From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 23 Oct 2025 13:38:44 +0000 (+0000)
Subject: configure: Fix detection for libsensors
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7351663e559764d38903ae21bdc689aeaea13779;p=telemetry.git

configure: Fix detection for libsensors

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/configure.ac b/configure.ac
index 2a0ae0a..6a02140 100644
--- a/configure.ac
+++ b/configure.ac
@@ -163,9 +163,15 @@ save_LIBS="$LIBS"
 # lm-sensors
 AC_CHECK_HEADERS([sensors/sensors.h sensors/errors.h])
 
-LIBS=
-AC_CHECK_LIB(sensors, sensors_init, [have_sensors=yes], [have_sensors=no])
-SENSORS_LIBS="$LIBS"
+LIBS="-lm"
+AC_CHECK_LIB([sensors], [sensors_init],
+	[have_sensors=yes; SENSORS_LIBS="-lsensors ${LIBS}"],
+	[have_sensors=no;  SENSORS_LIBS=""])
+
+if test "x$have_sensors" = "xyes"; then
+    AC_DEFINE([HAVE_SENSORS], [1], [Define if you have libsensors])
+fi
+
 AC_SUBST(SENSORS_LIBS)
 
 LIBS="$save_LIBS"