Remove --classic build entirely

The Unix build was the last to retain the classic build scheme.  The
new unified scheme has matured enough, even though some details may
need polishing.

Reviewed-by: Rich Salz <rsalz@openssl.org>

.travis.yml

@@ -26,8 +26,6 @@ env:
     - CONFIG_OPTS=""
     - CONFIG_OPTS="--debug no-shared enable-crypto-mdebug enable-rc5 enable-md2"
     - CONFIG_OPTS="--strict-warnings no-shared" BUILDONLY="yes"
-    - CONFIG_OPTS="--classic no-shared" BUILDONLY="yes"
-    - CONFIG_OPTS="--classic" BUILDONLY="yes"
     - CONFIG_OPTS="no-pic --strict-warnings" BUILDONLY="yes"
     - CONFIG_OPTS="no-engine no-shared --strict-warnings" BUILDONLY="yes"
 
@@ -60,34 +58,24 @@ matrix:
 before_script:
     - sh .travis-create-release.sh $TRAVIS_OS_NAME
     - tar -xvzf _srcdist.tar.gz
-    - if echo "$CONFIG_OPTS" | grep -e "--classic" >/dev/null; then
-          srcdir=.;
-          cd _srcdist;
-      else
-          srcdir=../_srcdist;
-          mkdir _build;
-          cd _build;
-      fi
+    - mkdir _build;
+    - cd _build;
     - if [ "$CC" == i686-w64-mingw32-gcc ]; then
           export CROSS_COMPILE=${CC%%gcc}; unset CC;
-          $srcdir/Configure mingw $CONFIG_OPTS -Wno-pedantic-ms-format;
+          ../_srcdir/Configure mingw $CONFIG_OPTS -Wno-pedantic-ms-format;
       elif [ "$CC" == x86_64-w64-mingw32-gcc ]; then
           export CROSS_COMPILE=${CC%%gcc}; unset CC;
-          $srcdir/Configure mingw64 $CONFIG_OPTS -Wno-pedantic-ms-format;
+          ../_srcdir/Configure mingw64 $CONFIG_OPTS -Wno-pedantic-ms-format;
       else
           if which ccache >/dev/null && [ "$CC" != clang-3.6 ]; then
               CC="ccache $CC";
           fi;
-          $srcdir/config $CONFIG_OPTS;
+          ../_srcdir/config $CONFIG_OPTS;
       fi
     - cd ..
 
 script:
-    - if echo "$CONFIG_OPTS" | grep -e "--classic" >/dev/null; then
-          cd _srcdist;
-      else
-          cd _build;
-      fi
+    - cd _build;
     - make
     - if [ -z "$BUILDONLY" ]; then
           if [ -n "$CROSS_COMPILE" ]; then

Configurations/README

@@ -99,8 +99,7 @@ In each table entry, the following keys are significant:
                            some options.  In this case, the first
                            string in the list is the name of the build
                            scheme.
-                           Currently recognised build schemes are
-                           "unixmake" and "unified".
+                           Currently recognised build scheme is "unified".
                            For the "unified" build scheme, this item
                            *must* be an array with the first being the
                            word "unified" and the second being a word

Configure

@@ -458,8 +458,6 @@ my $target="";
 $config{options}="";
 $config{build_type} = "release";
 
-my $classic = 0;
-
 my @argvcopy=@ARGV;
 
 if (grep /^reconf(igure)?$/, @argvcopy) {
@@ -644,11 +642,7 @@ foreach (@argvcopy)
 		}
 	elsif (/^[-+]/)
 		{
-		if (/^--classic$/)
-			{
-			$classic=1;
-			}
-		elsif (/^--prefix=(.*)$/)
+		if (/^--prefix=(.*)$/)
 			{
 			$config{prefix}=$1;
 			die "Directory given with --prefix MUST be absolute\n"
@@ -904,22 +898,6 @@ $config{shared_ldflag} = "";
 $target{build_scheme} = [ $target{build_scheme} ]
     if ref($target{build_scheme}) ne "ARRAY";
 
-###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
-######
-###### If the user has chosen --classic, we give it to them.
-###### If they try that with an out-of-source config, we complain.
-if ($target{build_scheme}->[0] eq "unified" && $classic) {
-    die "Can't perform a classic build out of source tree\n"
-        if $srcdir ne $blddir;
-
-    $target{build_scheme} = { unix    => [ "unixmake" ],
-                              windows => undef,
-                              VMS     => undef } -> {$target{build_scheme}->[1]};
-
-    die "Classic mode unavailable on this platform\n"
-        unless defined($target{build_scheme});
-}
-
 my ($builder, $builder_platform, @builder_opts) =
     @{$target{build_scheme}};