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* sequencer module problems
@ 2003-03-19 10:45 Andrei Boros
  2003-03-19 11:29 ` Takashi Iwai
  0 siblings, 1 reply; 10+ messages in thread
From: Andrei Boros @ 2003-03-19 10:45 UTC (permalink / raw)
  To: alsa-devel

First of all, my make is 3.77 and lacks support for the  $(if
CONDITION,THEN-PART[,ELSE-PART])
function. So I tried to replace it by some sort of equivalent selected
by existing conditionals. 

As make does not support the syntax below, it ignore it. 

in alsa-driver/alsa-kernel/core/seq:
#
# this function returns:
#   "m" - CONFIG_SND_SEQUENCER is m
#   <empty string> - CONFIG_SND_SEQUENCER is undefined
#   otherwise parameter #1 value
#

sequencer = $(if $(subst y,,$(CONFIG_SND_SEQUENCER)),$(if $(1),m),$(if
$(CONFIG_SND_SEQUENCER),$(1)))


After reading some docs, I understand the following:
CONFIG_SND_SEQUENCER=m (actually set to anything but "y") -> if $(1) is
defined -> sequencer=m
CONFIG_SND_SEQUENCER=y -> sequencer=$(1), since the subsequent test will
always see it defined.
CONFIG_SND_SEQUENCER undefined -> sequencer = 


I checked the configure script and CONFIG_SND_SEQUENCER is set to "m" if
--with-sequencer=yes or is left undefined otherwise. So any other value
for CONFIG_SND_SEQUENCER is not possible. 

I checked that Makefile again and I see that all calls to the function
sequencer add $(RAWMIDI_OBJS), only some add $(OPL3_OBJS) and some add
individual modules. 

Then I believe the following could be done:

-obj-$(CONFIG_SND_SEQUENCER) += snd-seq.o snd-seq-device.o
+obj-$(CONFIG_SND_SEQUENCER) += snd-seq.o snd-seq-device.o
$(RAWMIDI_OBJS)

Then, 

# Toplevel Module Dependency
obj-$(CONFIG_SND_VIRMIDI) += snd-seq-virmidi.o snd-seq-midi-event.o
ifeq ($(CONFIG_SND_SEQUENCER),m)
obj-$($(CONFIG_SND_SERIAL_U16550)) +=
obj-$($(CONFIG_SND_MTPAV)) += 
obj-$($(CONFIG_SND_MPU401)) += 
obj-$($(CONFIG_SND_ALS100)) += $(OPL3_OBJS)
obj-$($(CONFIG_SND_AZT2320)) += $(OPL3_OBJS)
obj-$($(CONFIG_SND_DT019X)) += $(OPL3_OBJS)
[snip]
obj-$($(CONFIG_SND_CS46XX)) += 
obj-$($(CONFIG_SND_EMU10K1)) += snd-seq-midi-emul.o snd-seq-virmidi.o
obj-$($(CONFIG_SND_TRIDENT)) += snd-seq-midi-emul.o snd-seq-instr.o
obj-$($(CONFIG_SND_YMFPCI)) += $(OPL3_OBJS)
obj-$($(CONFIG_SND_USB_AUDIO)) += 
obj-$($(CONFIG_SND_HDSP)) += 
endif

obj-m := $(sort $(obj-m))

Then, the sequencer function above is no longer needed.


-- 
ing. Andrei Boros
mailto:andrei@srr.ro / +40-21-303-1870
Centrul pt. Tehnologia Informatiei
Societatea Romana de Radiodifuziune


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^ permalink raw reply	[flat|nested] 10+ messages in thread
end of thread, other threads:[~2003-03-20 10:58 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2003-03-19 10:45 sequencer module problems Andrei Boros
2003-03-19 11:29 ` Takashi Iwai
     [not found]   ` <3E7863A8.B5BACE35@srr.ro>
2003-03-19 13:41     ` Takashi Iwai
2003-03-20  8:17   ` Typo in configure.in : dummy sequencer Andrei Boros
2003-03-20  8:28     ` Jaroslav Kysela
2003-03-20  8:20   ` alsa-driver, make 3.79, cvscompile Andrei Boros
2003-03-20 10:33     ` Takashi Iwai
     [not found]       ` <3E799CB6.EB6ED828@srr.ro>
2003-03-20 10:58         ` Takashi Iwai
2003-03-20  8:28   ` dummy sequencer module problems Andrei Boros
2003-03-20 10:32     ` Takashi Iwai

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