RESULT($ac_ld_relro)
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -8279,6 +8279,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -53103,6 +53118,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -74420,6 +74450,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -75900,6 +75945,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -77256,6 +77316,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -79399,6 +79474,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -80708,6 +80798,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -82066,6 +82171,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -83804,6 +83924,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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@ -85875,6 +86010,21 @@ fi
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echo "${ECHO_T}$ac_sectionLDflags" >&6
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fi
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# Set -z,relro.
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# Note this is only for shared objects
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ac_ld_relro=no
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if test x"$with_gnu_ld" = x"yes"; then
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echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
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echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
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cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
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if test -n "$cxx_z_relo"; then
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OPT_LDFLAGS="-Wl,-z,relro"
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ac_ld_relro=yes
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fi
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echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
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echo "${ECHO_T}$ac_ld_relro" >&6
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fi
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# Set linker optimization flags.
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if test x"$with_gnu_ld" = x"yes"; then
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OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
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