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Diffstat (limited to 'kBuild/units/gccprecomp.kmk')
| -rw-r--r-- | kBuild/units/gccprecomp.kmk | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/kBuild/units/gccprecomp.kmk b/kBuild/units/gccprecomp.kmk new file mode 100644 index 0000000..bf9a49c --- /dev/null +++ b/kBuild/units/gccprecomp.kmk @@ -0,0 +1,67 @@ +# $Id: gccprecomp.kmk 3415 2020-08-20 23:43:33Z bird $ +## @file +# kBuild Unit - Target Level Precompiled Headers for GNU GCC. +# + +# +# Copyright (c) 2016-2019 knut st. osmundsen <bird-kBuild-spam-xviiv@anduin.net> +# +# This file is part of kBuild. +# +# kBuild is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# kBuild is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with kBuild; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# +# As a special exception you are granted permission to include this file, via +# the kmk include directive, as you wish without this in itself causing the +# resulting makefile, program or whatever to be covered by the GPL license. +# This exception does not however invalidate any other reasons why the makefile, +# program, whatever should not be covered the GPL. +# +# + + +UNIT_gccprecomp = Target level precompiled Headers for Visual C++ + +# +# Early target processing pass #1. +# +# This sets $(target)_1_GCC_PCH_DIR as the include directory for the precompiled +# header, adding it to BLDDIRS to get a mkdir rule for it, and then calculates the +# .gch name and stores that in $(target)_1_GCC_PCH_FILE for compile rule dependencies. +# +define def_unit_gccprecomp_target_pre + $(target)_BLDDIRS += $($(target)_0_OUTDIR)/pch/ + $(target)_1_GCC_PCH_DIR := $($(target)_0_OUTDIR)/pch/ + $(target)_1_GCC_PCH_FILE := $($(target)_0_OUTDIR)/pch/$(notdir $($(target)_PCH_HDR)).gch +endef + +# +# Early target processing pass #2. +# +# This sets up a rule for creating the .gch file after qt5 and similar units +# are done modifying INCS, DEFS and company. The 'tool' variable is defined by +# footer-pass2-compiling-targets.kmk and is really the LD tool, but that'll +# have to do for now. The '-PCH' variant of the GCC/LLVM tool, is defined together +# with $(tool) and allow us to bypass the options and dependencies triggered +# by _1_VCC_PCH_FILE, _1_VCC_COMMON_OBJ_PDB and _PCH_HDR, and also make sure we +# don't get circular dependencies by way of kDepObj and the debug info. +# +define def_unit_gccprecomp_target_pre_2 + local source := $($(target)_PCH_HDR) + local suff := $(suffix $(source)) + local type := PCH + $(kb-src-one 4) +endef + |