diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/configure.ac b/configure.ac index 1c88b37c..64a655b1 100644 --- a/configure.ac +++ b/configure.ac @@ -617,42 +617,9 @@ else if test "x$dbus_cv___va_copy" = "xyes"; then fi fi -if test -n "$dbus_va_copy_func"; then - AC_DEFINE_UNQUOTED(DBUS_VA_COPY,$dbus_va_copy_func,[A 'va_copy' style function]) -fi - -AC_LANG_PUSH(C) -AC_CACHE_CHECK([whether va_lists can be copied by value], - dbus_cv_va_val_copy, - [AC_RUN_IFELSE([AC_LANG_PROGRAM( -[[ - #include <stdarg.h> - #include <stdlib.h> -]], -[[ - static void f (int i, ...) { - va_list args1, args2; - va_start (args1, i); - args2 = args1; - if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) - exit (1); - va_end (args1); va_end (args2); - } - int main() { - f (0, 42); - return 0; - } -]])], - [dbus_cv_va_val_copy=yes], - [dbus_cv_va_val_copy=no], - [dbus_cv_va_val_copy=yes]) -]) -AC_LANG_POP(C) - -if test "x$dbus_cv_va_val_copy" = "xno"; then - AC_DEFINE(DBUS_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values]) -fi - +AS_IF([test -n "$dbus_va_copy_func"], + [AC_DEFINE_UNQUOTED([DBUS_VA_COPY], [$dbus_va_copy_func], [A 'va_copy' style function])], + [AC_MSG_ERROR([dbus requires an ISO C99-compatible va_copy() macro, or a compatible __va_copy(), or MSVC >= 2010 and CMake])]) #### Atomic integers |