Mandrake compilation information (and bug, and info request)

Mandrake Cooker (9.2) gcc 3.2

>libpng12-config --version

1.2.5

And I get :

gcc -DHAVE_QE_CONFIG_H -DCONFIG_ALL_KMAPS -DCONFIG_UNICODE_JOIN -DCONFIG_ALL_MODES -Wall -g -O2 -march=i386 -falign-functions=0 -I./libqhtml -o html     
2png.o -c html2png.c
In file included from qe.h:18,
                 from html2png.c:19:
config.h:4:20: warning: multi-line string literals are deprecated 
html2png.c: In function `png_save':
html2png.c:229: warning: passing arg 1 of `png_info_init_3' discards qualifiers from pointer target type


gcc  -Wl,-E -o html2png html2png.o util.o cutils.o arabic.o indic.o qfribidi.o display.o unicode_join.o charset.o charsetmore.o charset_table.o libf     
bf.o fbfrender.o cfb.o fbffonts.o \
                   -L./libqhtml -lqhtml -lpng
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `deflate'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `inflate'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `inflateInit_'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `crc32'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `pow'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `deflateInit2_'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `inflateReset'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `deflateReset'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `inflateEnd'
/usr/lib/gcc-lib/i586-mandrake-linux-gnu/3.2.3/../../../libpng.so: undefined reference to `deflateEnd'


M-x set-system font segfault here.

Is TAG file info handler (man ctags) is more indicated as a plugin or integrated in qemacs  ?

-Paul