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|
#
# FreeType build system -- top-level sub-Makefile
#
# Copyright 1996-2016 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 file is designed for GNU Make, do not use it with another Make tool!
#
# It works as follows:
#
# - When invoked for the first time, this Makefile includes the rules found
# in `PROJECT/builds/detect.mk'. They are in charge of detecting the
# current platform.
#
# A summary of the detection is displayed, and the file `config.mk' is
# created in the current directory.
#
# - When invoked later, this Makefile includes the rules found in
# `config.mk'. This sub-Makefile defines some system-specific variables
# (like compiler, compilation flags, object suffix, etc.), then includes
# the rules found in `PROJECT/builds/PROJECT.mk', used to build the
# library.
#
# See the comments in `builds/detect.mk' and `builds/PROJECT.mk' for more
# details on host platform detection and library builds.
# First of all, check whether we have `$(value ...)'. We do this by testing
# for `$(eval ...)' which has been introduced in the same GNU make version.
eval_available :=
$(eval eval_available := T)
ifneq ($(eval_available),T)
$(error FreeType's build system needs a Make program which supports $$(value))
endif
.PHONY: all dist distclean modules setup
# The `space' variable is used to avoid trailing spaces in defining the
# `T' variable later.
#
empty :=
space := $(empty) $(empty)
# The main configuration file, defining the `XXX_MODULES' variables. We
# prefer a `modules.cfg' file in OBJ_DIR over TOP_DIR.
#
ifndef MODULES_CFG
MODULES_CFG := $(TOP_DIR)/modules.cfg
ifneq ($(wildcard $(OBJ_DIR)/modules.cfg),)
MODULES_CFG := $(OBJ_DIR)/modules.cfg
endif
endif
# FTMODULE_H, as its name suggests, indicates where the FreeType module
# class file resides.
#
FTMODULE_H ?= $(OBJ_DIR)/ftmodule.h
include $(MODULES_CFG)
# The list of modules we are using.
#
MODULES := $(FONT_MODULES) \
$(HINTING_MODULES) \
$(RASTER_MODULES) \
$(AUX_MODULES)
CONFIG_MK ?= config.mk
# If no configuration sub-makefile is present, or if `setup' is the target
# to be built, run the auto-detection rules to figure out which
# configuration rules file to use.
#
# Note that the configuration file is put in the current directory, which is
# not necessarily $(TOP_DIR).
# If `config.mk' is not present, set `check_platform'.
#
ifeq ($(wildcard $(CONFIG_MK)),)
check_platform := 1
endif
# If `setup' is one of the targets requested, set `check_platform'.
#
ifneq ($(findstring setup,$(MAKECMDGOALS)),)
check_platform := 1
endif
# Include the automatic host platform detection rules when we need to
# check the platform.
#
ifdef check_platform
all modules: setup
include $(TOP_DIR)/builds/detect.mk
# This rule makes sense for Unix only to remove files created by a run of
# the configure script which hasn't been successful (so that no
# `config.mk' has been created). It uses the built-in $(RM) command of
# GNU make. Similarly, `nul' is created if e.g. `make setup windows' has
# been erroneously used.
#
# Note: This test is duplicated in `builds/unix/detect.mk'.
#
is_unix := $(strip $(wildcard /sbin/init) \
$(wildcard /usr/sbin/init) \
$(wildcard /dev/null) \
$(wildcard /hurd/auth))
ifneq ($(is_unix),)
distclean:
$(RM) builds/unix/config.cache
$(RM) builds/unix/config.log
$(RM) builds/unix/config.status
$(RM) builds/unix/unix-def.mk
$(RM) builds/unix/unix-cc.mk
$(RM) builds/unix/freetype2.pc
$(RM) nul
endif # test is_unix
# IMPORTANT:
#
# `setup' must be defined by the host platform detection rules to create
# the `config.mk' file in the current directory.
else
# A configuration sub-Makefile is present -- simply run it.
#
all: single
BUILD_PROJECT := yes
include $(CONFIG_MK)
endif # test check_platform
# We always need the list of modules in ftmodule.h.
#
all setup: $(FTMODULE_H)
# The `modules' target unconditionally rebuilds the module list.
#
modules:
$(FTMODULE_H_INIT)
$(FTMODULE_H_CREATE)
$(FTMODULE_H_DONE)
include $(TOP_DIR)/builds/modules.mk
# get FreeType version string, using a
# poor man's `sed' emulation with make's built-in string functions
#
work := $(strip $(shell $(CAT) $(TOP_DIR)/include/freetype/freetype.h))
work := $(subst |,x,$(work))
work := $(subst $(space),|,$(work))
work := $(subst \#define|FREETYPE_MAJOR|,$(space),$(work))
work := $(word 2,$(work))
major := $(subst |,$(space),$(work))
major := $(firstword $(major))
work := $(subst \#define|FREETYPE_MINOR|,$(space),$(work))
work := $(word 2,$(work))
minor := $(subst |,$(space),$(work))
minor := $(firstword $(minor))
work := $(subst \#define|FREETYPE_PATCH|,$(space),$(work))
work := $(word 2,$(work))
patch := $(subst |,$(space),$(work))
patch := $(firstword $(patch))
ifneq ($(findstring x0x,x$(patch)x),)
version := $(major).$(minor)
winversion := $(major)$(minor)
else
version := $(major).$(minor).$(patch)
winversion := $(major)$(minor)$(patch)
endif
# This target builds the tarballs.
#
# Not to be run by a normal user -- there are no attempts to make it
# generic.
dist:
-rm -rf tmp
rm -f freetype-$(version).tar.gz
rm -f freetype-$(version).tar.bz2
rm -f ft$(winversion).zip
for d in `find . -wholename '*/.git' -prune \
-o -type f \
-o -print` ; do \
mkdir -p tmp/$$d ; \
done ;
currdir=`pwd` ; \
for f in `find . -wholename '*/.git' -prune \
-o -name .gitignore \
-o -name .mailmap \
-o -type d \
-o -print` ; do \
ln -s $$currdir/$$f tmp/$$f ; \
done
@# Prevent generation of .pyc files. Python follows (soft) links if
@# the link's directory is write protected, so we have temporarily
@# disable write access here too.
chmod -w src/tools/docmaker
cd tmp ; \
$(MAKE) devel ; \
$(MAKE) do-dist
chmod +w src/tools/docmaker
mv tmp freetype-$(version)
tar -H ustar -chf - freetype-$(version) \
| gzip -9 -c > freetype-$(version).tar.gz
tar -H ustar -chf - freetype-$(version) \
| bzip2 -c > freetype-$(version).tar.bz2
@# Use CR/LF for zip files.
zip -lr9 ft$(winversion).zip freetype-$(version)
rm -fr freetype-$(version)
# The locations of the latest `config.guess' and `config.sub' versions (from
# GNU `config' git repository), relative to the `tmp' directory used during
# `make dist'.
#
CONFIG_GUESS = ~/git/config/config.guess
CONFIG_SUB = ~/git/config/config.sub
# Don't say `make do-dist'. Always use `make dist' instead.
#
.PHONY: do-dist
do-dist: distclean refdoc
@# Without removing the files, `autoconf' and friends follow links.
rm -f builds/unix/aclocal.m4
rm -f builds/unix/configure.ac
rm -f builds/unix/configure
sh autogen.sh
rm -rf builds/unix/autom4te.cache
cp $(CONFIG_GUESS) builds/unix
cp $(CONFIG_SUB) builds/unix
# EOF
|
