configure:25697: checking for curl_easy_perform in -lcurl configure:25716: gcc -o conftest -O2 -march=i486 -mtune=i686 -lcurl conftest.c -lcurl -lpcre -lresolv -lm -ldl -lnsl -lxml 2 -lz -lm 1>&5 /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../../i486-slackware-linux/bin/ld: warning: libidn.so.11, needed by /usr/lib/gcc /i486-slackware-linux/4.1.2/../../../libcurl.so, not found (try using -rpath or -rpath-link) /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `idna_to_ascii_lz' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `stringprep_locale_charset' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `idn_free' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `stringprep_check_version' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `idna_to_unicode_lzlz' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `tld_strerror' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `tld_check_lz' /usr/lib/gcc/i486-slackware-linux/4.1.2/../../../libcurl.so: undefined reference to `idna_strerror' collect2: ld returned 1 exit status configure: failed program was: #line 25705 "configure" #include "confdefs.h" /* Override any gcc2 internal prototype to avoid an error. */ /* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */ char curl_easy_perform(); int main() { curl_easy_perform() ; return 0; }