patch 8.2.3022: available encryption methods are not strong enough
Problem: Available encryption methods are not strong enough.
Solution: Add initial support for xchaha20. (Christian Brabandt,
closes #8394)
diff --git a/src/configure.ac b/src/configure.ac
index 9810ea1..84b54db 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3767,6 +3767,43 @@
AC_MSG_RESULT(no; try installing libcanberra-dev); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
fi
+AC_MSG_CHECKING(--enable-libsodium argument)
+AC_ARG_ENABLE(libsodium,
+ [ --disable-libsodium Do not use libsodium.],
+ , [enable_libsodium="maybe"])
+
+if test "$enable_libsodium" = "maybe"; then
+ if test "$features" = "big" -o "$features" = "huge"; then
+ AC_MSG_RESULT(Defaulting to yes)
+ enable_libsodium="yes"
+ else
+ AC_MSG_RESULT(Defaulting to no)
+ enable_libsodium="no"
+ fi
+else
+ AC_MSG_RESULT($enable_libsodium)
+fi
+if test "$enable_libsodium" = "yes"; then
+ if test "x$PKG_CONFIG" != "xno"; then
+ libsodium_lib=`$PKG_CONFIG --libs libsodium 2>/dev/null`
+ libsodium_cflags=`$PKG_CONFIG --cflags libsodium 2>/dev/null`
+ fi
+ if test "x$libsodium_lib" = "x"; then
+ libsodium_lib=-lsodium
+ libsodium_cflags=
+ fi
+ AC_MSG_CHECKING(for libcanberra)
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $libsodium_cflags"
+ LIBS="$LIBS $libsodium_lib"
+ AC_TRY_LINK([
+ # include <sodium.h>
+ ], [
+ printf("%d", sodium_init()); ],
+ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SODIUM),
+ AC_MSG_RESULT(no; try installing libsodium-dev); CFLAGS="$ac_save_CFLAGS"; LIBS="$ac_save_LIBS")
+fi
dnl fstatfs() can take 2 to 4 arguments, try to use st_blksize if possible
AC_MSG_CHECKING(for st_blksize)