#  -*- Mode: makefile; indent-tabs-mode: t -*-
#
#  This file is part of systemd.
#
#  Copyright 2010-2012 Lennart Poettering
#  Copyright 2010-2012 Kay Sievers
#  Copyright 2013 Zbigniew Jędrzejewski-Szmek
#  Copyright 2013 David Strauss
#  Copyright 2016 Luke Shumaker
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.
#
#  systemd 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
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with systemd; If not, see <http://www.gnu.org/licenses/>.

OUR_CPPFLAGS += -MT $@ -MD -MP -MF $(@D)/$(DEPDIR)/$(basename $(@F)).P$(patsubst .%,%,$(suffix $(@F)))
OUR_CPPFLAGS += -include $(topoutdir)/config.h

at.dirlocal += AM_CFLAGS AM_CPPFLAGS AM_LDFLAGS AM_LIBTOOLFLAGS
ALL_CFLAGS = $(OUR_CFLAGS) $(AM_CFLAGS/$(@D)) $(CFLAGS)
ALL_CPPFLAGS = $(OUR_CPPFLAGS) $(AM_CPPFLAGS/$(@D)) $(CPPFLAGS)
ALL_LDFLAGS = $(OUR_LDFLAGS) $(AM_LDFLAGS/$(@D)) $(LDFLAGS)
ALL_LIBTOOLFLAGS = $(OUR_LIBTOOLFLAGS) $(AM_LIBTOOLFLAGS/$(@D)) $(LIBTOOLFLAGS)

COMPILE   = $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS)
LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(ALL_LIBTOOLFLAGS) --mode=compile $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS)
LINK      = $(LIBTOOL) $(AM_V_lt) --tag=CC $(ALL_LIBTOOLFLAGS) --mode=link $(CCLD) $(ALL_CFLAGS) $(ALL_LDFLAGS) -o $@

SED_PROCESS = \
	$(AM_V_GEN)$(MKDIR_P) $(dir $@) && \
	$(SED) $(subst '|,-e 's|@,$(subst =,\@|,$(subst |',|g',$(substitutions)))) \
		< $< > $@

# remove targets if the command fails
.DELETE_ON_ERROR:

# keep intermediate files
.SECONDARY:

# Keep the test-suite.log
.PRECIOUS: $(TEST_SUITE_LOG) Makefile

V ?=

AM_V_M4 = $(AM_V_M4_$(V))
AM_V_M4_ = $(AM_V_M4_$(AM_DEFAULT_VERBOSITY))
AM_V_M4_0 = @echo "  M4      " $@;
AM_V_M4_1 =

AM_V_XSLT = $(AM_V_XSLT_$(V))
AM_V_XSLT_ = $(AM_V_XSLT_$(AM_DEFAULT_VERBOSITY))
AM_V_XSLT_0 = @echo "  XSLT    " $@;
AM_V_XSLT_1 =

AM_V_GPERF = $(AM_V_GPERF_$(V))
AM_V_GPERF_ = $(AM_V_GPERF_$(AM_DEFAULT_VERBOSITY))
AM_V_GPERF_0 = @echo "  GPERF   " $@;
AM_V_GPERF_1 =

AM_V_LN = $(AM_V_LN_$(V))
AM_V_LN_ = $(AM_V_LN_$(AM_DEFAULT_VERBOSITY))
AM_V_LN_0 = @echo "  LN      " $@;
AM_V_LN_1 =

AM_V_RM = $(AM_V_RM_$(V))
AM_V_RM_ = $(AM_V_RM_$(AM_DEFAULT_VERBOSITY))
AM_V_RM_0 = @echo "  RM      " $@;
AM_V_RM_1 =

AM_V_CC = $(AM_V_CC_$(V))
AM_V_CC_ = $(AM_V_CC_$(AM_DEFAULT_VERBOSITY))
AM_V_CC_0 = @echo "  CC      " $@;
AM_V_CC_1 =

AM_V_CCLD = $(AM_V_CCLD_$(V))
AM_V_CCLD_ = $(AM_V_CCLD_$(AM_DEFAULT_VERBOSITY))
AM_V_CCLD_0 = @echo "  CCLD    " $@;
AM_V_CCLD_1 =

AM_V_P = $(AM_V_P_$(V))
AM_V_P_ = $(AM_V_P_$(AM_DEFAULT_VERBOSITY))
AM_V_P_0 = false
AM_V_P_1 = :

AM_V_GEN = $(AM_V_GEN_$(V))
AM_V_GEN_ = $(AM_V_GEN_$(AM_DEFAULT_VERBOSITY))
AM_V_GEN_0 = @echo "  GEN     " $@;
AM_V_GEN_1 =

AM_V_at = $(AM_V_at_$(V))
AM_V_at_ = $(AM_V_at_$(AM_DEFAULT_VERBOSITY))
AM_V_at_0 = @
AM_V_at_1 =

AM_V_lt = $(AM_V_lt_$(V))
AM_V_lt_ = $(AM_V_lt_$(AM_DEFAULT_VERBOSITY))
AM_V_lt_0 = --silent
AM_V_lt_1 =

INTLTOOL_V_MERGE = $(INTLTOOL_V_MERGE_$(V))
INTLTOOL_V_MERGE_OPTIONS = $(intltool_v_merge_options_$(V))
INTLTOOL_V_MERGE_ = $(INTLTOOL_V_MERGE_$(AM_DEFAULT_VERBOSITY))
INTLTOOL_V_MERGE_0 = @echo "  ITMRG " $@;
INTLTOOL_V_MERGE_1 =

%-from-name.gperf: %-list.txt
	$(AM_V_at)$(MKDIR_P) $(dir $@)
	$(AM_V_GEN)$(AWK) 'BEGIN{ print "struct $(notdir $*)_name { const char* name; int id; };"; print "%null-strings"; print "%%";} { printf "%s, %s\n", $$1, $$1 }' <$< >$@

%-from-name.h: %-from-name.gperf
	$(AM_V_at)$(MKDIR_P) $(dir $@)
	$(AM_V_GPERF)$(GPERF) -L ANSI-C -t --ignore-case -N lookup_$(notdir $*) -H hash_$(notdir $*)_name -p -C <$< >$@

# Stupid test that everything purported to be exported really is
define generate-sym-test
	$(AM_V_at)$(MKDIR_P) $(dir $@)
	$(AM_V_at)printf '#include <stdio.h>\n' > $@
	$(AM_V_at)printf '#include "%s"\n' $(notdir $(filter %.h, $^)) >> $@
	$(AM_V_at)printf 'void* functions[] = {\n' >> $@
	$(AM_V_GEN)sed -r -n 's/^ +([a-zA-Z0-9_]+);/\1,/p' $< >> $@
	$(AM_V_at)printf '};\nint main(void) {\n' >> $@
	$(AM_V_at)printf 'unsigned i; for (i=0;i<sizeof(functions)/sizeof(void*);i++) printf("%%p\\n", functions[i]);\n' >> $@
	$(AM_V_at)printf 'return 0; }\n' >> $@
endef

at.dirlocal += noinst_LTLIBRARIES lib_LTLIBRARIES
automake_name = $(subst -,_,$(subst .,_,$1))
automake_sources = $(addprefix $(outdir)/,$(notdir $($(automake_name)_SOURCES) $(nodist_$(automake_name)_SOURCES)))
automake_lo = $(patsubst %.c,%.lo,$(filter %.c,$(automake_sources)))
automake_o = $(patsubst %.c,%.o,$(filter %.c,$(automake_sources)))
automake_libs = $($(automake_name)_LIBADD)

define automake2autothing
std.out_files += $(noinst_LTLIBRARIES) $(lib_LTLIBRARIES) $(notdir $(pkgconfiglib_DATA))
std.sys_files += $(addprefix $(libdir)/,$(lib_LTLIBRARIES))
std.sys_files += $(addprefix $(pkgconfiglibdir)/,$(notdir $(lib_pkgconfiglib_DATA)))
$(foreach n,$(call automake_name,$(std.out_files)),\
  $(eval $n_SOURCES ?=)\
  $(eval nodist_$n_SOURCES ?=)\
  $(eval $n_CFLAGS ?=)\
  $(eval $n_CPPFLAGS ?=)\
  $(eval $n_LDFLAGS ?=)\
  $(eval $n_LIBADD ?=))
$(foreach t,$(filter %.la,$(std.out_files)),\
	$(eval $(outdir)/$t: $(call automake_lo,$t) $(call automake_libs,$t) )\
	$(eval AM_CFLAGS += $($(call automake_name,$t)_CFLAGS)               )\
	$(eval AM_CPPFLAGS += $($(call automake_name,$t)_CPPFLAGS)           )\
	$(eval AM_LDFLAGS += $($(call automake_name,$t)_LDFLAGS)             ))
endef