Makefile: add a knob to enable the use of Asciidoctor

diff --git a/Makefile b/Makefile
index 9d6c24503155471cc66882f6ba2040456a1cf470..24e35dd74f90cf1887b789b5f0b6a59694b441d0 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -250,6 +250,12 @@ all::
 # apostrophes to be ASCII so that cut&pasting examples to the shell
 # will work.
 #
+# Define USE_ASCIIDOCTOR to use Asciidoctor instead of AsciiDoc to build the
+# documentation.
+#
+# Define ASCIIDOCTOR_EXTENSIONS_LAB to point to the location of the Asciidoctor
+# Extensions Lab if you have it available.
+#
 # Define PERL_PATH to the path of your Perl binary (usually /usr/bin/perl).
 #
 # Define NO_PERL_MAKEMAKER if you cannot use Makefiles generated by perl's
@@ -1047,6 +1053,7 @@ ifeq ($(uname_S),Darwin)
                endif
        endif
        ifndef NO_APPLE_COMMON_CRYPTO
+               NO_OPENSSL = YesPlease
                APPLE_COMMON_CRYPTO = YesPlease
                COMPAT_CFLAGS += -DAPPLE_COMMON_CRYPTO
        endif