[2/4] HR support: Add logic to fetch reference source code and build it

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>

configure.ac

@@ -27,6 +27,7 @@ AC_ARG_ENABLE(gsmhr,
 	[enable_gsmhr=0], [enable_gsmhr=1])
 AM_CONDITIONAL(ENABLE_GSMHR, test "x$enable_gsmhr" = "x1")
 if test "x$enable_gsmhr" = "x1"; then
+	AM_PATH_PYTHON([2.4])
 	AC_DEFINE(HAVE_LIBGSMHR, 1, [Define to 1 if libgsmhr is available])
 fi
 

libgsmhr/Makefile.am

@@ -3,5 +3,21 @@ AM_CFLAGS = -fPIC -Wall ${SYMBOL_VISIBILITY}
 
 LIBVERSION=0:0:0
 
+REFSRC_PATH=refsrc
+REFSRC_SRC=refsrc/dtx.c refsrc/globdefs.c refsrc/host.c refsrc/mathhalf.c refsrc/sp_enc.c refsrc/sp_rom.c refsrc/vad.c refsrc/err_conc.c refsrc/homing.c refsrc/mathdp31.c refsrc/sp_dec.c refsrc/sp_frm.c refsrc/sp_sfrm.c
+
+${REFSRC_PATH}/.downloaded:
+	./fetch_sources.py "${REFSRC_PATH}"
+	for f in "${REFSRC_PATH}"/*.{c,h}; do	\
+		sed -i -e"s/round/round_l2s/" "$$f";	\
+	done
+	sed -i -e"s/long int/int/" -e"s/long/int/" "${REFSRC_PATH}/typedefs.h"
+	touch $@
+
+${REFSRC_PATH}/dtx.c: ${REFSRC_PATH}/.downloaded
+
 lib_LTLIBRARIES = libgsmhr.la
-libgsmhr_la_SOURCES = libgsmhr.c
+libgsmhr_la_SOURCES = $(REFSRC_SRC) libgsmhr.c
+
+clean-local:
+	-rm -rf ${REFSRC_PATH}

libgsmhr/fetch_sources.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+
+import urllib2
+import os
+import sys
+import zipfile
+
+try:
+	import cStringIO as StringIO
+except:
+	import StringIO
+
+
+SRC = "http://ftp.3gpp.org/Specs/2001-06/Ph2/06_series/0606-421/0606_421.zip"
+
+
+def get_zipfile(data):
+	return zipfile.ZipFile(StringIO.StringIO(data))
+
+
+def get_subfile_data(data, filename):
+	z = get_zipfile(data)
+	return z.read(filename)
+
+
+def process_file(z, e):
+	fh = open(e.filename.lower(), 'w')
+	d = z.read(e).replace('\r','')
+	fh.write(d)
+	fh.close()
+
+
+def main(*args):
+
+	# Args
+	if len(args) != 2:
+		print "Usage: %s target_dir" % args[0]
+		return
+
+	tgt = args[1]
+
+	# Create and go to target dir
+	if not os.path.isdir(tgt):
+		os.mkdir(tgt)
+	os.chdir(tgt)
+
+	# Get the original data
+	u = urllib2.urlopen(SRC)
+	d = u.read()
+
+	# Get DISK.zip
+	d = get_subfile_data(d, 'DISK.zip')
+
+	# Get Dir_C.zip
+	d = get_subfile_data(d, 'Dir_C.zip')
+
+	# Get zip file object
+	z = get_zipfile(d)
+
+	# Save each file
+	for e in z.filelist:
+		process_file(z, e)
+
+
+if __name__ == '__main__':
+	main(*sys.argv)