From d162994a81a311a8dd212a50a2d2ad2b088df97f Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sat, 10 Sep 2011 10:23:50 -0400 Subject: [PATCH] doc: explain __STDC_CONSTANT_MACROS in C++ In order to build C++ programs using libav you need -D__STDC_CONSTANT_MACROS appened to the CXXFLAGS. --- doc/faq.texi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/faq.texi b/doc/faq.texi index 42a135c429..affe88b813 100644 --- a/doc/faq.texi +++ b/doc/faq.texi @@ -440,6 +440,11 @@ encompassing your Libav includes using @code{extern "C"}. See @url{http://www.parashift.com/c++-faq-lite/mixing-c-and-cpp.html#faq-32.3} +@section I'm using libavutil from within my C++ application but the compiler complains about 'UINT64_C' was not declared in this scope + +Libav is a pure C project using C99 math features, in order to enable C++ +to use them you have to append -D__STDC_CONSTANT_MACROS to your CXXFLAGS + @section I have a file in memory / a API different from *open/*read/ libc how do I use it with libavformat? You have to implement a URLProtocol, see @file{libavformat/file.c} in