| 1 | # $Id: vccprecomp.kmk 3383 2020-06-16 15:56:15Z bird $
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| 2 | ## @file
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| 3 | # kBuild Unit - Target Level Precompiled Headers for Visual C++.
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| 4 | #
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| 5 |
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| 6 | #
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| 7 | # Copyright (c) 2016-2019 knut st. osmundsen <[email protected]>
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| 8 | #
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| 9 | # This file is part of kBuild.
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| 10 | #
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| 11 | # kBuild is free software; you can redistribute it and/or modify
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| 12 | # it under the terms of the GNU General Public License as published by
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| 13 | # the Free Software Foundation; either version 2 of the License, or
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| 14 | # (at your option) any later version.
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| 15 | #
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| 16 | # kBuild is distributed in the hope that it will be useful,
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| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | # GNU General Public License for more details.
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| 20 | #
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| 21 | # You should have received a copy of the GNU General Public License
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| 22 | # along with kBuild; if not, write to the Free Software
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| 23 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | #
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| 25 | #
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| 26 | # As a special exception you are granted permission to include this file, via
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| 27 | # the kmk include directive, as you wish without this in itself causing the
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| 28 | # resulting makefile, program or whatever to be covered by the GPL license.
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| 29 | # This exception does not however invalidate any other reasons why the makefile,
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| 30 | # program, whatever should not be covered the GPL.
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| 31 | #
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| 32 | #
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| 33 |
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| 34 |
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| 35 | UNIT_vccprecomp = Target level precompiled Headers for Visual C++
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| 36 |
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| 37 | #
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| 38 | # Early target processing pass #1.
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| 39 | #
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| 40 | # This set the internal _VCC_PCH_FILE and VCC_COMMON_OBJ_PDB properties,
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| 41 | # which will be picked up by the VCCxxx tool.
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| 42 | #
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| 43 | define def_unit_vccprecomp_target_pre
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| 44 | $(target)_1_VCC_PCH_FILE := $(outbase)-pch.pch
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| 45 | $(target)_1_VCC_COMMON_OBJ_PDB := $(outbase)-common-obj.pdb
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| 46 | endef
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| 47 |
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| 48 | #
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| 49 | # Early target processing pass #2.
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| 50 | #
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| 51 | # This sets up a rule for creating the .pch file after qt5 and similar units
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| 52 | # are done modifying INCS, DEFS and company. The '-PCH' variant of the VCC
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| 53 | # tool, is defined together with $(pchtool) and allow us to bypass the options
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| 54 | # and dependencies triggered by _1_VCC_PCH_FILE, _1_VCC_COMMON_OBJ_PDB and
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| 55 | # _PCH_HDR, and also make sure we don't get circular dependencies by way of
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| 56 | # kDepObj and the debug info.
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| 57 | #
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| 58 | define def_unit_vccprecomp_target_pre_2
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| 59 | local pchtool := $(call _TARGET_TOOL,$(target),PCH)
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| 60 | local source := $($(target)_PCH_HDR)
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| 61 | $(source)_TOOL := $(pchtool)-PCH
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| 62 | local suff := $(suffix $(source))
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| 63 | local type := CXX
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| 64 | $(kb-src-one 3)
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| 65 | endef
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| 66 |
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