kumquat-buildroot/package/alsa-lib/0002-alsa-lib-conditionally-enable-libdl-in-AM_PATH_ALSA-.patch
Thomas Petazzoni b1c59c3027 package/alsa-lib: update upstream status of patches
The remaining two patches have been submitted upstream for inclusion,
so let's update their upstream status.

While at it, I update @free-electrons.com to @bootlin.com in the first
patch.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2018-11-07 23:47:40 +01:00

50 lines
1.7 KiB
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From 2aba563bd077fda94fb9c2c33002ee0ac119b345 Mon Sep 17 00:00:00 2001
From: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Date: Fri, 13 Apr 2018 09:13:46 +0200
Subject: [PATCH] alsa-lib: conditionally enable libdl in AM_PATH_ALSA m4 macro
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The AM_PATH_ALSA macro in utils/alsa.m4 unconditionally uses -ldl. This
breaks compilation of alsa-utils (and probably other packages using this
macro) for targets that do not support dynamic loading, such as for
Blackfin FLAT binaries.
This patch updates the macro to check if dlopen is available, and use that
result to conditionally add -ldl to the list of libraries.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
[Jörg: update for 1.1.6]
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Upstream: http://mailman.alsa-project.org/pipermail/alsa-devel/2018-November/141377.html
---
utils/alsa.m4 | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/utils/alsa.m4 b/utils/alsa.m4
index e12310df..a5c5a292 100644
--- a/utils/alsa.m4
+++ b/utils/alsa.m4
@@ -44,6 +44,8 @@ if test "$alsa_inc_prefix" != "" ; then
fi
AC_MSG_RESULT($ALSA_CFLAGS)
+AC_CHECK_LIB(c, dlopen, LIBDL="", [AC_CHECK_LIB(dl, dlopen, LIBDL="-ldl")])
+
dnl add any special lib dirs
AC_MSG_CHECKING(for ALSA LDFLAGS)
if test "$alsa_prefix" != "" ; then
@@ -52,7 +54,7 @@ if test "$alsa_prefix" != "" ; then
fi
dnl add the alsa library
-ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
+ALSA_LIBS="$ALSA_LIBS -lasound -lm $LIBDL -lpthread"
LIBS="$ALSA_LIBS $LIBS"
AC_MSG_RESULT($ALSA_LIBS)
--
2.14.3