configure: do not default openssl libs, cleanup messages

configure

@@ -12,8 +12,7 @@ if pkg-config openssl 2>/dev/null; then
  CFLAGS="${CFLAGS} `pkg-config --cflags openssl`"
  LDFLAGS="${LDFLAGS} `pkg-config --libs openssl`"
 else
- echo Guessing OpenSSL linker flags
- LDFLAGS="${LDFLAGS} -lssl -lcrypto"
+ echo OpenSSL or its dev package not found
 fi
 
 if pkg-config ao 2>/dev/null; then
@@ -23,7 +22,7 @@ if pkg-config ao 2>/dev/null; then
  echo "CONFIG_AO=yes" >> config.mk
  echo libao found
 else
- echo libao not found
+ echo libao or its dev package not found
 fi
 
 if pkg-config avahi-client 2>/dev/null; then
@@ -33,7 +32,7 @@ if pkg-config avahi-client 2>/dev/null; then
  echo "CONFIG_AVAHI=yes" >> config.mk
  echo avahi-client found
 else
- echo avahi-client not found
+ echo avahi-client or its dev package not found
 fi
 
 echo "CFLAGS+=${CFLAGS}" >> config.mk