diff options
| -rw-r--r-- | Makefile | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -58,8 +58,12 @@ aconfig.h: MCONFIG # Adding "configure" to the dependencies serializes this with running # autoconf, because there are apparently race conditions between -# autoconf and autoheader. -aconfig.h.in: configure.in configure aclocal.m4 +# autoconf and autoheader. And worse than that, even when autoconf +# cleanly returns first, autoheader will truncate the timestamp of +# aconfig.h.in to second resolution, so on a filesystem with subsecond +# resolution it can appear older than configure (which isn't truncated). +# So make it an order-only prerequisite to avoid looping regenerating it. +aconfig.h.in: configure.in aclocal.m4 | configure rm -f aconfig.h.in aconfig.h autoheader |