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avdevice/decklink: Fix compilation of module on OSX 

Clang applies the missing-prototypes warning on C++ files, whereas
gcc only applies it to C.  As a result, the decklink_common.cpp file
fails to build because of missing prototypes in DecklinkDispatch.cpp
(which is #included by decklink_common.cpp).

We don't want to change the actual Blackmagic SDK sources, so
suppress the warning just for that one #include.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Devin Heitmueller 2018-01-08 20:16:58 -05:00 committed by Marton Balint
parent 5409f065f2
commit b5b4868504
1 changed files with 11 additions and 0 deletions
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11
libavdevice/decklink_common.cpp
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@ -29,7 +29,18 @@ extern "C" {
#ifdef _WIN32
#include <DeckLinkAPI_i.c>
#else
/* The file provided by the SDK is known to be missing prototypes, which doesn't
cause issues with GCC since the warning doesn't apply to C++ files. However
Clang does complain (and warnings are treated as errors), so suppress the
warning just for this one file */
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#endif
#include <DeckLinkAPIDispatch.cpp>
#ifdef __clang__
#pragma clang diagnostic pop
#endif
#endif
extern "C" {