1757932dfc
This commit adds a patch to alsa-lib that fixes an incorrect code dependency: some code built when MIDI support is enabled is unconditionally referencing code that is built when SEQ support is enabled, both options being independent. This causes build failures such as: /home/buildroot/buildroot-test/instance-1/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libasound.a(pcm_dmix.o): In function `snd_pcm_dmix_sync_ptr': pcm_dmix.c:(.text+0x83c): warning: /home/buildroot/buildroot-test/instance-1/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libasound.a(rawmidi_symbols.o):(.data+0x4): undefined reference to `_snd_module_rawmidi_virt' Fixes: http://autobuild.buildroot.net/results/5964e7028c31a8f75b38a27270410f0b3c5c8422/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> [Arnout: add upstream link to the patch] Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
From da16e18f03fc63e1206b93d6a719b177d4f4bb99 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Fri, 11 Aug 2017 22:33:01 +0200
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Subject: [PATCH] src/rawmidi/rawmidi_symbols.c: use rawmidi_virt only when
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available
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src/rawmidi/Makefile.am only brings rawmidi_virt.c into the build when
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BUILD_SEQ is defined (i.e when --enable-seq is passed). However,
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rawmidi_symbols.c unconditionally refers to _snd_module_rawmidi_virt,
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defined in rawmidi_virt.c.
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This causes a link failure when BUILD_SEQ is disabled. For example
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when linking ffmpeg against alsa-lib:
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/home/thomas/projets/buildroot/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libasound.a(pcm_dmix.o): In function `snd_pcm_dmix_sync_ptr':
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pcm_dmix.c:(.text+0x83c): warning:
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/home/thomas/projets/buildroot/output/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libasound.a(rawmidi_symbols.o):(.data+0x4): undefined reference to `_snd_module_rawmidi_virt'
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collect2: error: ld returned 1 exit status
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To fix this, we make sure that rawmidi_symbols.c only uses
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_snd_module_rawmidi_virt when available.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Patch sent upstream: https://www.spinics.net/lists/alsa-devel/msg65902.html
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---
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src/rawmidi/rawmidi_symbols.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/rawmidi/rawmidi_symbols.c b/src/rawmidi/rawmidi_symbols.c
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index cdc06d7..6473433 100644
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--- a/src/rawmidi/rawmidi_symbols.c
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+++ b/src/rawmidi/rawmidi_symbols.c
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@@ -21,11 +21,15 @@
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#ifndef PIC
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extern const char *_snd_module_rawmidi_hw;
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+#ifdef BUILD_SEQ
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extern const char *_snd_module_rawmidi_virt;
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+#endif
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static const char **snd_rawmidi_open_objects[] = {
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&_snd_module_rawmidi_hw,
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+#ifdef BUILD_SEQ
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&_snd_module_rawmidi_virt
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+#endif
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};
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void *snd_rawmidi_open_symbols(void)
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--
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2.9.4
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