diff --git a/Makefile.am.common b/Makefile.am.common
index 7c8b280..9586e15 100644
--- a/Makefile.am.common
+++ b/Makefile.am.common
@@ -1,2 +1,4 @@
 AM_CPPFLAGS = -I$(top_srcdir)/include
 AM_CPPFLAGS += -DOPENSSL_NO_ASM
+AM_CPPFLAGS += -DHAVE_CRYPTODEV
+AM_CPPFLAGS += -DLIBRESSL_INTERNAL
diff --git a/configure.ac b/configure.ac
index 549f303..2e00982 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_MACRO_DIR([m4])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_SUBST([USER_CFLAGS], "-O2 $CFLAGS")
-CFLAGS="$CFLAGS -Wall -Werror -std=c99 -g -Wno-pointer-sign -DHAVE_CRYPTODEV -DLIBRESSL_INTERNAL"
+CFLAGS="$CFLAGS -Wall -Werror -std=c99 -g -Wno-pointer-sign"
 
 case $target_os in
 	*darwin*)
@@ -36,7 +36,6 @@ AC_PROG_CC
 AC_PROG_LIBTOOL
 AC_PROG_CC_STDC
 AM_PROG_CC_C_O
-AC_PROG_LN_S
 
 AC_CHECK_FUNC(strlcpy,[AC_SEARCH_LIBS(strlcpy,, [NO_STRLCPY=],
 			  [NO_STRLCPY=yes])], [NO_STRLCPY=yes])
diff --git a/update.sh b/update.sh
index a775a1a..3fc5d07 100755
--- a/update.sh
+++ b/update.sh
@@ -413,6 +413,6 @@ crypto_excludes=(
 	source links
 	for i in $MLINKS; do
 		IFS=","; set $i; unset IFS
-		echo "	\$(LN_S) -f \$(DESTDIR)\$(mandir)/man3/$1 \$(DESTDIR)\$(mandir)/man3/$2" >> Makefile.am
+		echo "	ln -f \$(DESTDIR)\$(mandir)/man3/$1 \$(DESTDIR)\$(mandir)/man3/$2" >> Makefile.am
 	done
 )