Merge remote-tracking branch 'origin/kdf_openssl' into integration_2022_wk06

targets/Makerules

@@ -14,14 +14,6 @@ DATE_REV := $(shell date '+%F %T')
 
 NUM_CORES:=$(shell cat /proc/cpuinfo | grep processor | wc -l)
 
-# Check for libraries and export cflags/linker variables
-NETTLE_FOUND    := $(shell if pkg-config --exists nettle; then echo "1" ; else echo "0"; fi)
-ifeq ($(NETTLE_FOUND), 1)
-NETTLE_LIBS     := $(shell pkg-config --libs nettle)
-#else 
-#@echo "package nettle not installed"
-endif
-
 OPENSSL_FOUND   := $(shell if pkg-config --exists openssl; then echo "1" ; else echo "0"; fi)
 ifeq ($(OPENSSL_FOUND), 1)
 OPENSSL_LIBS    := $(shell pkg-config --libs openssl)

targets/README.txt

@@ -20,7 +20,7 @@ First, you must have all four openair SW directories, openair1, openair2, openai
         - libpgm-5.1 and libpgm-5.1-dev for distributed simulation with reliable multicast transmport
         - libxml2 and libxml2-dev
         - libforms-bin libforms-dev
-        - nettle-dev nettle-bin openssl libssl-dev
+        - openssl libssl-dev
         - libatlas-base-dev and libatlas-headers (for Ubuntu 11.04, libatlas-dev instead of libatlas-headers)
         - asn1c and the LTE ASN1 files (for more information on how to install this and generate the required files see the README file in openair2/RRC/LITE/MESSAGES)