This seems like something I ought to be able to find on google, but
I've been at it for hours, and I can't find the solution.
I've got mysql and mysql-devel installed (v 5.0.77 64 bit) on CentOS 5.
I've installed all sorts of gems, but I get the below. Any thoughts?
gem install mysql -v 2.8.1 -- --with-mysql-config=/usr/bin/mysql_config
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/usr/local/bin/ruby extconf.rb --with-mysql-config=/usr/bin/mysql_config
checking for mysql_ssl_set()... no
checking for rb_str_set_len()... no
checking for rb_thread_start_timer()... no
checking for mysql.h... no
checking for mysql/mysql.h... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
mkmf.log has this:
find_library: checking for mysql_query() in -lmysqlclient...
-------------------- no
"gcc -o conftest -I. -I/usr/lib64/ruby/1.8/x86_64-linux -I. -I/usr/
local/include -O2 -g -m64 -mtune=generic -Wall -fPIC conftest.c -
L"." -L"/usr/lib64" -L"/usr/local/lib" -L. -rdynamic -Wl,-export-
dynamic -lruby-static -lmysqlclient -lpthread -ldl -lcrypt -lm -
lc"
conftest.c: In function ‘t’:
conftest.c:3: error: ‘mysql_query’ undeclared (first use in this
function)
conftest.c:3: error: (Each undeclared identifier is reported only once
conftest.c:3: error: for each function it appears in.)
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { void ((*volatile p)()); p = (void ((*)()))mysql_query;
return 0; }
/* end */
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