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I am writing a master makefile to compile and install multiple autoconf based libraries, which depend on each other. All works well for the first go. The issue is: if I am working on one of these libraries individually and do “make && make install” header files in the prefix folder are overwritten (even if they are untouched). This causes all dependent libraries to compile from scratch.
Is there a way to avoid the unnecessary recompiles without hacking into the makefiles?
Maybe the solution is a little late, but
fixes the recompilation problem. This flag makes GNU install set the timestamps of the installed files to the timestamps of the built files.