diff --git a/include/openssl/Makefile.am.tpl b/include/openssl/Makefile.am.tpl
index 1bea34d..167183a 100644
--- a/include/openssl/Makefile.am.tpl
+++ b/include/openssl/Makefile.am.tpl
@@ -3,4 +3,40 @@ include $(top_srcdir)/Makefile.am.common
 if !ENABLE_LIBTLS_ONLY
 opensslincludedir=$(includedir)/openssl
 
-opensslinclude_HEADERS =
+noinst_HEADERS = opensslconf.h.in
+BUILT_SOURCES = opensslconf.h
+CLEANFILES = opensslconf.h
+
+opensslconf.h: opensslconf.h.in Makefile
+	-echo "generating opensslconf.h ..."
+	-cp $(top_srcdir)/include/openssl/opensslconf.h.in opensslconf.h
+	-chmod u+w opensslconf.h
+if HOST_AARCH64
+	-cat $(top_srcdir)/include/arch/aarch64/opensslconf.h >> opensslconf.h
+endif
+if HOST_ARM
+	-cat $(top_srcdir)/include/arch/arm/opensslconf.h >> opensslconf.h
+endif
+if HOST_I386
+	-cat $(top_srcdir)/include/arch/i386/opensslconf.h >> opensslconf.h
+endif
+if HOST_MIPS64
+	-cat $(top_srcdir)/include/arch/mips64/opensslconf.h >> opensslconf.h
+endif
+if HOST_POWERPC
+	-cat $(top_srcdir)/include/arch/powerpc/opensslconf.h >> opensslconf.h
+endif
+if HOST_POWERPC64
+	-cat $(top_srcdir)/include/arch/powerpc64/opensslconf.h >> opensslconf.h
+endif
+if HOST_RISCV64
+	-cat $(top_srcdir)/include/arch/riscv64/opensslconf.h >> opensslconf.h
+endif
+if HOST_SPARC64
+	-cat $(top_srcdir)/include/arch/sparc64/opensslconf.h >> opensslconf.h
+endif
+if HOST_X86_64
+	-cat $(top_srcdir)/include/arch/amd64/opensslconf.h >> opensslconf.h
+endif
+
+opensslinclude_HEADERS = opensslconf.h