config.mk

# === Luakit Makefile Configuration ==========================================

# Compile/link options.
CC         ?= gcc
CFLAGS     += -std=c11 -D_XOPEN_SOURCE=600 -W -Wall -Wextra -Werror=unused-result
LDFLAGS    +=
CPPFLAGS   +=
PKG_CONFIG ?= pkg-config

# Get current luakit version.
VERSION    ?= $(shell ./build-utils/getversion.sh)
CPPFLAGS   += -DVERSION=\"$(VERSION)\"

# === Default build options ==================================================

DEVELOPMENT_PATHS ?= 0
USE_LUAJIT        ?= 1

# === Paths ==================================================================

PREFIX     ?= /usr/local
MANPREFIX  ?= $(PREFIX)/share/man
DOCDIR     ?= $(PREFIX)/share/luakit/doc
XDGPREFIX  ?= /etc/xdg
PIXMAPDIR  ?= $(PREFIX)/share/pixmaps
APPDIR     ?= $(PREFIX)/share/applications
LIBDIR     ?= $(PREFIX)/lib/luakit

# Should luakit be built to load relative config paths (./lib ./config) ?
# (Useful when running luakit from it's source directory, disable otherwise).
ifneq ($(DEVELOPMENT_PATHS),0)
	CPPFLAGS += -DDEVELOPMENT_PATHS
	CFLAGS += -ggdb
endif

# === Platform specific ======================================================

uname_s := $(shell uname -s)

# Mac OSX
ifeq ($(uname_s),Darwin)
	LINKER_EXPORT_DYNAMIC = 0
endif

# Some systems need the --export-dynamic linker option to load other
# dynamically linked C Lua modules (for example lua-filesystem).
ifneq ($(LINKER_EXPORT_DYNAMIC),0)
	LDFLAGS += -Wl,--export-dynamic
endif

# === Lua package name detection =============================================

LUA_PKG_NAMES += lua-5.1 lua5.1 lua51

# Force linking against Lua's Just-In-Time compiler.
# See http://luajit.org/ for more information.
ifeq ($(USE_LUAJIT),1)
	LUA_PKG_NAME  := luajit
else
# User hasn't specificed, use LuaJIT if we can find it.
ifneq ($(USE_LUAJIT),0)
	LUA_PKG_NAMES := luajit $(LUA_PKG_NAMES)
endif
endif

# Search for Lua package name if not forced by user.
ifeq ($(LUA_PKG_NAME),)
LUA_PKG_NAME = $(shell sh -c '(for name in $(LUA_PKG_NAMES); do \
	       $(PKG_CONFIG) --exists $$name && echo $$name; done) | head -n 1')
endif

# === Lua binary name detection =============================================

LUA_BIN_NAMES += lua-5.1 lua5.1 lua51
ifneq ($(USE_LUAJIT),0)
	LUA_BIN_NAMES := luajit luajit51 $(LUA_BIN_NAMES)
endif

# Search for Lua binary name if not forced by user.
ifeq ($(LUA_BIN_NAME),)
	LUA_BIN_NAME := $(shell sh -c '(for name in $(LUA_BIN_NAMES); do \
	       hash $$name 2>/dev/null && ($$name -v 2>&1 | grep -Eq "^Lua 5\.1|^LuaJIT") && echo $$name; done) | head -n 1')
endif

ifeq ($(LUA_BIN_NAME),)
    $(error Cannot find the Lua binary name. \
    Tried the following: $(LUA_BIN_NAMES). \
    Manually override by setting LUA_BIN_NAME)
endif

# === Required build packages ================================================

# Packages required to build luakit.
PKGS += gtk+-3.0
PKGS += gthread-2.0
PKGS += webkit2gtk-4.0
PKGS += sqlite3
PKGS += $(LUA_PKG_NAME)
PKGS += javascriptcoregtk-4.0

# Check user has correct packages installed (and found by pkg-config).
PKGS_OK := $(shell $(PKG_CONFIG) --print-errors --exists $(PKGS) && echo 1)
ifneq ($(PKGS_OK),1)
    $(error Cannot find required package(s\) to build luakit. Please \
    check you have the above packages installed and try again)
endif

# Add pkg-config options to compile flags.
CFLAGS  += $(shell $(PKG_CONFIG) --cflags $(PKGS))
CFLAGS  += -I./

# Add pkg-config options to linker flags.
LDFLAGS += $(shell $(PKG_CONFIG) --libs $(PKGS))