# -*- mode: makefile -*-
#
# Makefile of ROOT for MacOS X, using g++ 64-bit mode

PLATFORM      = macosx

DEBUGFLAGS    = -g
OPTFLAGS      = -O2
ifeq (debug,$(findstring debug,$(ROOTBUILD)))
OPT           = $(DEBUGFLAGS)
NOOPT         =
else
OPT           = $(OPTFLAGS)
NOOPT         =
endif

# OS version
MACOSX_MINOR := $(shell sw_vers | sed -n 's/ProductVersion://p' | cut -d . -f 2)
MACOSX_CPU   := $(shell uname -p)
FINK_DIR     := $(shell which fink 2>&1 | sed -ne "s/\/bin\/fink//p")

# Compiler:
# From "Apple clang version ... (based on LLVM 3.0svn)"
# i.e. OSX 10.7 we will take clang as default
APPLE_CLANG  := $(shell clang -v 2>&1 | sed -n "s/.*based on LLVM //p" | cut -d . -f 1)
ifeq ($(APPLE_CLANG),)
APPLE_CLANG  := 1
endif

ifeq ($(subst $(APPLE_CLANG),,12),12)
CXX           = clang++
CC            = clang
ifeq ($(LIBCXX),yes)
CXX11FLAGS    = -stdlib=libc++
CXX11LDFLAGS  = -stdlib=libc++
endif
else
CXX           = g++
CC            = gcc
endif
CXXFLAGS      = -m64 -std=c++11 -pipe -Wshadow -W -Wall -Woverloaded-virtual \
                -fsigned-char -fno-common $(EXTRA_CXXFLAGS) $(FINK_CXXFLAGS) \
                $(TARGETFLAGS) $(CXX11FLAGS)
CFLAGS        = -m64 -pipe -Wshadow -W -Wall -fsigned-char -fno-common \
                $(EXTRA_CFLAGS) $(FINK_CFLAGS) $(TARGETFLAGS)
COMPILER      = gnu

# Linker:
ifeq ($(subst $(APPLE_CLANG),,12),12)
LD            = clang++
else
LD            = g++
endif
LDFLAGS       = $(OPT) -m64 -mmacosx-version-min=$(MACOSXVERS)
F77LDFLAGS   := $(LDFLAGS)
LDFLAGS      += $(CXX11LDFLAGS)

FORCELINK     = yes
NEEDFINK      = yes

ifeq ($(subst $(MACOSX_MINOR),,1234),1234)
ifeq ($(USECONFIG),FALSE)
SOFLAGS       = -dynamiclib -single_module -Wl,-dead_strip_dylibs \
                -install_name @rpath/
else
SOFLAGS       = -dynamiclib -single_module -Wl,-dead_strip_dylibs \
                -install_name $(LIBDIR)/
endif
FORCELINK     = no
NEEDFINK      = no
else
ifeq ($(subst $(MACOSX_MINOR),,123),123)
SOFLAGS       = -dynamiclib -single_module \
                -undefined dynamic_lookup -install_name $(LIBDIR)/
FORCELINK     = no
NEEDFINK      = no
else
ifeq ($(MACOSX_MINOR),3)
SOFLAGS       = -dynamiclib -single_module \
                -undefined dynamic_lookup -install_name $(LIBDIR)/
LDFLAGS      += -bind_at_load
else
SOFLAGS       = -dynamiclib -single_module \
                -undefined suppress -install_name $(LIBDIR)/
LDFLAGS      += -bind_at_load
endif
endif
endif
ifeq ($(subst $(MACOSX_MINOR),,1234),1234)
SOEXT         = so
else
SOEXT         = dylib
endif

# System libraries:
SYSLIBS       = -lm $(EXTRA_LDFLAGS) $(FINK_LDFLAGS) $(OSTHREADLIBDIR) \
                $(OSTHREADLIB) -ldl $(ALLOCLIBDIR) $(ALLOCLIB)
XLIBS         = $(XPMLIBDIR) $(XPMLIB) $(X11LIBDIR) -lXext -lX11
CILIBS        = -lm $(EXTRA_LDFLAGS) $(FINK_LDFLAGS) -ldl

# Fortran:
F77ORG        = gfortran
F77FLAGS      = -m64 -std=legacy
ifneq ($(F77),)
F77LIBS      := $(shell $(F77) -m64 -print-file-name=libgfortran.dylib 2>&1 | grep /)
F77LIBS      += $(shell $(F77) -m64 -print-file-name=libgfortran.a 2>&1 | grep /)
F77LIBS      += $(shell $(F77) -m64 -print-file-name=libgfortranbegin.a 2>&1 | grep /)
endif

# Override default in Makefile.config
INSTALL      := /bin/cp -pPR
INSTALLDATA  := /bin/cp -pPR

# Extras
ifeq ($(NEEDFINK),yes)
FINK_CXXFLAGS := $(shell [ -d $(FINK_DIR)/include ] && echo -I$(FINK_DIR)/include)
FINK_CFLAGS   := $(shell [ -d $(FINK_DIR)/include ] && echo -I$(FINK_DIR)/include)
FINK_LDFLAGS  := $(shell [ -d $(FINK_DIR)/lib ] && echo -L$(FINK_DIR)/lib)
endif

ifeq ($(MACOSX_MINOR),7)
MACOSX_SSL_DEPRECATED = yes
endif
ifeq ($(MACOSX_MINOR),8)
MACOSX_SSL_DEPRECATED = yes
MACOSX_ODBC_DEPRECATED = yes
endif
ifeq ($(MACOSX_MINOR),9)
MACOSX_SSL_DEPRECATED = yes
MACOSX_ODBC_DEPRECATED = yes
MACOSX_GLU_DEPRECATED = yes
MACOSX_KRB5_DEPRECATED = yes
endif

ifeq ($(CONFIGURE),yes)
showcxx:
	@echo "$(CXX)"

showcc:
	@echo "$(CC)"

showld:
	@echo "$(LD)"

showf77:
	@echo "$(F77ORG)"
endif