Can't find OpenSSL headers/libs when installing Ruby1.9 from source

I'm trying to install Ruby 1.9 from source, and I can't seem to get it to figure out where the OpenSSL headers and libraries are located. ruby-1.9.2/ex开发者_JS百科t/openssl/extconf.rb says it can't find openssl/ssl.h -- which I've very definitely installed in ~/.local/include (the corresponding OpenSSL library is in ~/.local/lib).

How can I tell Ruby where to look for C libraries and headers when compiling?

EDIT: fixed it, --with-openssl-dir=/home/<user>/.local/ was what I needed.

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Did you try -I ?

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Export CFLAGS with -I:

export CFLAGS="-I~/.local/include"

I'm not sure if ~ expansion will be done. If not, try using absolute paths:

export CFLAGS="-I/home/user/.local/include"

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--with-openssl-dir=/home/<user>/.local/ was the missing bit o' magic.