# The MIT License (MIT)

# Copyright (c) 2020 наб <nabijaczleweli@nabijaczleweli.xyz>

# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


CXXVER := $(shell $(CXX) --version)
ifneq "$(findstring clang,$(CXXVER))" ""
	# GCC doesn't have this granularity
	CXXSPECIFIC := -flto=full -pedantic -Wno-gnu-statement-expression -Wno-gnu-include-next -Wno-gnu-conditional-omitted-operand -Wno-c++20-designator
	ifeq "$(AR)" "ar"
		# Need this because -flto=full produces objects FSF ranlib (ar s) can't index
		override AR := llvm-ar
	endif
else
	CXXSPECIFIC := -flto
endif


ifneq "$(ADDITIONAL_INCLUDE_DIR)" ""
	INCCXXAR := -isystem$(ADDITIONAL_INCLUDE_DIR)
else
	INCCXXAR :=
endif

ifneq "$(ADDITIONAL_LINK_DIR)" ""
	LNCXXAR := -L$(ADDITIONAL_LINK_DIR)
else
	LNCXXAR :=
endif

TZPFMS_VERSION := "$(patsubst v%,%,$(shell git describe))"
TZPFMS_DATE := $(shell date -d@$$(git log --no-show-signature -1 --pretty=%at) '+%B %e, %Y')

INCCMAKEAR := CXXFLAGS="$(INCCXXAR)"
LNCMAKEAR := LDFLAGS="$(LNCXXAR)"

AWK ?= awk
SED ?= sed
MANDOC ?= mandoc
SHELLCHECK ?= shellcheck
CXXAR := -g -O3 -std=c++17 -fno-exceptions -Wall -Wextra $(CXXSPECIFIC) -pipe $(INCCXXAR) -fPIC

OUTDIR := out/
BLDDIR := out/build/
OBJDIR := $(BLDDIR)obj/
SRCDIR := src/
MANDIR := man/
INITRDDIR := initrd/