configure: Fix --enable-decklink behavior

When explicitly enabled, configure should fail when it can't find the Decklink SDK.
8 years ago · 8383fb08a4
1 changed files with 5 additions and 1 deletions
--- a/configure.ac
+++ b/configure.ac
@ -1904,7 +1904,11 @@ then
  AC_CHECK_HEADERS([DeckLinkAPIDispatch.cpp], [
      have_decklink=yes
  ], [
-      AC_MSG_WARN([Blackmagic DeckLink SDI include files not found, decklink disabled])
+      AS_IF([test "${enable_decklink}" = "yes"], [
+        AC_MSG_ERROR([Blackmagic DeckLink SDI include files not found!])
+      ], [
+        AC_MSG_WARN([Blackmagic DeckLink SDI include files not found, decklink disabled])
+      ])
  ])
  AC_LANG_POP([C++])
  VLC_RESTORE_FLAGS