The popt library is used by babeltrace but isn't checked in
configure.ac, so the compilation fails due to popt.h being missing if
popt is not already installed on the system.

Signed-off-by: Thomas Petazzoni <[email protected]>
---
 configure.ac |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index f8a80e5..4446f29 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,10 @@ AC_CHECK_LIB([uuid], [uuid_generate], [],
        [AC_MSG_ERROR([Cannot find libuuid. Use [LDFLAGS]=-Ldir to specify its 
location.])]
 )
 
+AC_CHECK_LIB([popt], [poptGetContext], [],
+        [AC_MSG_ERROR([Cannot find popt.])]
+)
+
 pkg_modules="gmodule-2.0 >= 2.0.0"
 PKG_CHECK_MODULES(GMODULE, [$pkg_modules])
 AC_SUBST(PACKAGE_LIBS)
-- 
1.7.4.1


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