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Trivial Dead assignment fixes in configure 

Fixes a Dead assignment and unused variable warning.

With this patch and http://www.cmake.org/Bug/view.php?id=15203,
`scan-build cmake` will give zero warnings!

Change-Id: Idc7a03fbf1e8196bc139a2c6663ec48b897f2897
Reviewed-on: https://code.wireshark.org/review/7144
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
This commit is contained in:
Peter Wu 2015-02-16 00:14:18 +01:00 committed by Alexis La Goutte
parent a4b3be5e59
commit 0ce7fd4be6
2 changed files with 10 additions and 8 deletions
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9
ConfigureChecks.cmake
View File

@ -119,10 +119,11 @@ if (NL_FOUND)
"#include <linux/nl80211.h>
int main() {
int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
x = NL80211_ATTR_SUPPORTED_IFTYPES;
x = NL80211_ATTR_SUPPORTED_COMMANDS;
x = NL80211_ATTR_WIPHY_FREQ;
x = NL80211_CHAN_NO_HT;
x |= NL80211_ATTR_SUPPORTED_IFTYPES;
x |= NL80211_ATTR_SUPPORTED_COMMANDS;
x |= NL80211_ATTR_WIPHY_FREQ;
x |= NL80211_CHAN_NO_HT;
(void)x;
}"
HAVE_NL80211
)

9
configure.ac
View File

@ -718,10 +718,11 @@ linux*)
AC_MSG_CHECKING([if nl80211.h is new enough])
AC_TRY_COMPILE([#include <linux/nl80211.h>],
[int x = NL80211_FREQUENCY_ATTR_MAX_TX_POWER;
x = NL80211_ATTR_SUPPORTED_IFTYPES;
x = NL80211_ATTR_SUPPORTED_COMMANDS;
x = NL80211_ATTR_WIPHY_FREQ;
x = NL80211_CHAN_NO_HT;],
x |= NL80211_ATTR_SUPPORTED_IFTYPES;
x |= NL80211_ATTR_SUPPORTED_COMMANDS;
x |= NL80211_ATTR_WIPHY_FREQ;
x |= NL80211_CHAN_NO_HT;
(void)x;],
[AC_MSG_RESULT(yes) AC_DEFINE(HAVE_NL80211, 1, [nl80211.h is new enough])],
[AC_MSG_RESULT(no)])