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# file      : common/changelog/makefile
# copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
# license   : GNU GPL v2; see accompanying LICENSE file

include $(dir $(lastword $(MAKEFILE_LIST)))../../build/bootstrap.make

odb_hdr :=       \
model.hxx        \
add-table.hxx    \
drop-table.hxx   \
add-column.hxx   \
drop-column.hxx  \
alter-column.hxx

common.l.cpp-options := $(out_root)/libcommon/common/common.l.cpp-options

default := $(out_base)/
dist    := $(out_base)/.dist
test    := $(out_base)/.test
clean   := $(out_base)/.clean

# Import.
#
$(call import,\
  $(scf_root)/import/odb/stub.make,\
  odb: odb,odb-rules: odb_rules)

# Build.
#
$(default):

genf := $(foreach f,$(odb_hdr:.hxx=-odb),$(addprefix $f,.hxx .ixx .cxx))
gen  := $(addprefix $(out_base)/,$(genf))

$(gen): $(odb) FORCE # Force regeneration even if up to date.
$(gen): odb := $(odb)
$(gen) $(dist): export odb_options += --database $(db_id) \
--generate-schema-only --schema-format sql --changelog-dir $(out_base)
$(gen): cpp_options := -I$(src_base)
$(gen): $(common.l.cpp-options)

ifdef STEP

ifeq ($(STEP),1)
$(gen): cpp_options += -DBVER=1 -DCVER=1 # Initialize.
else ifeq ($(STEP),2)
$(gen): cpp_options += -DBVER=1 -DCVER=2 # Diff.
else ifeq ($(STEP),3)
$(gen): cpp_options += -DBVER=2 -DCVER=3 # Patch (via rewind).
else
$(error unexpected STEP value $(STEP)
endif

$(default): $(gen)
else
$(default): ;@:
endif

# Dist: not supported.
#
$(dist):

# Test.
#
$(test): tests := $(odb_hdr:.hxx=)
$(test): diff = $(call message,,diff -u $(src_base)/$1-$(db_id)-$2.xml \
$(out_base)/$1.xml)$(literal_newline)$(literal_tab)
$(test): | $(out_base)/.
	$(call message,,rm -f $(addprefix $(out_base)/,$(addsuffix .xml,$(tests))))
	$(call message,,$(MAKE) --no-print-directory -C $(out_base) -f $(src_base)/makefile STEP=1)
	$(call message,,$(MAKE) --no-print-directory -C $(out_base) -f $(src_base)/makefile STEP=2)
	$(foreach t,$(tests),$(call diff,$t,diff))
	$(call message,,$(MAKE) --no-print-directory -C $(out_base) -f $(src_base)/makefile STEP=3)
	$(foreach t,$(tests),$(call diff,$t,patch))

# Clean.
#
$(clean): changelogs := $(addprefix $(out_base)/,$(odb_hdr:.hxx=.xml))
$(clean): $(addprefix $(out_base)/,$(odb_hdr:.hxx=-odb.cxx.hxx.clean))
	$(call message,,rm -f $(changelogs))

# Generated .gitignore.
#
ifeq ($(out_base),$(src_base))
$(default) $(test): | $(out_base)/.gitignore

$(out_base)/.gitignore: files := $(genf)
$(clean): $(out_base)/.gitignore.clean

$(call include,$(bld_root)/git/gitignore.make)
endif

# How to.
#
$(call include,$(bld_root)/cxx/standard.make) # cxx_standard
ifdef cxx_standard
$(gen): odb_options += --std $(cxx_standard)
$(call include,$(odb_rules))
endif

# Dependencies.
#
$(call import,$(src_root)/libcommon/makefile)