Add optional OpenSSL build

Author: drygdryg

Makefile

@@ -5,6 +5,9 @@ all: libnl iw wpa_supplicant
 libnl:
 	./build_libnl.sh
 
+openssl:
+	./build_openssl.sh
+
 iw:
 	libnl
 	./build_iw.sh
@@ -14,4 +17,4 @@ wpa_supplicant:
 	./build_wpas.sh
 
 clean:
-	rm -rf *.tar.gz *.tar.xz prefix/ binaries/ libnl-3.5.0/ iw-5.8/ wpa_supplicant-2.9/
+	rm -rf *.tar.gz *.tar.xz prefix/ binaries/ libnl-3.5.0/ openssl-1.1.1g/ iw-5.8/ wpa_supplicant-2.9/

build_openssl.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+openssl_tgz="openssl-1.1.1g.tar.gz"
+openssl_url="https://www.openssl.org/source/$openssl_tgz"
+openssl_dir="${openssl_tgz%.tar.gz}"
+
+prefix="`pwd`/prefix"
+
+# fetch source code archive
+[ -f "$openssl_tgz" ] || wget $openssl_url
+
+# output directory
+[ -d "$prefix" ]    || mkdir prefix
+
+# unpack source files
+[ -d "$openssl_dir"   ] || tar xf "${openssl_tgz}"
+
+# build OpenSSL
+if ! [ -f "${prefix}/lib/libcrypto.a" ] ; then
+    cd $openssl_dir
+    (
+    ./config --prefix=$prefix no-shared no-stdio no-tests
+    make -j`nproc --all`
+    make install
+    )
+fi
+
+echo "OpenSSL library has been compiled"

build_wpas.sh

@@ -23,7 +23,7 @@ if ! [ -f "${wpas_dir}/wpa_supplicant/wpa_supplicant" ] ; then
     (
     export PKG_CONFIG_PATH="${prefix}/lib/pkgconfig"
     make -j`nproc --all` \
-        LIBS+="-L${prefix}/lib -lnl-genl-3 -lnl-3" \
+        LIBS+="-L${prefix}/lib -lnl-genl-3 -lnl-3 -lcrypto -lssl" \
         LDFLAGS+="-static"
     # binaries output directory
     [ -d "$binaries" ] || mkdir $binaries