Don't put directories for unbuildable libraries in bindists

We think there is a library there, and then installPackage fails to
install it.

diff --git a/libraries/Makefile b/libraries/Makefile
index 5b8447f..5ba4d70 100644 (file)
--- a/libraries/Makefile
+++ b/libraries/Makefile
@@ -343,8 +343,8 @@ endif
 
 $(foreach SUBDIR,$(SUBDIRS),binary-dist.library.$(SUBDIR)): \
 binary-dist.library.%:
-       $(MKDIRHIER) $(BIN_DIST_LIBDIR)/$*
        if ifBuildable/ifBuildable $*; then \
+         $(MKDIRHIER) $(BIN_DIST_LIBDIR)/$* \
          cd $* && \
          cp    $*.cabal      $(BIN_DIST_LIBDIR)/$* && \
          cp    LICENSE       $(BIN_DIST_LIBDIR)/$* && \