155 lines
5.1 KiB
Makefile
155 lines
5.1 KiB
Makefile
#
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# FreeType 2 host platform detection rules
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#
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# Copyright 1996-2000, 2001, 2002, 2003, 2006 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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# 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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CAT := cat
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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 $(PROJECT_TITLE) build system -- automatic system detection
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@type builds\newline
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@echo The following settings are used:
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@type builds\newline
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@echo platform<72><6D><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(PLATFORM)
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@echo compiler<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(CC)
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@echo configuration directory<72><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(subst /,\,$(BUILD_DIR))
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@echo configuration rules<65><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>$(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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