From f69d76fd3b0406cf2369e434ed978aec98c7f2b6 Mon Sep 17 00:00:00 2001 From: Brian Gaeke Date: Thu, 15 Jan 2004 06:22:37 +0000 Subject: [PATCH] Remove configure support for endianness checking, the need for which Chris has helpfully expunged. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10873 91177308-0d34-0410-b5e6-96231b3b80d8 --- autoconf/configure.ac | 3 - configure | 209 -------------------------------- include/Config/config.h.in | 6 - include/llvm/Config/config.h.in | 6 - 4 files changed, 224 deletions(-) diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 9c32291656c..d9177a4f0d2 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -224,9 +224,6 @@ AC_HEADER_SYS_WAIT dnl Checks for POSIX and other various system-specific header files AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h malloc.h sys/mman.h sys/resource.h dlfcn.h link.h) -dnl Check for machine endian-ness -AC_C_BIGENDIAN(AC_DEFINE([ENDIAN_BIG],[],[Define if the machine is Big-Endian]),AC_DEFINE([ENDIAN_LITTLE],[],[Define if the machine is Little-Endian])) - dnl Check for types AC_TYPE_PID_T AC_TYPE_SIZE_T diff --git a/configure b/configure index f064427aca8..141c6cea905 100755 --- a/configure +++ b/configure @@ -19043,215 +19043,6 @@ fi done -echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5 -echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6 -if test "${ac_cv_c_bigendian+set}" = set; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - # See if sys/param.h defines the BYTE_ORDER macro. -cat >conftest.$ac_ext <<_ACEOF -#line $LINENO "configure" -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include -#include - -int -main () -{ -#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN - bogus endian macros -#endif - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - # It does; now see whether it defined to BIG_ENDIAN or not. -cat >conftest.$ac_ext <<_ACEOF -#line $LINENO "configure" -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include -#include - -int -main () -{ -#if BYTE_ORDER != BIG_ENDIAN - not big endian -#endif - - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_cv_c_bigendian=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_cv_c_bigendian=no -fi -rm -f conftest.$ac_objext conftest.$ac_ext -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -# It does not; compile a test program. -if test "$cross_compiling" = yes; then - # try to guess the endianness by grepping values into an object file - ac_cv_c_bigendian=unknown - cat >conftest.$ac_ext <<_ACEOF -#line $LINENO "configure" -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; -short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; -void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; } -short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; -short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; -void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; } -int -main () -{ - _ascii (); _ebcdic (); - ; - return 0; -} -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - if grep BIGenDianSyS conftest.$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 -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -fi -rm -f conftest.$ac_objext conftest.$ac_ext -else - cat >conftest.$ac_ext <<_ACEOF -#line $LINENO "configure" -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -int -main () -{ - /* Are we little or big endian? From Harbison&Steele. */ - union - { - long l; - char c[sizeof (long)]; - } u; - u.l = 1; - exit (u.c[sizeof (long) - 1] == 1); -} -_ACEOF -rm -f conftest$ac_exeext -if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 - (eval $ac_link) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && { ac_try='./conftest$ac_exeext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_cv_c_bigendian=no -else - echo "$as_me: program exited with status $ac_status" >&5 -echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -( exit $ac_status ) -ac_cv_c_bigendian=yes -fi -rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext -fi -fi -rm -f conftest.$ac_objext conftest.$ac_ext -fi -echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5 -echo "${ECHO_T}$ac_cv_c_bigendian" >&6 -case $ac_cv_c_bigendian in - yes) - -cat >>confdefs.h <<\_ACEOF -#define ENDIAN_BIG -_ACEOF - ;; - no) - -cat >>confdefs.h <<\_ACEOF -#define ENDIAN_LITTLE -_ACEOF - ;; - *) - { { echo "$as_me:$LINENO: error: unknown endianness -presetting ac_cv_c_bigendian=no (or yes) will help" >&5 -echo "$as_me: error: unknown endianness -presetting ac_cv_c_bigendian=no (or yes) will help" >&2;} - { (exit 1); exit 1; }; } ;; -esac - - echo "$as_me:$LINENO: checking for pid_t" >&5 echo $ECHO_N "checking for pid_t... $ECHO_C" >&6 if test "${ac_cv_type_pid_t+set}" = set; then diff --git a/include/Config/config.h.in b/include/Config/config.h.in index 293aa301b6b..6dde4be20ee 100644 --- a/include/Config/config.h.in +++ b/include/Config/config.h.in @@ -8,12 +8,6 @@ /* Define to 1 if using `alloca.c'. */ #undef C_ALLOCA -/* Define if the machine is Big-Endian */ -#undef ENDIAN_BIG - -/* Define if the machine is Little-Endian */ -#undef ENDIAN_LITTLE - /* Define to 1 if you have `alloca', as a function or macro. */ #undef HAVE_ALLOCA diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in index 293aa301b6b..6dde4be20ee 100644 --- a/include/llvm/Config/config.h.in +++ b/include/llvm/Config/config.h.in @@ -8,12 +8,6 @@ /* Define to 1 if using `alloca.c'. */ #undef C_ALLOCA -/* Define if the machine is Big-Endian */ -#undef ENDIAN_BIG - -/* Define if the machine is Little-Endian */ -#undef ENDIAN_LITTLE - /* Define to 1 if you have `alloca', as a function or macro. */ #undef HAVE_ALLOCA