+# Dependencies for target modules on other target modules are
+# described by lang_env_dependencies; the defaults apply to anything
+# not mentioned there.
+[+
+ ;; Predicate for whether LANG was specified in lang_env_dependencies.
+ (define lang-dep (lambda (lang)
+ (hash-ref lang-env-deps (string-append (get "module") "-" lang))))
+
+ ;; Build the hash table we will need.
+ (define lang-env-deps (make-hash-table 7))
++][+ FOR lang_env_dependencies +][+
+ (if (exist? "cxx")
+ (hash-create-handle! lang-env-deps
+ (string-append (get "module") "-" "cxx") #t))
+
+ (if (exist? "no_c")
+ (hash-create-handle! lang-env-deps
+ (string-append (get "module") "-" "no_c") #t))
+
+ (if (exist? "no_gcc")
+ (hash-create-handle! lang-env-deps
+ (string-append (get "module") "-" "no_gcc") #t))
+ "" +][+ ENDFOR lang_env_dependencies +]
+
+@if gcc-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc"))
+ +][+ IF bootstrap +][+ FOR bootstrap_stage +]
+configure-stage[+id+]-target-[+module+]: maybe-all-stage[+id+]-target-libgcc[+
+ ENDFOR +][+ ENDIF bootstrap +][+ ENDIF +][+ ENDFOR target_modules +]
+@endif gcc-bootstrap
+
+@if gcc-no-bootstrap[+ FOR target_modules +][+ IF (not (lang-dep "no_gcc")) +]
+configure-target-[+module+]: maybe-all-target-libgcc[+
+ ENDIF +][+ ENDFOR target_modules +]
+@endif gcc-no-bootstrap
+
+[+ FOR target_modules +][+ IF (not (lang-dep "no_c")) +]
+configure-target-[+module+]: maybe-all-target-newlib maybe-all-target-libgloss[+
+ ENDIF +][+ IF (lang-dep "cxx") +]
+configure-target-[+module+]: maybe-all-target-libstdc++-v3[+
+ ENDIF +]
+[+ ENDFOR target_modules +]
+