[thirdparty/gcc.git] / libffi / configure.in

dnl Process this with autoconf to create configure
AC_INIT(fficonfig.h.in)
AM_CONFIG_HEADER(fficonfig.h)

# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
# exported.
ORIGINAL_LD_FOR_MULTILIBS=$LD

dnl Default to --enable-multilib
AC_ARG_ENABLE(multilib,
[  --enable-multilib       build many library versions (default)],
[case "${enableval}" in
  yes) multilib=yes ;;
  no)  multilib=no ;;
  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
 esac], [multilib=yes])dnl

dnl We may get other options which we don't document:
dnl --with-target-subdir, --with-multisrctop, --with-multisubdir

if test "${srcdir}" = "."; then
  if test "${with_target_subdir}" != "."; then
    libffi_basedir="${with_multisrctop}../"
  else
    libffi_basedir="${with_multisrctop}"
  fi
else
  libffi_basedir=
fi
AC_SUBST(libffi_basedir)
AC_CONFIG_AUX_DIR(${libffi_basedir}..)

AC_CANONICAL_HOST

AM_PROG_LIBTOOL

AM_INIT_AUTOMAKE(libffi,2.00-beta,no-define)

AC_EXEEXT
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_LIBTOOL

TARGETDIR="unknown"
case "$host" in
mips-sgi-irix5.* | mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
i*86-*-solaris*) TARGET=X86; TARGETDIR=x86;;
i*86-*-beos*) TARGET=X86; TARGETDIR=x86;;
i*86-*-freebsd*) TARGET=X86; TARGETDIR=x86;;
i*86-*-netbsdelf*) TARGET=X86; TARGETDIR=x86;;
i*86-*-win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
i*86-*-cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
i*86-*-mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
sparc*-sun-*) TARGET=SPARC; TARGETDIR=sparc;;
sparc-*-linux* | sparc-*-netbsdelf*) TARGET=SPARC; TARGETDIR=sparc;;
sparc64-*-linux* | sparc64-*-netbsd*) TARGET=SPARC; TARGETDIR=sparc;;
alpha*-*-linux* | alpha*-*-osf* | alpha*-*-freebsd* | alpha*-*-netbsd*) TARGET=ALPHA; TARGETDIR=alpha;;
ia64*-*-*) TARGET=IA64; TARGETDIR=ia64;;
m68k-*-linux*) TARGET=M68K; TARGETDIR=m68k;;
mips64*-*);;
mips*-*-linux*) TARGET=MIPS_LINUX; TARGETDIR=mips;;
powerpc*-*-linux* | powerpc-*-sysv*) TARGET=POWERPC; TARGETDIR=powerpc;;
powerpc-*-beos*) TARGET=POWERPC; TARGETDIR=powerpc;;
powerpc-*-darwin*) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
powerpc-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
rs6000-*-aix*) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
arm*-*-linux-*) TARGET=ARM; TARGETDIR=arm;;
arm*-*-netbsdelf*) TARGET=ARM; TARGETDIR=arm;;
s390-*-linux-*) TARGET=S390; TARGETDIR=s390;;
s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;;
x86_64-*-linux*) TARGET=X86_64; TARGETDIR=x86;;
sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;;
sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;;
esac

if test $TARGETDIR = unknown; then
  AC_ERROR("libffi has not been ported to $host.")
fi

AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
AM_CONDITIONAL(X86, test x$TARGET = xX86)
AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
AM_CONDITIONAL(ARM, test x$TARGET = xARM)
AM_CONDITIONAL(S390, test x$TARGET = xS390)
AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64)
AM_CONDITIONAL(SH, test x$TARGET = xSH)
AM_CONDITIONAL(SH64, test x$TARGET = xSH64)

if test x$TARGET = xMIPS_LINUX; then
  TARGET=MIPS
fi

AC_HEADER_STDC
AC_CHECK_FUNCS(memcpy)
AC_FUNC_ALLOCA

dnl AC_CHECK_SIZEOF(char)
AC_COMPILE_CHECK_SIZEOF(short)
AC_COMPILE_CHECK_SIZEOF(int)
AC_COMPILE_CHECK_SIZEOF(long)
AC_COMPILE_CHECK_SIZEOF(long long)
AC_COMPILE_CHECK_SIZEOF(float)
AC_COMPILE_CHECK_SIZEOF(double)
AC_COMPILE_CHECK_SIZEOF(long double)

AC_COMPILE_CHECK_SIZEOF(void *)
AC_C_BIGENDIAN_CROSS

if test x$TARGET = xSPARC; then
    AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
	libffi_cv_as_sparc_ua_pcrel, [
	save_CFLAGS="$CFLAGS"
	save_LDFLAGS="$LDFLAGS"
	CFLAGS="$CFLAGS -fpic"
	LDFLAGS="$LDFLAGS -shared"
	AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
		    [libffi_cv_as_sparc_ua_pcrel=yes],
		    [libffi_cv_as_sparc_ua_pcrel=no])
	CFLAGS="$save_CFLAGS"
	LDFLAGS="$save_LDFLAGS"])
    if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
	AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
		  [Define if your assembler and linker support unaligned PC relative relocs.])
    fi

    AC_CACHE_CHECK([assembler .register pseudo-op support],
       libffi_cv_as_register_pseudo_op, [
       libffi_cv_as_register_pseudo_op=unknown
       # Check if we have .register
       AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
                       [libffi_cv_as_register_pseudo_op=yes],
                       [libffi_cv_as_register_pseudo_op=no])
    ])
    if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
       AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
               [Define if your assembler supports .register.])
    fi
fi

AC_CACHE_CHECK([whether .eh_frame section should be read-only],
    libffi_cv_ro_eh_frame, [
	libffi_cv_ro_eh_frame=no
	echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
	if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
	    if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
		libffi_cv_ro_eh_frame=yes
	    elif grep '.section.*eh_frame.*#alloc' conftest.c \
		 | grep -v '#write' > /dev/null; then
		libffi_cv_ro_eh_frame=yes
	    fi
	fi
	rm -f conftest.*
    ])
if test "x$libffi_cv_ro_eh_frame" = xyes; then
    AC_DEFINE(HAVE_RO_EH_FRAME, 1,
	      [Define if .eh_frame sections should be read-only.])
fi

AC_SUBST(TARGET)
AC_SUBST(TARGETDIR)

AC_SUBST(SHELL)

AC_ARG_ENABLE(debug,
[  --enable-debug          debugging mode],
  if test "$enable_debug" = "yes"; then
    AC_DEFINE(FFI_DEBUG)
  fi)

AC_ARG_ENABLE(structs,
[  --disable-structs       omit code for struct support],
  if test "$enable_structs" = "no"; then
    AC_DEFINE(FFI_NO_STRUCTS)
  fi)

AC_ARG_ENABLE(raw-api,
[  --disable-raw-api       make the raw api unavailable],
  if test "$enable_raw_api" = "no"; then
    AC_DEFINE(FFI_NO_RAW_API)
  fi)

AC_ARG_ENABLE(purify-safety,
[  --enable-purify-safety  purify-safe mode],
  if test "$enable_purify_safety" = "yes"; then
    AC_DEFINE(USING_PURIFY)
  fi)

if test -n "$with_cross_host" &&
   test x"$with_cross_host" != x"no"; then
  toolexecdir='$(exec_prefix)/$(target_alias)'
  toolexeclibdir='$(toolexecdir)/lib'
else
  toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
  toolexeclibdir='$(libdir)'
fi
multi_os_directory=`$CC -print-multi-os-directory`
case $multi_os_directory in
  .) ;; # Avoid trailing /.
  *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)

if test "${multilib}" = "yes"; then
  multilib_arg="--enable-multilib"
else
  multilib_arg=
fi

AC_OUTPUT(include/Makefile include/ffi.h Makefile,
[
if test -n "$CONFIG_FILES"; then
   LD="${ORIGINAL_LD_FOR_MULTILIBS}"
   ac_file=Makefile . ${srcdir}/${libffi_basedir}../config-ml.in
fi
],
srcdir=${srcdir}
host=${host}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${multilib_arg} ${ac_configure_args}"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libffi_basedir=${libffi_basedir}
CC="${CC}"
DEFS="$DEFS"
ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
test ! -d include && mkdir include
test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then 
	echo fficonfig.h unchanged
else
	echo Moving fficonfig.h to include/fficonfig.h
	cp fficonfig.h include/fficonfig.h
fi
)

# Make target subdirectories if required.
test -d src || mkdir src
test -d src/${TARGETDIR} || mkdir src/${TARGETDIR}
Commit	Line	Data
63e5e3e0 AG	1	dnl Process this with autoconf to create configure
	2	AC_INIT(fficonfig.h.in)
	3	AM_CONFIG_HEADER(fficonfig.h)
	4
6706f116 AO	5	# This works around the fact that libtool configuration may change LD
	6	# for this particular configuration, but some shells, instead of
	7	# keeping the changes in LD private, export them just because LD is
	8	# exported.
	9	ORIGINAL_LD_FOR_MULTILIBS=$LD
	10
3c18f2d1 TT	11	dnl Default to --enable-multilib
	12	AC_ARG_ENABLE(multilib,
	13	[ --enable-multilib build many library versions (default)],
	14	[case "${enableval}" in
	15	yes) multilib=yes ;;
	16	no) multilib=no ;;
	17	*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
	18	esac], [multilib=yes])dnl
	19
	20	dnl We may get other options which we don't document:
	21	dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
	22
	23	if test "${srcdir}" = "."; then
	24	if test "${with_target_subdir}" != "."; then
3123c967	25	libffi_basedir="${with_multisrctop}../"
3c18f2d1	26	else
63b87c2e	27	libffi_basedir="${with_multisrctop}"
3c18f2d1 TT	28	fi
3c18f2d1 TT	29	else
63b87c2e	30	libffi_basedir=
3c18f2d1 TT	31	fi
3c18f2d1 TT	32	AC_SUBST(libffi_basedir)
63b87c2e	33	AC_CONFIG_AUX_DIR(${libffi_basedir}..)
3c18f2d1	34
63e5e3e0 AG	35	AC_CANONICAL_HOST
63e5e3e0 AG	36
675cdab3 BM	37	AM_PROG_LIBTOOL
675cdab3 BM	38
6ba9e3b0	39	AM_INIT_AUTOMAKE(libffi,2.00-beta,no-define)
63e5e3e0 AG	40
	41	AC_EXEEXT
	42	AM_MAINTAINER_MODE
	43
	44	AC_PROG_CC
	45	AC_PROG_LIBTOOL
	46
	47	TARGETDIR="unknown"
	48	case "$host" in
	49	mips-sgi-irix5.* \| mips-sgi-irix6.*) TARGET=MIPS; TARGETDIR=mips;;
bd66587e	50	i86--linux*) TARGET=X86; TARGETDIR=x86;;
db459595	51	i86--solaris*) TARGET=X86; TARGETDIR=x86;;
63e5e3e0	52	i86--beos*) TARGET=X86; TARGETDIR=x86;;
e15a68e7	53	i86--freebsd*) TARGET=X86; TARGETDIR=x86;;
320d7e7a	54	i86--netbsdelf*) TARGET=X86; TARGETDIR=x86;;
d6c4152a JB	55	i86--win32*) TARGET=X86_WIN32; TARGETDIR=x86;;
	56	i86--cygwin*) TARGET=X86_WIN32; TARGETDIR=x86;;
	57	i86--mingw*) TARGET=X86_WIN32; TARGETDIR=x86;;
63e5e3e0	58	sparc-sun-4*) TARGET=SPARC; TARGETDIR=sparc;;
d7e2dd2f	59	sparc-sun-) TARGET=SPARC; TARGETDIR=sparc;;
fad655c8 JT	60	sparc--linux \| sparc--netbsdelf) TARGET=SPARC; TARGETDIR=sparc;;
fad655c8 JT	61	sparc64--linux \| sparc64--netbsd) TARGET=SPARC; TARGETDIR=sparc;;
da00eaab	62	alpha--linux* \| alpha--osf* \| alpha--freebsd* \| alpha--netbsd*) TARGET=ALPHA; TARGETDIR=alpha;;
dc5de370	63	ia64--*) TARGET=IA64; TARGETDIR=ia64;;
63e5e3e0	64	m68k--linux) TARGET=M68K; TARGETDIR=m68k;;
5be36a8f L	65	mips64-);;
5be36a8f L	66	mips--linux*) TARGET=MIPS_LINUX; TARGETDIR=mips;;
e9b84181	67	powerpc--linux* \| powerpc--sysv) TARGET=POWERPC; TARGETDIR=powerpc;;
63e5e3e0	68	powerpc--beos) TARGET=POWERPC; TARGETDIR=powerpc;;
3c017635	69	powerpc--darwin) TARGET=POWERPC_DARWIN; TARGETDIR=powerpc;;
2f4006f8 DE	70	powerpc--aix) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
2f4006f8 DE	71	rs6000--aix) TARGET=POWERPC_AIX; TARGETDIR=powerpc;;
c5acf51f	72	arm--linux-*) TARGET=ARM; TARGETDIR=arm;;
908a31e1	73	arm--netbsdelf*) TARGET=ARM; TARGETDIR=arm;;
22bcf65c	74	s390--linux-) TARGET=S390; TARGETDIR=s390;;
c4f17c6f	75	s390x--linux-) TARGET=S390; TARGETDIR=s390;;
c94974ca	76	x86_64--linux) TARGET=X86_64; TARGETDIR=x86;;
f4b2b0d6	77	sh--linux \| sh[[34]]--linux*) TARGET=SH; TARGETDIR=sh;;
e860ed6d	78	sh64--linux \| sh5--linux*) TARGET=SH64; TARGETDIR=sh64;;
63e5e3e0 AG	79	esac
	80
	81	if test $TARGETDIR = unknown; then
	82	AC_ERROR("libffi has not been ported to $host.")
	83	fi
	84
	85	AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
	86	AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
5be36a8f	87	AM_CONDITIONAL(MIPS_LINUX, test x$TARGET = xMIPS_LINUX)
63e5e3e0 AG	88	AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
63e5e3e0 AG	89	AM_CONDITIONAL(X86, test x$TARGET = xX86)
d6c4152a	90	AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
63e5e3e0	91	AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
dc5de370	92	AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
63e5e3e0 AG	93	AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
63e5e3e0 AG	94	AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
2f4006f8	95	AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
3c017635	96	AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
63e5e3e0	97	AM_CONDITIONAL(ARM, test x$TARGET = xARM)
22bcf65c	98	AM_CONDITIONAL(S390, test x$TARGET = xS390)
c94974ca	99	AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64)
ddebdfeb	100	AM_CONDITIONAL(SH, test x$TARGET = xSH)
e860ed6d	101	AM_CONDITIONAL(SH64, test x$TARGET = xSH64)
63e5e3e0	102
5be36a8f L	103	if test x$TARGET = xMIPS_LINUX; then
	104	TARGET=MIPS
	105	fi
	106
63e5e3e0 AG	107	AC_HEADER_STDC
	108	AC_CHECK_FUNCS(memcpy)
	109	AC_FUNC_ALLOCA
	110
	111	dnl AC_CHECK_SIZEOF(char)
e2f2e70a AG	112	AC_COMPILE_CHECK_SIZEOF(short)
	113	AC_COMPILE_CHECK_SIZEOF(int)
	114	AC_COMPILE_CHECK_SIZEOF(long)
	115	AC_COMPILE_CHECK_SIZEOF(long long)
	116	AC_COMPILE_CHECK_SIZEOF(float)
	117	AC_COMPILE_CHECK_SIZEOF(double)
	118	AC_COMPILE_CHECK_SIZEOF(long double)
	119
	120	AC_COMPILE_CHECK_SIZEOF(void *)
	121	AC_C_BIGENDIAN_CROSS
63e5e3e0	122
189ab118	123	if test x$TARGET = xSPARC; then
5d84cf0b JJ	124	AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
	125	libffi_cv_as_sparc_ua_pcrel, [
	126	save_CFLAGS="$CFLAGS"
	127	save_LDFLAGS="$LDFLAGS"
	128	CFLAGS="$CFLAGS -fpic"
	129	LDFLAGS="$LDFLAGS -shared"
	130	AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
	131	[libffi_cv_as_sparc_ua_pcrel=yes],
	132	[libffi_cv_as_sparc_ua_pcrel=no])
	133	CFLAGS="$save_CFLAGS"
	134	LDFLAGS="$save_LDFLAGS"])
	135	if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
	136	AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
	137	[Define if your assembler and linker support unaligned PC relative relocs.])
	138	fi
bd19c9f4 JS	139
	140	AC_CACHE_CHECK([assembler .register pseudo-op support],
	141	libffi_cv_as_register_pseudo_op, [
	142	libffi_cv_as_register_pseudo_op=unknown
	143	# Check if we have .register
	144	AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
	145	[libffi_cv_as_register_pseudo_op=yes],
	146	[libffi_cv_as_register_pseudo_op=no])
	147	])
	148	if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
	149	AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
	150	[Define if your assembler supports .register.])
	151	fi
5d84cf0b JJ	152	fi
5d84cf0b JJ	153
a733b15e JJ	154	AC_CACHE_CHECK([whether .eh_frame section should be read-only],
	155	libffi_cv_ro_eh_frame, [
	156	libffi_cv_ro_eh_frame=no
	157	echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
	158	if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
	159	if grep '.section.eh_frame."a"' conftest.s > /dev/null; then
	160	libffi_cv_ro_eh_frame=yes
	161	elif grep '.section.eh_frame.#alloc' conftest.c \
	162	\| grep -v '#write' > /dev/null; then
	163	libffi_cv_ro_eh_frame=yes
	164	fi
	165	fi
	166	rm -f conftest.*
	167	])
	168	if test "x$libffi_cv_ro_eh_frame" = xyes; then
	169	AC_DEFINE(HAVE_RO_EH_FRAME, 1,
	170	[Define if .eh_frame sections should be read-only.])
	171	fi
	172
63e5e3e0 AG	173	AC_SUBST(TARGET)
	174	AC_SUBST(TARGETDIR)
	175
	176	AC_SUBST(SHELL)
	177
7d45b968 JS	178	AC_ARG_ENABLE(debug,
	179	[ --enable-debug debugging mode],
	180	if test "$enable_debug" = "yes"; then
	181	AC_DEFINE(FFI_DEBUG)
	182	fi)
	183
	184	AC_ARG_ENABLE(structs,
	185	[ --disable-structs omit code for struct support],
	186	if test "$enable_structs" = "no"; then
	187	AC_DEFINE(FFI_NO_STRUCTS)
	188	fi)
	189
	190	AC_ARG_ENABLE(raw-api,
	191	[ --disable-raw-api make the raw api unavailable],
	192	if test "$enable_raw_api" = "no"; then
	193	AC_DEFINE(FFI_NO_RAW_API)
	194	fi)
63e5e3e0 AG	195
63e5e3e0 AG	196	AC_ARG_ENABLE(purify-safety,
7d45b968 JS	197	[ --enable-purify-safety purify-safe mode],
	198	if test "$enable_purify_safety" = "yes"; then
	199	AC_DEFINE(USING_PURIFY)
	200	fi)
0721f64e	201
0e292c01 AO	202	if test -n "$with_cross_host" &&
	203	test x"$with_cross_host" != x"no"; then
	204	toolexecdir='$(exec_prefix)/$(target_alias)'
	205	toolexeclibdir='$(toolexecdir)/lib'
	206	else
	207	toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
	208	toolexeclibdir='$(libdir)'
	209	fi
ff8b9ca8 AS	210	multi_os_directory=`$CC -print-multi-os-directory`
	211	case $multi_os_directory in
	212	.) ;; # Avoid trailing /.
	213	*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
	214	esac
0e292c01 AO	215	AC_SUBST(toolexecdir)
0e292c01 AO	216	AC_SUBST(toolexeclibdir)
63e5e3e0	217
3c18f2d1 TT	218	if test "${multilib}" = "yes"; then
	219	multilib_arg="--enable-multilib"
	220	else
	221	multilib_arg=
	222	fi
	223
	224	AC_OUTPUT(include/Makefile include/ffi.h Makefile,
	225	[
	226	if test -n "$CONFIG_FILES"; then
6706f116	227	LD="${ORIGINAL_LD_FOR_MULTILIBS}"
3123c967	228	ac_file=Makefile . ${srcdir}/${libffi_basedir}../config-ml.in
3c18f2d1 TT	229	fi
	230	],
	231	srcdir=${srcdir}
	232	host=${host}
	233	target=${target}
	234	with_multisubdir=${with_multisubdir}
	235	ac_configure_args="${multilib_arg} ${ac_configure_args}"
	236	CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
	237	libffi_basedir=${libffi_basedir}
	238	CC="${CC}"
	239	DEFS="$DEFS"
3343fdd2	240	ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
63e5e3e0 AG	241	test ! -d include && mkdir include
	242	test ! -f include/fficonfig.h && cp fficonfig.h include/fficonfig.h
	243	if cmp -s fficonfig.h include/fficonfig.h 2>/dev/null; then
	244	echo fficonfig.h unchanged
	245	else
	246	echo Moving fficonfig.h to include/fficonfig.h
	247	cp fficonfig.h include/fficonfig.h
	248	fi
	249	)
675cdab3 BM	250
675cdab3 BM	251	# Make target subdirectories if required.
3b905056 BM	252	test -d src \|\| mkdir src
3b905056 BM	253	test -d src/${TARGETDIR} \|\| mkdir src/${TARGETDIR}