Expose dependency between cont.c and coroutine implementation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Makefile.in

@@ -520,6 +520,8 @@ ext/extinit.$(OBJEXT): ext/extinit.c $(SETUP)
 
 enc/encinit.$(OBJEXT): enc/encinit.c $(SETUP)
 
+cont.$(OBJEXT): @X_FIBER_COROUTINE_H@
+
 test-bundled-gems-run:
 	$(Q) set -e; while read gem _; do \
 	  echo testing $$gem gem && \

configure.ac

@@ -2329,18 +2329,21 @@ AC_MSG_CHECKING(native fiber implementation)
 AS_CASE(["$target_cpu-$target_os"],
   [x*64-*], [
     AC_MSG_RESULT(amd64)
-    AC_DEFINE(FIBER_USE_COROUTINE, "coroutine/amd64/Context.h")
+    COROUTINE_H=coroutine/amd64/Context.h
+    AC_DEFINE_UNQUOTED(FIBER_USE_COROUTINE, ["$COROUTINE_H"])
     AC_LIBOBJ([coroutine/amd64/Context])
   ],
   [*86-*], [
     AC_MSG_RESULT(x86)
-    AC_DEFINE(FIBER_USE_COROUTINE, "coroutine/x86/Context.h")
+    COROUTINE_H=coroutine/x86/Context.h
+    AC_DEFINE_UNQUOTED(FIBER_USE_COROUTINE, ["$COROUTINE_H"])
     AC_LIBOBJ([coroutine/x86/Context])
   ]
   [*], [
     AC_MSG_RESULT(no)
   ]
 )
+AC_SUBST(X_FIBER_COROUTINE_H, [$COROUTINE_H])
 
 AS_IF([test x"$enable_pthread" = xyes], [
     for pthread_lib in thr pthread pthreads c c_r root; do