Fix parallel make GH #152

just not on netbsd

Analysis and Patch by Rotwang:
1) Inside nqp's main makefile three libraries have the same make recursive
jump.  Which means that more than one make instance (separate processes)
will try to build the same objects.

2) dyncall makefiles fail due to:
http://lists.gnu.org/archive/html/bug-make/2013-12/msg00019.html

Author: Rotwang

3rdparty/dyncall/buildsys/gmake/targets.gmake

@@ -76,13 +76,13 @@ endif
 dirs: $(DIRS)
 ifdef DIRS
 $(DIRS): 
-	$(MAKE_COMMAND) -C $@ $(MAKECMDGOALS)
+	$(MAKE) -C $@ $(MAKECMDGOALS)
 endif
 
 extra-dirs: $(EXTRA_DIRS)
 ifdef EXTRA_DIRS
 $(EXTRA_DIRS):
-	$(MAKE_COMMAND) -C $@ $(MAKECMDGOALS)
+	$(MAKE) -C $@ $(MAKECMDGOALS)
 endif
 
 # --- clean -------------------------------------------------------------------

Configure.pl

@@ -193,7 +193,7 @@
                 if ($^O eq 'netbsd') {
                     $config{'dyncall_build'} = "cd 3rdparty/dyncall && BUILD_DIR=. $make -f BSDmakefile";
                 } else {
-                    $config{'dyncall_build'} = "cd 3rdparty/dyncall && BUILD_DIR=. $make";
+                    $config{'dyncall_build'} = '$(MAKE) -C 3rdparty/dyncall BUILD_DIR=.';
                 }
             }
         }

tools/build/Makefile-Parrot.in

@@ -1012,7 +1012,10 @@ $(OPS_DIR)/$(BIGINT_OPS)$(LOAD_EXT): $(OPS_DIR)/$(BIGINT_OPS_SOURCE) $(LIBTOMMAT
 	cd src/vm/parrot/6model/reprs && $(CC) -c @cc_o_out@P6bigint$(O) -I../../../../../$(PMC_DIR) -I../../../../../3rdparty/libtommath $(CINCLUDES) $(CFLAGS) P6bigint.c
 	cd $(OPS_DIR) && $(LD) @ld_out@$(BIGINT_OPS)$(LOAD_EXT) $(BIGINT_OPS)$(O) ../../../../3rdparty/libtommath/*$(O) ../6model/reprs/P6bigint$(O) $(LINKARGS)
 
-$(DYNCALL_BIN):
+$(DYNCALL_BIN): dyncall-build
+
+.PHONY: dyncall-build
+dyncall-build:
 	@dyncall_build@
 
 $(OPS_DIR)/$(DYNCALL_OPS)$(LOAD_EXT): $(OPS_DIR)/$(DYNCALL_OPS_SOURCE) $(DYNCALL_BIN) src/vm/parrot/6model/reprs/NativeCall.c src/vm/parrot/6model/reprs/NativeCall.h src/vm/parrot/6model/reprs/CStruct.c src/vm/parrot/6model/reprs/CStruct.h src/vm/parrot/6model/reprs/CPointer.c src/vm/parrot/6model/reprs/CPointer.h src/vm/parrot/6model/reprs/CArray.c src/vm/parrot/6model/reprs/CArray.h src/vm/parrot/6model/reprs/CStr.c src/vm/parrot/6model/reprs/CStr.h $(OPS_DIR)/$(OPS)$(LOAD_EXT)