* threads.c: fix various preprocessor usages of new public

symbols to expect 0 or 1 values rather than 1 or undefined.
i.e. change #ifdef to #if, etc.

* null-threads.c: fix various preprocessor usages of new public
symbols to expect 0 or 1 values rather than 1 or undefined.
i.e. change #ifdef to #if, etc.

* coop-threads.c: fix various preprocessor usages of new public
symbols to expect 0 or 1 values rather than 1 or undefined.
i.e. change #ifdef to #if, etc.

* coop-pthreads.c: fix various preprocessor usages of new public
symbols to expect 0 or 1 values rather than 1 or undefined.
i.e. change #ifdef to #if, etc.

diff --git a/libguile/threads.c b/libguile/threads.c
index aeb0262..94a7478 100644 (file)
--- a/libguile/threads.c
+++ b/libguile/threads.c
@@ -975,7 +975,7 @@ scm_threads_mark_stacks (void)
          /* Active thread */
          /* stack_len is long rather than sizet in order to guarantee
             that &stack_len is long aligned */
-#ifdef SCM_STACK_GROWS_UP
+#if SCM_STACK_GROWS_UP
          stack_len = ((SCM_STACKITEM *) (&t) -
                       (SCM_STACKITEM *) thread->base);
          
@@ -1022,7 +1022,7 @@ scm_threads_mark_stacks (void)
       else
        {
          /* Suspended thread */
-#ifdef SCM_STACK_GROWS_UP
+#if SCM_STACK_GROWS_UP
          long stack_len = t->top - t->base;
          scm_mark_locations (t->base, stack_len);
 #else
@@ -1261,8 +1261,8 @@ scm_i_thread_sleep_for_gc ()
 scm_t_mutex scm_i_critical_section_mutex;
 scm_t_rec_mutex scm_i_defer_mutex;
 
-#ifdef SCM_USE_PTHREAD_THREADS
-#include "libguile/pthread-threads.c"
+#if SCM_USE_PTHREAD_THREADS
+# include "libguile/pthread-threads.c"
 #endif
 #include "libguile/threads-plugin.c"
 
@@ -1272,7 +1272,7 @@ void
 scm_threads_prehistory ()
 {
   scm_thread *t;
-#ifdef SCM_USE_PTHREAD_THREADS
+#if SCM_USE_PTHREAD_THREADS
   /* Must be called before any initialization of a mutex. */
   scm_init_pthread_threads ();
 #endif