- -$(RM) -f stamp/configure.library.*.$*
- cd $* && setup/Setup configure \
- $(CONFIGURE_OPTS) \
- --prefix=$(prefix) \
- --with-compiler=../../compiler/ghc-inplace$(dot_bat) \
- --with-hc-pkg=../../utils/ghc-pkg/ghc-pkg-inplace$(dot_bat) \
- --with-hsc2hs=../../utils/hsc2hs/hsc2hs-inplace$(dot_bat) \
- --with-ld=$(LD) \
- --datasubdir=ghc \
- --haddock-args="--use-contents=../index.html --use-index=../doc-index.html" \
- --configure-option=--with-cc=$(CC)
- touch $@
+ -$(RM) -f stamp/configure.library.*.$* $*/unbuildable
+ ( cd $* && setup/Setup configure \
+ $(CONFIGURE_OPTS) \
+ --prefix=$(prefix) \
+ --with-compiler=../../compiler/ghc-inplace$(dot_bat) \
+ --with-hc-pkg=../../utils/ghc-pkg/ghc-pkg-inplace$(dot_bat) \
+ --with-hsc2hs=../../utils/hsc2hs/hsc2hs-inplace$(dot_bat) \
+ --with-ld=$(LD) \
+ --datasubdir=ghc \
+ --haddock-args="--use-contents=../index.html \
+ --use-index=../doc-index.html" \
+ $(addprefix --configure-option=,$(CONFIGURE_ARGS)) \
+ --configure-option=--with-cc=$(CC) ) \
+ && touch $@ || touch $*/unbuildable
+# We don't touch $@ if configure failed as we would prefer to try
+# configuring it next time round, rather than assuming it'll still fail.
+# This is particularly important for corelibs, where failure means the
+# build dies!