#
# ------ MacOS-X ------
#                                 MacOS 10.3 gcc-3.3
#                                 MacOS 10.4 gcc-4.0
#                                 MacOS 10.5 gcc-4.0
#
# Original author: Helmut Burkhardt - CERN
#       Revisions: Guy Barrand - LAL
#                  Gabriele Cosmo - CERN
#                  Laurent Garnier - LAL
#
ifeq ($(G4SYSTEM),Darwin-g++)
  CXX       := g++
  CXXFLAGS  := -Wall -ansi -pedantic -Wno-non-virtual-dtor -Wno-long-long
  CXXFLAGS  += -Wwrite-strings -Wpointer-arith -Woverloaded-virtual -pipe
  ifdef G4OPTIMISE
    CXXFLAGS  += -O2
    FCFLAGS   := -O2
    CCFLAGS   := -O2
  else
    ifdef G4DEBUG
      CXXFLAGS  += -g
      FCFLAGS   := -g
      CCFLAGS   := -g
    endif
  endif
  ifdef G4PROFILE
    CXXFLAGS  += -pg
    FCFLAGS   += -pg
    CCFLAGS   += -pg
  endif
  FC := gfortran
  FCFLAGS += -fno-automatic -fno-backslash -fno-second-underscore
  LDFLAGS += -bind_at_load
  FCLIBS := -lg2c -lnsl
  SHEXT   := dylib
  ifndef X11FLAGS
    X11FLAGS  := -I/usr/include/X11/extensions -I/usr/include/X11
  endif
  ifndef X11LIBS
    X11LIBS   := -L/usr/X11R6/lib  -lXmu -lXt -lXext -lX11 -lXi -lSM -lICE
  endif
  ifndef XMFLAGS
    XMFLAGS   := -I/sw/include
#   XMFLAGS   := -I/usr/X11R6/include          ##### some installations.
  endif
  ifndef XMLIBS
    XMLIBS    := -L/sw/lib -lXm -lXpm
#   XMLIBS    := -L/usr/X11R6/lib -lXm -lXpm   ##### some installations.
  endif
  ifndef XAWFLAGS
    XAWFLAGS   := -I/sw/include
#   XAWFLAGS   := -I/usr/X11R6/include         ##### some installations.
  endif
  ifndef XAWLIBS
    XAWLIBS    := -lXaw
  endif
  DLDLIBS   := -ldl
  ifndef OGLHOME
    OGLHOME  := /usr/X11R6
  endif
  ifndef OGLFLAGS
    OGLFLAGS  := -I$(OGLHOME)/include 
  endif
  ifndef OGLLIBS
    ifeq ($(shell uname -r | sed 's/\([0-9]*\).[0-9]*.[0-9]*/\1/'),9)
      # the following lines are for building on MacOSX 10.5 "Leopard"
      OGLLIBS   := $(shell test -f /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib && echo " -Wl,-dylib_file,/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib")
    else
      OGLLIBS   := -L$(OGLHOME)/lib -lGLU -lGL
    endif
  endif
  ifndef QTHOME
    QTHOME   := $(shell test -f /Library/Frameworks/Qt3Support.framework/Qt3Support && echo  "/Library/Frameworks" || echo "/sw")
  endif

  ifndef QTMOC
   ifeq ($(QTHOME),/Library/Frameworks)
     QTMOC      := /usr/bin/moc
   else
     QTMOC      := $(QTHOME)/bin/moc
   endif
  endif

  QT_VERSION := $(shell $(QTMOC) 2>&1 -v | sed 's/.* .Qt \([0-9]\)\..*/\1/' )

  ifndef QTFLAGS
    ifeq ($(QT_VERSION),4)
      QTFLAGS   := -I $(QTHOME)/QtCore.framework/Headers 
      QTFLAGS   += -I $(QTHOME)/QtGui.framework/Headers 
      QTFLAGS   += -I $(QTHOME)/QtOpenGL.framework/Headers 
    else
      QTFLAGS   := -I $(QTHOME)/include/Qt -I$(QTHOME)/include
    endif
  endif
  ifndef QTLIBPATH
    ifeq ($(QT_VERSION),3)
      QTLIBPATH   := $(shell test -d $(QTHOME)/lib/qt3/lib && echo "/lib/qt3/lib" || echo "/lib" )
    else
      QTLIBPATH  := -F$(QTHOME)
    endif
  endif
  ifndef QTLIBS
    ifeq ($(QT_VERSION),3)
      QTLIBS   := -L$(QTHOME)$(QTLIBPATH)
      QT3_MT  := $(shell ls  $(QTHOME)$(QTLIBPATH)/libqt-mt.* | wc -l )
      ifneq ($(QT3_MT),0)
        QTLIBS  += -lqt-mt
      else
        QTLIBS  += -lqt
      endif
      QTLIBS   += -lqui
    else
      QTLIBS    :=  -framework QtCore -framework QtGui
    endif
  endif

  ifndef GLQTLIBS
    ifeq ($(QT_VERSION),3)
        # already done in QTLIBS
        #      GLQTLIBS    := $(QTLIBS)
    else
      GLQTLIBS    := -F$(QTHOME) -framework QtCore -framework QtGui
      GLQTLIBS    += -framework QtOpenGL
    endif
  endif

  define build-granular-shared-lib
    @libdir=`(cd $(@D);/bin/pwd)`; \
     cd $(G4TMPDIR); \
     g++ -dynamiclib -single_module -undefined dynamic_lookup \
         -o $$libdir/$(@F) $(INTYLIBS) *.o
  endef
  define build-global-shared-lib
    @libdir=`(cd $(@D);/bin/pwd)`; \
     cd $(G4TMP)/$(G4SYSTEM); \
     g++ -dynamiclib -single_module -undefined dynamic_lookup \
         -o $$libdir/$(@F) $(INTYLIBS) $(foreach dir,$(SUBLIBS),$(dir)/*.o);
  endef

endif