59939244ad
sufficient to modify a single file, `modules.cfg', to control the
inclusion of modules and base extension files.
This change also fixes the creation of ftmodule.h; it now depends on
`modules.cfg' and thus is rebuilt only if necessary.
Finally, a version of `ftoption.h' in OBJ_DIR is preferred over the
default location.
* modules.cfg: New file.
* builds/freetype.mk: Don't include `modules.mk'.
Include all `rules.mk' files as specified in `modules.cfg'.
(FTOPTION_FLAG, FTOPTION_H): New variables.
(FT_CFLAGS): Add macro definition for FT_CONFIG_MODULES_H.
Add FTOPTION_FLAG.
($(FT_INIT_OBJ)): Don't use FT_MODULE_LIST.
(CONFIG_H): Add FTMODULE_H and FTOPTION_H.
(INCLUDES): Add DEVEL_DIR.
(INCLUDE_FLAGS, FTSYS_SRC, FTSYS_OBJ, FTDEBUG_SRC, FTDEBUG_OBJ,
OBJ_M, OBJ_S): Use `:=', not `='.
(remove_ftmodule_h): New phony target to delete `ftmodule.h'.
(distclean): Add remove_ftmodule_h.
* builds/modules.mk: (MODULE_LIST): Removed.
(make_module_list, clean_module_list): Replace targets
with...
(FTMODULE_H_INIT, FTMODULE_H_CREATE, FTMODULE_H_DONE): New
variables. Reason for the change is that it is not possible to have
a phony prerequisite which is run only if the target file must be
rebuilt (phony prerequisites act like subroutines and are *always*
executed). We only want to rebuild `ftmodule.h' if `module.cfg' is
changed.
Update all callers.
($FTMODULE_H)): Rule to create `ftmodule.h', depending on
`modules.cfg'.
* builds/toplevel.mk: Rewrite and simplify module handling.
(MODULES_CFG, FTMODULE_H): New variables.
Include MODULES_CFG.
(MODULES): New variable to include all `module.mk' and `rules.mk'
files. We no longer use make's `wildcard' function for this.
* Makefile (USE_MODULES): Remove. Update all users.
(OBJ_DIR): Define it here.
* src/*/module.mk: Change
make_module_list: foo
foo: ...
to
FTMODULE_H_COMMANDS += FOO
define FOO
...
endef
in all files. `FTMODULE_H_COMMANDS' is used in `FTMODULE_H_CREATE'.
* src/base/rules.mk (BASE_EXT_SRC): Use BASE_EXTENSIONS.
* builds/unix/detect.mk (setup): Always execute `configure' script.
(have_mk): Rename to...
(have_Makefile): This.
Don't use `strip' function.
* builds/unix/unix.mk: Include `install.mk' only if BUILD_PROJECT is
defined.
(have_mk): Don't use `strip' function.
Test for unix-def.mk in OBJ_DIR, not BUILD_DIR (and invert the test
accordingly).
* builds/unix/install.mk (install, uninstall): Handle `ftmodule.h'.
* builds/os2/os2-dev.mk, builds/unix/unix-dev.mk,
builds/win32/w32-bccd.mk, builds/win32/w32-dev.mk: Don't define
BUILD_DIR but DEVEL_DIR for development header files.
* builds/ansi/ansi-def.mk (TOP_DIR, OBJ_DIR),
builds/beos/beos-def.mk (TOP_DIR, OBJ_DIR), builds/unix/unix-def.in
(TOP_DIR, OBJ_DIR): Removed. Defined elsewhere.
* builds/dos/dos-def.mk (OBJ_DIR), builds/os2/os2-def.mk (OBJ_DIR),
builds/win32/win32-def.mk (OBJ_DIR): Removed. Defined elsewhere.
* builds/unix/unixddef.mk: Don't define BUILD_DIR but DEVEL_DIR for
development header files.
Don't define PLATFORM.
* configure: Copy `modules.cfg' to builddir if builddir != srcdir.
Update snippet taken from autoconf's m4sh.m4 to current CVS version.
Be more verbose.
* include/freetype/config/ftmodule.h: Add comments -- this file is
no longer used if FreeType is built with GNU make.
* docs/CHANGES, docs/CUSTOMIZE, docs/INSTALL, docs/INSTALL.ANY,
docs/INSTALL.GNU, docs/INSTALL.UNX: Document new build mechanism.
Other minor updates.
* modules.txt: Removed. Contents included in `modules.cfg'.
* include/freetype/internal/ftmemory.h (FT_QAlloc_Debug,
FT_Free_Debug) [FT_STRICT_ALIASING]: Fix typos.
* src/base/ftdbgmem.c (FT_Alloc_Debug, FT_Realloc_Debug,
FT_QAlloc_Debug, FT_QRealloc_Debug, FT_Free_Debug)
[FT_STRICT_ALIASING]: Implement.
166 lines
4.2 KiB
Makefile
166 lines
4.2 KiB
Makefile
#
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# FreeType build system -- top-level sub-Makefile
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#
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# Copyright 1996-2000, 2001, 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 file is designed for GNU Make, do not use it with another Make tool!
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#
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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 the rules
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# found in `PROJECT/builds/detect.mk'. They are in charge of detecting
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# 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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# - 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.), then
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# include the rules found in `PROJECT/builds/PROJECT.mk', used to build
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# the library.
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#
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# See the comments in `builds/detect.mk' and `builds/PROJECT.mk' for more
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# details on host platform detection and library builds.
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.PHONY: all setup distclean modules
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# The `space' variable is used to avoid trailing spaces in defining the
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# `T' variable later.
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#
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empty :=
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space := $(empty) $(empty)
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# The main configuration file, defining the `XXX_MODULES' variables. We
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# prefer a `modules.cfg' file in OBJ_DIR over TOP_DIR.
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#
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ifndef MODULES_CFG
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MODULES_CFG := $(TOP_DIR)/modules.cfg
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ifneq ($(wildcard $(OBJ_DIR)/modules.cfg),)
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MODULES_CFG := $(OBJ_DIR)/modules.cfg
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endif
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endif
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# FTMODULE_H, as its name suggests, indicates where the FreeType module
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# classes resides.
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#
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ifndef FTMODULE_H
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FTMODULE_H := $(OBJ_DIR)/ftmodule.h
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endif
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include $(MODULES_CFG)
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# The list of modules we are using.
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#
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MODULES := $(FONT_MODULES) \
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$(HINTING_MODULES) \
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$(RASTER_MODULES) \
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$(AUX_MODULES)
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ifndef CONFIG_MK
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CONFIG_MK := config.mk
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endif
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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
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# configuration 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 $(TOP_DIR).
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# If `config.mk' is not present, set `check_platform'.
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#
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ifeq ($(wildcard $(CONFIG_MK)),)
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check_platform := 1
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endif
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# If `setup' is one of the targets requested, set `check_platform'.
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#
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ifneq ($(findstring setup,$(MAKECMDGOALS)),)
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check_platform := 1
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endif
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# 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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ifdef check_platform
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all modules: setup
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include $(TOP_DIR)/builds/detect.mk
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# This rule makes sense for Unix only to remove files created by a run
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# of the configure script which hasn't been successful (so that no
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# `config.mk' has been created). It uses the built-in $(RM) command of
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# GNU make. Similarly, `nul' is created if e.g. `make setup win32' has
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# been erroneously used.
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#
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# Note: This test is duplicated in `builds/unix/detect.mk'.
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#
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is_unix := $(strip $(wildcard /sbin/init) \
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$(wildcard /usr/sbin/init) \
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$(wildcard /hurd/auth))
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ifneq ($(is_unix),)
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distclean:
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$(RM) builds/unix/config.cache
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$(RM) builds/unix/config.log
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$(RM) builds/unix/config.status
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$(RM) builds/unix/unix-def.mk
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$(RM) builds/unix/unix-cc.mk
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$(RM) builds/unix/freetype2.pc
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$(RM) nul
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endif # test is_unix
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# IMPORTANT:
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#
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# `setup' must be defined by the host platform detection rules to create
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# the `config.mk' file in the current directory.
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else
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# A configuration sub-Makefile is present -- simply run it.
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#
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all: single
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BUILD_PROJECT := yes
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include $(CONFIG_MK)
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endif # test check_platform
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# We always need the list of modules in ftmodule.h.
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#
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all setup: $(FTMODULE_H)
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# The `modules' target unconditionally rebuilds the module list.
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#
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modules:
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$(FTMODULE_H_INIT)
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$(FTMODULE_H_CREATE)
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$(FTMODULE_H_DONE)
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include $(TOP_DIR)/builds/modules.mk
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# EOF
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