Add a LD_PRELOAD-able library to force Metacube output from FFmpeg.

[cubemap] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3155873e69200209f30c4755c3ccb67990d4d558..189e45f03d94ff38d321a60c1ed1422549a54b75 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,14 @@ PKG_CHECK_MODULES([libsystemd], [libsystemd])
 PKG_CHECK_MODULES([protobuf], [protobuf])
 PKG_CHECK_MODULES([libtomcrypt], [libtomcrypt])
 
+have_ffmpeg=yes
+PKG_CHECK_MODULES([libavformat], [libavformat], [true], [have_ffmpeg=no])
+PKG_CHECK_MODULES([libavutil], [libavutil], [true], [have_ffmpeg=no])
+AC_SUBST([have_ffmpeg])
+
+AS_IF([test "x$have_ffmpeg" = "xno" ],
+  [AC_MSG_WARN([FFmpeg libraries not found. ffmpeg_metacube_hack.so will not be built.])])
+
 CXXFLAGS="$CXXFLAGS -std=gnu++11"
 
 AC_CONFIG_FILES([Makefile])