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 #

 # FreeType 2 library sub-Makefile

 #

 # Copyright 1996-2006, 2008, 2013, 2014 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.

 # DO NOT INVOKE THIS MAKEFILE DIRECTLY!  IT IS MEANT TO BE INCLUDED BY

 # OTHER MAKEFILES.

 # The following variables (set by other Makefile components, in the

 # environment, or on the command line) are used:

 #

 #   BUILD_DIR      The architecture dependent directory,

 #                  e.g. `$(TOP_DIR)/builds/unix'.  Added to INCLUDES also.

 #

 #   OBJ_DIR        The directory in which object files are created.

 #

 #   LIB_DIR        The directory in which the library is created.

 #

 #   DOC_DIR        The directory in which the API reference is created.

 #

 #   INCLUDES       A list of directories to be included additionally.

 #

 #   DEVEL_DIR      Development directory which is added to the INCLUDES

 #                  variable before the standard include directories.

 #

 #   CFLAGS         Compilation flags.  This overrides the default settings

 #                  in the platform-specific configuration files.

 #

 #   FTSYS_SRC      If set, its value is used as the name of a replacement

 #                  file for `src/base/ftsystem.c'.

 #

 #   FTDEBUG_SRC    If set, its value is used as the name of a replacement

 #                  file for `src/base/ftdebug.c'.  [For a normal build, this

 #                  file does nothing.]

 #

 #   FTMODULE_H     The file which contains the list of module classes for

 #                  the current build.  Usually, this is automatically

 #                  created by `modules.mk'.

 #

 #   BASE_OBJ_S

 #   BASE_OBJ_M     A list of base objects (for single object and multiple

 #                  object builds, respectively).  Set up in

 #                  `src/base/rules.mk'.

 #

 #   BASE_EXT_OBJ   A list of base extension objects.  Set up in

 #                  `src/base/rules.mk'.

 #

 #   DRV_OBJ_S

 #   DRV_OBJ_M      A list of driver objects (for single object and multiple

 #                  object builds, respectively).  Set up cumulatively in

 #                  `src/<driver>/rules.mk'.

 #

 #   CLEAN

 #   DISTCLEAN      The sub-makefiles can append additional stuff to these two

 #                  variables which is to be removed for the `clean' resp.

 #                  `distclean' target.

 #

 #   TOP_DIR, SEP,

 #   COMPILER_SEP,

 #   LIBRARY, CC,

 #   A, I, O, T     Check `config.mk' for details.

 # The targets `objects' and `library' are defined at the end of this

 # Makefile after all other rules have been included.

 #

 .PHONY: single multi objects library refdoc

 # default target -- build single objects and library

 #

 single: objects library

 # `multi' target -- build multiple objects and library

 #

 multi: objects library

 # The FreeType source directory, usually `./src'.

 #

 SRC_DIR := $(TOP_DIR)/src

 # The directory where the base layer components are placed, usually

 # `./src/base'.

 #

 BASE_DIR := $(SRC_DIR)/base

 # Other derived directories.

 #

 PUBLIC_DIR   := $(TOP_DIR)/include

 INTERNAL_DIR := $(PUBLIC_DIR)/internal

 SERVICES_DIR := $(INTERNAL_DIR)/services

 CONFIG_DIR   := $(PUBLIC_DIR)/config

 # The documentation directory.

 #

 DOC_DIR ?= $(TOP_DIR)/docs/reference

 # The final name of the library file.

 #

 PROJECT_LIBRARY := $(LIB_DIR)/$(LIBRARY).$A

 # include paths

 #

 # IMPORTANT NOTE: The architecture-dependent directory must ALWAYS be placed

 #                 before the standard include list.  Porters are then able to

 #                 put their own version of some of the FreeType components

 #                 in the `builds/<system>' directory, as these files will

 #                 override the default sources.

 #

 INCLUDES := $(subst /,$(COMPILER_SEP),$(OBJ_DIR) \

                                       $(DEVEL_DIR) \

                                       $(BUILD_DIR) \

                                       $(TOP_DIR)/include)

 INCLUDE_FLAGS := $(INCLUDES:%=$I%)

 ifdef DEVEL_DIR

   # We assume that all library dependencies for FreeType are fulfilled for a

   # development build, so we directly access the necessary include directory

   # information using `pkg-config'.

   INCLUDE_FLAGS += $(shell pkg-config --cflags libpng \

                                                harfbuzz )

 endif

 # C flags used for the compilation of an object file.  This must include at

 # least the paths for the `base' and `builds/<system>' directories;

 # debug/optimization/warning flags + ansi compliance if needed.

 #

 # $(INCLUDE_FLAGS) should come before $(CFLAGS) to avoid problems with

 # old FreeType versions.

 #

 # Note what we also define the macro FT2_BUILD_LIBRARY when building

 # FreeType.  This is required to let our sources include the internal

 # headers (something forbidden by clients).

 #

 # Finally, we define FT_CONFIG_MODULES_H so that the compiler uses the

 # generated version of `ftmodule.h' in $(OBJ_DIR).  If there is an

 # `ftoption.h' files in $(OBJ_DIR), define FT_CONFIG_OPTIONS_H too.

 #

 ifneq ($(wildcard $(OBJ_DIR)/ftoption.h),)

   FTOPTION_H    := $(OBJ_DIR)/ftoption.h

   FTOPTION_FLAG := $DFT_CONFIG_OPTIONS_H="<ftoption.h>"

 endif

 # Note that a build with the `configure' script uses $(CFLAGS) only.

 #

 FT_CFLAGS  = $(CPPFLAGS) \

              $(INCLUDE_FLAGS) \

              $(CFLAGS) \

              $DFT2_BUILD_LIBRARY \

              $DFT_CONFIG_MODULES_H="<ftmodule.h>" \

              $(FTOPTION_FLAG)

 FT_COMPILE = $(CC) $(ANSIFLAGS) $(FT_CFLAGS)

 # Include the `exports' rules file.

 #

 include $(TOP_DIR)/builds/exports.mk

 # Initialize the list of objects.

 #

 OBJECTS_LIST :=

 # Define $(PUBLIC_H) as the list of all public header files located in

 # `$(TOP_DIR)/include/freetype'.  $(INTERNAL_H), and $(CONFIG_H) are defined

 # similarly.

 #

 # This is used to simplify the dependency rules -- if one of these files

 # changes, the whole library is recompiled.

 #

 PUBLIC_H   := $(wildcard $(PUBLIC_DIR)/*.h)

 INTERNAL_H := $(wildcard $(INTERNAL_DIR)/*.h) \

               $(wildcard $(SERVICES_DIR)/*.h)

 CONFIG_H   := $(wildcard $(CONFIG_DIR)/*.h) \

               $(wildcard $(BUILD_DIR)/config/*.h) \

               $(FTMODULE_H) \

               $(FTOPTION_H)

 DEVEL_H    := $(wildcard $(TOP_DIR)/devel/*.h)

 FREETYPE_H := $(PUBLIC_H) $(INTERNAL_H) $(CONFIG_H) $(DEVEL_H)

 # ftsystem component

 #

 FTSYS_SRC ?= $(BASE_DIR)/ftsystem.c

 FTSYS_OBJ := $(OBJ_DIR)/ftsystem.$O

 OBJECTS_LIST += $(FTSYS_OBJ)

 $(FTSYS_OBJ): $(FTSYS_SRC) $(FREETYPE_H)

 	$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)

 # ftdebug component

 #

 FTDEBUG_SRC ?= $(BASE_DIR)/ftdebug.c

 FTDEBUG_OBJ := $(OBJ_DIR)/ftdebug.$O

 OBJECTS_LIST += $(FTDEBUG_OBJ)

 $(FTDEBUG_OBJ): $(FTDEBUG_SRC) $(FREETYPE_H)

 	$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)

 # Include all rule files from FreeType components.

 #

 include $(SRC_DIR)/base/rules.mk

 include $(patsubst %,$(SRC_DIR)/%/rules.mk,$(MODULES))

 # ftinit component

 #

 #   The C source `ftinit.c' contains the FreeType initialization routines.

 #   It is able to automatically register one or more drivers when the API

 #   function FT_Init_FreeType() is called.

 #

 #   The set of initial drivers is determined by the driver Makefiles

 #   includes above.  Each driver Makefile updates the FTINIT_xxx lists

 #   which contain additional include paths and macros used to compile the

 #   single `ftinit.c' source.

 #

 FTINIT_SRC := $(BASE_DIR)/ftinit.c

 FTINIT_OBJ := $(OBJ_DIR)/ftinit.$O

 OBJECTS_LIST += $(FTINIT_OBJ)

 $(FTINIT_OBJ): $(FTINIT_SRC) $(FREETYPE_H)

 	$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)

 # All FreeType library objects.

 #

 OBJ_M := $(BASE_OBJ_M) $(BASE_EXT_OBJ) $(DRV_OBJS_M)

 OBJ_S := $(BASE_OBJ_S) $(BASE_EXT_OBJ) $(DRV_OBJS_S)

 # The target `multi' on the Make command line indicates that we want to

 # compile each source file independently.

 #

 # Otherwise, each module/driver is compiled in a single object file through

 # source file inclusion (see `src/base/ftbase.c' or

 # `src/truetype/truetype.c' for examples).

 #

 BASE_OBJECTS := $(OBJECTS_LIST)

 ifneq ($(findstring multi,$(MAKECMDGOALS)),)

   OBJECTS_LIST += $(OBJ_M)

 else

   OBJECTS_LIST += $(OBJ_S)

 endif

 objects: $(OBJECTS_LIST)

 library: $(PROJECT_LIBRARY)

 .c.$O:

 	$(FT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<)

 ifneq ($(findstring refdoc,$(MAKECMDGOALS)),)

   # poor man's `sed' emulation with make's built-in string functions

   work := $(strip $(shell $(CAT) $(PUBLIC_DIR)/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))

   version := $(major).$(minor).$(patch)

 endif

 # We write-protect the docmaker directory to suppress generation

 # of .pyc files.

 #

 refdoc:

 	-chmod -w $(SRC_DIR)/tools/docmaker

 	python $(SRC_DIR)/tools/docmaker/docmaker.py \

                --prefix=ft2                          \

                --title=FreeType-$(version)           \

                --output=$(DOC_DIR)                   \

                $(PUBLIC_DIR)/*.h                     \

                $(PUBLIC_DIR)/config/*.h              \

                $(PUBLIC_DIR)/cache/*.h

 	-chmod +w $(SRC_DIR)/tools/docmaker

 .PHONY: clean_project_std distclean_project_std

 # Standard cleaning and distclean rules.  These are not accepted

 # on all systems though.

 #

 clean_project_std:

 	-$(DELETE) $(BASE_OBJECTS) $(OBJ_M) $(OBJ_S) $(CLEAN)

 distclean_project_std: clean_project_std

 	-$(DELETE) $(PROJECT_LIBRARY)

 	-$(DELETE) *.orig *~ core *.core $(DISTCLEAN)

 .PHONY: clean_project_dos distclean_project_dos

 # The Dos command shell does not support very long list of arguments, so

 # we are stuck with wildcards.

 #

 # Don't break the command lines with \; this prevents the "del" command from

 # working correctly on Win9x.

 #

 clean_project_dos:

 	-$(DELETE) $(subst /,$(SEP),$(OBJ_DIR)/*.$O $(CLEAN) $(NO_OUTPUT))

 distclean_project_dos: clean_project_dos

 	-$(DELETE) $(subst /,$(SEP),$(PROJECT_LIBRARY) $(DISTCLEAN) $(NO_OUTPUT))

 .PHONY: remove_config_mk remove_ftmodule_h

 # Remove configuration file (used for distclean).

 #

 remove_config_mk:

 	-$(DELETE) $(subst /,$(SEP),$(CONFIG_MK) $(NO_OUTPUT))

 # Remove module list (used for distclean).

 #

 remove_ftmodule_h:

 	-$(DELETE) $(subst /,$(SEP),$(FTMODULE_H) $(NO_OUTPUT))

 .PHONY: clean distclean

 # The `config.mk' file must define `clean_freetype' and

 # `distclean_freetype'.  Implementations may use to relay these to either

 # the `std' or `dos' versions from above, or simply provide their own

 # implementation.

 #

 clean: clean_project

 distclean: distclean_project remove_config_mk remove_ftmodule_h

 	-$(DELETE) $(subst /,$(SEP),$(DOC_DIR)/*.html $(NO_OUTPUT))

 # EOF