#
# ------ MacOS-X ------
#                                 MacOS 10.3 gcc-3.3
#                                 MacOS 10.4 gcc-4.0
#
# Original author: Helmut Burkhardt - CERN
#       Revisions: Guy Barrand - LAL
#                  Gabriele Cosmo - CERN
#
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
    OGLLIBS   := -L$(OGLHOME)/lib -lGLU -lGL
# It may be required to uncomment the following lines for building on MacOSX 10.5 "Leopard"
#    OGLLIBS   += -dylib_file \
#                 /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:\
#                 /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
  endif
  ifndef QTHOME
    QTHOME     := /sw
  endif

  QT_VERSION   := $(shell test -f $(QTHOME)/Qt3Support.framework/Qt3Support && echo QT3 || echo QT4)

  ifndef QTFLAGS
    ifeq ($(QT_VERSION),QT4)
      QTFLAFG   := "-I ${QTHOME}/QtCore.framework/Headers "
      QTFLAFG   += "-I ${QTHOME}/QtGui.framework/Headers "
      QTFLAFG   += "-I ${QTHOME}/QtOpenGL.framework/Headers "
      QTFLAFG   += "-I ${QTHOME}/QtSql.framework/Headers "
      QTFLAFG   += "-I ${QTHOME}/QtXml.framework/Headers "
    else
      QTFLAGS   := -I$(QTHOME)/include/Qt -I$(QTHOME)/include
    endif
  endif
  ifndef QTMOC
    ifeq ($(QT_VERSION),QT4)
      QTMOC      := /usr/bin/moc
    else
      QTMOC      := $(QTHOME)/bin/moc
    endif
  endif
  ifndef QTLIBS
    ifeq ($(QT_VERSION),QT3)
      QTLIBS    := -L$(QTHOME)/lib -lqt -lqui
    else
      QTLIBS    := -F$(QTHOME) -framework QtCore -framework QtGui
      QTLIBS    += -framework QtSql -framework QtXml
    endif
  endif

  ifndef GLQTLIBS
    ifeq ($(QT_VERSION),QT3)
      GLQTLIBS    := -L$(QTHOME)/lib -lqt -lqui
    else
      GLQTLIBS    := -F$(QTHOME) -framework QtCore -framework QtGui
      GLQTLIBS    += -framework QtOpenGL -framework QtSql -framework QtXml
    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