Check for openssl headers/libs when enabling ermt.

[dump.git] / configure.in

diff --git a/configure.in b/configure.in
index cf3bbdc9d6c02d5a1604e2a36f9448304027808c..9a980eaa0ce57273e04914ddca4dcaed2e7957d1 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -82,6 +82,33 @@ echo "Compiling rmt by default"
 )
 AC_SUBST(RMTDIR)
 
+dnl
+dnl Handle --enable-ermt
+dnl
+AC_ARG_ENABLE([ermt],
+[  --enable-ermt              compile ermt, an encrypting version of rmt (default is NO)],
+if test "$enableval" = "no"
+then
+       ERMT=""
+       CRYPTO=""
+       echo "Not compiling ermt"
+else
+       if test "$RMTDIR" = ""
+       then
+               AC_MSG_ERROR(ermt requires --enable-rmt)
+       fi
+       ERMT="ermt"
+       CRYPTO="-lcrypto"
+       echo "Compiling ermt"
+fi
+,
+ERMT=""
+CRYPTO=""
+echo "Not compiling ermt by default"
+)
+AC_SUBST(ERMT)
+AC_SUBST(CRYPTO)
+
 dnl
 dnl Handle --enable-kerberos
 dnl
@@ -453,6 +480,17 @@ if test "$ac_cv_func_glob" = "yes"; then
        ])
 fi
 
+dnl
+dnl Check for OpenSSL, for ermt
+dnl
+if test "$ERMT" != ""; then
+       AC_CHECK_HEADER(openssl/evp.h, [evp_h=yes], [evp_h=no])
+       AC_CHECK_LIB(crypto, EVP_CIPHER_CTX_set_padding, [crypto_lib=yes], [crypto_lib=no])
+       if test "$evp_h" = no -o "$crypto_lib" = no; then
+               AC_MSG_ERROR(You need to install the OpenSSL library (version 0.9.7a or later), or configure without --enable-ermt)
+       fi
+fi
+
 dnl
 dnl Check for types
 dnl