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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 2006-01-12 00:17:38 +00:00 committed by Benjamin Kosnik
parent 257c8aec25
commit a429affe7d
3 changed files with 169 additions and 1 deletions
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5
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,8 @@
2006-01-11 Benjamin Kosnik <bkoz@redhat.com>
* acinclude.m4: Use -Wl,-z,relro if possible.
* configure: Regenerate.
2006-01-10 Paolo Carlini <pcarlini@suse.de> 2006-01-10 Paolo Carlini <pcarlini@suse.de>
* include/tr1/complex: New file, hosts the additions to header * include/tr1/complex: New file, hosts the additions to header

15
libstdc++-v3/acinclude.m4
View File

@ -187,7 +187,7 @@ dnl safe (like an empty string).
dnl dnl
dnl Defines: dnl Defines:
dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible
dnl OPT_LDFLAGS='-Wl,-O1' if possible dnl OPT_LDFLAGS='-Wl,-O1' and '-z,relro' if possible
dnl LD (as a side effect of testing) dnl LD (as a side effect of testing)
dnl Sets: dnl Sets:
dnl with_gnu_ld dnl with_gnu_ld
@ -267,6 +267,19 @@ AC_DEFUN([GLIBCXX_CHECK_LINKER_FEATURES], [
AC_MSG_RESULT($ac_sectionLDflags) AC_MSG_RESULT($ac_sectionLDflags)
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
AC_MSG_CHECKING([for ld that supports -Wl,-z,relro])
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
AC_MSG_RESULT($ac_ld_relro)
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"

150
libstdc++-v3/configure vendored
View File

@ -8279,6 +8279,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -53103,6 +53118,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -74420,6 +74450,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -75900,6 +75945,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -77256,6 +77316,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -79399,6 +79474,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -80708,6 +80798,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -82066,6 +82171,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -83804,6 +83924,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
@ -85875,6 +86010,21 @@ fi
echo "${ECHO_T}$ac_sectionLDflags" >&6 echo "${ECHO_T}$ac_sectionLDflags" >&6
fi fi
# Set -z,relro.
# Note this is only for shared objects
ac_ld_relro=no
if test x"$with_gnu_ld" = x"yes"; then
echo "$as_me:$LINENO: checking for ld that supports -Wl,-z,relro" >&5
echo $ECHO_N "checking for ld that supports -Wl,-z,relro... $ECHO_C" >&6
cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
if test -n "$cxx_z_relo"; then
OPT_LDFLAGS="-Wl,-z,relro"
ac_ld_relro=yes
fi
echo "$as_me:$LINENO: result: $ac_ld_relro" >&5
echo "${ECHO_T}$ac_ld_relro" >&6
fi
# Set linker optimization flags. # Set linker optimization flags.
if test x"$with_gnu_ld" = x"yes"; then if test x"$with_gnu_ld" = x"yes"; then
OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS" OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"