Add missing fixes from wolfEngine

Necessary to make 'make distcheck' work

Author: Andras Fekete

Makefile.am

@@ -9,6 +9,7 @@ DISTCLEANFILES =
 pkginclude_HEADERS =
 
 ACLOCAL_AMFLAGS = -I m4
+AM_CPPFLAGS = -I$(top_srcdir)/include
 
 lib_LTLIBRARIES = libwolfprov.la
 
@@ -23,3 +24,17 @@ include test/include.am
 #DISTCLEANFILES  += .libs/bench
 
 test: check
+# By default, make distcheck will only add wolfProvider/ as an include directory.
+# So, for example, a file like unit.h that has #include
+# <wolfprovider/we_logging.h> won't be able to find wp_logging.h, because
+# wolfProvider/include isn't an include directory. We add it here.
+#
+# The OpenSSL lib and include directories won't be visible to make distcheck
+# either because make distcheck runs ./configure with no other options. If
+# OpenSSL isn't installed in a standard location, this naked configure command
+# will fail to find it. We tell it where to find the include and lib directory
+# for OpenSSL here.
+AM_DISTCHECK_CONFIGURE_FLAGS=CPPFLAGS="-I@abs_top_srcdir@/include \
+                                         @OPENSSL_INCLUDES@" \
+                             LDFLAGS="@OPENSSL_LDFLAGS@"
+