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-rw-r--r--wiretap/Makefile.am4
-rw-r--r--wiretap/configure.in4
2 files changed, 6 insertions, 2 deletions
diff --git a/wiretap/Makefile.am b/wiretap/Makefile.am
index ecfc04692f..e85e7c3c60 100644
--- a/wiretap/Makefile.am
+++ b/wiretap/Makefile.am
@@ -72,8 +72,8 @@ EXTRA_DIST = \
$(GENERATOR_SOURCES) \
$(GENERATED_FILES)
-libwiretap_la_LIBADD = libwiretap_generated.la
-libwiretap_la_DEPENDENCIES = libwiretap_generated.la
+libwiretap_la_LIBADD = libwiretap_generated.la @LIBM@
+libwiretap_la_DEPENDENCIES = libwiretap_generated.la @LIBM@
RUNLEX = $(top_srcdir)/runlex.sh
diff --git a/wiretap/configure.in b/wiretap/configure.in
index 883bd6b8b2..b238f687ee 100644
--- a/wiretap/configure.in
+++ b/wiretap/configure.in
@@ -324,6 +324,10 @@ AC_ARG_WITH(pcap,
])
AC_WIRETAP_PCAP_CHECK
+# C libraries that are not libc (like ulibc) require -lm.
+AC_CHECK_LIBM
+AC_SUBST(LIBM)
+
dnl zlib check
AC_MSG_CHECKING(whether to use zlib for reading compressed capture files)