# +-======-+ 
#  Copyright (c) 2003-2018 United States Government as represented by 
#  the Admistrator of the National Aeronautics and Space Administration.  
#  All Rights Reserved.
#  
#  THIS OPEN  SOURCE  AGREEMENT  ("AGREEMENT") DEFINES  THE  RIGHTS  OF USE,
#  REPRODUCTION,  DISTRIBUTION,  MODIFICATION AND REDISTRIBUTION OF CERTAIN 
#  COMPUTER SOFTWARE ORIGINALLY RELEASED BY THE UNITED STATES GOVERNMENT AS 
#  REPRESENTED BY THE GOVERNMENT AGENCY LISTED BELOW ("GOVERNMENT AGENCY").  
#  THE UNITED STATES GOVERNMENT, AS REPRESENTED BY GOVERNMENT AGENCY, IS AN 
#  INTENDED  THIRD-PARTY  BENEFICIARY  OF  ALL  SUBSEQUENT DISTRIBUTIONS OR 
#  REDISTRIBUTIONS  OF THE  SUBJECT  SOFTWARE.  ANYONE WHO USES, REPRODUCES, 
#  DISTRIBUTES, MODIFIES  OR REDISTRIBUTES THE SUBJECT SOFTWARE, AS DEFINED 
#  HEREIN, OR ANY PART THEREOF,  IS,  BY THAT ACTION, ACCEPTING IN FULL THE 
#  RESPONSIBILITIES AND OBLIGATIONS CONTAINED IN THIS AGREEMENT.
#  
#  Government Agency: National Aeronautics and Space Administration
#  Government Agency Original Software Designation: GSC-15354-1
#  Government Agency Original Software Title:  GEOS-5 GCM Modeling Software
#  User Registration Requested.  Please Visit http://opensource.gsfc.nasa.gov
#  Government Agency Point of Contact for Original Software:  
#  			Dale Hithon, SRA Assistant, (301) 286-2691
#  
# +-======-+ 
  ################################
  #                              #
  #    Arch Specific Defaults    #
  #                              #
  ################################

  # --------------
  # Darwin (macOS)
  # --------------

  ifeq ($(ARCH),Darwin)
     MKL_OS = mac

     MAC_VER := $(subst ., ,$(word 3,$(shell sw_vers -productVersion)))
     MAC_MAJOR := $(word 1,$(MAC_VER))
     MAC_MINOR := $(word 2,$(MAC_VER))

     # MAT INC_SYS doesn't seem used in GEOS-5. But this was added...commenting out for now
     #     pending further testing
     #INC_SYS := $(shell xcodebuild -version -sdk macosx$(MAC_MAJOR).$(MAC_MINOR) Path)/usr/include

     RANLIB_FLAGS = -c -no_warning_for_no_symbols

     # Tom Clune asked for this flag as it helped suppress many
     # warnings
     LDFLAGS += -Wl,-no_compact_unwind

     DLLEXT = dylib
  endif