Clean up build script

gost-build-3.sh

@@ -1,25 +1,25 @@
 #!/bin/bash -x
 
-# This script assumes your standard system installation is OpenSSL-1.1.1+,
-# and a separate (not on the PATH) installation - OpenSSL-3.0 (GitHub master).
+#
+# Input taken via environment variables:
+#
+#    OPENSSL_DIR: where binary OpenSSL installation is
+#       if empty, assume $HOME/openssl-3
+#
+#    ENGINESDIR: where this OpenSSL version places engines
+#       if empty, assume ${OPENSSL_DIR}/lib/engines-3
+#
+#    THREE: sub-suffix for the output log files (default - empty/none)
 #
 # NOTE: You *must* set OPENSSL_DIR env var if you want to build the GOST engine
-# for OpenSSL-1.1.1+.
+# for OpenSSL-1.1.1+ or Macports-installed OpenSSL (3.x or 1.1.1x).
 # 
-# You may set OPENSSL_ROOT_DIR for OpenSSL-1.1.1+. It will be reset automatically
-# if the script determines that the build is for OpenSSL-3.0 by finding that
-# OPENSSL_DIR is *not* set.
 
 if [ -z ${OPENSSL_DIR} ]; then
     # Assume we are building for OpenSSL-3 (current master)
     LDFLAGS="" 
     OPENSSL_DIR="$HOME/openssl-3"
-    #THREE="-3-"
-#else
-#    # Assume we're building for Macports OpenSSL-1.1.1x
-#    OPENSSL_ENGINES_DIR="${OPENSSL_DIR}/lib/engines-1.1"
-#    THREE="-"
-#    CMAKE_BUILD_TYPE=Release
+    THREE="-3-"
 fi
 
 if [ -z ${ENGINESDIR} ]; then