386 lines
11 KiB
Makefile
386 lines
11 KiB
Makefile
#
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# FreeType 2 library sub-Makefile
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#
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# Copyright (C) 1996-2021 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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# DO NOT INVOKE THIS MAKEFILE DIRECTLY! IT IS MEANT TO BE INCLUDED BY
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# OTHER MAKEFILES.
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# The following variables (set by other Makefile components, in the
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# environment, or on the command line) are used:
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#
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# PLATFORM_DIR The architecture-dependent directory,
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# e.g., `$(TOP_DIR)/builds/unix'. Added to INCLUDES also.
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#
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# OBJ_DIR The directory in which object files are created.
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#
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# LIB_DIR The directory in which the library is created.
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#
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# DOC_DIR The directory in which the API reference is created.
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#
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# INCLUDES A list of directories to be included additionally.
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#
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# DEVEL_DIR Development directory which is added to the INCLUDES
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# variable before the standard include directories.
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#
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# CFLAGS Compilation flags. This overrides the default settings
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# in the platform-specific configuration files.
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#
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# FTSYS_SRC If set, its value is used as the name of a replacement
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# file for `src/base/ftsystem.c'.
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#
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# FTDEBUG_SRC If set, its value is used as the name of a replacement
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# file for `src/base/ftdebug.c'. [For a normal build, this
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# file does nothing.]
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#
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# FTMODULE_H The file which contains the list of module classes for
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# the current build. Usually, this is automatically
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# created by `modules.mk'.
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#
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# BASE_OBJ_S
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# BASE_OBJ_M A list of base objects (for single object and multiple
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# object builds, respectively). Set up in
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# `src/base/rules.mk'.
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#
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# BASE_EXT_OBJ A list of base extension objects. Set up in
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# `src/base/rules.mk'.
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#
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# DRV_OBJ_S
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# DRV_OBJ_M A list of driver objects (for single object and multiple
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# object builds, respectively). Set up cumulatively in
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# `src/<driver>/rules.mk'.
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#
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# CLEAN
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# DISTCLEAN The sub-makefiles can append additional stuff to these two
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# variables which is to be removed for the `clean' resp.
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# `distclean' target.
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#
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# TOP_DIR, SEP,
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# COMPILER_SEP,
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# LIBRARY, CC,
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# A, I, O, T Check `config.mk' for details.
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# The targets `objects' and `library' are defined at the end of this
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# Makefile after all other rules have been included.
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#
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.PHONY: single multi objects library refdoc refdoc-venv
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# default target -- build single objects and library
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#
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single: objects library
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# `multi' target -- build multiple objects and library
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#
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multi: objects library
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# The FreeType source directory, usually `./src'.
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#
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SRC_DIR := $(TOP_DIR)/src
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# The directory where the base layer components are placed, usually
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# `./src/base'.
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#
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BASE_DIR := $(SRC_DIR)/base
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# Other derived directories.
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#
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PUBLIC_DIR := $(TOP_DIR)/include/freetype
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INTERNAL_DIR := $(PUBLIC_DIR)/internal
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SERVICES_DIR := $(INTERNAL_DIR)/services
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CONFIG_DIR := $(PUBLIC_DIR)/config
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# The documentation directory.
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#
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DOC_DIR ?= $(TOP_DIR)/docs
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# The final name of the library file.
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#
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PROJECT_LIBRARY := $(LIB_DIR)/$(LIBRARY).$A
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# include paths
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#
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# IMPORTANT NOTE: The architecture-dependent directory must ALWAYS be placed
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# before the standard include list. Porters are then able to
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# put their own version of some of the FreeType components
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# in the `builds/<system>' directory, as these files will
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# override the default sources.
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#
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INCLUDES := $(subst /,$(COMPILER_SEP),$(OBJ_DIR) \
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$(DEVEL_DIR) \
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$(PLATFORM_DIR) \
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$(TOP_DIR)/include)
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INCLUDE_FLAGS := $(INCLUDES:%=$I%)
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# For a development build, we assume that the external library dependencies
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# defined in `ftoption.h' are fulfilled, so we directly access the necessary
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# include directory information using `pkg-config'.
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#
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ifdef DEVEL_DIR
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INCLUDE_FLAGS += $(shell pkg-config --cflags libpng)
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INCLUDE_FLAGS += $(shell pkg-config --cflags harfbuzz)
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INCLUDE_FLAGS += $(shell pkg-config --cflags libbrotlidec)
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endif
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# C flags used for the compilation of an object file. This must include at
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# least the paths for the `base' and `builds/<system>' directories;
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# debug/optimization/warning flags + ansi compliance if needed.
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#
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# $(INCLUDE_FLAGS) should come before $(CFLAGS) to avoid problems with
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# old FreeType versions.
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#
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# Note what we also define the macro FT2_BUILD_LIBRARY when building
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# FreeType. This is required to let our sources include the internal
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# headers (something forbidden by clients).
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#
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# `CPPFLAGS' might be specified by the user in the environment.
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#
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FT_CFLAGS = $(CPPFLAGS) \
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$(CFLAGS) \
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$DFT2_BUILD_LIBRARY
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FT_COMPILE := $(CC) $(ANSIFLAGS) $(INCLUDE_FLAGS) $(FT_CFLAGS)
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# Include the `exports' rules file.
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#
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include $(TOP_DIR)/builds/exports.mk
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# Initialize the list of objects.
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#
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OBJECTS_LIST :=
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# Define $(PUBLIC_H) as the list of all public header files located in
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# `$(TOP_DIR)/include/freetype'. $(INTERNAL_H), and $(CONFIG_H) are defined
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# similarly. $(FTOPTION_H) is the option file used in the compilation.
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#
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# This is used to simplify the dependency rules -- if one of these files
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# changes, the whole library is recompiled.
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#
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ifneq ($(wildcard $(OBJ_DIR)/ftoption.h),)
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FTOPTION_H := $(OBJ_DIR)/ftoption.h
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else ifneq ($(wildcard $(PLATFORM_DIR)/ftoption.h),)
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FTOPTION_H := $(PLATFORM_DIR)/ftoption.h
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endif
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PUBLIC_H := $(wildcard $(PUBLIC_DIR)/*.h)
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INTERNAL_H := $(wildcard $(INTERNAL_DIR)/*.h) \
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$(wildcard $(SERVICES_DIR)/*.h)
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CONFIG_H := $(wildcard $(CONFIG_DIR)/*.h) \
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$(wildcard $(PLATFORM_DIR)/config/*.h) \
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$(FTMODULE_H) \
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$(FTOPTION_H)
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DEVEL_H := $(wildcard $(TOP_DIR)/devel/*.h)
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FREETYPE_H := $(PUBLIC_H) $(INTERNAL_H) $(CONFIG_H) $(DEVEL_H)
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# ftsystem component
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#
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FTSYS_SRC ?= $(BASE_DIR)/ftsystem.c
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FTSYS_OBJ := $(OBJ_DIR)/ftsystem.$O
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OBJECTS_LIST += $(FTSYS_OBJ)
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$(FTSYS_OBJ): $(FTSYS_SRC) $(FREETYPE_H)
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$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
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# ftdebug component
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#
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FTDEBUG_SRC ?= $(BASE_DIR)/ftdebug.c
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FTDEBUG_OBJ := $(OBJ_DIR)/ftdebug.$O
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OBJECTS_LIST += $(FTDEBUG_OBJ)
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$(FTDEBUG_OBJ): $(FTDEBUG_SRC) $(FREETYPE_H)
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$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
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# Include all rule files from FreeType components.
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#
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include $(SRC_DIR)/base/rules.mk
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include $(patsubst %,$(SRC_DIR)/%/rules.mk,$(MODULES))
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include $(SRC_DIR)/dlg/rules.mk
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# ftinit component
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#
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# The C source `ftinit.c' contains the FreeType initialization routines.
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# It is able to automatically register one or more drivers when the API
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# function FT_Init_FreeType() is called.
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#
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# The set of initial drivers is determined by the driver Makefiles
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# includes above. Each driver Makefile updates the FTINIT_xxx lists
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# which contain additional include paths and macros used to compile the
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# single `ftinit.c' source.
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#
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FTINIT_SRC := $(BASE_DIR)/ftinit.c
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FTINIT_OBJ := $(OBJ_DIR)/ftinit.$O
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OBJECTS_LIST += $(FTINIT_OBJ)
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$(FTINIT_OBJ): $(FTINIT_SRC) $(FREETYPE_H)
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$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)
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# ftver component
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#
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# The VERSIONINFO resource `ftver.rc' contains version and copyright
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# to be compiled by windres and tagged into DLL usually.
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#
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ifneq ($(RC),)
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FTVER_SRC := $(BASE_DIR)/ftver.rc
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FTVER_OBJ := $(OBJ_DIR)/ftver.$O
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OBJECTS_LIST += $(FTVER_OBJ)
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$(FTVER_OBJ): $(FTVER_SRC)
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$(RC) -o $@ $<
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endif
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# All FreeType library objects.
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#
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OBJ_M := $(BASE_OBJ_M) $(BASE_EXT_OBJ) $(DRV_OBJS_M) $(DLG_OBJS_M)
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OBJ_S := $(BASE_OBJ_S) $(BASE_EXT_OBJ) $(DRV_OBJS_S) $(DLG_OBJS_S)
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# The target `multi' on the Make command line indicates that we want to
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# compile each source file independently.
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#
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# Otherwise, each module/driver is compiled in a single object file through
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# source file inclusion (see `src/base/ftbase.c' or
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# `src/truetype/truetype.c' for examples).
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#
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BASE_OBJECTS := $(OBJECTS_LIST)
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ifneq ($(findstring multi,$(MAKECMDGOALS)),)
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OBJECTS_LIST += $(OBJ_M)
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else
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OBJECTS_LIST += $(OBJ_S)
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endif
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objects: $(OBJECTS_LIST)
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library: $(PROJECT_LIBRARY)
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# Run `docwriter' in the current Python environment.
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#
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PYTHON ?= python
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refdoc:
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@echo Running docwriter...
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$(PYTHON) -m docwriter \
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--prefix=ft2 \
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--title=FreeType-$(version) \
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--site=reference \
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--output=$(DOC_DIR) \
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$(PUBLIC_DIR)/*.h \
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$(PUBLIC_DIR)/config/*.h \
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$(PUBLIC_DIR)/cache/*.h
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@echo Building static site...
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cd $(DOC_DIR) && mkdocs build
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@echo Done.
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# Variables for running `refdoc' with Python's `virtualenv'. The
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# environment is created in `DOC_DIR/env' and is gitignored.
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#
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# We still need to cd into `DOC_DIR' to build `mkdocs' because paths in
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# `mkdocs.yml' are relative to the current working directory.
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#
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VENV_NAME := env
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VENV_DIR := $(DOC_DIR)$(SEP)$(VENV_NAME)
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ENV_PYTHON := $(VENV_DIR)$(SEP)$(BIN)$(SEP)$(PYTHON)
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refdoc-venv:
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@echo Setting up virtualenv for Python...
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virtualenv --python=$(PYTHON) $(VENV_DIR)
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@echo Installing docwriter...
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$(ENV_PYTHON) -m pip install docwriter
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@echo Running docwriter...
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$(ENV_PYTHON) -m docwriter \
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--prefix=ft2 \
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--title=FreeType-$(version) \
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--site=reference \
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--output=$(DOC_DIR) \
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$(PUBLIC_DIR)/*.h \
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$(PUBLIC_DIR)/config/*.h \
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$(PUBLIC_DIR)/cache/*.h
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@echo Building static site...
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cd $(DOC_DIR) && $(VENV_NAME)$(SEP)$(BIN)$(SEP)python -m mkdocs build
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@echo Done.
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.PHONY: clean_project_std distclean_project_std
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# Standard cleaning and distclean rules. These are not accepted
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# on all systems though.
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#
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clean_project_std:
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-$(DELETE) $(BASE_OBJECTS) $(OBJ_M) $(OBJ_S) $(CLEAN)
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distclean_project_std: clean_project_std
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-$(DELETE) $(PROJECT_LIBRARY)
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-$(DELETE) *.orig *~ core *.core $(DISTCLEAN)
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.PHONY: clean_project_dos distclean_project_dos
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# The Dos command shell does not support very long list of arguments, so
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# we are stuck with wildcards.
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#
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# Don't break the command lines with \; this prevents the "del" command from
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# working correctly on Win9x.
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#
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clean_project_dos:
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-$(DELETE) $(subst /,$(SEP),$(OBJ_DIR)/*.$O $(CLEAN) $(NO_OUTPUT))
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distclean_project_dos: clean_project_dos
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-$(DELETE) $(subst /,$(SEP),$(PROJECT_LIBRARY) $(DISTCLEAN) $(NO_OUTPUT))
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.PHONY: remove_config_mk remove_ftmodule_h
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# Remove configuration file (used for distclean).
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#
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remove_config_mk:
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-$(DELETE) $(subst /,$(SEP),$(CONFIG_MK) $(NO_OUTPUT))
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# Remove module list (used for distclean).
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#
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remove_ftmodule_h:
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-$(DELETE) $(subst /,$(SEP),$(FTMODULE_H) $(NO_OUTPUT))
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.PHONY: clean distclean
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# The `config.mk' file must define `clean_project' and `distclean_project'.
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# Implementations may use to relay these to either the `std' or `dos'
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# versions from above, or simply provide their own implementation.
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#
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clean: clean_project
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distclean: distclean_project remove_config_mk remove_ftmodule_h
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-$(DELETE) $(subst /,$(SEP),$(DOC_DIR)/*.html $(NO_OUTPUT))
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# EOF
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