# Third-party libraries
lldp_CHECK_LIBEVENT
-PKG_CHECK_MODULES([libcap], [libcap >= 2], [
- AC_DEFINE([HAVE_LINUX_CAPABILITIES], 1, [Define to indicate support of linux capabilities])
-], [:])
+lldp_CHECK_LIBCAP
# Compatibility with pkg.m4 < 0.27
m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
--- /dev/null
+#
+# lldp_CHECK_LIBCAP
+#
+
+AC_DEFUN([lldp_CHECK_LIBCAP], [
+ PKG_CHECK_MODULES([libcap], [libcap >= 2], [
+ AC_DEFINE([HAVE_LINUX_CAPABILITIES], 1, [Define to indicate support of linux capabilities])
+ ], [
+ libcap_LIBS=-lcap
+ libcap_CFLAGS=
+ _save_libs="$LIBS"
+ LIBS="$LIBS ${libcap_LIBS}"
+ AC_MSG_CHECKING([libcap (without pkg-config)])
+ AC_TRY_LINK_FUNC([cap_set_proc], [
+ AC_DEFINE([HAVE_LINUX_CAPABILITIES], 1, [Define to indicate support of linux capabilities])
+ AC_MSG_RESULT(yes)
+ ], [
+ libcap_LIBS=
+ AC_MSG_RESULT(no)
+ ])
+ LIBS="$_save_libs"
+ ])
+ AC_SUBST([libcap_LIBS])
+ AC_SUBST([libcap_CFLAGS])
+])