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-rw-r--r--gnu/local.mk3
-rw-r--r--gnu/packages/linux.scm9
-rw-r--r--gnu/packages/patches/alsa-lib-add-environment-variable.patch110
3 files changed, 120 insertions, 2 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index aef0b521cc..3859b8b2d0 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1,4 +1,4 @@
-# GNU Guix --- Functional package management for GNU
+ GNU Guix --- Functional package management for GNU
# Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Andreas Enge <andreas@enge.fr>
# Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
@@ -560,6 +560,7 @@ dist_patch_DATA = \
%D%/packages/patches/aegis-test-fixup-1.patch \
%D%/packages/patches/aegis-test-fixup-2.patch \
%D%/packages/patches/agg-am_c_prototype.patch \
+ %D%/packages/patches/alsa-lib-add-environment-variable.patch \
%D%/packages/patches/amule-crypto-6.patch \
%D%/packages/patches/ansible-wrap-program-hack.patch \
%D%/packages/patches/antiword-CVE-2014-8123.patch \
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 7ba011bd21..466daeb2cf 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -974,8 +974,15 @@ intercept and print the system calls executed by the program.")
version ".tar.bz2"))
(sha256
(base32
- "096pwrnhj36yndldvs2pj4r871zhcgisks0is78f1jkjn9sd4b2z"))))
+ "096pwrnhj36yndldvs2pj4r871zhcgisks0is78f1jkjn9sd4b2z"))
+ (patches (search-patches "alsa-lib-add-environment-variable.patch"))))
(build-system gnu-build-system)
+ (native-search-paths
+ (list (search-path-specification
+ (variable "ALSA_PLUGIN_DIR")
+ (file-type 'regular)
+ (separator #f) ;single entry
+ (files '("lib/alsa-lib")))))
(home-page "https://www.alsa-project.org/")
(synopsis "The Advanced Linux Sound Architecture libraries")
(description
diff --git a/gnu/packages/patches/alsa-lib-add-environment-variable.patch b/gnu/packages/patches/alsa-lib-add-environment-variable.patch
new file mode 100644
index 0000000000..a468a7fc4f
--- /dev/null
+++ b/gnu/packages/patches/alsa-lib-add-environment-variable.patch
@@ -0,0 +1,110 @@
+From 1822fb453128a1b5de93b4c590cd272d6488a077 Mon Sep 17 00:00:00 2001
+From: Julien Lepiller <julien@lepiller.eu>
+Date: Fri, 25 May 2018 19:26:58 +0200
+Subject: [PATCH] Add support for a ALSA_PLUGIN_DIR environment variable.
+
+If it is not set, default to previous behavior.
+---
+ src/control/control.c | 6 +++++-
+ src/dlmisc.c | 9 +++++++--
+ src/pcm/pcm.c | 9 +++++++--
+ src/pcm/pcm_rate.c | 13 +++++++++----
+ 4 files changed, 28 insertions(+), 9 deletions(-)
+
+diff --git a/src/control/control.c b/src/control/control.c
+index 11f7815..9dba7dd 100644
+--- a/src/control/control.c
++++ b/src/control/control.c
+@@ -1331,7 +1331,11 @@ static int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
+ build_in++;
+ }
+ if (*build_in == NULL) {
+- buf1 = malloc(strlen(str) + sizeof(ALSA_PLUGIN_DIR) + 32);
++ char* plugdir = ALSA_PLUGIN_DIR;
++ char* envplugdir = getenv("ALSA_PLUGIN_DIR");
++ if(envplugdir != NULL)
++ plugdir = envplugdir;
++ buf1 = malloc(strlen(str) + strlen(plugdir) + 32);
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto _err;
+diff --git a/src/dlmisc.c b/src/dlmisc.c
+index 3757d33..92aa864 100644
+--- a/src/dlmisc.c
++++ b/src/dlmisc.c
+@@ -82,9 +82,14 @@ void *snd_dlopen(const char *name, int mode, char *errbuf, size_t errbuflen)
+ char *filename = NULL;
+
+ if (name && name[0] != '/') {
+- filename = alloca(sizeof(ALSA_PLUGIN_DIR) + 1 + strlen(name) + 1);
++ char* plugdir = ALSA_PLUGIN_DIR;
++ char* envplugdir = getenv("ALSA_PLUGIN_DIR");
++ if(envplugdir != NULL)
++ plugdir = envplugdir;
++
++ filename = malloc(strlen(plugdir) + 1 + strlen(name) + 1);
+ if (filename) {
+- strcpy(filename, ALSA_PLUGIN_DIR);
++ strcpy(filename, plugdir);
+ strcat(filename, "/");
+ strcat(filename, name);
+ handle = dlopen(filename, mode);
+diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
+index 11aec80..590e8b6 100644
+--- a/src/pcm/pcm.c
++++ b/src/pcm/pcm.c
+@@ -2496,13 +2496,18 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
+ build_in++;
+ }
+ if (*build_in == NULL) {
+- buf1 = malloc(strlen(str) + sizeof(ALSA_PLUGIN_DIR) + 32);
++ char* plugdir = ALSA_PLUGIN_DIR;
++ char* envplugdir = getenv("ALSA_PLUGIN_DIR");
++ if(envplugdir != NULL)
++ plugdir = envplugdir;
++ buf1 = malloc(strlen(str) + strlen(plugdir) + 32);
++
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ lib = buf1;
+- sprintf(buf1, "%s/libasound_module_pcm_%s.so", ALSA_PLUGIN_DIR, str);
++ sprintf(buf1, "%s/libasound_module_pcm_%s.so", plugdir, str);
+ }
+ }
+ #ifndef PIC
+diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c
+index 4e0c7ca..8694a38 100644
+--- a/src/pcm/pcm_rate.c
++++ b/src/pcm/pcm_rate.c
+@@ -1260,7 +1260,8 @@ static const char *const default_rate_plugins[] = {
+
+ static int rate_open_func(snd_pcm_rate_t *rate, const char *type, const snd_config_t *converter_conf, int verbose)
+ {
+- char open_name[64], open_conf_name[64], lib_name[128], *lib = NULL;
++ char open_name[64], open_conf_name[64], *lib = NULL;
++ char *buf1;
+ snd_pcm_rate_open_func_t open_func;
+ snd_pcm_rate_open_conf_func_t open_conf_func;
+ int err;
+@@ -1268,9 +1269,13 @@ static int rate_open_func(snd_pcm_rate_t *rate, const char *type, const snd_conf
+ snprintf(open_name, sizeof(open_name), "_snd_pcm_rate_%s_open", type);
+ snprintf(open_conf_name, sizeof(open_conf_name), "_snd_pcm_rate_%s_open_conf", type);
+ if (!is_builtin_plugin(type)) {
+- snprintf(lib_name, sizeof(lib_name),
+- "%s/libasound_module_rate_%s.so", ALSA_PLUGIN_DIR, type);
+- lib = lib_name;
++ char* plugdir = ALSA_PLUGIN_DIR;
++ char* envplugdir = getenv("ALSA_PLUGIN_DIR");
++ if(envplugdir != NULL)
++ plugdir = envplugdir;
++ buf1 = malloc(strlen(type) + strlen(plugdir) + 32);
++ sprintf(buf1, "%s/libasound_module_rate_%s.so", plugdir, type);
++ lib = buf1;
+ }
+
+ rate->rate_min = SND_PCM_PLUGIN_RATE_MIN;
+--
+2.17.0
+
generated by cgit v1.2.3 (git 2.45.0) at 2024-12-02 15:35:17 +0000