Hi, from yesterday codes, I got:

rxgpc# cd /usr/src/regress/lib/libc
rxgpc# make
all ===> _setjmp
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2   -Werror  -DTEST_U_SETJMP -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/_setjmp/../setjmp/jmptest.c
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc   -o _setjmptest -nostdlib  /usr/lib/crt0.o /usr/lib/crtbegin.o jmptest.o  -L/usr/lib  -lgcc -lc -lgcc /usr/lib/crtend.o
all ===> clone
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2 -g -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized  -Werror  -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/clone/clonetest.c
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc   -o clonetest -nostdlib  /usr/lib/crt0.o /usr/lib/crtbegin.o clonetest.o  -L/usr/lib  -lgcc -lc -lgcc /usr/lib/crtend.o
all ===> db
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2   -Werror  -g -D__DBINTERFACE_PRIVATE -DDEBUG -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/db/dbtest.c
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc   -o dbtest -nostdlib  /usr/lib/crt0.o /usr/lib/crtbegin.o dbtest.o  -L/usr/lib  -lgcc -lc -lgcc /usr/lib/crtend.o
all ===> div
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2  -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized  -Werror  -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/div/div.c
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc   -o div -nostdlib  /usr/lib/crt0.o /usr/lib/crtbegin.o div.o  -L/usr/lib  -lgcc -lc -lgcc /usr/lib/crtend.o
all ===> divrem
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2 -Wall -Wno-format -Wno-parentheses -Wno-uninitialized  -Werror  -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/divrem/divremtest.c
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc   -o divremtest -nostdlib  /usr/lib/crt0.o /usr/lib/crtbegin.o divremtest.o  -L/usr/lib  -lgcc -lc -lgcc /usr/lib/crtend.o
all ===> gen
all ===> gen/vis
/usr/src/tools/obj/tools.NetBSD-1.5ZC-i386/bin/i386--netbsdelf-gcc -O2   -Werror  -nostdinc -isystem /usr/include  -c /usr/src/regress/lib/libc/gen/vis/vistest.c
/usr/src/regress/lib/libc/gen/vis/vistest.c: In function `main':
/usr/src/regress/lib/libc/gen/vis/vistest.c:81: `VIS_HTTPSTYLE' undeclared (first use in this function)
/usr/src/regress/lib/libc/gen/vis/vistest.c:81: (Each undeclared identifier is reported only once
/usr/src/regress/lib/libc/gen/vis/vistest.c:81: for each function it appears in.)
*** Error code 1

Stop.
make: stopped in /usr/src/regress/lib/libc/gen/vis
*** Error code 1

Stop.
make: stopped in /usr/src/regress/lib/libc/gen
*** Error code 1

Stop.
make: stopped in /usr/src/regress/lib/libc

It seems someone forgot to define something.

-rxg