Makefile

# default to linux
PLAT=linux

# TODO extract from src/compile_constants.h
VERSION=0.101.0

# windows: msys2 mingw64 environment
#
# cross_win: msys2 clang/ucrt64 cross compile env using
# using https://github.com/HolyBlackCat/quasi-msys2

PLATS=linux cross_win msys2

#CC=tcc

# for some reason the sanitizers aren't working in my cross compile environment
# but it's really only for creating a windows release/package anyway
ifeq ($(PLAT), cross_win)
TARGET=sdl_img.exe
ifeq ($(config), release)
	OPTS=-std=gnu99 -msse -O2 -g -DNDEBUG
	#OPTS=-std=gnu99 -msse -O2 -DNDEBUG -DSDL_DISABLE_IMMINTRIN_H
else
	# asan and ubsan are not supported so no separate sanitize config
	OPTS=-std=gnu99 -Og -Wall
endif
else
TARGET=sdl_img
endif


ifeq ($(PLAT), linux)
ifeq ($(config), release)
	OPTS=-std=gnu99 -msse -O2 -g -DNDEBUG
	#OPTS=-std=gnu99 -march=native -O2 -g -DNDEBUG
	#OPTS=-std=gnu99 -march=native -O2 -DNDEBUG -DSDL_DISABLE_IMMINTRIN_H
else ifeq ($(config), sanitize)
	OPTS=-fsanitize=address -fsanitize=undefined -std=gnu99 -march=native -g -Wall
else
	OPTS=-std=gnu99 -march=native -g -Wall
endif
endif

ifeq ($(PLAT), msys2)
ifeq ($(config), release)
	# gcc man page says -march=native only works on GNU/Linux...will need testing
	# for msys2 and cross_win
	OPTS=-std=gnu99 -msse -O2 -DNDEBUG
	#OPTS=-std=gnu99 -msse -O2 -DNDEBUG -DSDL_DISABLE_IMMINTRIN_H
else ifeq ($(config), sanitize)
	OPTS=-fsanitize=address -fsanitize=undefined -std=gnu99 -Og -Wall
else
	OPTS=-std=gnu99 -Og -Wall
endif
endif



#CFLAGS=`pkg-config sdl2 libcurl --cflags` -Ilua-5.4.7/src
#LIBS=`pkg-config sdl2 libcurl --libs` -lm -Llua-5.4.7/src -llua

CFLAGS=`pkg-config sdl2 libcurl --cflags` -Ilua-5.4.7/src -Isrc/extlibs
LIBS=`pkg-config sdl2 libcurl --libs` -lm

# for tradititonal make install
PREFIX ?= /usr/local

DESTDIR ?=

# generated folder for building packages
# has to match INST_FOLDER in make_installer.nsi
PKGDIR=package

#PKG_DIR=$(PKGDIR)$(DESTDIR)

# in repo dir of packaging related files
PKGSRC=package_files

SRCS=src/sdl_img.c src/events.c src/gui.c src/draw_library.c src/rendering.c src/lua_config.c \
	 src/thumbs.c src/curl_stuff.c src/actions.c src/playlists.c src/sorting.c src/controls_str.c \
	 src/recent_files.c src/setup_shutdown.c src/sqlite.c \
	 src/sdl_img.h src/thumbs.h src/curl_stuff.h \
	 src/compile_constants.h src/config_constants.h \
	 src/clnk.h src/file_browser.h src/lua_helper.h


all: $(TARGET)

sdl_img: $(SRCS) nuklear.o minilua.o sqlite3.o
	$(CC) $(OPTS) src/sdl_img.c minilua.o nuklear.o sqlite3.o -o $@ $(CFLAGS) $(LIBS)

sdl_img.exe: $(SRCS) nuklear.o minilua.o sqlite3.o
	$(CC) $(OPTS) src/sdl_img.c nuklear.o minilua.o sqlite3.o -o $@ $(CFLAGS) $(LIBS)

sqlite3.o: src/extlibs/sqlite3.c
	$(CC) $(OPTS) -c src/extlibs/sqlite3.c

nuklear.o: src/extlibs/nuklear.h src/extlibs/nuklear_sdl_renderer.h
	$(CC) $(OPTS) -c src/extlibs/nuklear.c `pkg-config sdl2 --cflags`

minilua.o: src/extlibs/minilua.c
	$(CC) $(OPTS) -c src/extlibs/minilua.c -lm


# Stupid debian doesn't allow '_' in package names so some mismatches below
linux_package:
	./$(PKGSRC)/make_deb.sh
	fpm -s dir -t tar -v 0.101.0 -n sdl_img_0.101.0 -C $(PKGDIR) \
	--log info --verbose \
	-d "libc6" -d "libsdl2-2.0-0 >= 2.0.20" -d "libcurl4" \
	-m "Robert Winkler <rob121618@gmail.com>" \
	--description "A simple image viewer based on SDL2 and stb_image" \
	--license MIT \
	--url "https://github.com/rswinkle/sdl_img"

cross_win_package: sdl_img.exe
	mkdir $(PKGDIR)
	win-ldd sdl_img.exe | grep ucrt64 | awk '{print $$3}' | xargs -I{} cp {} $(PKGDIR)
	cp $(PKGSRC)/sdl_img.ico $(PKGDIR)
	cp $(PKGSRC)/*.bmp $(PKGDIR)
	cp $(PKGSRC)/ca-bundle.crt $(PKGDIR)
	cp LICENSE $(PKGDIR)
	cp LICENSE $(PKGDIR)/LICENSE.txt
	cp README.md $(PKGDIR)
	unix2dos $(PKGDIR)/README.md $(PKGDIR)/LICENSE*
	cp sdl_img.exe $(PKGDIR)
	makensis make_installer.nsi


install: sdl_img
	install -d $(DESTDIR)$(PREFIX)/bin
	install -d $(DESTDIR)$(PREFIX)/share/man/man1
	install -d $(DESTDIR)$(PREFIX)/share/applications
	install -d $(DESTDIR)$(PREFIX)/share/icons/hicolor/48x48/apps
	install -m 0755 sdl_img $(DESTDIR)$(PREFIX)/bin
	install -m 0644 $(PKGSRC)/sdl_img.1 $(DESTDIR)$(PREFIX)/share/man/man1
	install -m 0644 $(PKGSRC)/sdl_img.desktop $(DESTDIR)$(PREFIX)/share/applications
	install -m 0644 $(PKGSRC)/sdl_img.png $(DESTDIR)$(PREFIX)/share/icons/hicolor/48x48/apps

# Only do this on older distro like Ubuntu 22.04 for maximum
# compatibility
#
# Prereq, download the latest version of the linuxdeploy appimage
# here: https://github.com/linuxdeploy/linuxdeploy/releases 
# put it in ~/Applications and make it executable with chmod +x  
appimage: sdl_img
	make install DESTDIR=AppDir PREFIX=/usr
	export LDAI_VERSION=0.101.0 && ~/Applications/linuxdeploy-x86_64.AppImage --appdir AppDir/ -dAppDir/usr/share/applications/sdl_img.desktop -iAppDir/usr/share/icons/hicolor/48x48/apps/sdl_img.png -eAppDir/usr/bin/sdl_img --output appimage

clean:
	rm -f sdl_img *.o *.exe
	$(MAKE) -C lua-5.4.7/ clean
	rm -rf $(PKGDIR)
	rm -rf AppDir
	rm *.deb
	rm *.tar


# Below here are no longer used... unless/until I update them
windows: nuklear.o minilua.o
	$(CC) $(OPTS) src/sdl_img.c nuklear.o minilua.o -o sdl_img.exe $(CFLAGS) $(LIBS)

windows_package: windows
	ldd sdl_img.exe | grep mingw64 | cut -d' ' -f3 | xargs -I{} cp {} $(PKGDIR)
	cp LICENSE $(PKGDIR)
	cp LICENSE $(PKGDIR)/LICENSE.txt
	cp README.md $(PKGDIR)
	unix2dos $(PKGDIR)/README.md $(PKGDIR)/LICENSE*
	cp sdl_img.exe $(PKGDIR)
	makensis.exe make_installer.nsi



lua:
	$(MAKE) -C lua-5.4.7/

lua_win:
	cd lua-5.4.7/src && $(MAKE) PLAT=mingw

# These are using https://github.com/HolyBlackCat/quasi-msys2
lua_cross_win:
	cd lua-5.4.7/src && $(MAKE) CC=win-clang PLAT=generic