gallium/hud: use #ifdef to test for macro existence

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/gallium/auxiliary/hud/hud_context.c

@@ -1201,7 +1201,7 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
       }
 
       /* Add a graph. */
-#if HAVE_GALLIUM_EXTRA_HUD || HAVE_LIBSENSORS
+#if defined(HAVE_GALLIUM_EXTRA_HUD) || defined(HAVE_LIBSENSORS)
       char arg_name[64];
 #endif
       /* IF YOU CHANGE THIS, UPDATE print_help! */
@@ -1229,7 +1229,7 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
       else if (strcmp(name, "main-thread-busy") == 0) {
          hud_thread_busy_install(pane, name, true);
       }
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
       else if (sscanf(name, "nic-rx-%s", arg_name) == 1) {
          hud_nic_graph_install(pane, arg_name, NIC_DIRECTION_RX);
       }
@@ -1261,7 +1261,7 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
          pane->type = PIPE_DRIVER_QUERY_TYPE_HZ;
       }
 #endif
-#if HAVE_LIBSENSORS
+#ifdef HAVE_LIBSENSORS
       else if (sscanf(name, "sensors_temp_cu-%s", arg_name) == 1) {
          hud_sensors_temp_graph_install(pane, arg_name,
                                         SENSORS_TEMP_CURRENT);
@@ -1536,12 +1536,12 @@ print_help(struct pipe_screen *screen)
       puts("    cs-invocations");
    }
 
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
    hud_get_num_disks(1);
    hud_get_num_nics(1);
    hud_get_num_cpufreq(1);
 #endif
-#if HAVE_LIBSENSORS
+#ifdef HAVE_LIBSENSORS
    hud_get_num_sensors(1);
 #endif
 

src/gallium/auxiliary/hud/hud_cpufreq.c

@@ -26,7 +26,7 @@
  *
  **************************************************************************/
 
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
 
 /* Purpose:
  * Reading /sys/devices/system/cpu/cpu?/cpufreq/scaling_???_freq

src/gallium/auxiliary/hud/hud_diskstat.c

@@ -26,7 +26,7 @@
  *
  **************************************************************************/
 
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
 
 /* Purpose: Reading /sys/block/<*>/stat MB/s read/write throughput per second,
  * displaying on the HUD.

src/gallium/auxiliary/hud/hud_nic.c

@@ -26,7 +26,7 @@
  *
  **************************************************************************/
 
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
 
 /* Purpose: Reading network interface RX/TX throughput per second,
  * displaying on the HUD.

src/gallium/auxiliary/hud/hud_private.h

@@ -178,7 +178,7 @@ void hud_batch_query_update(struct hud_batch_query_context *bq,
 void hud_batch_query_cleanup(struct hud_batch_query_context **pbq,
                              struct pipe_context *pipe);
 
-#if HAVE_GALLIUM_EXTRA_HUD
+#ifdef HAVE_GALLIUM_EXTRA_HUD
 int hud_get_num_nics(bool displayhelp);
 #define NIC_DIRECTION_RX 1
 #define NIC_DIRECTION_TX 2
@@ -199,7 +199,7 @@ int hud_get_num_cpufreq(bool displayhelp);
 void hud_cpufreq_graph_install(struct hud_pane *pane, int cpu_index, unsigned int mode);
 #endif
 
-#if HAVE_LIBSENSORS
+#ifdef HAVE_LIBSENSORS
 int hud_get_num_sensors(bool displayhelp);
 #define SENSORS_TEMP_CURRENT     1
 #define SENSORS_TEMP_CRITICAL    2

src/gallium/auxiliary/hud/hud_sensors_temp.c

@@ -26,7 +26,7 @@
  *
  **************************************************************************/
 
-#if HAVE_LIBSENSORS
+#ifdef HAVE_LIBSENSORS
 /* Purpose: Extract lm-sensors data, expose temperature, power, voltage. */
 
 #include "hud/hud_private.h"