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Remove configure tests for some linker -z options.
There are configure tests for the linker -z nodelete, -z nodlopen and -z initfirst options. These options were added in binutils 2.11, so the tests are obsolete; this patch removes them. Tested for x86_64 and x86 (testsuite, and that installed shared libraries are unchanged by the patch). * configure.ac (libc_cv_z_nodelete): Remove configure test. (libc_cv_z_nodlopen): Likewise. (libc_cv_z_initfirst): Likewise. * configure: Regenerated.
This commit is contained in:
Joseph Myers
parent
8c77b6ad40
commit
b9eaf28a64
@ -1,3 +1,10 @@
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2015-11-06 Joseph Myers <joseph@codesourcery.com>
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* configure.ac (libc_cv_z_nodelete): Remove configure test.
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(libc_cv_z_nodlopen): Likewise.
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(libc_cv_z_initfirst): Likewise.
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* configure: Regenerated.
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2015-11-06 Florian Weimer <fweimer@redhat.com>
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Simplify abilist format to be line-based.
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96
configure
vendored
96
configure
vendored
@ -5472,102 +5472,6 @@ if test $libc_cv_cc_with_libunwind = yes; then
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z nodelete" >&5
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$as_echo_n "checking for linker that supports -z nodelete... " >&6; }
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libc_linker_feature=no
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if test x"$gnu_ld" = x"yes"; then
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libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z nodelete"`
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if test -n "$libc_linker_check"; then
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cat > conftest.c <<EOF
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int _start (void) { return 42; }
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
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-Wl,--enable-new-dtags,-z,nodelete -nostdlib -nostartfiles
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-fPIC -shared -o conftest.so conftest.c
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1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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libc_linker_feature=yes
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fi
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rm -f conftest*
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fi
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fi
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if test $libc_linker_feature = yes; then
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libc_cv_z_nodelete=yes
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else
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as_fn_error $? "linker with -z nodelete support required" "$LINENO" 5
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
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$as_echo "$libc_linker_feature" >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z nodlopen" >&5
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$as_echo_n "checking for linker that supports -z nodlopen... " >&6; }
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libc_linker_feature=no
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if test x"$gnu_ld" = x"yes"; then
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libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z nodlopen"`
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if test -n "$libc_linker_check"; then
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cat > conftest.c <<EOF
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int _start (void) { return 42; }
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
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-Wl,--enable-new-dtags,-z,nodlopen -nostdlib -nostartfiles
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-fPIC -shared -o conftest.so conftest.c
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1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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libc_linker_feature=yes
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fi
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rm -f conftest*
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fi
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fi
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if test $libc_linker_feature = yes; then
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libc_cv_z_nodlopen=yes
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else
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as_fn_error $? "linker with -z nodlopen support required" "$LINENO" 5
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
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$as_echo "$libc_linker_feature" >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z initfirst" >&5
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$as_echo_n "checking for linker that supports -z initfirst... " >&6; }
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libc_linker_feature=no
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if test x"$gnu_ld" = x"yes"; then
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libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z initfirst"`
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if test -n "$libc_linker_check"; then
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cat > conftest.c <<EOF
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int _start (void) { return 42; }
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EOF
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if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
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-Wl,--enable-new-dtags,-z,initfirst -nostdlib -nostartfiles
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-fPIC -shared -o conftest.so conftest.c
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1>&5'
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }
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then
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libc_linker_feature=yes
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fi
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rm -f conftest*
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fi
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fi
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if test $libc_linker_feature = yes; then
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libc_cv_z_initfirst=yes
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else
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as_fn_error $? "linker with -z initfirst support required" "$LINENO" 5
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
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$as_echo "$libc_linker_feature" >&6; }
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ASFLAGS_config=
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --noexecstack is desirable for .S files" >&5
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$as_echo_n "checking whether --noexecstack is desirable for .S files... " >&6; }
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12
configure.ac
12
configure.ac
@ -1208,18 +1208,6 @@ if test $libc_cv_cc_with_libunwind = yes; then
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AC_DEFINE(HAVE_CC_WITH_LIBUNWIND)
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fi
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LIBC_LINKER_FEATURE([-z nodelete], [-Wl,--enable-new-dtags,-z,nodelete],
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[libc_cv_z_nodelete=yes],
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[AC_MSG_ERROR(linker with -z nodelete support required)])
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LIBC_LINKER_FEATURE([-z nodlopen], [-Wl,--enable-new-dtags,-z,nodlopen],
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[libc_cv_z_nodlopen=yes],
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[AC_MSG_ERROR(linker with -z nodlopen support required)])
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LIBC_LINKER_FEATURE([-z initfirst], [-Wl,--enable-new-dtags,-z,initfirst],
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[libc_cv_z_initfirst=yes],
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[AC_MSG_ERROR(linker with -z initfirst support required)])
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ASFLAGS_config=
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AC_CACHE_CHECK(whether --noexecstack is desirable for .S files,
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libc_cv_as_noexecstack, [dnl
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