Check for --no-undefined linker flag and use it.

This adds extra safety that the built libraries will have all the
correct dependencies linked in.

Signed-off-by: Diego E. 'Flameeyes' Pettenò <flameeyes@gmail.com>

11 files changed, 12 insertions, 10 deletions

diff --git a/a52/Makefile.am b/a52/Makefile.am
index 4929c53..48567b4 100644
--- a/a52/Makefile.am
+++ b/a52/Makefile.am
@@ -4,7 +4,7 @@ asound_module_pcm_a52dir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@ @AVCODEC_CFLAGS@ \
 	-DAVCODEC_HEADER="@AVCODEC_HEADER@"
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_a52_la_SOURCES = pcm_a52.c
 libasound_module_pcm_a52_la_LIBADD = @ALSA_LIBS@ @AVCODEC_LIBS@
diff --git a/configure.in b/configure.in
index 249b837..fc6488b 100644
--- a/configure.in
+++ b/configure.in
@@ -12,6 +12,8 @@ AC_DISABLE_STATIC
 AM_PROG_LIBTOOL
 AC_HEADER_STDC
 
+CC_NOUNDEFINED
+
 PKG_CHECK_MODULES(ALSA, alsa >= 1.0.11)
 AC_CHECK_LIB(asound, snd_pcm_ioplug_create,,
 	     AC_ERROR([*** libasound has no external plugin SDK]), -ldl)
diff --git a/jack/Makefile.am b/jack/Makefile.am
index 551e5d7..f913cb6 100644
--- a/jack/Makefile.am
+++ b/jack/Makefile.am
@@ -3,7 +3,7 @@ asound_module_pcm_jack_LTLIBRARIES = libasound_module_pcm_jack.la
 asound_module_pcm_jackdir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@ @JACK_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_jack_la_SOURCES = pcm_jack.c
 libasound_module_pcm_jack_la_LIBADD = @ALSA_LIBS@ @JACK_LIBS@
diff --git a/maemo/Makefile.am b/maemo/Makefile.am
index c23d70e..124d17f 100644
--- a/maemo/Makefile.am
+++ b/maemo/Makefile.am
@@ -5,7 +5,7 @@ asound_module_pcm_alsa_dspdir = @ALSA_PLUGIN_DIR@
 asound_module_ctl_dsp_ctldir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -fPIC -DPIC -O2 @ALSA_CFLAGS@ $(DBUS_CFLAGS)
-AM_LDFLAGS = -shared -lm -ldl -lpthread -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -shared -lm -ldl -lpthread -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_alsa_dsp_la_SOURCES = dsp-protocol.c alsa-dsp.c
 libasound_module_pcm_alsa_dsp_la_LIBADD = @ALSA_LIBS@ $(DBUS_LIBS)
diff --git a/mix/Makefile.am b/mix/Makefile.am
index 59fe8bf..e31839a 100644
--- a/mix/Makefile.am
+++ b/mix/Makefile.am
@@ -5,7 +5,7 @@ asound_module_pcm_upmixdir = @ALSA_PLUGIN_DIR@
 asound_module_pcm_vdownmixdir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_upmix_la_SOURCES = pcm_upmix.c
 libasound_module_pcm_upmix_la_LIBADD = @ALSA_LIBS@
diff --git a/oss/Makefile.am b/oss/Makefile.am
index dca9eca..302538b 100644
--- a/oss/Makefile.am
+++ b/oss/Makefile.am
@@ -5,7 +5,7 @@ asound_module_pcm_ossdir = @ALSA_PLUGIN_DIR@
 asound_module_ctl_ossdir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_oss_la_SOURCES = pcm_oss.c
 libasound_module_pcm_oss_la_LIBADD = @ALSA_LIBS@
diff --git a/pph/Makefile.am b/pph/Makefile.am
index f40b783..915d646 100644
--- a/pph/Makefile.am
+++ b/pph/Makefile.am
@@ -3,7 +3,7 @@ asound_module_rate_speexrate_LTLIBRARIES = libasound_module_rate_speexrate.la
 asound_module_rate_speexratedir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -DVAR_ARRAYS -DRANDOM_PREFIX=alsa_lib -DOUTSIDE_SPEEX -Wall -g @ALSA_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_rate_speexrate_la_SOURCES = rate_speexrate.c
 libasound_module_rate_speexrate_la_LIBADD = @ALSA_LIBS@
diff --git a/pulse/Makefile.am b/pulse/Makefile.am
index 525a21c..e89e8ee 100644
--- a/pulse/Makefile.am
+++ b/pulse/Makefile.am
@@ -7,7 +7,7 @@ asound_module_ctldir = @ALSA_PLUGIN_DIR@
 asound_module_confdir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@ $(PTHREAD_CFLAGS) $(pulseaudio_CFLAGS) -D_GNU_SOURCE
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_pulse_la_SOURCES = pcm_pulse.c pulse.c pulse.h
 libasound_module_pcm_pulse_la_LIBADD = @ALSA_LIBS@ $(PTHREAD_LIBS) $(pulseaudio_LIBS)
diff --git a/rate-lavc/Makefile.am b/rate-lavc/Makefile.am
index 126cfcf..5cffd44 100644
--- a/rate-lavc/Makefile.am
+++ b/rate-lavc/Makefile.am
@@ -4,7 +4,7 @@ asound_module_rate_lavcratedir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@ @AVCODEC_CFLAGS@ \
 	-DAVCODEC_HEADER="@AVCODEC_HEADER@"
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_rate_lavcrate_la_SOURCES = rate_lavcrate.c
 libasound_module_rate_lavcrate_la_LIBADD = @ALSA_LIBS@ @AVCODEC_LIBS@
diff --git a/rate/Makefile.am b/rate/Makefile.am
index 53c9682..0605bfd 100644
--- a/rate/Makefile.am
+++ b/rate/Makefile.am
@@ -3,7 +3,7 @@ asound_module_rate_samplerate_LTLIBRARIES = libasound_module_rate_samplerate.la
 asound_module_rate_sampleratedir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@ $(samplerate_CFLAGS)
-AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined
+AM_LDFLAGS = -module -avoid-version -export-dynamic -no-undefined $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_rate_samplerate_la_SOURCES = rate_samplerate.c
 libasound_module_rate_samplerate_la_LIBADD = @ALSA_LIBS@ @samplerate_LIBS@
diff --git a/usb_stream/Makefile.am b/usb_stream/Makefile.am
index c57033f..50a98a0 100644
--- a/usb_stream/Makefile.am
+++ b/usb_stream/Makefile.am
@@ -3,7 +3,7 @@ asound_module_pcm_usb_stream_LTLIBRARIES = libasound_module_pcm_usb_stream.la
 asound_module_pcm_usb_streamdir = @ALSA_PLUGIN_DIR@
 
 AM_CFLAGS = -Wall -g @ALSA_CFLAGS@
-AM_LDFLAGS = -module -avoid-version -export-dynamic
+AM_LDFLAGS = -module -avoid-version -export-dynamic $(LDFLAGS_NOUNDEFINED)
 
 libasound_module_pcm_usb_stream_la_SOURCES = pcm_usb_stream.c
 libasound_module_pcm_usb_stream_la_LIBADD = @ALSA_LIBS@