devel/glib20 crapping out on compile

[Joseph A. Nagy, Jr]

Following is the result of attempting to compile devel/glib20 AFTER 
setting MAKE_JOBS_UNSAFE=yes (as per the ports request)

gnome-libtool: link: clang -Wall -Wstrict-prototypes 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=format-security -Werror=missing-include-dirs -pipe -g -pthread 
-o .libs/string string.o  -L/usr/local/lib 
../../glib/.libs/libglib-2.0.so -licui18n /usr/local/lib/libpcre.so -lm 
/usr/local/lib/libintl.so /usr/local/lib/libiconv.so -pthread -Wl,-rpath 
-Wl,/usr/local/lib
clang: warning: argument unused during compilation: '-g'
clang -DHAVE_CONFIG_H -I. -I../..  -g -I../.. -I../../glib -I../../glib 
-I../.. -DG_LOG_DOMAIN=\"GLib\" -DSRCDIR=\""."\" -DG_ENABLE_DEBUG 
-I/usr/local/include -pthread -Wall -Wstrict-prototypes 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=format-security -Werror=missing-include-dirs -pipe -g -MT 
testing.o -MD -MP -MF .deps/testing.Tpo -c -o testing.o testing.c
mv -f .deps/testing.Tpo .deps/testing.Po
/bin/sh /usr/ports/devel/glib20/work/gnome-libtool  --tag=CC 
--mode=link clang -Wall -Wstrict-prototypes 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=format-security -Werror=missing-include-dirs -pipe -g 
-L/usr/local/lib -pthread -o testing testing.o ../../glib/libglib-2.0.la 
-lm -lintl
gnome-libtool: link: clang -Wall -Wstrict-prototypes 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=format-security -Werror=missing-include-dirs -pipe -g -pthread 
-o .libs/testing testing.o  -L/usr/local/lib 
../../glib/.libs/libglib-2.0.so -licui18n /usr/local/lib/libpcre.so -lm 
/usr/local/lib/libintl.so /usr/local/lib/libiconv.so -pthread -Wl,-rpath 
-Wl,/usr/local/lib
clang: warning: argument unused during compilation: '-g'
clang -DHAVE_CONFIG_H -I. -I../..  -g -I../.. -I../../glib -I../../glib 
-I../.. -DG_LOG_DOMAIN=\"GLib\" -DSRCDIR=\""."\" -DG_ENABLE_DEBUG 
-I/usr/local/include -pthread -Wall -Wstrict-prototypes 
-Werror=implicit-function-declaration -Werror=init-self 
-Werror=format-security -Werror=missing-include-dirs -pipe -g -MT 
test-printf.o -MD -MP -MF .deps/test-printf.Tpo -c -o test-printf.o 
test-printf.c
test-printf.c:570:36: error: use of '%n' in format string discouraged 
(potentially insecure) [-Werror,-Wformat-security]
   res = g_snprintf (buf, 128, "abc%n", &i);
                                   ~^
test-printf.c:575:37: error: use of '%n' in format string discouraged 
(potentially insecure) [-Werror,-Wformat-security]
   res = g_snprintf (buf, 128, "abc%ln", &l);
                                   ~~^
2 errors generated.
gmake[4]: *** [test-printf.o] Error 1
gmake[4]: Leaving directory 
`/usr/ports/devel/glib20/work/glib-2.36.3/glib/tests'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory `/usr/ports/devel/glib20/work/glib-2.36.3/glib'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory `/usr/ports/devel/glib20/work/glib-2.36.3/glib'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/ports/devel/glib20/work/glib-2.36.3'
gmake: *** [all] Error 2
*** [do-build] Error code 1

Stop in /usr/ports/devel/glib20.
*** [install] Error code 1

Stop in /usr/ports/devel/glib20.

No clue what the problem is.

Not on list so please CC me in replies.
-- 
Yours in Christ,

Joseph A Nagy Jr
"Whoever loves instruction loves knowledge, But he who hates correction
is stupid." -- Proverbs 12:1
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