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disable fstack usage

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It's only workable on gcc 4.6+... and in fact it's only
going to be interesting typically to the maintainer, so it's
commented out in Makefile.am.

Currently the worst remaining ones for x86_64 are

libwebsockets.c:2250:6:_lws_log	496	static
libwebsockets.c:2203:13:lwsl_emit_stderr	352	static
client.c:700:1:libwebsockets_generate_client_handshake	320	static
server.c:42:1:libwebsockets_decode_ssl_error	288	static
server-handshake.c:31:1:handshake_0405	272	static
client.c:368:1:lws_client_interpret_server_handshake	272	static
libwebsockets.c:447:1:libwebsockets_get_peer_addresses	256	static
daemonize.c:93:1:lws_daemonize	240	static
output.c:536:5:libwebsockets_serve_http_file	224	static
sha-1.c:131:1:sha1_step	192	static
sha-1.c:316:1:SHA1	160	static
libwebsockets.c:1604:1:libwebsocket_create_context	160	static

The top two there are error assembly buffers, they could be made
static but then they won't be usable from threaded user code.

Reported-by: Anders Brander <anders@brander.dk>
Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2013-02-13 09:08:43 +08:00
parent 0f13459048
commit 5b7312213e
1 changed files with 5 additions and 1 deletions
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6
lib/Makefile.am
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@ -44,9 +44,13 @@ else
dist_libwebsockets_la_SOURCES += sha-1.c
endif
libwebsockets_la_CFLAGS=-Wall -std=gnu99 -pedantic -fstack-usage
libwebsockets_la_CFLAGS=-Wall -std=gnu99 -pedantic
libwebsockets_la_LDFLAGS=
# uncomment below and use cat ./lib/.libs/*.su | sort -k2g | tac
# to get a worst-first list of static stack usage if you have gcc 4.6+
#libwebsockets_la_CFLAGS+= -fstack-usage
if USE_CYASSL
libwebsockets_la_LDFLAGS+= -lcyassl
endif