mirror of https://github.com/freetype/freetype
91 lines
2.4 KiB
Makefile
91 lines
2.4 KiB
Makefile
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#******************************************************************************
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#*
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#* FreeType build system - top-level Makefile
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#*
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#* This file is designed for GNU Make, do not use it with another Make tool.
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#* It works as follows :
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#*
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#* - when invoked for the first time, this Makefile will include
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#* the rules found in `freetype/config/detect.mk'. They are in charge
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#* of detecting the current platform.
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#*
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#* A summary of the detection will be displayed, and the file `config.mk'
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#* will be created in the current directory
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#*
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#*
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#* - when invoked later, this Makefile will include the rules found in
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#* `config.mk'. This sub-Makefile will define some system-specific
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#* variables (like compiler, compilation flags, object suffix, etc..),
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#* then include the rules found in `freetype/config/freetype.mk',
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#* used to build the library.
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#*
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#* See the comments in `config/detect.mk' and `config/freetype.mk' for
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#* more details on host platform detection and library builds..
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#*
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#******************************************************************************
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.PHONY: setup
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#
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# The variable TOP holds the path to the topmost directory in the FreeType
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# engine source hierarchy. If it is not defined, default it to '.'
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#
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ifndef TOP
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TOP := .
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endif
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CONFIG_MK := config.mk
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#############################################################################
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#
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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 configuration
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# 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.
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#
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# if `config.mk' is not present, set "check_platform" and "first_time"
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#
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ifeq ($(wildcard $(CONFIG_MK)),)
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check_platform := 1
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first_time := 1
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endif
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# if `setup' is one of the targets requested, set "check_platform"
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#
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ifneq ($(findstring setup,$(MAKECMDGOALS)),)
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check_platform := 1
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endif
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#########################################################################
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#
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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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#
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ifdef check_platform
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all: setup
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include $(TOP)/config/detect.mk
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# "setup" must be defined by the host platform detection rules
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else
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########################################################################
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#
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# A configuration sub-Makefile is present, simply run it..
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#
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#
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all: build_freetype
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BUILD_FREETYPE := yes
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include $(CONFIG_MK)
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endif #test check_platform
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