dlmisc.c: fix uclibc build

RTLD_DL_LINKMAP & RTLD_DI_ORIGIN, are unsupported on uClibc:
https://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git/tree/include/dlfcn.h#n106

This patch adds detection for uClibc because uClibc also defines
__GLIBC__:
https://lists.gnu.org/archive/html/bug-gnulib/2010-11/msg00280.html

BugLink: https://github.com/alsa-project/alsa-lib/pull/58
From: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/dlmisc.c b/src/dlmisc.c
index 5d67214..ca94b12 100644 (file)
--- a/src/dlmisc.c
+++ b/src/dlmisc.c
@@ -69,7 +69,7 @@ static inline void snd_dlpath_unlock(void) {}
 int snd_dlpath(char *path, size_t path_len, const char *name)
 {
 #ifdef HAVE_LIBDL
-#ifdef __GLIBC__
+#if defined(__GLIBC__) && !defined(__UCLIBC__)
        static int plugin_dir_set = 0;
        snd_dlpath_lock();
        if (!plugin_dir_set) {