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-rw-r--r--configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4000f022d..d223ca179 100644
--- a/configure.ac
+++ b/configure.ac
@@ -374,6 +374,10 @@ if test "x${host_os}" = "xlinux-gnu" ; then
AST_EXT_LIB_CHECK([CAP], [cap], [cap_from_text], [sys/capability.h])
fi
+# BSD might not have exp2, and/or log2
+AST_EXT_LIB_CHECK([EXP2], [m], [exp2])
+AST_EXT_LIB_CHECK([LOG2], [m], [log2])
+
GSM_INTERNAL="yes"
AC_SUBST(GSM_INTERNAL)
GSM_SYSTEM="yes"