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php±àÒëgd³ö´í!(Òѽâ¾ö)
ÔÚ32λubuntu9.04ÉϱàÒëphp5.2.12,µ½gdʱmake³ö´í:
ext/gd/libgd/.libs/gd_png.o: In function
`php_gd_gdImageCreatefromPngCtx':
/home/test/php-5.2.12/ext/gd/libgd/gd_png.c:142: undefined reference to
`png_check_sig'
collect2: ld returned 1 exit status
make: *** [sapi/cli/php] ´íÎó 1
Ö±½ÓÏÂÔØgd,ÔÚgdĿ¼makeÒ²ÀàËƵĴí
gcc -g -O2 -o .libs/annotate annotate.o /usr/local/lib/libiconv.so
-Wl,-rpath -Wl,/usr/local/lib  -L/usr/local/lib
./.libs/libgd.so /usr/local/lib/libjpeg.so /usr/local/lib/libfreetype.so
/usr/local/lib/libpng14.so -lz -lm
./.libs/libgd.so: undefined reference to `png_check_sig'
collect2: ld returned 1 exit status
make[2]: *** [annotate] ´íÎó 1
make[2]:ÕýÔÚÀ뿪Ŀ¼ `/home/test/gd-2.0.35'
make[1]: *** [all-recursive] ´íÎó 1
make[1]:ÕýÔÚÀ뿪Ŀ¼ `/home/test/gd-2.0.35'
make: *** [all] ´íÎó 2
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[url]http://aspn.activestate.com/ASPN/Mail/Message/php-dev/3803631[/url]
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if (!png_check_sig (sig, 8)) { /* bad signature */
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if (png_sig_cmp (sig, 0, 8)) { /* bad signature */
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