diff options
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/configure.in b/configure.in index d7b009ced..8c0826f83 100644 --- a/configure.in +++ b/configure.in @@ -1850,8 +1850,17 @@ if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib target_configargs="--with-newlib ${target_configargs}" fi +# Different target subdirs use different values of certain variables +# (notably CXX). Worse, multilibs use *lots* of different values. +# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that +# it doesn't automatically accept command-line overrides of them. +# This means it's not safe for target subdirs to share a cache file, +# which is disgusting, but there you have it. Hopefully this can be +# fixed in future. It's still worthwhile to use a cache file for each +# directory. I think. + # Pass the appropriate --host, --build, and --cache-file arguments. -target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}" +target_configargs="--cache-file=config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}" # provide a proper gxx_include_dir. # Note, if you change the default, make sure to fix both here and in |