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# |
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# FreeType 2 host platform detection rules |
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# |
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# Copyright 1996-2000, 2001, 2002, 2003 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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# This sub-Makefile is in charge of detecting the current platform. It sets |
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# the following variables: |
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# |
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# BUILD_DIR The configuration and system-specific directory. Usually |
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# `freetype/builds/$(PLATFORM)' but can be different for |
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# custom builds of the library. |
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# |
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# The following variables must be defined in system specific `detect.mk' |
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# files: |
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# |
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# PLATFORM The detected platform. This will default to `ansi' if |
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# auto-detection fails. |
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# CONFIG_FILE The configuration sub-makefile to use. This usually depends |
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# on the compiler defined in the `CC' environment variable. |
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# DELETE The shell command used to remove a given file. |
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# COPY The shell command used to copy one file. |
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# SEP The platform-specific directory separator. |
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# COMPILER_SEP The separator used in arguments of the compilation tools. |
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# CC The compiler to use. |
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# |
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# You need to set the following variable(s) before calling it: |
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# |
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# TOP_DIR The top-most directory in the FreeType library source |
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# hierarchy. If not defined, it will default to `.'. |
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# If TOP_DIR is not defined, default it to `.' |
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# |
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ifndef TOP_DIR |
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TOP_DIR := . |
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endif |
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# Set auto-detection default to `ansi' resp. UNIX-like operating systems. |
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# |
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PLATFORM := ansi |
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DELETE := $(RM) |
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COPY := cp |
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SEP := / |
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BUILD_CONFIG := $(TOP_DIR)/builds |
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# These two assignments must be delayed. |
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BUILD_DIR = $(BUILD_CONFIG)/$(PLATFORM) |
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CONFIG_RULES = $(BUILD_DIR)/$(CONFIG_FILE) |
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# We define the BACKSLASH variable to hold a single back-slash character. |
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# This is needed because a line like |
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# |
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# SEP := \ |
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# |
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# does not work with GNU Make (the backslash is interpreted as a line |
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# continuation). While a line like |
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# |
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# SEP := \\ |
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# |
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# really defines $(SEP) as `\' on Unix, and `\\' on Dos and Windows! |
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# |
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BACKSLASH := $(strip \ ) |
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# Find all auto-detectable platforms. |
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# |
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PLATFORMS := $(notdir $(subst /detect.mk,,$(wildcard $(BUILD_CONFIG)/*/detect.mk))) |
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.PHONY: $(PLATFORMS) ansi |
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# Filter out platform specified as setup target. |
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# |
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PLATFORM := $(firstword $(filter $(MAKECMDGOALS),$(PLATFORMS))) |
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# If no setup target platform was specified, enable auto-detection/ |
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# default platform. |
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# |
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ifeq ($(PLATFORM),) |
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PLATFORM := ansi |
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endif |
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# If the user has explicitly asked for `ansi' on the command line, |
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# disable auto-detection. |
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# |
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ifeq ($(findstring ansi,$(MAKECMDGOALS)),) |
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# Now, include all detection rule files found in the `builds/<system>' |
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# directories. Note that the calling order of the various `detect.mk' |
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# files isn't predictable. |
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# |
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include $(wildcard $(BUILD_CONFIG)/*/detect.mk) |
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endif |
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# In case no detection rule file was successful, use the default. |
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# |
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ifndef CONFIG_FILE |
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CONFIG_FILE := ansi.mk |
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setup: std_setup |
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.PHONY: setup |
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endif |
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# The following targets are equivalent, with the exception that they use |
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# a slightly different syntax for the `echo' command. |
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# |
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# std_setup: defined for most (i.e. Unix-like) platforms |
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# dos_setup: defined for Dos-ish platforms like Dos, Windows & OS/2 |
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# |
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.PHONY: std_setup dos_setup |
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std_setup: |
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@echo "" |
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@echo "$(PROJECT_TITLE) build system -- automatic system detection" |
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@echo "" |
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@echo "The following settings are used:" |
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@echo "" |
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@echo " platform $(PLATFORM)" |
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@echo " compiler $(CC)" |
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@echo " configuration directory $(BUILD_DIR)" |
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@echo " configuration rules $(CONFIG_RULES)" |
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@echo "" |
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@echo "If this does not correspond to your system or settings please remove the file" |
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@echo "\`$(CONFIG_MK)' from this directory then read the INSTALL file for help." |
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@echo "" |
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@echo "Otherwise, simply type \`$(MAKE)' again to build the library," |
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@echo "or \`$(MAKE) refdoc' to build the API reference (the latter needs python)." |
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@echo "" |
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@$(COPY) $(CONFIG_RULES) $(CONFIG_MK) |
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# Special case for Dos, Windows, OS/2, where echo "" doesn't work correctly! |
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# |
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dos_setup: |
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@type builds\newline |
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@echo $(PROJECT_TITLE) build system -- automatic system detection |
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@type builds\newline |
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@echo The following settings are used: |
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@type builds\newline |
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@echo platform<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(PLATFORM) |
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@echo compiler<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(CC) |
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@echo configuration directory<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(subst /,\,$(BUILD_DIR)) |
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@echo configuration rules<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(subst /,\,$(CONFIG_RULES)) |
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@type builds\newline |
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@echo If this does not correspond to your system or settings please remove the file |
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@echo '$(CONFIG_MK)' from this directory then read the INSTALL file for help. |
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@type builds\newline |
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@echo Otherwise, simply type 'make' again to build the library. |
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@echo or 'make refdoc' to build the API reference (the latter needs python). |
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@type builds\newline |
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@$(COPY) $(subst /,\,$(CONFIG_RULES) $(CONFIG_MK)) > nul |
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# EOF
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