Bug#319227: asterisk: ftbfs [sparc] static declaration of 'uniquelock' follows non-static declaration

Package: asterisk
Version: 1:1.0.9.dfsg-3
Severity: serious
Justification: fails to build from source

asterisk failed to build on a sparc buildd, duplicated on my sparc pbuilder:

gcc -pipe  -Wall -Wstrict-prototypes -Wmissing-prototypes 
-Wmissing-declarations -g  -Iinclude -I../include -D_REENTRANT -D_GNU_SOURCE  
-O2    -DZAPTEL_OPTIMIZATIONS  -DASTERISK_VERSION=\"\" -DINSTALL_PREFIX=\"\" 
-DASTETCDIR=\"/etc/asterisk\" -DASTLIBDIR=\"/usr/lib/asterisk\" 
-DASTVARLIBDIR=\"/var/lib/asterisk\" -DASTVARRUNDIR=\"/var/run/asterisk\" 
-DASTSPOOLDIR=\"/var/spool/asterisk\" -DASTDATADIR=\"/usr/share/asterisk\" 
-DASTLOGDIR=\"/var/log/asterisk\" -DASTCONFPATH=\"/etc/asterisk/asterisk.conf\" 
-DASTMODDIR=\"/usr/lib/asterisk/modules\" 
-DASTAGIDIR=\"/usr/share/asterisk/agi-bin\"     -DBUSYDETECT_MARTIN        -c 
-o loader.o loader.c
loader.c: In function 'verify_key':
loader.c:89: warning: pointer targets in passing argument 2 of 'MD5Update' 
differ in signedness
loader.c:90: warning: pointer targets in passing argument 1 of 'MD5Final' 
differ in signedness
loader.c:93: warning: pointer targets in passing argument 1 of 'printdigest' 
differ in signedness
gcc -pipe  -Wall -Wstrict-prototypes -Wmissing-prototypes 
-Wmissing-declarations -g  -Iinclude -I../include -D_REENTRANT -D_GNU_SOURCE  
-O2    -DZAPTEL_OPTIMIZATIONS  -DASTERISK_VERSION=\"\" -DINSTALL_PREFIX=\"\" 
-DASTETCDIR=\"/etc/asterisk\" -DASTLIBDIR=\"/usr/lib/asterisk\" 
-DASTVARLIBDIR=\"/var/lib/asterisk\" -DASTVARRUNDIR=\"/var/run/asterisk\" 
-DASTSPOOLDIR=\"/var/spool/asterisk\" -DASTDATADIR=\"/usr/share/asterisk\" 
-DASTLOGDIR=\"/var/log/asterisk\" -DASTCONFPATH=\"/etc/asterisk/asterisk.conf\" 
-DASTMODDIR=\"/usr/lib/asterisk/modules\" 
-DASTAGIDIR=\"/usr/share/asterisk/agi-bin\"     -DBUSYDETECT_MARTIN        -c 
-o config.o config.c
gcc -pipe  -Wall -Wstrict-prototypes -Wmissing-prototypes 
-Wmissing-declarations -g  -Iinclude -I../include -D_REENTRANT -D_GNU_SOURCE  
-O2    -DZAPTEL_OPTIMIZATIONS  -DASTERISK_VERSION=\"\" -DINSTALL_PREFIX=\"\" 
-DASTETCDIR=\"/etc/asterisk\" -DASTLIBDIR=\"/usr/lib/asterisk\" 
-DASTVARLIBDIR=\"/var/lib/asterisk\" -DASTVARRUNDIR=\"/var/run/asterisk\" 
-DASTSPOOLDIR=\"/var/spool/asterisk\" -DASTDATADIR=\"/usr/share/asterisk\" 
-DASTLOGDIR=\"/var/log/asterisk\" -DASTCONFPATH=\"/etc/asterisk/asterisk.conf\" 
-DASTMODDIR=\"/usr/lib/asterisk/modules\" 
-DASTAGIDIR=\"/usr/share/asterisk/agi-bin\"     -DBUSYDETECT_MARTIN        -c 
-o channel.o channel.c
channel.c:64: error: static declaration of 'uniquelock' follows non-static 
declaration
include/asterisk/channel.h:58: error: previous declaration of 'uniquelock' was 
here
make[1]: *** [channel.o] Error 1