X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=docs%2Fusers_guide%2Fghc.mk;h=ceb6db4d36e03b1785aa6140208d8663e7667dd9;hb=1c83695b5b9ae3175c18908c1d58aeadb1f225ae;hp=bae39adce8f41181ba1c9ffeae5fa68b609ec32d;hpb=34cc75e1a62638f2833815746ebce0a9114dc26b;p=ghc-hetmet.git

diff --git a/docs/users_guide/ghc.mk b/docs/users_guide/ghc.mk
index bae39ad..ceb6db4 100644
--- a/docs/users_guide/ghc.mk
+++ b/docs/users_guide/ghc.mk
@@ -1,3 +1,14 @@
+# -----------------------------------------------------------------------------
+#
+# (c) 2009 The University of Glasgow
+#
+# This file is part of the GHC build system.
+#
+# To understand how the build system works and how to modify it, see
+#      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
+#      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
+#
+# -----------------------------------------------------------------------------
 
 docs/users_guide_DOCBOOK_SOURCES := \
     $(wildcard docs/users_guide/*.xml) \
@@ -5,3 +16,18 @@ docs/users_guide_DOCBOOK_SOURCES := \
 
 $(eval $(call docbook,docs/users_guide,users_guide))
 
+# Hack: dblatex normalises the name of the input file using
+# os.path.realpath, which means that if we're in a linked build tree,
+# it won't be able to find ug-book.xml which is in the build tree but
+# not in the source tree.  Hence, we copy ug-book.xml to the source
+# tree.  This is a horrible hack, but I can't find a better way to do
+# it --SDM (2009-05-11)
+
+build_ug_book = docs/users_guide/ug-book.xml
+src_ug_book  = $(dir $(realpath $(dir $(build_ug_book))/ug-book.xml.in))ug-book.xml
+
+ifneq "$(build_ug_book)" "$(src_ug_book)"
+$(src_ug_book) : $(build_ug_book)
+	"$(CP)" $< $@
+docs/users_guide/users_guide.pdf docs/users_guide/users_guide.ps: $(src_ug_book)
+endif