#!/usr/bin/make -f
#******************************************************************************#
# Include configuration                                                        #
#******************************************************************************#
-include Makefile.cfg

# Correct target and adapt
 TARGET := $(if $(TARGET),$(TARGET)-)
 FOR_WINDOWS := $(if $(findstring mingw,$(TARGET)),y)

#******************************************************************************#
# Project main information                                                     #
#******************************************************************************#
# Project name.
 NAME := p7utils

# Required packages
 LIBS := libp7 sdl

# Author information.
 AUTHOR_NAME := Thomas \"Cakeisalie5\" Touhey
 AUTHOR_MAIL := thomas@touhey.fr

# Project license.
 LICENSE := GPLv2

# Project version.
 MAJOR := 2
 MINOR := 0
 INDEV := yes

# Project version string.
 VERSION := $(MAJOR).$(MINOR)$(if $(INDEV),-indev)

#******************************************************************************#
# Project directories                                                          #
#******************************************************************************#
# Sources directory
 SRCDIR := ./src

# Objects directory
 OBJDIR := ./obj

# Manpages sources directory
 DOCDIR := ./doc

# Manpages directory
 MANDIR := ./man

#******************************************************************************#
# Binary utilities                                                             #
#******************************************************************************#
# Package configuration
 PKGCONFIG := $(TARGET)pkg-config

# C Compiler
 CC := $(TARGET)gcc
# - Check flags (enable warnings)
 CWARN := -Wall -Wextra
# - More flags (profiling, ...)
#CMOREFLAGS :=
# - All C Compiler flags
 CFLAGS := $(CWARN) -std=gnu11 -fPIC -O2 \
	-D LICENSE="$(LICENSE)" -D VERSION="$(VERSION)" \
	-D AUTHOR="$(AUTHOR_NAME) <$(AUTHOR_MAIL)>" \
	-D DEFAULT_STORAGE="$(DEFAULT_STORAGE)" \
	-D DEFAULT_ZOOM="$(DEFAULT_ZOOM)" \
	$(shell $(PKGCONFIG) --cflags $(LIBS) 2>/dev/null) \
	$(CMOREFLAGS)

# Linker
 LD := $(TARGET)gcc
# - Specific linker flags
 LDFLAGS_Linux := -Wl,-z,relro
# - Linker flags
 LDFLAGS := $(shell $(PKGCONFIG) --libs $(LIBS) 2>/dev/null) \
	$(if $(FOR_WINDOWS),,$(LDFLAGS_Linux))

# Directory maker
 MD := mkdir -p
# File remover
 RM := rm -f
# Installer
 INSTALL := install
# Asciidoc
 A2X := a2x

#******************************************************************************#
# Binaries and sources                                                         #
#******************************************************************************#
# Look for binaries
 BINARIES := $(notdir $(shell find $(SRCDIR) -mindepth 1 -maxdepth 1 \
	-type d | sort))

# Look for their sources
define get-binary-sources
 SRC_$1 := $(basename $(shell find $(SRCDIR)/$1 \
	-maxdepth 1 -mindepth 1 -type f -name "*.c" -printf "%P\n" | sort))
endef
$(foreach bin,$(BINARIES), \
$(eval $(call get-binary-sources,$(bin))))

#******************************************************************************#
# Look for manpages                                                            #
#******************************************************************************#
# Get the manpages sections and contents
 MAN_SECTIONS :=
define check-man
 MAN_SECTIONS += $1
 MAN_$1 += $2
endef
$(foreach doc, $(basename $(shell find $(DOCDIR) \
 -maxdepth 1 -mindepth 1 -printf "%P\n" -type f -or -type l -name "*.*.txt")), \
$(eval $(call check-man,$(patsubst .%,%,$(suffix $(doc))),$(basename $(doc)))))

# Remove duplicate sections.
 MAN_SECTIONS := $(sort $(MAN_SECTIONS))

#******************************************************************************#
# Check for DESTDIR (add as prefix to installation root)                       #
#******************************************************************************#
define add-dest-dir
 $1 = $(DESTDIR)$($1)
endef
$(if $(DESTDIR), $(foreach idir,IBINDIR IMANDIR, \
$(eval $(call add-dest-dir,$(idir)))))