# -*- Makefile -*-
# Mac OSX makefile for FreeImage

# This file can be generated by ./gensrclist.sh
include Makefile.srcs

# Find SDK path via xcode-select, backwards compatible with Xcode vers < 4.5
MACOSX_SYSROOT = $(shell xcrun --show-sdk-path)
# Specify deployement target here
MACOSX_DEPLOYMENT_TARGET = 10.11

# General configuration variables:
CC_ARM64 = $(shell xcrun -find clang)
CC_X86_64 = $(shell xcrun -find clang)
CPP_ARM64 = $(shell xcrun -find clang++)
CPP_X86_64 = $(shell xcrun -find clang++)
MACOSX_DEPLOY = -mmacosx-version-min=$(MACOSX_DEPLOYMENT_TARGET)
# temp - perf measurement doesn't build with arm64. Disable for now
COMPILERFLAGS = -Os -fexceptions -fvisibility=hidden -DNO_LCMS -D__ANSI__ -Wno-implicit-function-declaration -DDISABLE_PERF_MEASUREMENT
# temp - neon is not compiling. Disable until I can track dowwn why.
COMPILERFLAGS_ARM64 = -arch arm64 -DPNG_ARM_NEON_OPT=0
COMPILERFLAGS_X86_64 = -arch x86_64
COMPILERPPFLAGS = -Wno-ctor-dtor-privacy -D__ANSI__ -std=c++11 -stdlib=libc++ -Wc++11-narrowing
INCLUDE +=
INCLUDE_ARM64 = -isysroot $(MACOSX_SYSROOT)
INCLUDE_X86_64 = -isysroot $(MACOSX_SYSROOT)
CFLAGS_ARM64 = $(COMPILERFLAGS) $(COMPILERFLAGS_ARM64) $(INCLUDE) $(INCLUDE_ARM64) $(MACOSX_DEPLOY)
CFLAGS_X86_64 = $(COMPILERFLAGS) $(COMPILERFLAGS_X86_64) $(INCLUDE) $(INCLUDE_X86_64) $(MACOSX_DEPLOY)
CPPFLAGS_ARM64 = $(COMPILERPPFLAGS) $(CFLAGS_ARM64)
CPPFLAGS_X86_64 = $(COMPILERPPFLAGS) $(CFLAGS_X86_64)
LIBRARIES_ARM64 = $(MACOSX_DEPLOY) -Wl,-syslibroot $(MACOSX_SYSROOT)
LIBRARIES_X86_64 = $(MACOSX_DEPLOY) -Wl,-syslibroot $(MACOSX_SYSROOT)
LIBTOOL = libtool
LIPO = lipo

TARGET = freeimage
STATICLIB = lib$(TARGET).a
SHAREDLIB = lib$(TARGET)-$(VER_MAJOR).$(VER_MINOR).dylib
LIBNAME = lib$(TARGET).$(VER_MAJOR).dylib
HEADER = Source/FreeImage.h

.SUFFIXES: .o-arm64 .o-x86_64
MODULES_ARM64 = $(SRCS:.c=.o-arm64)
MODULES_X86_64 = $(SRCS:.c=.o-x86_64)
MODULES_ARM64 := $(MODULES_ARM64:.cpp=.o-arm64)
MODULES_X86_64 := $(MODULES_X86_64:.cpp=.o-x86_64)

PREFIX = /usr/local
INSTALLDIR = $(PREFIX)/lib
INCDIR = $(PREFIX)/include

default: all

all: dist


# ONLY STATIC AND 64 BIT // START ---
# Uncomment the lines to --- End to built a 64-bit static lib

#dist: FreeImage
#	cp *.a Dist
#	cp Source/FreeImage.h Dist

#FreeImage: $(STATICLIB)

#$(STATICLIB): $(STATICLIB)-x86_64
#	cp -p $(STATICLIB)-x86_64 $(STATICLIB)

# --- END

# STATIC AND DYNAMIC 64 BIT and ARM // START ---
# Uncomment the lines to --- End to build an x86_64 & arm64 fat lib and dylib

dist: FreeImage
	cp *.a Dist
	cp *.dylib Dist
	cp Source/FreeImage.h Dist

FreeImage: $(STATICLIB) $(SHAREDLIB)

$(STATICLIB): $(STATICLIB)-arm64 $(STATICLIB)-x86_64
	$(LIPO) -create $(STATICLIB)-arm64 $(STATICLIB)-x86_64 -output $(STATICLIB)

# --- END

$(STATICLIB)-arm64: $(MODULES_ARM64)
	$(LIBTOOL) -arch_only arm64 -o $@ $(MODULES_ARM64)

$(STATICLIB)-x86_64: $(MODULES_X86_64)
	$(LIBTOOL) -arch_only x86_64 -o $@ $(MODULES_X86_64)

$(SHAREDLIB): $(SHAREDLIB)-arm64 $(SHAREDLIB)-x86_64
	$(LIPO) -create $(SHAREDLIB)-arm64 $(SHAREDLIB)-x86_64 -output $(SHAREDLIB)

$(SHAREDLIB)-arm64: $(MODULES_ARM64)
	$(CPP_ARM64) -arch arm64 -dynamiclib $(LIBRARIES_ARM64) -o $@ $(MODULES_ARM64)

$(SHAREDLIB)-x86_64: $(MODULES_X86_64)
	$(CPP_X86_64) -arch x86_64 -dynamiclib $(LIBRARIES_X86_64) -o $@ $(MODULES_X86_64)

.c.o-arm64:
	$(CC_ARM64) $(CFLAGS_ARM64) -c $< -o $@

.c.o-x86_64:
	$(CC_X86_64) $(CFLAGS_X86_64) -c $< -o $@

.cpp.o-arm64:
	$(CPP_ARM64) $(CPPFLAGS_ARM64) -c $< -o $@

.cpp.o-x86_64:
	$(CPP_X86_64) $(CPPFLAGS_X86_64) -c $< -o $@

install:
	install -d -m 755 -o root -g wheel $(INCDIR) $(INSTALLDIR)
	install -m 644 -o root -g wheel $(HEADER) $(INCDIR)
	install -m 644 -o root -g wheel $(SHAREDLIB) $(STATICLIB) $(INSTALLDIR)
	ranlib -sf $(INSTALLDIR)/$(STATICLIB)
	ln -sf $(SHAREDLIB) $(INSTALLDIR)/$(LIBNAME)

clean:
	rm -f core Dist/*.* u2dtmp* $(MODULES_ARM64) $(MODULES_X86_64) $(STATICLIB) $(STATICLIB)-arm64 $(SHAREDLIB) $(SHAREDLIB)-arm64 $(SHAREDLIB)-x86_64