This happens to me too sometimes, but I can't figure out the pattern. In that case I have to edit configure.ac again.
27.07.2018 1:40, Samuel Thibault пишет: > Hello, > > I have been hit several time by autoheader not getting restarted when I > add an AC_CHECK_HEADERS and run make in a subdir. The attached tarball > contains a testcase: > > $ autoreconf -fi > $ ./configure && make > $ sed -ie "s/printf/printf scanf/" configure.ac > $ make -C tmp > $ grep SCANF config.h.in > > the sed command simulates an addition of a new function check. Running > make -C tmp does trigger some autoconf, but not autoheader, and thus > config.h.in does not contain HAVE_SCANF as grep checks. > > Using only make does get autoheader triggered, but make -C tmp should as > well, since typically I'd want to add a AC_CHECK_HEADERS for something > that I am doing in a subdir and want #ifdef HAVE_FOO to be immediately > available without having to start autoheader by hand. > > Samuel >
