Re: [PATCH 08/31] configure: ensure dependency for cross-compile setup

Paolo Bonzini <pbonzini(a)redhat.com&gt; writes: > On 9/25/23 16:48, Alex Bennée wrote: >> If we update configure we should make sure we regenerate all the >> compiler details. We should also ensure those details are upto date >> before building the TCG tests. >> Signed-off-by: Alex Bennée <alex.bennee(a)linaro.org&gt; >> --- >> configure | 2 ++ >> 1 file changed, 2 insertions(+) >> diff --git a/configure b/configure >> index e83872571d..a95e0f5767 100755 >> --- a/configure >> +++ b/configure >> @@ -1788,6 +1788,8 @@ for target in $target_list; do >> echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" >> fi >> + echo "$config_target_mak: configure" >> Makefile.prereqs > > This in practice is not adding anything; if "configure" changes then > Makefile's dependency on config-host.mak will trigger a configure > rerun anyway. > > If you want to add it, you should also add it for other config-*.mak > files. However, I'd remove this line and just change > > -# 1. ensure config-host.mak is up-to-date > +# 1. ensure config-host.mak is up-to-date. All other config-*.mak > +# files for subdirectories will be updated as well. Peter ran into a mismatch between config-host.mak and tests/tcg/foo/config-target.mak in his build system so it didn't get picked up at one point.