commit 746bb55851433a0709e277ea3e1838d0d9b77d9c Author: Nick Mathewson <nickm@torproject.org> Date: Sat Jan 10 16:06:25 2015 -0500 Ignore warning for redundant decl in openssl/srtp.h Backports some commits from tor master. --- changes/bug14220 | 4 ++++ src/common/tortls.c | 22 ++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/changes/bug14220 b/changes/bug14220 new file mode 100644 index 0000000..51cfa50 --- /dev/null +++ b/changes/bug14220 @@ -0,0 +1,4 @@ + o Minor bugfixes (compilation): + - Build without warnings with the stock OpenSSL srtp.h header, + which has a duplicate declaration of SSL_get_selected_srtp_profile(). + Fixes bug 14220; this is OpenSSL's bug, not ours. diff --git a/src/common/tortls.c b/src/common/tortls.c index 999d971..d637a8e 100644 --- a/src/common/tortls.c +++ b/src/common/tortls.c @@ -33,6 +33,20 @@ #include <ws2tcpip.h> #endif #endif + +#ifdef __GNUC__ +#define GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#endif + +#if __GNUC__ && GCC_VERSION >= 402 +#if GCC_VERSION >= 406 +#pragma GCC diagnostic push +#endif +/* Some versions of OpenSSL declare SSL_get_selected_srtp_profile twice in + * srtp.h. Suppress the GCC warning so we can build with -Wredundant-decl. */ +#pragma GCC diagnostic ignored "-Wredundant-decls" +#endif + #include <openssl/ssl.h> #include <openssl/ssl3.h> #include <openssl/err.h> @@ -41,6 +55,14 @@ #include <openssl/bio.h> #include <openssl/opensslv.h> +#if __GNUC__ && GCC_VERSION >= 402 +#if GCC_VERSION >= 406 +#pragma GCC diagnostic pop +#else +#pragma GCC diagnostic warning "-Wredundant-decls" +#endif +#endif + #ifdef USE_BUFFEREVENTS #include <event2/bufferevent_ssl.h> #include <event2/buffer.h>