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#
# FreeType 2 host platform detection rules
#
# Copyright 1996-2000 by
# David Turner, Robert Wilhelm, and Werner Lemberg.
#
# This file is part of the FreeType project, and may only be used modified
# and distributed under the terms of the FreeType project license,
# LICENSE.TXT. By continuing to use, modify, or distribute this file you
# indicate that you have read the license and understand and accept it
# fully.
# This sub-Makefile is in charge of detecting the current platform. It sets
# the following variables:
#
# BUILD The configuration and system-specific directory. Usually
# `freetype/config/$(PLATFORM)' but can be different if a
# specific compiler has been requested on the command line.
#
# The following variables must be defined in system specific `detect.mk'
# files:
#
# PLATFORM The detected platform. This will default to `ansi' if
# auto-detection fails.
# CONFIG_FILE The Makefile to use. This usually depends on the compiler
# defined in the `CC' environment variable.
# DELETE The shell command used to remove a given file.
# COPY The shell command used to copy one file.
# SEP The platform-specific directory separator.
# CC The compiler to use.
#
# You need to set the following variable(s) before calling it:
#
# TOP The top-most directory in the FreeType library source
# hierarchy. If not defined, it will default to `.'.
# If TOP is not defined, default it to `.'
#
ifndef TOP
TOP := .
endif
# Set auto-detection default to `ansi'.
# Note that we delay the evaluation of $(CONFIG_), $(BUILD), and
# $(CONFIG_RULES).
#
PLATFORM := ansi
DELETE := $(RM)
COPY := cp
SEP := /
CONFIG_ = $(TOP)$(SEP)config$(SEP)
BUILD = $(CONFIG_)$(PLATFORM)
CONFIG_RULES = $(BUILD)$(SEP)$(CONFIG_FILE)
# We define the BACKSLASH variable to hold a single back-slash character.
# This is needed because a line like
#
# SEP := \
#
# does not work with GNU Make (the backslash is interpreted as a line
# continuation). While a line like
#
# SEP := \\
#
# really defines $(SEP) as `\' on Unix, and `\\' on Dos and Windows!
#
BACKSLASH := $(strip \ )
# Now, include all detection rule files found in the `config/<system>'
# directories. Note that the calling order of the various `detect.mk' files
# isn't predictable.
#
include $(wildcard $(CONFIG_)*/detect.mk)
# In case no detection rule file was successful, use the default.
#
ifndef CONFIG_FILE
CONFIG_FILE := ansi.mk
setup: std_setup
endif
# The following targets are equivalent, with the exception that they use
# slightly different syntaxes for the `echo' command.
#
# std_setup: defined for most platforms
# dos_setup: defined for Dos-ish platforms like Dos, Windows & OS/2
#
.PHONY: std_setup dos_setup
std_setup:
@echo ""
@echo "FreeType build system -- automatic system detection"
@echo ""
@echo "The following settings are used:"
@echo ""
@echo " platform $(PLATFORM)"
@echo " compiler $(CC)"
@echo " configuration directory $(BUILD)"
@echo " configuration rules $(CONFIG_RULES)"
@echo ""
@echo "If this does not correspond to your system or settings please remove the file"
@echo "\`$(CONFIG_MK)' from this directory then read the INSTALL file for help."
@echo ""
@echo "Otherwise, simply type \`make' again to build the library."
@echo ""
@$(COPY) $(CONFIG_RULES) $(CONFIG_MK)
dos_setup:
@echo ˙
@echo FreeType build system -- automatic system detection
@echo ˙
@echo The following settings are used:
@echo ˙
@echo ˙˙platform˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙$(PLATFORM)
@echo ˙˙compiler˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙˙$(CC)
@echo ˙˙configuration directory˙˙˙˙˙˙$(BUILD)
@echo ˙˙configuration rules˙˙˙˙˙˙˙˙˙˙$(CONFIG_RULES)
@echo ˙
@echo If this does not correspond to your system or settings please remove the file
@echo '$(CONFIG_MK)' from this directory then read the INSTALL file for help.
@echo ˙
@echo Otherwise, simply type 'make' again to build the library.
@echo ˙
@$(COPY) $(subst /,\,$(CONFIG_RULES) $(CONFIG_MK)) > nul
# EOF
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