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[libvirt] [PATCH 2/7] build: set STATIC_ANALYSIS when running via clang or coverity



From: Jim Meyering <meyering redhat com>

* configure.ac (STATIC_ANALYSIS): Define when run via clang's
scan-build or coverity-prevent's cov-build.
Use the CLANG_CC and COVERITY_BUILD_COMMAND envvars as witnesses.
---
 configure.ac |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3505b4a..664eaf0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2000,6 +2000,12 @@ AM_CONDITIONAL([WITH_MACVTAP], [test "$with_macvtap" = "yes"])
 test "x$srcdir" = x. && ! test -f COPYING &&
 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.
+test -n "$$CCC_ANALYZER_ANALYSIS$COVERITY_BUILD_COMMAND" && t=1 || t=0
+AC_DEFINE_UNQUOTED([STATIC_ANALYSIS], [$t],
+  [Define to 1 when performing static analysis.])
+
 AC_OUTPUT(Makefile src/Makefile include/Makefile docs/Makefile \
 	  docs/schemas/Makefile \
 	  gnulib/lib/Makefile \
-- 
1.7.1.rc1.248.gcefbb


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