postgres@devpg:/usr/src/postgresql-9.2.0/contrib/lesslog$ make
make -f Makefile.pg_compresslog ALL
make[1]: Entering directory `/usr/src/postgresql-9.2.0/contrib/lesslog'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -I. -I. -I../../src/include -D_GNU_SOURCE   -c -o pg_compresslog.o pg_compresslog.c
pg_compresslog.c:56: warning: 'recopy_file' declared 'static' but never defined
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -I. -I. -I../../src/include -D_GNU_SOURCE   -c -o file.o file.c
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -I. -I. -I../../src/include -D_GNU_SOURCE   -c -o debug.o debug.c
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -I. -I. -I../../src/include -D_GNU_SOURCE   -c -o remove.o remove.c
remove.c: In function 'remove_bkp_block':
remove.c:75: error: 'XLR_BKP_REMOVABLE' undeclared (first use in this function)
remove.c:75: error: (Each undeclared identifier is reported only once
remove.c:75: error: for each function it appears in.)
remove.c:182: error: 'XLOG_GIN_INSERT' undeclared (first use in this function)
remove.c:184: error: 'XLOG_GIN_VACUUM_PAGE' undeclared (first use in this function)
remove.c:186: error: 'XLOG_GIN_DELETE_PAGE' undeclared (first use in this function)
make[1]: *** [remove.o] Error 1
make[1]: Leaving directory `/usr/src/postgresql-9.2.0/contrib/lesslog'
make: *** [all] Error 2