download asn1c from oai gitlab

the official asn1c repository at github posed problems to
some people in the past. It's better to have it locally
for such a critical piece of the software.

cmake_targets/tools/build_helper

@@ -397,13 +397,9 @@ install_asn1c_from_source(){
     asn1_install_log=$OPENAIR_DIR/cmake_targets/log/asn1c_install_log.txt
     echo_info "\nInstalling ASN1. The log file for ASN1 installation is here: $asn1_install_log "
     (
-    $SUDO rm -rf /tmp/asn1c-r1516
-    svn co https://github.com/vlm/asn1c/trunk  /tmp/asn1c-r1516 -r 1516
-    cd /tmp/asn1c-r1516 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch.p0 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch_2.p0 
-    patch -p0 < $OPENAIR_DIR/openair2/RRC/LITE/MESSAGES/asn1c/asn1cpatch.p0 
-    patch -p0 < $OPENAIR_DIR/openair3/S1AP/MESSAGES/ASN1/asn1cpatch_3.p0 
+    $SUDO rm -rf /tmp/asn1c
+    git clone https://gitlab.eurecom.fr/oai/asn1c.git /tmp/asn1c
+    cd /tmp/asn1c
     ./configure
     make -j`nproc`
     $SUDO make install

openair2/RRC/LITE/MESSAGES/asn1c/asn1cpatch.p0

@@ -1,13 +0,0 @@
-Index: skeletons/per_opentype.c
-===================================================================
---- skeletons/per_opentype.c	(revision 1516)
-+++ skeletons/per_opentype.c	(working copy)
-@@ -277,7 +306,7 @@
- 	(void)constraints;
- 	(void)sptr;
- 
--	while(per_get_few_bits(pd, 24) >= 0);
-+	while(per_get_few_bits(pd, 1 /*24*/) >= 0);
- 
- 	rv.code = RC_OK;
- 	rv.consumed = pd->moved;

openair3/S1AP/MESSAGES/ASN1/asn1cpatch_2.p0

@@ -1,22 +0,0 @@
---- skeletons/OCTET_STRING.c.orig	2015-04-28 10:40:04.036970492 +0200
-+++ skeletons/OCTET_STRING.c	2015-04-28 10:40:09.619970869 +0200
-@@ -159,7 +159,7 @@
- }
- 
- static struct _stack *
--_new_stack() {
-+_new_stack(void) {
- 	return (struct _stack *)CALLOC(1, sizeof(struct _stack));
- }
- 
---- skeletons/converter-sample.c.orig	2015-04-28 10:40:32.164972391 +0200
-+++ skeletons/converter-sample.c	2015-04-28 10:40:37.140972727 +0200
-@@ -353,7 +353,7 @@
- } DynamicBuffer;
- 
- static void
--buffer_dump() {
-+buffer_dump(void) {
- 	uint8_t *p = DynamicBuffer.data + DynamicBuffer.offset;
- 	uint8_t *e = p + DynamicBuffer.length - (DynamicBuffer.unbits ? 1 : 0);
- 	if(!opt_debug) return;