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The iPXE build system is constructed for a standalone codebase with no external dependencies, and does not have any equivalent of the standard userspace ./configure script. We currently check for the ability to include slirp/libslirp.h and conditionalise portions of linux_api.c on its presence. The actual slirp driver code is built unconditionally, as with all iPXE drivers. This currently leads to a silent runtime failure if attempting to use slirp.linux built on a system that was missing slirp/libslirp.h. Convert this to a link-time failure by deliberately omitting the relevant symbols from linux_api.c when slirp/libslirp.h is not present. This allows other builds (e.g. tap.linux or tests.linux) to succeed: the link-time failure will occur only if the slirp driver is included within the build target. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org