alpha: Don't test toolchain support for TLS or GPREL
This commit is contained in:
Richard Henderson
parent
2e33ecdf8c
commit
cc184e11fe
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@ -1,5 +1,8 @@
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2012-08-13 Richard Henderson <rth@twiddle.net>
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* configure.in: Don't test toolchain support for TLS or GPREL.
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* configure: Rebuild.
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* sysdeps/alpha/fpu/s_nearbyint.c (nearbyintl): Do compat
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with GLIBC_2_1.
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176
ports/sysdeps/alpha/configure
vendored
176
ports/sysdeps/alpha/configure
vendored
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@ -1,176 +1,6 @@
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# as_fn_set_status STATUS
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# -----------------------
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# Set $? to STATUS, without forking.
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as_fn_set_status ()
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{
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return $1
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} # as_fn_set_status
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# as_fn_exit STATUS
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# -----------------
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# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
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as_fn_exit ()
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{
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set +e
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as_fn_set_status $1
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exit $1
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} # as_fn_exit
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if expr a : '\(a\)' >/dev/null 2>&1 &&
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test "X`expr 00001 : '.*\(...\)'`" = X001; then
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as_expr=expr
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else
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as_expr=false
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fi
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if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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as_basename=basename
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else
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as_basename=false
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fi
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as_me=`$as_basename -- "$0" ||
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$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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X"$0" : 'X\(//\)$' \| \
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X"$0" : 'X\(/\)' \| . 2>/dev/null ||
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$as_echo X/"$0" |
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sed '/^.*\/\([^/][^/]*\)\/*$/{
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s//\1/
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q
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}
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/^X\/\(\/\/\)$/{
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s//\1/
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q
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}
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/^X\/\(\/\).*/{
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s//\1/
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q
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}
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s/.*/./; q'`
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as_lineno_1=$LINENO as_lineno_1a=$LINENO
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as_lineno_2=$LINENO as_lineno_2a=$LINENO
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eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
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test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
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# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
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sed -n '
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p
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/[$]LINENO/=
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' <$as_myself |
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sed '
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s/[$]LINENO.*/&-/
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t lineno
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b
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:lineno
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N
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:loop
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s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
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t loop
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s/-\n.*//
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' >$as_me.lineno &&
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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. "./$as_me.lineno"
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# Exit status is that of the last command.
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exit
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}
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/alpha.
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# Check for support of thread-local storage handling in assembler and linker.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Alpha TLS support" >&5
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$as_echo_n "checking for Alpha TLS support... " >&6; }
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if ${libc_cv_alpha_tls+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.s <<\EOF
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.section ".tdata", "awT", @progbits
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.globl foo
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foo: .quad 1
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.section ".tbss", "awT", @nobits
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.globl bar
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bar: .skip 8
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.text
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baz:
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.set nomacro
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ldq $27, __tls_get_addr($29) !literal!1
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ldq $16, a($29) !tlsgd!1
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jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
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jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
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ldq $27, __tls_get_addr($29) !literal!2
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ldq $16, b($29) !tlsldm!2
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ldq $16, c($29) !tlsgd
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ldq $16, d($29) !tlsldm
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ldq $16, e($29) !tlsgd!3
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ldq $16, f($29) !tlsldm!4
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ldq $16, g($29) !gotdtprel
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ldah $16, h($31) !dtprelhi
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lda $16, i($16) !dtprello
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lda $16, j($31) !dtprel
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ldq $16, k($29) !gottprel
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ldah $16, l($31) !tprelhi
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lda $16, m($16) !tprello
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lda $16, n($31) !tprel
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EOF
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if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
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{ { eval echo "\"\$as_me\":${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; }; }; then
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libc_cv_alpha_tls=yes
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else
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libc_cv_alpha_tls=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_tls" >&5
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$as_echo "$libc_cv_alpha_tls" >&6; }
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if test $libc_cv_alpha_tls = no; then
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as_fn_error $? "the assembler must support TLS" "$LINENO" 5
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GP relative module local relocs" >&5
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$as_echo_n "checking for GP relative module local relocs... " >&6; }
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if ${libc_cv_alpha_hidden_gprel+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.c <<\EOF
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static volatile int bar;
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int baz __attribute__((visibility("hidden")));
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int f(void) { return bar + baz; }
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EOF
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libc_cv_alpha_hidden_gprel=no
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if { ac_try='${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&5'
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{ { eval echo "\"\$as_me\":${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; }; }; then
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if grep -q 'bar.*!gprel' conftest.s \
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&& grep -q 'baz.*!gprel' conftest.s \
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&& ! grep -q 'bar.*!literal' conftest.s \
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&& ! grep -q 'baz.*!literal' conftest.s; then
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libc_cv_alpha_hidden_gprel=yes
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fi
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_hidden_gprel" >&5
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$as_echo "$libc_cv_alpha_hidden_gprel" >&6; }
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if test $libc_cv_alpha_hidden_gprel = yes; then
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$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
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fi
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# With required gcc+binutils, we can always access static and hidden
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# symbols in a position independent way.
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$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
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@ -1,71 +1,6 @@
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/alpha.
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# Check for support of thread-local storage handling in assembler and linker.
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AC_CACHE_CHECK(for Alpha TLS support, libc_cv_alpha_tls, [dnl
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cat > conftest.s <<\EOF
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.section ".tdata", "awT", @progbits
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.globl foo
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foo: .quad 1
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.section ".tbss", "awT", @nobits
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.globl bar
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bar: .skip 8
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.text
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baz:
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.set nomacro
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ldq $27, __tls_get_addr($29) !literal!1
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ldq $16, a($29) !tlsgd!1
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jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
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jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
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ldq $27, __tls_get_addr($29) !literal!2
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ldq $16, b($29) !tlsldm!2
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ldq $16, c($29) !tlsgd
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ldq $16, d($29) !tlsldm
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ldq $16, e($29) !tlsgd!3
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ldq $16, f($29) !tlsldm!4
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ldq $16, g($29) !gotdtprel
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ldah $16, h($31) !dtprelhi
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lda $16, i($16) !dtprello
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lda $16, j($31) !dtprel
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ldq $16, k($29) !gottprel
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ldah $16, l($31) !tprelhi
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lda $16, m($16) !tprello
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lda $16, n($31) !tprel
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EOF
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dnl
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if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
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libc_cv_alpha_tls=yes
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else
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libc_cv_alpha_tls=no
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fi
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rm -f conftest*])
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if test $libc_cv_alpha_tls = no; then
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AC_MSG_ERROR([the assembler must support TLS])
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fi
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AC_CACHE_CHECK(for GP relative module local relocs, libc_cv_alpha_hidden_gprel, [dnl
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cat > conftest.c <<\EOF
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static volatile int bar;
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int baz __attribute__((visibility("hidden")));
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int f(void) { return bar + baz; }
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EOF
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dnl
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libc_cv_alpha_hidden_gprel=no
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if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&AS_MESSAGE_LOG_FD); then
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if grep -q 'bar.*!gprel' conftest.s \
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&& grep -q 'baz.*!gprel' conftest.s \
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&& ! grep -q 'bar.*!literal' conftest.s \
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&& ! grep -q 'baz.*!literal' conftest.s; then
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libc_cv_alpha_hidden_gprel=yes
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fi
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fi
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rm -f conftest*])
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if test $libc_cv_alpha_hidden_gprel = yes; then
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AC_DEFINE(PI_STATIC_AND_HIDDEN)
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fi
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# With required gcc+binutils, we can always access static and hidden
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# symbols in a position independent way.
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AC_DEFINE(PI_STATIC_AND_HIDDEN)
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