Add support for building as a .framework

configure.ac

@@ -31,6 +31,10 @@ AC_ARG_ENABLE(shared,
 AS_IF([test x"$enable_shared" != x"no"], [
 	BUILDSYS_SHARED_LIB
 	AC_SUBST(OBJOPENSSL_SHARED_LIB, "${LIB_PREFIX}objopenssl${LIB_SUFFIX}")
+
+	BUILDSYS_FRAMEWORK([
+		AC_SUBST(OBJOPENSSL_FRAMEWORK, "ObjOpenSSL.framework")
+	])
 ])
 AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [build static library]))
 AS_IF([test x"$enable_static" = x"yes" -o x"$enable_shared" = x"no"], [

extra.mk.in

@@ -1,2 +1,3 @@
 OBJOPENSSL_SHARED_LIB = @OBJOPENSSL_SHARED_LIB@
 OBJOPENSSL_STATIC_LIB = @OBJOPENSSL_STATIC_LIB@
+OBJOPENSSL_FRAMEWORK = @OBJOPENSSL_FRAMEWORK@

src/Makefile

@@ -2,6 +2,7 @@ include ../extra.mk
 
 SHARED_LIB = ${OBJOPENSSL_SHARED_LIB}
 STATIC_LIB = ${OBJOPENSSL_STATIC_LIB}
+FRAMEWORK = ${OBJOPENSSL_FRAMEWORK}
 LIB_MAJOR = 0
 LIB_MINOR = 0