| 153 |
AC_SUBST(LIBDL) |
AC_SUBST(LIBDL) |
| 154 |
AC_CHECK_LIB(dl, dlopen, [LIBDL="$LIBDL -ldl" ac_cv_func_dlopen_ldl=yes], ac_cv_func_dlopen_ldl=no) |
AC_CHECK_LIB(dl, dlopen, [LIBDL="$LIBDL -ldl" ac_cv_func_dlopen_ldl=yes], ac_cv_func_dlopen_ldl=no) |
| 155 |
|
|
| 156 |
|
# check if the compiler support -fvisibility=hidden (GCC >= 4) |
| 157 |
|
saved_CFLAGS="$CFLAGS" |
| 158 |
|
CFLAGS="$CFLAGS -fvisibility=hidden" |
| 159 |
|
AC_MSG_CHECKING([for -fvisibility=hidden]) |
| 160 |
|
AC_COMPILE_IFELSE([char foo;], |
| 161 |
|
[ AC_MSG_RESULT([yes]) |
| 162 |
|
SYMBOL_VISIBILITY="-fvisibility=hidden" ], |
| 163 |
|
AC_MSG_RESULT([no])) |
| 164 |
|
CFLAGS="$saved_CFLAGS" |
| 165 |
|
AC_SUBST(SYMBOL_VISIBILITY) |
| 166 |
|
|
| 167 |
# --disable-multi-thread |
# --disable-multi-thread |
| 168 |
AC_ARG_ENABLE(multi-thread, |
AC_ARG_ENABLE(multi-thread, |
| 169 |
AC_HELP_STRING([--disable-multi-thread],[disable multi threading]), |
AC_HELP_STRING([--disable-multi-thread],[disable multi threading]), |