36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
|
alsa-lib: conditionally enable libdl in AM_PATH_ALSA m4 macro
|
||
|
|
|
||
|
|
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>
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
diff --git a/utils/alsa.m4 b/utils/alsa.m4
|
||
|
|
--- 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)
|
||
|
|
|