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108 lines
2.7 KiB
108 lines
2.7 KiB
#****************************************************************************** |
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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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# if the module list $(FT_MODULE_LIST) file is not present, |
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# generate it |
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# |
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modules: make_module_list setup |
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include $(TOP)/config/detect.mk |
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include $(TOP)/config/modules.mk |
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ifeq ($(wildcard $(FT_MODULE_LIST)),) |
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setup: make_module_list |
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endif |
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# "setup" must be defined by the host platform detection rules |
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# to create the 'config.mk' file in the current directory. |
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# |
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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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modules: make_module_list |
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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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