1*7304104dSAndroid Build Coastguard WorkerAC_DEFUN([utrace_CC_m32], [dnl 2*7304104dSAndroid Build Coastguard WorkerAC_CACHE_CHECK([$CC option for 32-bit word size], utrace_cv_CC_m32, [dnl 3*7304104dSAndroid Build Coastguard Workersave_CC="$CC" 4*7304104dSAndroid Build Coastguard Workerutrace_cv_CC_m32=none 5*7304104dSAndroid Build Coastguard Workerfor ut_try in -m32 -m31; do 6*7304104dSAndroid Build Coastguard Worker [CC=`echo "$save_CC" | sed 's/ -m[36][241]//'`" $ut_try"] 7*7304104dSAndroid Build Coastguard Worker AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int foo (void) { return 1; }]])], 8*7304104dSAndroid Build Coastguard Worker [utrace_cv_CC_m32=$ut_try]) 9*7304104dSAndroid Build Coastguard Worker test x$utrace_cv_CC_m32 = xnone || break 10*7304104dSAndroid Build Coastguard Workerdone 11*7304104dSAndroid Build Coastguard WorkerCC="$save_CC"])]) 12*7304104dSAndroid Build Coastguard Worker 13*7304104dSAndroid Build Coastguard WorkerAC_DEFUN([utrace_HOST64], [AC_REQUIRE([utrace_CC_m32]) 14*7304104dSAndroid Build Coastguard WorkerAS_IF([test x$utrace_cv_CC_m32 != xnone], [dnl 15*7304104dSAndroid Build Coastguard WorkerAC_CACHE_CHECK([for 64-bit host], utrace_cv_host64, [dnl 16*7304104dSAndroid Build Coastguard WorkerAC_EGREP_CPP([@utrace_host64@], [#include <stdint.h> 17*7304104dSAndroid Build Coastguard Worker#if (UINTPTR_MAX > 0xffffffffUL) 18*7304104dSAndroid Build Coastguard Worker@utrace_host64@ 19*7304104dSAndroid Build Coastguard Worker#endif], 20*7304104dSAndroid Build Coastguard Worker utrace_cv_host64=yes, utrace_cv_host64=no)]) 21*7304104dSAndroid Build Coastguard WorkerAS_IF([test $utrace_cv_host64 = no], 22*7304104dSAndroid Build Coastguard Worker [utrace_biarch=-m64 utrace_thisarch=$utrace_cv_CC_m32], 23*7304104dSAndroid Build Coastguard Worker [utrace_biarch=$utrace_cv_CC_m32 utrace_thisarch=-m64]) 24*7304104dSAndroid Build Coastguard Worker 25*7304104dSAndroid Build Coastguard Workerbiarch_CC=`echo "$CC" | sed "s/ *${utrace_thisarch}//"` 26*7304104dSAndroid Build Coastguard Workerbiarch_CC="$biarch_CC $utrace_biarch"])]) 27*7304104dSAndroid Build Coastguard Worker 28*7304104dSAndroid Build Coastguard WorkerAC_DEFUN([utrace_BIARCH], [AC_REQUIRE([utrace_HOST64]) 29*7304104dSAndroid Build Coastguard Workerutrace_biarch_forced=no 30*7304104dSAndroid Build Coastguard WorkerAC_ARG_WITH([biarch], 31*7304104dSAndroid Build Coastguard Worker AS_HELP_STRING([--with-biarch], 32*7304104dSAndroid Build Coastguard Worker [enable biarch tests despite build problems]), 33*7304104dSAndroid Build Coastguard Worker [AS_IF([test "x$with_biarch" != xno], [utrace_biarch_forced=yes])]) 34*7304104dSAndroid Build Coastguard WorkerAS_IF([test $utrace_biarch_forced = yes], [dnl 35*7304104dSAndroid Build Coastguard Workerutrace_cv_cc_biarch=yes 36*7304104dSAndroid Build Coastguard WorkerAC_MSG_NOTICE([enabling biarch tests regardless using $biarch_CC])], [dnl 37*7304104dSAndroid Build Coastguard WorkerAS_IF([test x$utrace_cv_CC_m32 != xnone -a x$utrace_cv_host64 != xno], [dnl 38*7304104dSAndroid Build Coastguard WorkerAC_CACHE_CHECK([whether $biarch_CC makes executables we can run], 39*7304104dSAndroid Build Coastguard Worker utrace_cv_cc_biarch, [dnl 40*7304104dSAndroid Build Coastguard Workersave_CC="$CC" 41*7304104dSAndroid Build Coastguard WorkerCC="$biarch_CC" 42*7304104dSAndroid Build Coastguard WorkerAC_RUN_IFELSE([AC_LANG_PROGRAM([], [])], 43*7304104dSAndroid Build Coastguard Worker utrace_cv_cc_biarch=yes, utrace_cv_cc_biarch=no, utrace_cv_cc_biarch=no) 44*7304104dSAndroid Build Coastguard WorkerCC="$save_CC"])], [utrace_cv_cc_biarch=no]) 45*7304104dSAndroid Build Coastguard WorkerAS_IF([test $utrace_cv_cc_biarch != yes], [dnl 46*7304104dSAndroid Build Coastguard WorkerAC_MSG_WARN([not running biarch tests, $biarch_CC does not work])])]) 47*7304104dSAndroid Build Coastguard WorkerAM_CONDITIONAL(BIARCH, [test $utrace_cv_cc_biarch = yes])]) 48