configure: Fix check for libtpmtss to build it only when needed

Testing for x$tpm always yields true, hence libtpmtss is built even if it
is unneeded. Properly test against xtrue as we do in all other tests.

diff --git a/configure.ac b/configure.ac
index 1670b01aca0e4414197ab2a31807e16e5a1ce314..6bafe5fbbf1149bebebf0d306e010fc7d24111cc 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1709,7 +1709,7 @@ AM_CONDITIONAL(USE_LIBNTTFFT, test x$bliss = xtrue -o x$newhope = xtrue)
 AM_CONDITIONAL(USE_LIBTNCIF, test x$tnc_tnccs = xtrue -o x$imcv = xtrue)
 AM_CONDITIONAL(USE_LIBTNCCS, test x$tnc_tnccs = xtrue)
 AM_CONDITIONAL(USE_LIBPTTLS, test x$tnc_tnccs = xtrue)
-AM_CONDITIONAL(USE_LIBTPMTSS, test x$tss_trousers = xtrue -o x$tss_tss2 = xtrue -o x$tpm -o x$aikgen = xtrue -o x$imcv = xtrue)
+AM_CONDITIONAL(USE_LIBTPMTSS, test x$tss_trousers = xtrue -o x$tss_tss2 = xtrue -o x$tpm = xtrue -o x$aikgen = xtrue -o x$imcv = xtrue)
 AM_CONDITIONAL(USE_FILE_CONFIG, test x$stroke = xtrue)
 AM_CONDITIONAL(USE_IPSEC_SCRIPT, test x$stroke = xtrue -o x$scepclient = xtrue -o x$conftest = xtrue)
 AM_CONDITIONAL(USE_LIBCAP, test x$capabilities = xlibcap)