#
# ------ MacOS-X ------
#                                 macOS 11, gcc-9.3 and higher
#
# Original author: Helmut Burkhardt - CERN
#       Revisions: Guy Barrand - LAL
#                  Gabriele Cosmo - CERN
#                  Laurent Garnier - LAL
#
ifeq ($(G4SYSTEM),Darwin-g++)
  CXX       := g++
  CXXFLAGS  := -Wall -Wno-non-virtual-dtor -Wno-long-long
  CXXFLAGS  += -Wwrite-strings -Wpointer-arith -Woverloaded-virtual
  CXXFLAGS  += -Wno-variadic-macros -Wshadow -pipe
  CXXFLAGS  += -fno-trapping-math -ftree-vectorize -fno-math-errno
  CPPFLAGS  += -DGL_SILENCE_DEPRECATION
  CPPFLAGS  += -std=c++17
  CXXFLAGS  += -std=c++17
# CXXFLAGS  += -stdlib=libstdc++
  G4USE_STD17 := 1
  ifdef G4OPTIMISE
    CXXFLAGS  += -O3
    FCFLAGS   := -O3
    CCFLAGS   := -O3
  else
    ifdef G4DEBUG
      CXXFLAGS  += -g
      FCFLAGS   := -g
      CCFLAGS   := -g
    endif
  endif
  ifdef G4PROFILE
    CXXFLAGS  += -pg
    FCFLAGS   += -pg
    CCFLAGS   += -pg
  endif
  ifdef G4OPTDEBUG
    CXXFLAGS  += -O2 -g
    FCFLAGS   += -O2 -g
    CCFLAGS   += -O2 -g
  endif
  ifdef G4LIB_BUILD_SHARED
    CXXFLAGS  += -fPIC
    FCFLAGS   += -fPIC
    CCFLAGS   += -fPIC
  endif
  G4RUNPATHOPTION := -Wl,-rpath, 
#  G4STATIC_MODE += -Wl,-force_load
  FC := gfortran
  FCFLAGS += -fno-automatic -fno-backslash -fno-second-underscore
  LDFLAGS += -bind_at_load
  FCLIBS := -lg2c -lnsl
  SHEXT   := dylib
  LOADLIBS += -lm
  ifndef X11FLAGS
    X11FLAGS  := -I/usr/X11/include
  endif
  ifndef X11LIBS
    X11LIBS   := -L/usr/X11/lib  -lXmu -lXt -lXext -lX11 -lXi -lSM -lICE
  endif
  ifndef XMFLAGS
    XMFLAGS   := -I/usr/local/include
#   XMFLAGS   := -I/usr/X11/include          ##### some installations.
  endif
  ifndef XMLIBS
    XMLIBS    := -L/usr/local/lib -lXm -lXpm
#   XMLIBS    := -L/usr/X11/lib -lXm -lXpm   ##### some installations.
  endif
  ifndef XAWFLAGS
    XAWFLAGS   := -I/usr/local/include
#   XAWFLAGS   := -I/usr/X11/include         ##### some installations.
  endif
  ifndef XAWLIBS
    XAWLIBS    := -lXaw
  endif
  DLDLIBS   := -ldl
  ifndef OGLHOME
    OGLHOME  := /usr/X11
#   OGLHOME  := /System/Library/Frameworks/OpenGL.framework
  endif
  ifndef OGLFLAGS
    OGLFLAGS  := -I$(OGLHOME)/include 
#   OGLFLAGS := -I$(OGLHOME)/Headers 
  endif
  ifndef OGLLIBS
    OGLPATH  := $(shell test -f /Library/Frameworks/OpenGL.framework/OpenGL && echo "/Library/Frameworks/OpenGL.framework")
    ifneq ($(OGLPATH),/Library/Frameworks/OpenGL.framework)
      OGLPATH  := $(shell test -f /System/Library/Frameworks/OpenGL.framework/OpenGL && echo "/System/Library/Frameworks/OpenGL.framework")
    endif
    ifneq ($(OGLPATH),)
      OGLLIBS := -F$(OGLPATH)/.. -framework OpenGL -framework AGL 
    else
      OGLLIBS := -L$(OGLHOME)/lib -lGL
    endif
  endif
  ifndef OGLLIBS
    OGLPATH  := $(shell test -f /Library/Frameworks/OpenGL.framework/OpenGL && echo "/Library/Frameworks/OpenGL.framework")
    ifneq ($(OGLPATH),/Library/Frameworks/OpenGL.framework)
      OGLPATH  := $(shell test -f /System/Library/Frameworks/OpenGL.framework/OpenGL && echo "/System/Library/Frameworks/OpenGL.framework")
    endif
    ifneq ($(OGLPATH),)
      DARWIN_VERSION = $(shell uname -r | sed 's/\([0-9]*\).[0-9]*.[0-9]*/\1/')
      ifeq ($(DARWIN_VERSION),9)
        # the following lines are for building on MacOSX 10.5 "Leopard"
        OGLLIBS := -Wl,$(OGLPATH)/Libraries/libGL.dylib -L$(OGLHOME)/lib -lGL
      else
        # the following lines are for building on MacOSX > 10.5
        OGLLIBS := -F$(OGLPATH)/.. -framework OpenGL -framework AGL 
      endif
    else
      OGLLIBS := -L$(OGLHOME)/lib -lGL
    endif
  endif

# ---- Qt Setup block -------------------------------------------------------

  ifndef QTHOME
    QTHOME := /Library/Frameworks
  endif
  ifeq ($(QTHOME),/Library/Frameworks)
    ifndef QTMOC
      QTMOC      := /usr/bin/moc
    endif
    ifndef QTFLAGS
      QTFLAGS   := -I $(QTHOME)/QtCore.framework/Headers
      QTFLAGS   += -I $(QTHOME)/QtGui.framework/Headers
      QTFLAGS   += -I $(QTHOME)/QtWidgets.framework/Headers
      QTFLAGS   += -I $(QTHOME)/QtOpenGL.framework/Headers
      QTFLAGS   += -I $(QTHOME)/Qt3DCore.framework/Headers
      QTFLAGS   += -I $(QTHOME)/Qt3DExtras.framework/Headers
      QTFLAGS   += -I $(QTHOME)/Qt3DRender.framework/Headers
      QTFLAGS   += -I $(QTHOME)/include/Qt -I$(QTHOME)/include
    endif
    ifndef QTLIBPATH
      QTLPATH  := $(QTHOME)
    endif
    QTLIBPATH  := -F$(QTLPATH)
    QT_AS_FRAMEWORK := $(shell test -d $(QTLPATH)/QtCore.framework && echo yes)
    ifndef QTLIBS
      ifdef QT_AS_FRAMEWORK
        QTLIBS    := $(QTLIBPATH) -framework QtCore -framework QtGui
      else
        QTLIBS    := -L$(QTLPATH) -lQtCore -lQtGui
      endif   
    endif
    ifndef QT3DLIBS
      ifdef QT_AS_FRAMEWORK
        QT3DLIBS  := $(QTLIBPATH) -framework QtCore -framework QtGui
        QT3DLIBS  += -framework QtWidgets -framework Qt3DCore -framework Qt3DExtras -framework Qt3DRender
      else
        QT3DLIBS  := -L$(QTLPATH) -lQtCore -lQtGui
        QT3DLIBS  += -lQtWidgets -lQt3DCore -lQt3DExtras -lQt3DRender
      endif   
    endif
    ifndef GLQTLIBS  
      ifdef QT_AS_FRAMEWORK
        GLQTLIBS  := $(QTLIBPATH) -framework QtCore -framework QtGui -framework QtOpenGL
      else
        GLQTLIBS  := -L$(QTLPATH) -lQtCore -lQtGui -lQtOpenGL
      endif   
    endif
  else
    ifndef QTMOC
      QTMOC      := $(QTHOME)/bin/moc
    endif
    QTLPATH  := $(QTHOME)/lib
    ifndef QTFLAGS                          # Qt5
      QTFLAGS   := -I $(QTLPATH)/QtCore.framework/Headers 
      QTFLAGS   += -I $(QTLPATH)/QtGui.framework/Headers 
      QTFLAGS   += -I $(QTLPATH)/QtWidgets.framework/Headers
      QTFLAGS   += -I $(QTLPATH)/QtOpenGL.framework/Headers
      QTFLAGS   += -I $(QTLPATH)/Qt3DCore.framework/Headers
      QTFLAGS   += -I $(QTLPATH)/Qt3DExtras.framework/Headers
      QTFLAGS   += -I $(QTLPATH)/Qt3DRender.framework/Headers
      QTFLAGS   += -I $(QTLPATH)/QtPrintSupport.framework/Headers
      QTFLAGS   += -I $(QTHOME)/include/Qt -I$(QTHOME)/include
    endif
    ifndef QTLIBS
       QTLIBS    := -F$(QTLPATH) -framework QtCore -framework QtGui
       QTLIBS    += -framework QtWidgets -framework QtPrintSupport
    endif   
    ifndef QT3DLIBS
       QT3DLIBS    := -F$(QTLPATH) -framework QtCore -framework QtGui
       QT3DLIBS    += -framework QtWidgets
       QT3DLIBS    += -framework Qt3DCore -framework Qt3DExtras -framework Qt3DRender
       QT3DLIBS    += -framework QtPrintSupport
    endif   
    ifndef GLQTLIBS  
      GLQTLIBS    := -F$(QTLPATH) -framework QtCore -framework QtGui
      GLQTLIBS    += -framework QtWidgets
      GLQTLIBS    += -framework QtOpenGL -framework QtPrintSupport
    endif   
  endif

#------ Wt Setup block ------------------------------------------------------

  ifndef WTHOME
    WTHOME := /usr
  endif
  WTFLAGS := -I$(WTHOME)/include/boost -I$(WTHOME)/include -DQT_NO_KEYWORDS 
  WTLIBS  := -L$(WTHOME)/lib -lwt -lwtext -lwthttp  -lboost_signals  -L/usr/lib -lz -lssl -lcrypto

#----------------------------------------------------------------------------

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

endif