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[libvirt] [PATCH] maint: detect clang 2.9

In Fedora 15, with clang 2.8, 'scan-build env' shows:
CCC_ANALYZER_ANALYSIS=-analyzer-check-objc-mem -analyzer-check-security-syntactic -analyzer-check-dead-stores -analyzer-check-objc-unused-ivars -analyzer-check-objc-methodsigs

But in rawhide, with clang 2.9, the same variable is set but
empty, implying the default set of analysis.  We still want
sa_assert defined in that case, to stop clang from hitting
false positives.

* configure.ac (STATIC_ANALYSIS): Detect clang even when the set
of analyses is the default.

I'm pushing this under the trivial rule.  It has no effect on
a real build, but makes it easier for me to repeat my clang
testing on rawhide.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7c68bca..314a594 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2297,7 +2297,7 @@ cp -f COPYING.LIB COPYING

 # Detect when running under the clang static analyzer's scan-build driver
 # or Coverity-prevent's cov-build.  Define STATIC_ANALYSIS accordingly.
   [Define to 1 when performing static analysis.])


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