308 lines
8.4 KiB
Makefile
308 lines
8.4 KiB
Makefile
#
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# FreeType 2 library sub-Makefile
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#
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# Copyright 1996-2000, 2002 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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# BUILD The architecture dependent directory,
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# e.g. `$(TOP_DIR)/builds/unix'.
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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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# INCLUDES A list of directories to be included additionally.
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# Usually empty.
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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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# FT_MODULE_LIST The file which contains the list of modules for the
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# current build. Usually, this is automatically created by
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# `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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# 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
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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 := $(TOP_DIR)$(SEP)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 := $(SRC)$(SEP)base
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# The build header file used to define all public header file names
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# as macro.
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#
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ifndef FT_BUILD_H
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FT_BUILD_H := $(TOP_DIR)$(SEP)include$(SEP)ft2build.h
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FTBUILD_CMD :=
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else
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FTBUILD_CMD = $(D)FT_BUILD_H=$(FT_BUILD_H)
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endif
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# A few short-cuts in order to avoid typing $(SEP) all the time for the
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# directory separator.
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#
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# For example: $(SRC_) equals to `./src/' where `.' is $(TOP_DIR).
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#
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#
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SRC_ := $(SRC)$(SEP)
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BASE_ := $(BASE_DIR)$(SEP)
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OBJ_ := $(OBJ_DIR)$(SEP)
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LIB_ := $(LIB_DIR)$(SEP)
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PUBLIC_ := $(TOP_DIR)$(SEP)include$(SEP)freetype$(SEP)
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INTERNAL_ := $(PUBLIC_)internal$(SEP)
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CONFIG_ := $(PUBLIC_)config$(SEP)
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CACHE_ := $(PUBLIC_)cache$(SEP)
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# The final name of the library file.
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#
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PROJECT_LIBRARY := $(LIB_)$(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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# in front of the 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 `freetype/builds/<system>' directory, as these
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# files will override the default sources.
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#
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INCLUDES := $(OBJ_DIR) $(BUILD) $(TOP_DIR)$(SEP)include
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INCLUDE_FLAGS = $(INCLUDES:%=$I%)
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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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FT_CFLAGS = $(INCLUDE_FLAGS) $(CFLAGS)
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FT_CC = $(CC) $(FT_CFLAGS)
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FT_COMPILE = $(CC) $(ANSIFLAGS) $(FT_CFLAGS)
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# Include the `modules' rules file.
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#
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include $(TOP_DIR)/builds/modules.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'. $(BASE_H), $(CACHE_H), and $(CONFIG_H) are
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# defined similarly.
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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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PUBLIC_H := $(wildcard $(PUBLIC_)*.h)
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BASE_H := $(wildcard $(INTERNAL_)*.h)
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CONFIG_H := $(wildcard $(CONFIG_)*.h) \
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$(wildcard $(BUILD)$(SEP)freetype$(SEP)config$(SEP)*.h)
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CACHE_H := $(wildcard $(CACHE_)*.h)
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FREETYPE_H := $(PUBLIC_H) $(BASE_H) $(CONFIG_H) $(CACHE_H)
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# ftsystem component
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#
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ifndef FTSYS_SRC
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FTSYS_SRC = $(BASE_)ftsystem.c
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endif
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FTSYS_OBJ = $(OBJ_)ftsystem.$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) $T$@ $<
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# ftdebug component
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#
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ifndef FTDEBUG_SRC
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FTDEBUG_SRC = $(BASE_)ftdebug.c
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endif
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FTDEBUG_OBJ = $(OBJ_)ftdebug.$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) $T$@ $<
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# Include all rule files from FreeType components.
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#
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include $(wildcard $(SRC)/*/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_)ftinit.c
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FTINIT_OBJ := $(OBJ_)ftinit.$O
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OBJECTS_LIST += $(FTINIT_OBJ)
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$(FTINIT_OBJ): $(FTINIT_SRC) $(FREETYPE_H) $(FT_MODULE_LIST)
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$(FT_COMPILE) $T$@ $<
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# All FreeType library objects
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#
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# By default, we include the base layer extensions. These could be
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# omitted on builds which do not want them.
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#
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OBJ_M = $(BASE_OBJ_M) $(BASE_EXT_OBJ) $(DRV_OBJS_M)
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OBJ_S = $(BASE_OBJ_S) $(BASE_EXT_OBJ) $(DRV_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: $(PROJECT_LIBRARY)
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.c.$O:
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$(FT_COMPILE) $T$@ $<
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.PHONY: clean_project_std distclean_project_std
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# Standard cleaning and distclean rules. These are not accepted
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# on all systems though.
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#
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clean_project_std:
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-$(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 $(SEP),$(HOSTSEP),$(OBJ_))*.$O $(CLEAN) $(NO_OUTPUT)
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distclean_project_dos: clean_project_dos
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-$(DELETE) $(subst $(SEP),$(HOSTSEP),$(PROJECT_LIBRARY)) $(DISTCLEAN) $(NO_OUTPUT)
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.PHONY: remove_config_mk
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# Remove configuration file (used for distclean).
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#
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remove_config_mk:
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-$(DELETE) $(subst $(SEP),$(HOSTSEP),$(CONFIG_MK)) $(NO_OUTPUT)
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.PHONY: clean distclean
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# The `config.mk' file must define `clean_freetype' and
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# `distclean_freetype'. Implementations may use to relay these to either
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# the `std' or `dos' versions from above, or simply provide their own
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# implementation.
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#
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clean: clean_project
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distclean: distclean_project remove_config_mk
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# EOF
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