Compiling php with curl, where is curl installed?

Question

I need to specify a directory when compiling php with --with-curl=

The curl binary is located at /usr/bin/curl

curl -V

Answer 1

If you're going to compile a 64bit version(x86_64) of php use: /usr/lib64/

For architectures (i386 ... i686) use /usr/lib/

I recommend compiling php to the same architecture as apache. As you're using a 64bit linux i asume your apache is also compiled for x86_64.