318 lines
8.7 KiB
Makefile
318 lines
8.7 KiB
Makefile
#
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# FreeType build system -- top-level sub-Makefile
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#
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# Copyright (C) 1996-2023 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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# This file is designed for GNU Make, do not use it with another Make tool!
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#
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# It works as follows:
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#
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# - When invoked for the first time, this Makefile includes the rules found
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# in `PROJECT/builds/detect.mk'. They are in charge of detecting the
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# current platform.
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#
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# A summary of the detection is displayed, and the file `config.mk' is
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# created in the current directory.
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#
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# - When invoked later, this Makefile includes the rules found in
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# `config.mk'. This sub-Makefile defines some system-specific variables
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# (like compiler, compilation flags, object suffix, etc.), then includes
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# the rules found in `PROJECT/builds/PROJECT.mk', used to build the
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# library.
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#
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# See the comments in `builds/detect.mk' and `builds/PROJECT.mk' for more
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# details on host platform detection and library builds.
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# First of all, check whether we have `$(value ...)'. We do this by testing
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# for `$(eval ...)' which has been introduced in the same GNU make version.
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eval_available :=
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$(eval eval_available := T)
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ifneq ($(eval_available),T)
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$(error FreeType's build system needs a Make program which supports $$(value))
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endif
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.PHONY: all dist distclean modules setup
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# The `space' variable is used to avoid trailing spaces in defining the
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# `T' variable later.
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#
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empty :=
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space := $(empty) $(empty)
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# The main configuration file, defining the `XXX_MODULES' variables. We
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# prefer a `modules.cfg' file in OBJ_DIR over TOP_DIR.
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#
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ifndef MODULES_CFG
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MODULES_CFG := $(TOP_DIR)/modules.cfg
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ifneq ($(wildcard $(OBJ_DIR)/modules.cfg),)
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MODULES_CFG := $(OBJ_DIR)/modules.cfg
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endif
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endif
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# FTMODULE_H, as its name suggests, indicates where the FreeType module
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# class file resides.
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#
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FTMODULE_H ?= $(OBJ_DIR)/ftmodule.h
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include $(MODULES_CFG)
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# The list of modules we are using.
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#
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MODULES := $(FONT_MODULES) \
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$(HINTING_MODULES) \
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$(RASTER_MODULES) \
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$(AUX_MODULES)
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CONFIG_MK ?= config.mk
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# If no configuration sub-makefile is present, or if `setup' is the target
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# to be built, run the auto-detection rules to figure out which
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# configuration rules file to use.
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#
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# Note that the configuration file is put in the current directory, which is
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# not necessarily $(TOP_DIR).
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# If `config.mk' is not present, set `check_platform'.
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#
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ifeq ($(wildcard $(CONFIG_MK)),)
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check_platform := 1
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endif
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# If `setup' is one of the targets requested, set `check_platform'.
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#
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ifneq ($(findstring setup,$(MAKECMDGOALS)),)
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check_platform := 1
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endif
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# Include the automatic host platform detection rules when we need to
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# check the platform.
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#
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ifdef check_platform
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all modules: setup
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include $(TOP_DIR)/builds/detect.mk
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# For builds directly from the git repository we need to copy files
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# from `subprojects/dlg' to `src/dlg' and `include/dlg'.
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#
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ifeq ($(wildcard $(TOP_DIR)/src/dlg/dlg.*),)
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ifeq ($(wildcard $(TOP_DIR)/subprojects/dlg/*),)
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copy_submodule: check_out_submodule
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endif
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setup: copy_submodule
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endif
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# This rule makes sense for Unix only to remove files created by a run of
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# the configure script which hasn't been successful (so that no
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# `config.mk' has been created). It uses the built-in $(RM) command of
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# GNU make. Similarly, `nul' is created if e.g. `make setup windows' has
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# been erroneously used.
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#
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# Note: This test is duplicated in `builds/unix/detect.mk'.
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#
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is_unix := $(strip $(wildcard /sbin/init) \
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$(wildcard /usr/sbin/init) \
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$(wildcard /dev/null) \
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$(wildcard /hurd/auth))
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ifneq ($(is_unix),)
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distclean:
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$(RM) $(TOP_DIR)/builds/unix/config.cache
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$(RM) $(TOP_DIR)/builds/unix/config.log
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$(RM) $(TOP_DIR)/builds/unix/config.status
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$(RM) $(TOP_DIR)/builds/unix/unix-def.mk
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$(RM) $(TOP_DIR)/builds/unix/unix-cc.mk
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$(RM) $(TOP_DIR)/builds/unix/freetype2.pc
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$(RM) nul
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endif # test is_unix
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# IMPORTANT:
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#
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# `setup' must be defined by the host platform detection rules to create
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# the `config.mk' file in the current directory.
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else
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# A configuration sub-Makefile is present -- simply run it.
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#
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all: single
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BUILD_PROJECT := yes
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include $(CONFIG_MK)
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endif # test check_platform
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.PHONY: check_out_submodule copy_submodule
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check_out_submodule:
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$(info Checking out submodule in `subprojects/dlg')
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git --git-dir=$(TOP_DIR) submodule init
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git --git-dir=$(TOP_DIR) submodule update
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copy_submodule:
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$(info Copying files from `subprojects/dlg' to `src/dlg' and `include/dlg')
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ifeq ($(wildcard $(TOP_DIR)/include/dlg),)
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mkdir $(subst /,$(SEP),$(TOP_DIR)/include/dlg)
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endif
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$(COPY) $(subst /,$(SEP),$(TOP_DIR)/subprojects/dlg/include/dlg/output.h $(TOP_DIR)/include/dlg)
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$(COPY) $(subst /,$(SEP),$(TOP_DIR)/subprojects/dlg/include/dlg/dlg.h $(TOP_DIR)/include/dlg)
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$(COPY) $(subst /,$(SEP),$(TOP_DIR)/subprojects/dlg/src/dlg/dlg.c $(TOP_DIR)/src/dlg)
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# We always need the list of modules in ftmodule.h.
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#
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all setup: $(FTMODULE_H)
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# The `modules' target unconditionally rebuilds the module list.
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#
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modules:
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$(FTMODULE_H_INIT)
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$(FTMODULE_H_CREATE)
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$(FTMODULE_H_DONE)
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include $(TOP_DIR)/builds/modules.mk
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# get FreeType version string using built-in string functions
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#
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hash := \#
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work := $(strip $(shell $(CAT) \
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$(subst /,$(SEP),$(TOP_DIR)/include/freetype/freetype.h)))
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work := $(subst $(hash)define$(space)FREETYPE_MAJOR$(space),MAjOR=,$(work))
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work := $(subst $(hash)define$(space)FREETYPE_MINOR$(space),MInOR=,$(work))
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work := $(subst $(hash)define$(space)FREETYPE_PATCH$(space),PAtCH=,$(work))
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major := $(subst MAjOR=,,$(filter MAjOR=%,$(work)))
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minor := $(subst MInOR=,,$(filter MInOR=%,$(work)))
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patch := $(subst PAtCH=,,$(filter PAtCH=%,$(work)))
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work :=
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# ifneq ($(findstring x0x,x$(patch)x),)
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# version := $(major).$(minor)
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# winversion := $(major)$(minor)
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# else
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version := $(major).$(minor).$(patch)
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winversion := $(major)$(minor)$(patch)
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version_tag := VER-$(major)-$(minor)-$(patch)
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# endif
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# This target builds the tarballs.
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#
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# Not to be run by a normal user -- there are no attempts to make it
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# generic.
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dist:
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-rm -rf tmp
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rm -f freetype-$(version).tar.gz
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rm -f freetype-$(version).tar.xz
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rm -f ft$(winversion).zip
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for d in `find . -wholename '*/.git' -prune \
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-o -type f \
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-o -print` ; do \
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mkdir -p tmp/$$d ; \
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done ;
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currdir=`pwd` ; \
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for f in `find . -wholename '*/.git' -prune \
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-o -name .gitattributes \
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-o -name .gitignore \
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-o -name .gitlab-ci.yml \
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-o -name .gitmodules \
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-o -name .mailmap \
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-o -type d \
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-o -print` ; do \
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ln -s $$currdir/$$f tmp/$$f ; \
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done
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cd tmp ; \
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$(MAKE) devel ; \
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$(MAKE) do-dist
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mv tmp freetype-$(version)
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tar -H ustar -chf - freetype-$(version) \
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| gzip -9 -c > freetype-$(version).tar.gz
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tar -H ustar -chf - freetype-$(version) \
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| xz -c > freetype-$(version).tar.xz
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@# Use CR/LF for zip files.
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zip -lr9 ft$(winversion).zip freetype-$(version)
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rm -fr freetype-$(version)
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# The locations of the latest `config.guess' and `config.sub' versions (from
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# GNU `config' git repository), relative to the `tmp' directory used during
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# `make dist'.
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#
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CONFIG_GUESS = ~/git/config/config.guess
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CONFIG_SUB = ~/git/config/config.sub
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# We also use this repository to access the gnulib script that converts git
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# commit messages to a ChangeLog file.
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CHANGELOG_SCRIPT = ~/git/config/gitlog-to-changelog
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# Don't say `make do-dist'. Always use `make dist' instead.
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#
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.PHONY: do-dist
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do-dist: distclean refdoc
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@# Without removing the files, `autoconf' and friends follow links.
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rm -f $(TOP_DIR)/builds/unix/aclocal.m4
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rm -f $(TOP_DIR)/builds/unix/configure.ac
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rm -f $(TOP_DIR)/builds/unix/configure
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sh autogen.sh
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rm -rf $(TOP_DIR)/builds/unix/autom4te.cache
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cp $(CONFIG_GUESS) $(TOP_DIR)/builds/unix
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cp $(CONFIG_SUB) $(TOP_DIR)/builds/unix
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@# Generate `ChangeLog' file with commits since release 2.11.0
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@# (when we stopped creating this file manually).
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$(CHANGELOG_SCRIPT) \
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--format='%B%n' \
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--no-cluster \
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-- VER-2-11-0..$(version_tag) \
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> ChangeLog
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@# Remove intermediate files created by the `refdoc' target.
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rm -rf $(TOP_DIR)/docs/markdown
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rm -f $(TOP_DIR)/docs/mkdocs.yml
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@# Remove more stuff related to git.
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rm -rf $(TOP_DIR)/subprojects/dlg
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# EOF
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