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configure: Set _DARWIN_C_SOURCE while testing for struct ipv6_mreq 

On OS X, this struct is only available if _DARWIN_C_SOURCE is defined,
when we have _POSIX_C_SOURCE defined. This allows the struct to be found,
enabling proper IPv6 multicast functionality on OS X.

The define is already set within the file that uses the struct. Setting it
only for this test in configure avoids having to keep it defined for the
whole build.

Originally committed as revision 25370 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-10-06 12:30:17 +00:00
parent 0ada32c373
commit 9fd5f39b0e
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -2794,7 +2794,7 @@ texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
if enabled network; then
check_type "sys/types.h sys/socket.h" socklen_t
check_type netdb.h "struct addrinfo"
check_type netinet/in.h "struct ipv6_mreq"
check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
check_type netinet/in.h "struct sockaddr_in6"
check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len