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When configuring alsa-utils, it will use the hosts <ncurses.h>
See: alsa-utils <VERSION> / alsamixer/.deps/alsamicer.Po
This will, on OpenSuSE 11.0, and possibly other distributions
result in that the preprocessor directive:
#define acs_map _nc_acs_map
which is present in the Buildroot build of ncurses,
is not executed, and the
extern <chartype> acs_map[];
declaration in the host ncurses will
result in an undefined symbol: acs_map.
This patches give up trying to force alsa-utils to use the correct
ncurses, and just defines a byte with the needed symbol.
diff -urN alsa-utils-1.0.18-0rig//alsamixer/alsamixer.c alsa-utils-1.0.18/alsamixer/alsamixer.c
--- alsa-utils-1.0.18-0rig//alsamixer/alsamixer.c 2008-10-29 13:42:11.000000000 +0100
+++ alsa-utils-1.0.18/alsamixer/alsamixer.c 2009-01-22 23:35:29.000000000 +0100
@@ -115,6 +115,10 @@
#include <sys/time.h>
#include <locale.h>
+/* Ugly hack to get rid of undefined "acs_map" */
+/* This is caused by configure using host ncurses.h */
+/* instead of buildroot's ncurses.h */
+unsigned long acs_map[1];
#ifndef CURSESINC
#include <ncurses.h>
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