Added Android targeted build support to the makefile

makefile

@@ -7,9 +7,10 @@
 #   NetBSD
 #   FreeBSD
 #   Windows (MinGW & cygwin)
+#   Linux x86 targeting Android (using agcc script)
 #
-#
-# CC Command (and platform available options).  (Poor man's autoconf)
+# Android targeted builds should invoke GNU make with GCC=agcc on
+# the command line.
 #
 # In general, the logic below will detect and build with the available 
 # features which the host build environment provides. 
@@ -20,14 +21,21 @@
 # Internal ROM support can be disabled if GNU make is invoked with
 # DONT_USE_ROMS=1 on the command line.
 #
-ifeq ($(WIN32),)
-  #*nix Environments (&& cygwin)
+# CC Command (and platform available options).  (Poor man's autoconf)
+#
+ifeq ($(WIN32),)  #*nix Environments (&& cygwin)
+  ifeq ($(GCC),)
     GCC = gcc
+  endif
   ifeq (SunOS,$(shell uname))
     TEST = /bin/test
   else
     TEST = test
   endif
+  ifeq (agcc,$(findstring agcc,$(GCC))) # Android target build?
+    OS_CCDEFS = -D_GNU_SOURCE -DSIM_ASYNCH_IO
+    OS_LDFLAGS = -lm 
+  else # Non-Android Builds
     INCPATH=/usr/include
     LIBPATH=/usr/lib
     OS_CCDEFS = -D_GNU_SOURCE
@@ -63,6 +71,7 @@ ifeq ($(WIN32),)
         endif
       endif
     endif
+  endif
   ifeq (cygwin,$(findstring cygwin,$(OSTYPE)))
     OS_CCDEFS += -O2 
   endif
@@ -441,7 +450,11 @@ endif
 
 ${BIN}BuildROMs${EXE} : 
 	${MKDIRBIN}
+ifeq (agcc,$(findstring agcc,$(firstword $(CC))))
+	gcc $(wordlist 2,1000,${CC}) sim_BuildROMs.c -o $@
+else
 	${CC} sim_BuildROMs.c -o $@
+endif
 ifeq ($(WIN32),)
 	$@
 	${RM} $@