Use SHA256Init on OpenBSD .... grrr

diff --git a/configure b/configure
index e9973f36c70dc1d827b1f100bba846662712a72a..aacf606d23efdc72a8ffc765fcf7c25e95157dfb 100755 (executable)
--- a/configure
+++ b/configure
@@ -801,6 +801,7 @@ fi
 
 if [ -z "$SHA2" ]; then
        SHA2_LIB=
+       SHA2_RENAMED=
        printf "Testing for SHA256_Init ... "
        cat <<EOF >_sha256.c
 #include <sys/types.h>
@@ -826,12 +827,49 @@ EOF
        fi
        echo "$SHA2"
        rm -f _sha256.c _sha256
+       if [ "$SHA2" = no ]; then
+               # Did OpenBSD really change this? grrrr
+               printf "Testing for SHA256Init ... "
+               cat <<EOF >_sha256.c
+#include <sys/types.h>
+EOF
+               [ -n "$SHA2_H" ] && echo "#include <$SHA2_H>">>_sha256.c
+               cat <<EOF >>_sha256.c
+#include <stdlib.h>
+int main(void) {
+       SHA2_CTX context;
+       SHA256Init(&context);
+       return 0;
+}
+EOF
+               # We only want to link to libmd if it exists in /lib
+               set -- $(ls /lib/libmd.so.* 2>/dev/null)
+               if $XCC _sha256.c -o _sha256 3>/dev/null; then
+                       SHA2=yes
+                       SHA2_RENAMED=yes
+               elif [ -e "$1" ] && $XCC _sha256.c -lmd -o _sha256 2>/dev/null
+               then
+                       SHA2="yes (-lmd)"
+                       SHA2_LIB=-lmd
+                       SHA2_RENAMED=yes
+               else
+                       SHA2=no
+               fi
+               echo "$SHA2"
+               rm -f _sha256.c _sha256
+       fi
 fi
 if [ "$SHA2" = no ]; then
        echo "SHA256_SRC=       sha256.c" >>$CONFIG_MK
 else
        echo "SHA256_SRC=" >>$CONFIG_MK
        echo "#define SHA2_H            <$SHA2_H>" >>$CONFIG_H
+       if [ "$SHA2_RENAMED" = yes ]; then
+               echo "#define SHA256_CTX        SHA2_CTX" >>$CONFIG_H
+               echo "#define SHA256_Init       SHA256Init" >>$CONFIG_H
+               echo "#define SHA256_Update     SHA256Update" >>$CONFIG_H
+               echo "#define SHA256_Final      SHA256Final" >>$CONFIG_H
+       fi
        [ -n "$SHA2_LIB" ] && echo "LDADD+=             $SHA2_LIB" >>$CONFIG_MK
 fi