Changeset 3250 for trunk/kBuild/units

Timestamp:

Dec 28, 2018, 11:43:52 PM (7 years ago)

Author:

bird

Message:

Working on precompiled headers for GCC.

File:

• trunk/kBuild/units/gccprecomp.kmk (copied) (copied from trunk/kBuild/units/vccprecomp.kmk ) (3 diffs)

trunk/kBuild/units/gccprecomp.kmk

@@ -1 +1 @@
 # $Id$
 ## @file
-# kBuild Unit - Target Level Precompiled Headers for Visual C++.
+# kBuild Unit - Target Level Precompiled Headers for GNU GCC.
 #
 
@@ -33 +33 @@
 
 
-UNIT_vccprecomp = Target level precompiled Headers for Visual C++
+UNIT_gccprecomp = Target level precompiled Headers for Visual C++
 
 #
 # Early target processing pass #1.
 #
-# This set the internal _VCC_PCH_FILE and VCC_COMMON_OBJ_PDB properties,
-# which will be picked up by the VCCxxx tool.
+# 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_vccprecomp_target_pre
- $(target)_1_VCC_PCH_FILE       := $(outbase)-pch.pch
- $(target)_1_VCC_COMMON_OBJ_PDB := $(outbase)-common-obj.pdb
+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
 
@@ -49 +51 @@
 # Early target processing pass #2.
 #
-# This sets up a rule for creating the .pch file after qt5 and similar units
+# 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 VCC tool, is defined together
+# 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_vccprecomp_target_pre_2
+define def_unit_gccprecomp_target_pre_2
  local source := $($(target)_PCH_HDR)
- $(source)_TOOL := $(tool)-PCH
  local suff   := $(suffix $(source))
- local type   := CXX
+ local type   := PCH
  $(kb-src-one 2)
 endef