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https://github.com/aria2/aria2.git
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2008-08-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Added AC_C_BIGENDIAN * src/configure.ac
This commit is contained in:
Tatsuhiro Tsujikawa
parent
a699a46858
commit
057516d1bc
@ -1,3 +1,8 @@
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2008-08-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
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Added AC_C_BIGENDIAN
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* src/configure.ac
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2008-08-08 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
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Limited numCommand less than or equal to the number of piece.
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@ -578,6 +578,10 @@
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/* Version number of package */
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#undef VERSION
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/* Define to 1 if your processor stores words with the most significant byte
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first (like Motorola and SPARC, unlike Intel and VAX). */
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#undef WORDS_BIGENDIAN
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/* Define to 1 if on AIX 3.
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System headers sometimes define this.
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We just want to avoid a redefinition error message. */
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235
configure
vendored
235
configure
vendored
@ -9603,6 +9603,241 @@ _ACEOF
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fi
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{ echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
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echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6; }
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if test "${ac_cv_c_bigendian+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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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 && defined LITTLE_ENDIAN \
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&& BYTE_ORDER && BIG_ENDIAN && 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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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_cxx_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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# It does; now see whether it defined to BIG_ENDIAN or not.
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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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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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_cxx_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_cv_c_bigendian=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_c_bigendian=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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# It does not; compile a test program.
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if test "$cross_compiling" = yes; then
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# try to guess the endianness by grepping values into an object file
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ac_cv_c_bigendian=unknown
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
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short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
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void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
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short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
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short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
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void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
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int
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main ()
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{
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_ascii (); _ebcdic ();
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_cxx_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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if grep BIGenDianSyS conftest.$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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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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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 >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$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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rm -f conftest$ac_exeext
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if { (ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_link") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_c_bigendian=no
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else
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echo "$as_me: program exited with status $ac_status" >&5
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_c_bigendian=yes
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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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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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
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echo "${ECHO_T}$ac_cv_c_bigendian" >&6; }
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case $ac_cv_c_bigendian in
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yes)
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cat >>confdefs.h <<\_ACEOF
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#define WORDS_BIGENDIAN 1
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_ACEOF
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;;
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no)
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;;
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*)
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{ { echo "$as_me:$LINENO: error: unknown endianness
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presetting ac_cv_c_bigendian=no (or yes) will help" >&5
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echo "$as_me: error: unknown endianness
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presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
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{ (exit 1); exit 1; }; } ;;
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esac
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# Check whether --enable-largefile was given.
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if test "${enable_largefile+set}" = set; then
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@ -200,7 +200,7 @@ AC_TYPE_UINT64_T
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AC_TYPE_UINT8_T
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AC_C_VOLATILE
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AC_CHECK_TYPES([ptrdiff_t])
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AC_C_BIGENDIAN
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AC_SYS_LARGEFILE
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# Checks for library functions.
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