.DEFAULT_GOAL := all

# Copyright (c) 2026 Agrarian Developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or https://www.opensource.org/licenses/mit-license.php.

SHELL := /bin/bash
BASEDIR := $(CURDIR)

BUILD ?= $(shell ./config.guess)
HOST  ?= $(BUILD)

build := $(BUILD)
host  := $(HOST)

PATCHES_PATH  ?= $(BASEDIR)/patches
SOURCES_PATH  ?= $(BASEDIR)/sources
BASE_CACHE    ?= $(BASEDIR)/built
workdir       ?= $(BASEDIR)/work

base_build_dir    ?= $(workdir)/build
base_staging_dir  ?= $(workdir)/staging
base_download_dir ?= $(workdir)/download

HASH_LENGTH ?= 8

# Derive build_os for builder tooling (host_os comes from hosts/$(host).mk)
build_os :=
ifneq (,$(findstring linux,$(build)))
  build_os := linux
else ifneq (,$(findstring darwin,$(build)))
  build_os := darwin
else
  build_os := linux
endif

# Host-triplet file (must exist)
HOST_MK := hosts/$(host).mk
ifeq ($(wildcard $(HOST_MK)),)
$(error Missing $(HOST_MK). Create it under depends/hosts/.)
endif

# Common recipe dependencies for build-id hashing
meta_depends = \
  Makefile \
  funcs.mk \
  builders/default.mk \
  builders/$(build_os).mk \
  hosts/default.mk \
  $(HOST_MK) \
  packages/packages.mk

include $(HOST_MK)
include builders/default.mk
include builders/$(build_os).mk
include packages/packages.mk
include funcs.mk

# --------------------------------------------------------------------
# IMPORTANT:
# Do NOT depend on $($(p)_cached_checksum) here — those vars are created
# later (inside funcs.mk macros), so they'd expand to empty at parse-time.
# Instead depend on the package phony targets (boost, openssl, etc).
# --------------------------------------------------------------------

.PHONY: all
all: install

# Optional convenience targets (only build what you need)
.PHONY: base wallet zmq upnp qt-deps
base: $(packages)
wallet: $(wallet_packages)
zmq: $(zmq_packages)
upnp: $(upnp_packages)
qt-deps: $(qt_packages) $(qt_$(host_os)_packages)

# Download-only: uses stage targets generated by funcs.mk
.PHONY: download
download: $(foreach p,$(all_packages),$($(p)_fetched))

# --------------------------------------------------------------------
# Beginner-friendly: populate depends/$(HOST)/ prefix from built cache
# and generate share/config.site for top-level ./configure.
# --------------------------------------------------------------------

.PHONY: install install-clean reinstall install-prefix
install: install-prefix

install-prefix: $(packages)
	@echo "== Installing depends into: $(host_prefix)"
	@rm -rf "$(host_prefix)"
	@mkdir -p "$(host_prefix)"
	@set -euo pipefail; \
	for f in $(foreach p,$(packages),$($(p)_cached)); do \
	  p="$$(basename "$$(dirname "$$f")")"; \
	  if [[ ! -f "$$f" ]]; then \
	    echo "ERROR: expected current built artifact for $$p: $$f"; \
	    exit 1; \
	  fi; \
	  echo "  - $$p: $$f"; \
	  tar --no-same-owner -xzf "$$f" -C "$(host_prefix)"; \
	done
ifneq ($(native_packages),)
	@echo "== Installing native depends into: $(build_prefix)"
	@rm -rf "$(build_prefix)"
	@mkdir -p "$(build_prefix)"
	@set -euo pipefail; \
	for f in $(foreach p,$(native_packages),$($(p)_cached)); do \
	  p="$$(basename "$$(dirname "$$f")")"; \
	  if [[ ! -f "$$f" ]]; then \
	    echo "ERROR: expected current native built artifact for $$p: $$f"; \
	    exit 1; \
	  fi; \
	  echo "  - $$p: $$f"; \
	  tar --no-same-owner -xzf "$$f" -C "$(build_prefix)"; \
	done
endif
	@echo "== Writing config.site: $(host_prefix)/share/config.site"
	@mkdir -p "$(host_prefix)/share"
	@{ \
	  echo "# Autoconf site defaults for Agrarian depends (generated)"; \
	  echo "depends_prefix='$(host_prefix)'"; \
	  echo "cross_compiling=maybe"; \
	  echo "host_alias='$(HOST)'"; \
	  echo "ac_tool_prefix='$(HOST)-'"; \
	  echo "with_boost='$(host_prefix)'"; \
	  echo "with_qt_incdir='$(host_prefix)/include'"; \
	  echo "with_qt_libdir='$(host_prefix)/lib'"; \
	  echo "with_qt_plugindir='$(host_prefix)/plugins'"; \
	  echo "with_qt_translationdir='$(host_prefix)/translations'"; \
	  echo "with_qt_bindir='$(host_prefix)/bin'"; \
	  echo "CPPFLAGS='-I$(host_prefix)/include'"; \
	  echo "LDFLAGS='-L$(host_prefix)/lib'"; \
	  echo "BOOST_CPPFLAGS='-I$(host_prefix)/include'"; \
	  echo "BOOST_LDFLAGS='-L$(host_prefix)/lib'"; \
	  echo "PATH=\"$(build_prefix)/bin:\$$PATH\""; \
	  echo "PKG_CONFIG='`which pkg-config` --static'"; \
	  echo "PKG_CONFIG_LIBDIR='$(host_prefix)/lib/pkgconfig:$(host_prefix)/share/pkgconfig'"; \
	  echo "PKG_CONFIG_PATH=\"\$$PKG_CONFIG_LIBDIR\""; \
	  echo "export PKG_CONFIG_LIBDIR"; \
	  echo "export PKG_CONFIG_PATH"; \
	  echo "export PKG_CONFIG"; \
	  echo "BDB_CFLAGS='-I$(host_prefix)/include'"; \
	  echo "BDB_LIBS='-L$(host_prefix)/lib -ldb_cxx-4.8 -ldb-4.8'"; \
	} > "$(host_prefix)/share/config.site"
	@# Ensure boost headers are available under include/boost for configure probes.
	@set -euo pipefail; \
	if [[ ! -e "$(host_prefix)/include/boost" ]]; then \
	  boost_inc="$$(ls -d "$(host_prefix)"/include/boost-* 2>/dev/null | sort -V | tail -n 1)"; \
	  if [[ -n "$$boost_inc" && -d "$$boost_inc/boost" ]]; then \
	    ln -sfn "$$(basename "$$boost_inc")/boost" "$(host_prefix)/include/boost"; \
	  fi; \
	fi
	@# If Boost emits versioned/-mt libs, create non-mt and unversioned symlinks.
	@set -euo pipefail; \
	shopt -s nullglob; \
	for f in "$(host_prefix)"/lib/libboost_*-mt*; do \
	  if [[ -f "$$f" || -L "$$f" ]]; then \
	    base="$${f/-mt/}"; \
	    if [[ "$$base" != "$$f" ]]; then \
	      ln -sf "$$(basename "$$f")" "$$base"; \
	    fi; \
	  fi; \
	done
	@set -euo pipefail; \
	shopt -s nullglob; \
	for f in "$(host_prefix)"/lib/libboost_*.a; do \
	  name="$$(basename "$$f")"; \
	  unversioned="$${name%%-gcc*}"; \
	  if [[ "$$unversioned" != "$$name" ]]; then \
	    if [[ ! -e "$(host_prefix)/lib/$$unversioned" ]]; then \
	      ln -sf "$$name" "$(host_prefix)/lib/$$unversioned"; \
	    fi; \
	  fi; \
	done
	@if [[ "$(NO_QT)" = "0" ]] && [[ "$(host_os)" = "linux" ]]; then \
	  for lib in Qt6Core Qt6Gui Qt6Network Qt6Widgets; do \
	    if [[ ! -f "$(host_prefix)/lib/lib$${lib}.a" ]]; then \
	      echo "ERROR: missing Qt library lib$${lib}.a under $(host_prefix)/lib"; \
	      echo "Fix: make -C $(BASEDIR) HOST=$(HOST) USE_WALLET=$(USE_WALLET)"; \
	      exit 1; \
	    fi; \
	  done; \
	  for tool in qmake qt-cmake; do \
	    if [[ ! -x "$(host_prefix)/bin/$${tool}" ]]; then \
	      echo "ERROR: missing Qt tool $${tool} under $(host_prefix)/bin"; \
	      echo "Fix: make -C $(BASEDIR) HOST=$(HOST) USE_WALLET=$(USE_WALLET)"; \
	      exit 1; \
	    fi; \
	  done; \
	fi
	@echo "== Done."

install-clean:
	@rm -rf "$(host_prefix)"

reinstall: install-clean install

# --------------------------------------------------------------------
# Cleaning
#  - clean: removes working dirs only (keeps built cache + sources)
#  - clean-cache: removes built cache too
#  - distclean: removes everything generated by depends
# --------------------------------------------------------------------

.PHONY: clean clean-cache distclean
clean:
	@rm -rf "$(workdir)"

clean-cache: clean
	@rm -rf "$(BASE_CACHE)"

distclean: clean-cache
	@rm -rf "$(SOURCES_PATH)" "$(BASEDIR)/SDKs"