extconf.rb in raindrops-0.6.0

- old
+ new

@@ -1,17 +1,18 @@
 require 'mkmf'
 
+dir_config('atomic_ops')
 have_func('mmap', 'sys/mman.h') or abort 'mmap() not found'
 have_func('munmap', 'sys/mman.h') or abort 'munmap() not found'
 
 $CPPFLAGS += " -D_GNU_SOURCE "
 have_func('mremap', 'sys/mman.h')
 
 $CPPFLAGS += " -D_BSD_SOURCE -D_XOPEN_SOURCE=600 "
 have_func("getpagesize", "unistd.h")
-have_func("rb_struct_alloc_noinit")
 have_func('rb_thread_blocking_region')
+have_func('rb_thread_io_blocking_region')
 
 checking_for "GCC 4+ atomic builtins" do
   src = <<SRC
 int main(int argc, char * const argv[]) {
         volatile unsigned long i = 0;
@@ -41,8 +42,6 @@
 
 Users of Debian-based distros may run:
 
   apt-get install libatomic-ops-dev
 SRC
-
-dir_config('raindrops')
 create_makefile('raindrops_ext')