mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-02 03:50:17 +00:00
48 lines
1.9 KiB
Plaintext
48 lines
1.9 KiB
Plaintext
AC_DEFUN([utrace_CC_m32], [dnl
|
|
AC_CACHE_CHECK([$CC option for 32-bit word size], utrace_cv_CC_m32, [dnl
|
|
save_CC="$CC"
|
|
utrace_cv_CC_m32=none
|
|
for ut_try in -m32 -m31; do
|
|
[CC=`echo "$save_CC" | sed 's/ -m[36][241]//'`" $ut_try"]
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int foo (void) { return 1; }]])],
|
|
[utrace_cv_CC_m32=$ut_try])
|
|
test x$utrace_cv_CC_m32 = xnone || break
|
|
done
|
|
CC="$save_CC"])])
|
|
|
|
AC_DEFUN([utrace_HOST64], [AC_REQUIRE([utrace_CC_m32])
|
|
AS_IF([test x$utrace_cv_CC_m32 != xnone], [dnl
|
|
AC_CACHE_CHECK([for 64-bit host], utrace_cv_host64, [dnl
|
|
AC_EGREP_CPP([@utrace_host64@], [#include <stdint.h>
|
|
#if (UINTPTR_MAX > 0xffffffffUL)
|
|
@utrace_host64@
|
|
#endif],
|
|
utrace_cv_host64=yes, utrace_cv_host64=no)])
|
|
AS_IF([test $utrace_cv_host64 = no],
|
|
[utrace_biarch=-m64 utrace_thisarch=$utrace_cv_CC_m32],
|
|
[utrace_biarch=$utrace_cv_CC_m32 utrace_thisarch=-m64])
|
|
|
|
biarch_CC=`echo "$CC" | sed "s/ *${utrace_thisarch}//"`
|
|
biarch_CC="$biarch_CC $utrace_biarch"])])
|
|
|
|
AC_DEFUN([utrace_BIARCH], [AC_REQUIRE([utrace_HOST64])
|
|
utrace_biarch_forced=no
|
|
AC_ARG_WITH([biarch],
|
|
AC_HELP_STRING([--with-biarch],
|
|
[enable biarch tests despite build problems]),
|
|
[AS_IF([test "x$with_biarch" != xno], [utrace_biarch_forced=yes])])
|
|
AS_IF([test $utrace_biarch_forced = yes], [dnl
|
|
utrace_cv_cc_biarch=yes
|
|
AC_MSG_NOTICE([enabling biarch tests regardless using $biarch_CC])], [dnl
|
|
AS_IF([test x$utrace_cv_CC_m32 != xnone], [dnl
|
|
AC_CACHE_CHECK([whether $biarch_CC makes executables we can run],
|
|
utrace_cv_cc_biarch, [dnl
|
|
save_CC="$CC"
|
|
CC="$biarch_CC"
|
|
AC_RUN_IFELSE([AC_LANG_PROGRAM([], [])],
|
|
utrace_cv_cc_biarch=yes, utrace_cv_cc_biarch=no, utrace_cv_cc_biarch=no)
|
|
CC="$save_CC"])], [utrace_cv_cc_biarch=no])
|
|
AS_IF([test $utrace_cv_cc_biarch != yes], [dnl
|
|
AC_MSG_WARN([not running biarch tests, $biarch_CC does not work])])])
|
|
AM_CONDITIONAL(BIARCH, [test $utrace_cv_cc_biarch = yes])])
|