native: avoid include of platform.mk on clean

com.oracle.truffle.r.native/builtinlibs/Makefile

@@ -28,7 +28,9 @@
 # that refers to GnuR-internal symbols.
 #
 
+ifneq ($(MAKECMDGOALS),clean)
 include $(TOPDIR)/platform.mk
+endif
 
 .PHONY: all clean cleanlib cleanobj force libr
 

com.oracle.truffle.r.native/fficall/jni/Makefile

@@ -25,7 +25,9 @@ ifeq ($(TOPDIR),)
     TOPDIR = $(abspath ../..)
 endif
 
+ifneq ($(MAKECMDGOALS),clean)
 include $(TOPDIR)/platform.mk
+endif
 
 .PHONY: all clean
 

com.oracle.truffle.r.native/gnur/Makefile.gnur

@@ -77,6 +77,11 @@ build: $(GNUR_DIR)/bin/R
 $(GNUR_DIR)/bin/R: $(GNUR_DIR)/Makeconf 
 	(cd $(GNUR_DIR); make >& gnur_make.log)
 
+HAVE_MAKEFILE := $(shell [ -f $(GNUR_DIR)/Makefile ] && echo "Makefile.exists")
+ifeq ($(HAVE_MAKEFILE),Makefile.exists)
 clean:
 	rm -f Makeconf.done
 	(cd $(GNUR_DIR); make distclean)
+else
+clean:
+endif

com.oracle.truffle.r.native/gnur/Makefile.libs

@@ -23,7 +23,9 @@
 
 # Copies the Blas and lapack libraries and builds the pcre library
 
+ifneq ($(MAKECMDGOALS),clean)
 include $(TOPDIR)/platform.mk
+endif
 
 TARGET_DIR := $(TOPDIR)/builtinlibs/lib
 BLAS_TARGET := $(TARGET_DIR)/libRblas$(DYLIB_EXT)

com.oracle.truffle.r.native/library/lib.mk

@@ -30,7 +30,9 @@
 # A package that requires special processing before the library is built should
 # define LIB_PKG_PRE and for post processing define LIB_PKG_POST
 
+ifneq ($(MAKECMDGOALS),clean)
 include $(TOPDIR)/platform.mk
+endif
 
 .PHONY: all clean cleanlib cleanobj force libr libcommon 
 

com.oracle.truffle.r.test.native/packages/testrffi/src/src/Makefile

@@ -29,7 +29,9 @@ C_OBJECTS := $(C_SOURCES:.c=.o)
 C_LIB := testrffi.so
 
 NATIVE_PROJECT=$(FASTR_HOME)/com.oracle.truffle.r.native
+ifneq ($(MAKECMDGOALS),clean)
 include $(NATIVE_PROJECT)/platform.mk
+endif
 
 ifeq ($(FASTR_INSTALL), GNUR)
     INCLUDES := -I $(R_HOME)/include

com.oracle.truffle.r.test.native/urand/Makefile

@@ -27,7 +27,9 @@ endif
 
 NATIVE_PROJECT = $(subst test.native,native,$(TOPDIR))
 
+ifneq ($(MAKECMDGOALS),clean)
 include $(NATIVE_PROJECT)/platform.mk
+endif
 
 .PHONY: all clean
 

com.oracle.truffle.r.test/rpackages/rffi/testrffi/src/Makefile

@@ -29,7 +29,9 @@ C_OBJECTS := $(C_SOURCES:.c=.o)
 C_LIB := testrffi.so
 
 NATIVE_PROJECT=$(FASTR_HOME)/com.oracle.truffle.r.native
+ifneq ($(MAKECMDGOALS),clean)
 include $(NATIVE_PROJECT)/platform.mk
+endif
 
 ifeq ($(FASTR_INSTALL), GNUR)
     INCLUDES := -I $(R_HOME)/include