[thirdparty/glibc.git] / ports / sysdeps / hppa / configure.ac

GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.

dnl The standard hppa assembler uses `;' to start comments and `!'
dnl as a line separator.
AC_CACHE_CHECK(for assembler line separator,
	       libc_cv_asm_line_sep, [dnl
cat > conftest.s <<EOF
nop ; is_old_puffin
EOF
if AC_TRY_COMMAND(${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
  libc_cv_asm_line_sep='!'
else
  if test -z "$enable_hacker_mode"; then
    echo "*** You need a newer assembler to compile glibc"
    rm -f conftest*
    exit 1
  fi
  libc_cv_asm_line_sep=';'
fi
rm -f conftest*])
AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep)

# Check for support of thread-local storage handling in assembler and
# linker.
AC_CACHE_CHECK(for hppa TLS support, libc_cv_hppa_tls, [dnl
cat > conftest.s <<\EOF
; Setup tls data
.section ".tdata","awT",@progbits
foo:	.data	32
	.text
; Test general dyanmic relocations
test0:
	addil 	LT'foo-$tls_gdidx$, %r19
	ldo 	RT'foo-$tls_gdidx$(%r1), %r26
	b 	__tls_get_addr
	nop
; Test local dynamic relocations
test1:
	addil 	LT'foo-$tls_ldidx$, %r19
	b 	__tls_get_addr
	ldo 	RT'foo-$tls_ldidx$(%r1), %r26
	ldo 	RR'foo-$tls_dtpoff$(%r1), %r25
	; More variables can be loaded...
; Test initial exec reloctiosn
test2:
	mfctl 	%cr27, %r26
	addil 	LT'foo-$tls_ieoff$, %r19
	ldw 	RT'foo-$tls_ieoff$(%r1), %r25
	add 	%r26, %r25, %r24
; Test local exec relocations
test3:
	mfctl 	%cr27, %r26
	addil 	LR'foo-$tls_leoff$, %r26
	ldo 	RR'foo-$tls_leoff$(%r1), %r25
; Done all the TLS tests.
EOF
dnl
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
  libc_cv_hppa_tls=yes
else
  libc_cv_hppa_tls=no
fi
rm -f conftest*])
if test $libc_cv_hppa_tls = no; then
  AC_MSG_ERROR([the assembler must support TLS])
fi
Commit	Line	Data
1b4558c1 RM	1	GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
	2
	3	dnl The standard hppa assembler uses `;' to start comments and `!'
	4	dnl as a line separator.
1b4558c1 RM	5	AC_CACHE_CHECK(for assembler line separator,
	6	libc_cv_asm_line_sep, [dnl
	7	cat > conftest.s <<EOF
	8	nop ; is_old_puffin
	9	EOF
	10	if AC_TRY_COMMAND(${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
	11	libc_cv_asm_line_sep='!'
	12	else
	13	if test -z "$enable_hacker_mode"; then
	14	echo "*** You need a newer assembler to compile glibc"
	15	rm -f conftest*
	16	exit 1
	17	fi
	18	libc_cv_asm_line_sep=';'
	19	fi
	20	rm -f conftest*])
	21	AC_DEFINE_UNQUOTED(ASM_LINE_SEP, $libc_cv_asm_line_sep)
c053fa34 CD	22
	23	# Check for support of thread-local storage handling in assembler and
	24	# linker.
	25	AC_CACHE_CHECK(for hppa TLS support, libc_cv_hppa_tls, [dnl
	26	cat > conftest.s <<\EOF
	27	; Setup tls data
	28	.section ".tdata","awT",@progbits
5556231d	29	foo: .data 32
c053fa34 CD	30	.text
	31	; Test general dyanmic relocations
	32	test0:
5556231d	33	addil LT'foo-$tls_gdidx$, %r19
c053fa34 CD	34	ldo RT'foo-$tls_gdidx$(%r1), %r26
	35	b __tls_get_addr
	36	nop
	37	; Test local dynamic relocations
	38	test1:
	39	addil LT'foo-$tls_ldidx$, %r19
	40	b __tls_get_addr
	41	ldo RT'foo-$tls_ldidx$(%r1), %r26
	42	ldo RR'foo-$tls_dtpoff$(%r1), %r25
	43	; More variables can be loaded...
	44	; Test initial exec reloctiosn
	45	test2:
	46	mfctl %cr27, %r26
	47	addil LT'foo-$tls_ieoff$, %r19
	48	ldw RT'foo-$tls_ieoff$(%r1), %r25
	49	add %r26, %r25, %r24
	50	; Test local exec relocations
	51	test3:
	52	mfctl %cr27, %r26
5556231d	53	addil LR'foo-$tls_leoff$, %r26
c053fa34 CD	54	ldo RR'foo-$tls_leoff$(%r1), %r25
	55	; Done all the TLS tests.
	56	EOF
	57	dnl
	58	if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
	59	libc_cv_hppa_tls=yes
	60	else
	61	libc_cv_hppa_tls=no
	62	fi
	63	rm -f conftest*])
	64	if test $libc_cv_hppa_tls = no; then
	65	AC_MSG_ERROR([the assembler must support TLS])
	66	fi