diff options
Diffstat (limited to 'config/accross.m4')
| -rw-r--r-- | config/accross.m4 | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/config/accross.m4 b/config/accross.m4 deleted file mode 100644 index a4cebf692..000000000 --- a/config/accross.m4 +++ /dev/null @@ -1,98 +0,0 @@ -AC_DEFUN([AC_COMPILE_CHECK_SIZEOF], -[changequote(<<, >>)dnl -dnl The name to #define. -define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl -dnl The cache variable name. -define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl -changequote([, ])dnl -AC_MSG_CHECKING(size of $1) -AC_CACHE_VAL(AC_CV_NAME, -[for ac_size in 4 8 1 2 16 12 $2 ; do # List sizes in rough order of prevalence. - AC_TRY_COMPILE([#include "confdefs.h" -#include <sys/types.h> -$2 -], [switch (0) case 0: case (sizeof ($1) == $ac_size):;], AC_CV_NAME=$ac_size) - if test x$AC_CV_NAME != x ; then break; fi -done -]) -if test x$AC_CV_NAME = x ; then - AC_MSG_ERROR([cannot determine a size for $1]) -fi -AC_MSG_RESULT($AC_CV_NAME) -AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The number of bytes in type $1]) -undefine([AC_TYPE_NAME])dnl -undefine([AC_CV_NAME])dnl -]) - -AC_DEFUN([AC_C_BIGENDIAN_CROSS], -[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian, -[ac_cv_c_bigendian=unknown -# See if sys/param.h defines the BYTE_ORDER macro. -AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/param.h>], [ -#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN - bogus endian macros -#endif], [# It does; now see whether it defined to BIG_ENDIAN or not. -AC_TRY_COMPILE([#include <sys/types.h> -#include <sys/param.h>], [ -#if BYTE_ORDER != BIG_ENDIAN - not big endian -#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)]) -if test $ac_cv_c_bigendian = unknown; then -AC_TRY_RUN([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); -}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes, -[ echo $ac_n "cross-compiling... " 2>&AC_FD_MSG ]) -fi]) -if test $ac_cv_c_bigendian = unknown; then -AC_MSG_CHECKING(to probe for byte ordering) -[ -cat >conftest.c <<EOF -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; } -EOF -] if test -f conftest.c ; then - if ${CC-cc} ${CFLAGS} conftest.c -o conftest.o && test -f conftest.o ; then - if test `grep -l BIGenDianSyS conftest.o` ; then - echo $ac_n ' big endian probe OK, ' 1>&AC_FD_MSG - ac_cv_c_bigendian=yes - fi - if test `grep -l LiTTleEnDian conftest.o` ; then - echo $ac_n ' little endian probe OK, ' 1>&AC_FD_MSG - if test $ac_cv_c_bigendian = yes ; then - ac_cv_c_bigendian=unknown; - else - ac_cv_c_bigendian=no - fi - fi - echo $ac_n 'guessing bigendian ... ' >&AC_FD_MSG - fi - fi -AC_MSG_RESULT($ac_cv_c_bigendian) -fi -if test $ac_cv_c_bigendian = yes; then - AC_DEFINE(WORDS_BIGENDIAN, 1, [whether byteorder is bigendian]) - AC_DEFINE(HOST_WORDS_BIG_ENDIAN, 1, - [Define if the host machine stores words of multi-word integers in - big-endian order.]) - BYTEORDER=4321 -else - BYTEORDER=1234 -fi -AC_DEFINE_UNQUOTED(BYTEORDER, $BYTEORDER, [1234 = LIL_ENDIAN, 4321 = BIGENDIAN]) -if test $ac_cv_c_bigendian = unknown; then - AC_MSG_ERROR(unknown endianess - sorry, please pre-set ac_cv_c_bigendian) -fi -]) |