diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac index dec9686..b57263e 100644 --- a/configure.ac +++ b/configure.ac @@ -50,19 +50,45 @@ dnl multiple personality support (x86 & x86_64: multilib) AC_MSG_CHECKING([for multiple personalities]) AC_ARG_ENABLE([schizo], [AS_HELP_STRING([--enable-schizo],[Support multiple personalities])], - [],[enable_schizo="yes"]) -SB_SCHIZO_SETTINGS="no" -if test "x$enable_schizo" = "xyes" ; then - case $host_alias in - x86_64*linux*) SB_SCHIZO_SETTINGS="x86_64:-m64 x86:-m32 x32:-mx32";; + [],[enable_schizo="auto"]) +AC_MSG_RESULT([$enable_schizo]) +SB_SCHIZO_SETTINGS= +AC_DEFUN([SB_CHECK_SCHIZO],[dnl + AC_MSG_CHECKING([checking for $1/$2 compiler support]) + ac_save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $2" + AC_TRY_COMPILE([ + #include <stdio.h> + ], [ + return 0 + ], [ + enable_schizo=yes + AS_VAR_APPEND([SB_SCHIZO_SETTINGS], " $1:$2") + AS_VAR_APPEND([SB_SCHIZO_HEADERS], " trace_syscalls_$1.h") + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED([SB_SCHIZO_$1], 1, [Support for $1/$2 is available]) + ], [ + AC_MSG_RESULT([no]) + ]) + CFLAGS=$ac_save_CFLAGS +]) +if test "x$enable_schizo" != "xno" ; then + enable_schizo=no + case $host in + i686*linux|x86_64*linux*) + SB_CHECK_SCHIZO([x86_64], [-m64]) + SB_CHECK_SCHIZO([x86], [-m32]) + SB_CHECK_SCHIZO([x32], [-mx32]) + ;; esac -fi -if test "$SB_SCHIZO_SETTINGS" != "no" ; then - AC_DEFINE_UNQUOTED([SB_SCHIZO], ["$SB_SCHIZO_SETTINGS"], [Enable multiple personalities support]) + SB_SCHIZO_SETTINGS=${SB_SCHIZO_SETTINGS# } + if test "x$enable_schizo" != "xno" ; then + AC_DEFINE_UNQUOTED([SB_SCHIZO], ["$SB_SCHIZO_SETTINGS"], [Enable multiple personalities support]) + fi fi AC_SUBST(SB_SCHIZO_SETTINGS) +AC_SUBST(SB_SCHIZO_HEADERS) AM_CONDITIONAL([SB_SCHIZO], test "$SB_SCHIZO_SETTINGS" != "no") -AC_MSG_RESULT($SB_SCHIZO_SETTINGS) dnl this test fills up the stack and then triggers a segfault ... dnl but it's hard to wrap things without a stack, so let's ignore |