config.mk

# Select the compiler to be used. See compiler.mk for supported compilers.
# Even if your compiler is not officially supported, it might still work; C++14
# support is required, however.
CXX=		g++

# Select the optimization level. Because of how the program is structured, it
# benefits very much from automatically inlined functions, and even more so if
# the compiler is able to do link-time optimization. On the other hand, most
# interactive fiction does not need a fast interpreter. For good results from
# g++ and clang++, the following is recommended:
# -O3 -flto
OPT=		-O2

# Select the target platform. Valid values are:
# • unix (for POSIX systems)
# • win32 (for Win32 systems)
# • dos (for DOS systems)
#
# Any other value (or none at all) will result in the use of standard C++14
# functions only.
#
PLATFORM=	unix

# Set the target directories for the install of the binary and the man page.
PREFIX=		/usr/local
BINDIR=		$(PREFIX)/bin
MANDIR=		$(PREFIX)/man/man6

# If defined, this variable controls which Glk implementation will be used. The
# Glk library must exist in a directory of the same name (so if Glk is set to
# glktermw, the Glk implementation will be found in glktermw/).
# If this value is empty or not defined, I/O will be done solely in terms of
# C++’s standard library.
#
GLK=		gargoyle

# Glk is almost platform neutral, but does require a small amount of
# platform-specific startup code. Most implementations provide a so-called Unix
# startup (even on non-Unix platforms), but Windows Glk provides its own. Bocfel
# will assume a Unix startup unless $GLK is set to winglk, in which case it
# assumes a Windows startup. This can be overridden here if necessary. For Unix,
# this must be “unix”. For Windows, it must be “windows”.
GLKSTARTUP=

# The Glk specification recommends calling glk_tick() every instruction, because
# there may be some platforms that need to do some processing every now and
# again. However, glk_tick() in the following implementations does not actually
# do anything:
# cheapglk 1.0.0, glkterm(w) 1.0.0, GlkDOS 0.19.1, XGlk 0.4.11, Gargoyle 2010.1
# On the other hand, the following does do something:
# WindowsGlk 1.2.1
# By default, for performance reasons, glk_tick() is not called. If the
# following variable is defined (with any value), glk_tick() will be called.
#
# GLK_TICK=		1

# While it’s not required, most Glk libraries include support for Blorb
# files as described by the Glk spec. Bocfel assumes that if Glk is
# being used, the Blorb functions are available. If they’re not, this
# setting will instruct Bocfel to not make use of them.
#
# GLK_NO_BLORB=		1

# On Unix platforms, when not building against Glk, Curses can be used
# in order to get styles and colors at the terminal. If the following
# variable is defined (with any value), Curses support will be disabled.
#
# NO_CURSES=		1

# By default, many safety checks are performed, such as verifying that a story
# is not overflowing its stack, performing invalid memory accesses, and so on.
# If this variable is defined (with any value), these checks are not performed.
# This speeds up the interpreter, but misbehaving story files could cause
# unpredictable results, including crashing.
#
# NO_SAFETY_CHECKS=	1

# Rudimentary cheating support is available. This allows certain parts of
# memory to be “frozen”, meaning no matter what the game does, they will always
# contain specific values. The intended use for this is to freeze hunger and
# thirst daemons: assuming that the daemons work by using a increasing or
# decreasing value to indicate hunger or lack thereof, freezing this counter can
# forever report that the user is sated. It is possible to build without
# support for cheating, which might be useful because cheating slows down memory
# access. If the following variable is defined (with any value), cheating will
# be disabled.
# NO_CHEAT=		1

# Debugging watchpoints are available, which means that values in the Z-machine
# can be watched for change, and reported on when such changes occur. This
# slows down memory access, so can be disabled. If the following variable is
# defined (with any value), watchpoints will be disabled.
# NO_WATCHPOINTS=	1

# The Z-machine requires user input to be converted to lowercase. By default
# Bocfel uses a Unicode translation function adapted from Kevin Bracey’s
# Zip2000. This covers Latin, Greek, and Cyrillic. Bocfel can also use the ICU
# project’s Unicode library, which provides a wider range of Unicode support.
# This is probably not useful, but if a game is ever written in Armenian (for
# example), it might come in handy. The ICU libraries and headers must be
# present.
# ICU=			1