[PATCH 3/4] src/Versions.in: Add guards for pcm and timer syms

[Nicholas Vinson <nvinson234@xxxxxxxxx>]

Configure script allows for the disabling of the pcm module. When
disabled, the pcm symbols will not be available. Add guards to remove
symbols from version map when not present.

Signed-off-by: Nicholas Vinson <nvinson234@xxxxxxxxx>
---
 src/Makefile.am    |  3 +++
 src/Versions.in.in | 13 +++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/Makefile.am b/src/Makefile.am
index b4a0d5d9..ad5bf8ef 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -26,6 +26,9 @@ SUBDIRS += mixer
 libasound_la_LIBADD += mixer/libmixer.la
 endif
 if BUILD_PCM
+if VERSIONED_SYMBOLS
+VERSION_CPPFLAGS += -DHAVE_PCM_SYMS -DHAVE_TIMER_SYMS
+endif
 SUBDIRS += pcm timer
 libasound_la_LIBADD += pcm/libpcm.la timer/libtimer.la
 endif
diff --git a/src/Versions.in.in b/src/Versions.in.in
index 041eff08..98f36ded 100644
--- a/src/Versions.in.in
+++ b/src/Versions.in.in
@@ -16,6 +16,7 @@ ALSA_0.9 {
 };
 
 ALSA_0.9.0rc4 {
+#ifdef HAVE_PCM_SYMS
   global:
 
     @SYMBOL_PREFIX@snd_pcm_hw_params_get_access;
@@ -42,6 +43,7 @@ ALSA_0.9.0rc4 {
     @SYMBOL_PREFIX@snd_pcm_hw_params_get_rate_max;
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_near;
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_first;
+
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_last;
 
     @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_time;
@@ -85,22 +87,29 @@ ALSA_0.9.0rc4 {
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_near;
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_first;
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_last;
+#endif
 
 } ALSA_0.9;
 
 ALSA_0.9.0rc8 {
+#ifdef HAVE_PCM_SYMS
   global:
 
     @SYMBOL_PREFIX@snd_pcm_forward;
     @SYMBOL_PREFIX@snd_pcm_status_get_trigger_htstamp;
     @SYMBOL_PREFIX@snd_pcm_status_get_htstamp;
+#endif
 
 } ALSA_0.9.0rc4;
 
 ALSA_0.9.0 {
+#if defined HAVE_PCM_SYMS || defined HAVE_TIMER_SYMS
   global:
 
+#if defined HAVE_PCM_SYMS
     @SYMBOL_PREFIX@snd_pcm_type_name;
+#endif
+#ifdef HAVE_TIMER_SYMS
     @SYMBOL_PREFIX@snd_timer_query_info;
     @SYMBOL_PREFIX@snd_timer_query_params;
     @SYMBOL_PREFIX@snd_timer_query_status;
@@ -108,6 +117,8 @@ ALSA_0.9.0 {
     @SYMBOL_PREFIX@snd_timer_params_get_exclusive;
     @SYMBOL_PREFIX@snd_timer_params_set_filter;
     @SYMBOL_PREFIX@snd_timer_params_get_filter;
+#endif
+#endif
 } ALSA_0.9.0rc8;
 
 ALSA_0.9.3 {
@@ -146,11 +157,13 @@ ALSA_1.2.6 {
 } ALSA_1.1.6;
 
 ALSA_1.2.9 {
+#ifdef HAVE_PCM_SYMS
   global:
 
     @SYMBOL_PREFIX@snd_pcm_hw_params_is_perfect_drain;
     @SYMBOL_PREFIX@snd_pcm_hw_params_set_drain_silence;
     @SYMBOL_PREFIX@snd_pcm_hw_params_get_drain_silence;
+#endif
 } ALSA_1.2.6;
 
 ALSA_1.2.10 {
-- 
2.43.0