sim: drop host endian configure option
The --enable-sim-hostendian flag was purely so people had an escape route for when cross-compiling. This is because historically, AC_C_BIGENDIAN did not work in those cases. That was fixed a while ago though, so we can require that macro everywhere now and simplify a good bit of code.
This commit is contained in:
Mike Frysinger
parent
1ac72f0659
commit
0cb8d8513c
96 changed files with 6648 additions and 5871 deletions
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@ -1,3 +1,8 @@
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2016-01-03 Mike Frysinger <vapier@gentoo.org>
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* configure.ac (SIM_AC_OPTION_HOSTENDIAN): Delete.
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* configure: Regenerate.
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2016-01-02 Mike Frysinger <vapier@gentoo.org>
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* arch.h (TARGET_BIG_ENDIAN): Delete.
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487
sim/cris/configure
vendored
487
sim/cris/configure
vendored
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@ -700,7 +700,6 @@ sim_hw_cflags
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sim_default_model
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sim_scache
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sim_float
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sim_hostendian
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sim_endian
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sim_bitsize
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sim_assert
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@ -766,7 +765,6 @@ with_pkgversion
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with_bugurl
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enable_sim_endian
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enable_sim_alignment
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enable_sim_hostendian
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enable_sim_scache
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enable_werror
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enable_build_warnings
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@ -1427,8 +1425,6 @@ Optional Features:
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--enable-sim-alignment=align
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Specify strict, nonstrict or forced alignment of
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memory accesses
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--enable-sim-hostendian=end
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Specify host byte endian orientation
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--enable-sim-scache=size
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Specify simulator execution cache size
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--enable-werror treat compile warnings as errors
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@ -3922,10 +3918,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
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@ -8206,6 +8198,230 @@ ac_config_headers="$ac_config_headers config.h:config.in"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
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$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
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if test "${ac_cv_c_bigendian+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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ac_cv_c_bigendian=unknown
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# See if we're dealing with a universal compiler.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifndef __APPLE_CC__
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not a universal capable compiler
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#endif
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typedef int dummy;
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# Check for potential -arch flags. It is not universal unless
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# there are at least two -arch flags with different values.
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ac_arch=
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ac_prev=
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for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
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if test -n "$ac_prev"; then
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case $ac_word in
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i?86 | x86_64 | ppc | ppc64)
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if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
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ac_arch=$ac_word
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else
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ac_cv_c_bigendian=universal
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break
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fi
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;;
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esac
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ac_prev=
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elif test "x$ac_word" = "x-arch"; then
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ac_prev=arch
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fi
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done
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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if test $ac_cv_c_bigendian = unknown; then
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <sys/types.h>
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#include <sys/param.h>
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int
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main ()
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{
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#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
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&& defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
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&& LITTLE_ENDIAN)
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bogus endian macros
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# It does; now see whether it defined to BIG_ENDIAN or not.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <sys/types.h>
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#include <sys/param.h>
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int
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main ()
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{
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#if BYTE_ORDER != BIG_ENDIAN
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not big endian
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_bigendian=yes
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else
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ac_cv_c_bigendian=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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if test $ac_cv_c_bigendian = unknown; then
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# See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <limits.h>
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int
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main ()
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{
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#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
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bogus endian macros
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# It does; now see whether it defined to _BIG_ENDIAN or not.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <limits.h>
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int
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main ()
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{
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#ifndef _BIG_ENDIAN
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not big endian
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_bigendian=yes
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else
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ac_cv_c_bigendian=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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if test $ac_cv_c_bigendian = unknown; then
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# Compile a test program.
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if test "$cross_compiling" = yes; then :
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# Try to guess by grepping values from an object file.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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short int ascii_mm[] =
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{ 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
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short int ascii_ii[] =
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{ 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
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int use_ascii (int i) {
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return ascii_mm[i] + ascii_ii[i];
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}
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short int ebcdic_ii[] =
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{ 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
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short int ebcdic_mm[] =
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{ 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
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int use_ebcdic (int i) {
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return ebcdic_mm[i] + ebcdic_ii[i];
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}
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extern int foo;
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int
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main ()
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{
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return use_ascii (foo) == use_ebcdic (foo);
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
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ac_cv_c_bigendian=yes
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fi
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if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
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if test "$ac_cv_c_bigendian" = unknown; then
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ac_cv_c_bigendian=no
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else
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# finding both strings is unlikely to happen, but who knows?
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ac_cv_c_bigendian=unknown
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fi
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fi
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$ac_includes_default
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int
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main ()
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{
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/* Are we little or big endian? From Harbison&Steele. */
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union
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{
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long int l;
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char c[sizeof (long int)];
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} u;
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u.l = 1;
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return u.c[sizeof (long int) - 1] == 1;
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_run "$LINENO"; then :
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ac_cv_c_bigendian=no
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else
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ac_cv_c_bigendian=yes
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
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conftest.$ac_objext conftest.beam conftest.$ac_ext
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fi
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
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$as_echo "$ac_cv_c_bigendian" >&6; }
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case $ac_cv_c_bigendian in #(
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yes)
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$as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
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;; #(
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no)
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;; #(
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universal)
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$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
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;; #(
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*)
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as_fn_error "unknown endianness
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presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
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esac
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@ -12329,7 +12545,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 12332 "configure"
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#line 12548 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -12435,7 +12651,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 12438 "configure"
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#line 12654 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -13033,255 +13249,6 @@ fi
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fi
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# Check whether --enable-sim-hostendian was given.
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if test "${enable_sim_hostendian+set}" = set; then :
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enableval=$enable_sim_hostendian; case "${enableval}" in
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no) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_UNKNOWN";;
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b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_BIG";;
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l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
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*) as_fn_error "\"Unknown value $enableval for --enable-sim-hostendian\"" "$LINENO" 5; sim_hostendian="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then
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echo "Setting hostendian flags = $sim_hostendian" 6>&1
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fi
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else
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if test "x$cross_compiling" = "xno"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
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$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
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if test "${ac_cv_c_bigendian+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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ac_cv_c_bigendian=unknown
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# See if we're dealing with a universal compiler.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifndef __APPLE_CC__
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not a universal capable compiler
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#endif
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typedef int dummy;
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# Check for potential -arch flags. It is not universal unless
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# there are at least two -arch flags with different values.
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ac_arch=
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ac_prev=
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for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
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if test -n "$ac_prev"; then
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case $ac_word in
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i?86 | x86_64 | ppc | ppc64)
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if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
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ac_arch=$ac_word
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else
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ac_cv_c_bigendian=universal
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break
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fi
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;;
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esac
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ac_prev=
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elif test "x$ac_word" = "x-arch"; then
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ac_prev=arch
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fi
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done
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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if test $ac_cv_c_bigendian = unknown; then
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <sys/types.h>
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#include <sys/param.h>
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int
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main ()
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{
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#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
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&& defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
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&& LITTLE_ENDIAN)
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bogus endian macros
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# It does; now see whether it defined to BIG_ENDIAN or not.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <sys/types.h>
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#include <sys/param.h>
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int
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main ()
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{
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#if BYTE_ORDER != BIG_ENDIAN
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not big endian
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_bigendian=yes
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else
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ac_cv_c_bigendian=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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if test $ac_cv_c_bigendian = unknown; then
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# See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <limits.h>
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int
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main ()
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{
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#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
|
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bogus endian macros
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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# It does; now see whether it defined to _BIG_ENDIAN or not.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <limits.h>
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int
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main ()
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{
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#ifndef _BIG_ENDIAN
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not big endian
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#endif
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_bigendian=yes
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else
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ac_cv_c_bigendian=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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if test $ac_cv_c_bigendian = unknown; then
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# Compile a test program.
|
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if test "$cross_compiling" = yes; then :
|
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# Try to guess by grepping values from an object file.
|
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
|
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short int ascii_mm[] =
|
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{ 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
|
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short int ascii_ii[] =
|
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{ 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
|
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int use_ascii (int i) {
|
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return ascii_mm[i] + ascii_ii[i];
|
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}
|
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short int ebcdic_ii[] =
|
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{ 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
|
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short int ebcdic_mm[] =
|
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{ 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
|
||||
int use_ebcdic (int i) {
|
||||
return ebcdic_mm[i] + ebcdic_ii[i];
|
||||
}
|
||||
extern int foo;
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return use_ascii (foo) == use_ebcdic (foo);
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"; then :
|
||||
if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
|
||||
ac_cv_c_bigendian=yes
|
||||
fi
|
||||
if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
|
||||
if test "$ac_cv_c_bigendian" = unknown; then
|
||||
ac_cv_c_bigendian=no
|
||||
else
|
||||
# finding both strings is unlikely to happen, but who knows?
|
||||
ac_cv_c_bigendian=unknown
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
$ac_includes_default
|
||||
int
|
||||
main ()
|
||||
{
|
||||
|
||||
/* Are we little or big endian? From Harbison&Steele. */
|
||||
union
|
||||
{
|
||||
long int l;
|
||||
char c[sizeof (long int)];
|
||||
} u;
|
||||
u.l = 1;
|
||||
return u.c[sizeof (long int) - 1] == 1;
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_run "$LINENO"; then :
|
||||
ac_cv_c_bigendian=no
|
||||
else
|
||||
ac_cv_c_bigendian=yes
|
||||
fi
|
||||
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
|
||||
conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
fi
|
||||
|
||||
fi
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
|
||||
$as_echo "$ac_cv_c_bigendian" >&6; }
|
||||
case $ac_cv_c_bigendian in #(
|
||||
yes)
|
||||
$as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
|
||||
;; #(
|
||||
no)
|
||||
;; #(
|
||||
universal)
|
||||
|
||||
$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
|
||||
|
||||
;; #(
|
||||
*)
|
||||
as_fn_error "unknown endianness
|
||||
presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
|
||||
esac
|
||||
|
||||
if test $ac_cv_c_bigendian = yes; then
|
||||
sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_BIG"
|
||||
else
|
||||
sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_LITTLE"
|
||||
fi
|
||||
else
|
||||
sim_hostendian="-DWITH_HOST_BYTE_ORDER=BFD_ENDIAN_UNKNOWN"
|
||||
fi
|
||||
fi
|
||||
|
||||
|
||||
default_sim_scache="16384"
|
||||
# Check whether --enable-sim-scache was given.
|
||||
if test "${enable_sim_scache+set}" = set; then :
|
||||
|
|
@ -13739,6 +13706,7 @@ LIBOBJS=$ac_libobjs
|
|||
LTLIBOBJS=$ac_ltlibobjs
|
||||
|
||||
|
||||
|
||||
if test -z "${GMAKE_TRUE}" && test -z "${GMAKE_FALSE}"; then
|
||||
as_fn_error "conditional \"GMAKE\" was never defined.
|
||||
Usually this means the macro was only invoked conditionally." "$LINENO" 5
|
||||
|
|
@ -13752,7 +13720,6 @@ if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
|
|||
Usually this means the macro was only invoked conditionally." "$LINENO" 5
|
||||
fi
|
||||
|
||||
|
||||
: ${CONFIG_STATUS=./config.status}
|
||||
ac_write_fail=0
|
||||
ac_clean_files_save=$ac_clean_files
|
||||
|
|
|
|||
|
|
@ -10,7 +10,6 @@ AC_CHECK_HEADERS(sys/socket.h sys/select.h limits.h sys/param.h)
|
|||
|
||||
SIM_AC_OPTION_ENDIAN(LITTLE)
|
||||
SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
|
||||
SIM_AC_OPTION_HOSTENDIAN
|
||||
SIM_AC_OPTION_SCACHE(16384)
|
||||
SIM_AC_OPTION_WARNINGS
|
||||
SIM_AC_OPTION_HARDWARE(yes,,rv cris cris_900000xx)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue