Embedded Linux for Developers

Problems with cross compiling

Sqlite3 is a well-behaved package and cross compiles nicely but not all packages are so tame. Typical pain points include:

• Home-grown build systems, zlib, for example, has a configure script but it does not behave like the Autotools configure described in the previous section
• Configure scripts that read pkg-config information, headers, and other files from the host, disregarding the --host override
• Scripts that insist on trying to run cross compiled code

Each case requires careful analysis of the error and additional parameters to the configure script to provide the correct information or patches to the code to avoid the problem altogether. Bear in mind that one package may have many dependencies, especially with programs ...