# Makefile for uClibc
#
# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

# command used to download source code
WGET := wget --passive-ftp

LOCALE_DATA_FILENAME := uClibc-locale-030818.tgz

BUILD_CFLAGS-locale-common := \
	-D__UCLIBC_GEN_LOCALE \
	-DUCLIBC_CTYPE_HEADER='"$(top_builddir)include/bits/uClibc_ctype.h"'

BUILD_CFLAGS-gen_wc8bit := $(BUILD_CFLAGS-locale-common) -DCTYPE_PACKED=1

BUILD_CFLAGS-gen_wctype := $(BUILD_CFLAGS-locale-common)

BUILD_CFLAGS-gen_ldc :=
ifeq ($(UCLIBC_HAS_WCHAR),y)
BUILD_CFLAGS-gen_wc8bit += -DDO_WIDE_CHAR=1
BUILD_CFLAGS-gen_ldc += -D__WCHAR_ENABLED=1
endif

BUILD_CFLAGS-gen_locale := -D_GNU_SOURCE

DEPH-locale := $(top_builddir)include/bits/sysnum.h
DEPH-gen_locale := c8tables.h
DEPH-gen_ldc := c8tables.h wctables.h locale_tables.h locale_collate.h

locale_DIR := $(top_srcdir)extra/locale
locale_OUT := $(top_builddir)extra/locale

#locale_HOBJ := gen_collate gen_ldc gen_locale gen_wc8bit gen_wctype
locale_HOBJ := gen_collate gen_wc8bit gen_wctype
locale_HOBJ := $(patsubst %,$(locale_OUT)/%,$(locale_HOBJ))

locale_SRC := $(locale_OUT)/locale_data.c
locale_OBJ := $(locale_OUT)/locale_data.o

CFLAGS-locale_data.c := -D__WCHAR_ENABLED -I$(locale_OUT) -I$(locale_DIR)

# produces a loop
#headers-$(UCLIBC_HAS_LOCALE) += locale_headers

libc-$(UCLIBC_HAS_LOCALE) += $(locale_OBJ)

libc-nomulti-$(UCLIBC_HAS_LOCALE) += $(locale_OBJ)

locale_headers: $(top_builddir)include/bits/uClibc_locale_data.h

# make sure that the host system has locales (this check is ok for uClibc/glibc)
# we do not know though which locales were really enabled for libc at build time
ifeq ($(wildcard /usr/include/iconv.h),)

$(locale_OUT)/codesets.txt:
	@if [ ! -f $@ ] ; then \
	    set -e; \
	    echo " "; \
	    echo "You do not have a codesets.txt file.  Please create this "; \
	    echo "file in the $(locale_OUT) directory by running something like: "; \
	    echo -e "  find $(locale_DIR)/charmaps -name \"*.pairs\" > \\"; \
	    echo -e "        $@"; \
	    echo "and then edit that file to disable/enable the codesets you wish to support. "; \
	    echo " "; \
	    false; \
	fi;

$(locale_OUT)/locales.txt:
	@if [ ! -f $@ ] ; then \
	    set -e; \
	    echo " "; \
	    echo "You do not have a locales.txt file in the $(locale_OUT) "; \
	    echo "directory, Please copy the LOCALES file to locales.txt by "; \
	    echo "running something like: "; \
	    echo "  cp $(locale_DIR)/LOCALES \\ "; \
	    echo "      $@ "; \
	    echo "then edit locales.txt to disable/enable the locales you wish "; \
	    echo "to support. "; \
	    echo " "; \
	    false; \
	fi;

else

$(locale_OUT)/codesets.txt:
ifeq ($(UCLIBC_BUILD_MINIMAL_LOCALE),y)
	echo "$(locale_DIR)/charmaps/ASCII.pairs" > $@ ; \
	echo "$(locale_DIR)/charmaps/ISO-8859-1.pairs" >> $@
else
	find $(locale_DIR)/charmaps -name '*.pairs' | sort > $@
endif

# the lines beginning w/ '#-' are mandatory
# at least one conversion is needed (euro/cyrillic)
$(locale_OUT)/locales.txt: $(locale_DIR)/LOCALES
ifeq ($(UCLIBC_BUILD_MINIMAL_LOCALE),y)
	echo "@euro e" > $@ ; \
	echo "#-" >> $@ ; \
	echo "UTF-8 yes" >> $@ ; \
	echo "8-BIT yes" >> $@ ; \
	echo "#-" >> $@ ; \
	echo "en_US.UTF-8 UTF-8" >> $@ ; \
	echo "en_US ISO-8859-1" >> $@
else
	cp $< $@
endif

endif

$(locale_HOBJ): $(locale_OUT)/% : $(locale_DIR)/%.c | $(DEPH-locale)
	$(hcompile.u)

$(locale_OUT)/gen_locale : $(locale_DIR)/gen_locale.c | $(DEPH-locale) $(patsubst %,$(locale_OUT)/%,$(DEPH-gen_locale))
	$(hcompile.u)

$(locale_OUT)/gen_ldc : $(locale_DIR)/gen_ldc.c | $(DEPH-locale) $(patsubst %,$(locale_OUT)/%,$(DEPH-gen_ldc))
	$(hcompile.u)

# code needs to be modified to support top_builddir in almost all apps that write directly to a file
# grep fopen *.c
$(locale_OUT)/c8tables.h: $(locale_OUT)/gen_wc8bit $(locale_OUT)/codesets.txt
	$< `cat $(word 2,$^)`

# Warning! Beware tr_TR toupper/tolower exceptions!
$(locale_OUT)/wctables.h: $(locale_OUT)/gen_wctype
	$< en_US

$(locale_OUT)/locale_tables.h: $(locale_OUT)/gen_locale $(locale_OUT)/locales.txt
	$< $(word 2,$^)

$(locale_OUT)/lt_defines.h: $(locale_OUT)/locale_tables.h $(locale_OUT)/locale_collate.h
	grep "^#define" $< > $@
	grep "^#define __lc" $(word 2,$^) >> $@

$(locale_OUT)/locale_collate.h: $(locale_OUT)/gen_collate $(locale_OUT)/locale_tables.h
	grep COL_IDX_ $(word 2,$^) | sed -e "s/^.*COL_IDX_\([^, ]*\).*$$/\1/" | \
		sort | uniq | xargs $<

$(locale_OUT)/$(LOCALE_DATA_FILENAME):
ifeq ($(UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA),y)
	( cd $(dir $@); $(WGET) http://www.uclibc.org/downloads/$(notdir $@) )
endif

ifeq ($(UCLIBC_PREGENERATED_LOCALE_DATA),y)

$(locale_SRC): $(locale_OUT)/$(LOCALE_DATA_FILENAME)
	zcat $< | tar -xv -C $(dir $@) -f -
	touch $@
	# we use the one in locale_DIR
	#$(RM) $(locale_OUT)/locale_mmap.h

# for arch specific versions we have to at least overwrite lt_defines.h/locale_data.c/uClibc_locale_data.h

$(locale_OUT)/uClibc_locale_data.h: $(locale_SRC)

else

$(locale_SRC): $(locale_OUT)/gen_ldc
	$<

$(locale_OUT)/uClibc_locale_data.h: $(locale_OUT)/lt_defines.h $(locale_OUT)/c8tables.h $(locale_OUT)/wctables.h $(locale_DIR)/locale_mmap.h | $(locale_SRC)
	grep -v "define __LC" $< > $@
	cat $(wordlist 2,4,$^) >> $@

endif

$(top_builddir)include/bits/uClibc_locale_data.h: $(locale_OUT)/uClibc_locale_data.h | $(top_builddir)include/bits/uClibc_config.h
	cat $< | awk 'BEGIN{i=1}{ if ( /WANT_/ ) i = /endif/ ; else if (i) print $0 }' > $@

objclean-y += locale_clean

# lmmtolso.c/gen_mmap.c/tst-*.c not used
locale_clean:
	$(RM) $(locale_HOBJ) $(locale_SRC) $(locale_OUT)/{*.{o,os,txt},gen_locale,gen_ldc}
	$(RM) $(locale_OUT)/{uClibc_locale_data,lt_defines,c8tables,wctables,locale_tables,locale_collate}.h
	$(RM) $(locale_OUT)/{lmmtolso,gen_mmap,locale.mmap}
