X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=mk%2Fcabal-flags.mk;h=bfa11a84b05b52ab6d48ef94a3abe4cd1b68eda8;hb=5892af0e08fdb890b5a0b9a64346d9f7773a6ed8;hp=7a137ced4d190306c07f41f35f277d5c2c06ee54;hpb=64137b1730defb4cb5ed95c54eec26014ee0fb27;p=ghc-hetmet.git

diff --git a/mk/cabal-flags.mk b/mk/cabal-flags.mk
index 7a137ce..bfa11a8 100644
--- a/mk/cabal-flags.mk
+++ b/mk/cabal-flags.mk
@@ -1,6 +1,7 @@
 
 nothing=
 space=$(nothing) $(nothing)
+comma=,
 
 GHC_PKG_INSTALL_PROG = $(FPTOOLS_TOP_ABS)/utils/ghc-pkg/dist-install/build/ghc-pkg/ghc-pkg
 
@@ -11,6 +12,11 @@ INSTALL_PACKAGE = \
     $(UTILS_ABS)/installPackage/install-inplace/bin/installPackage
 STAGE3_PACKAGE_CONF = $(FPTOOLS_TOP_ABS)/stage3.package.conf
 
+# Euch, hideous hack:
+CABAL_DOTTED_VERSION = $(shell grep "^Version:" $(LIBRARIES_ABS)/Cabal/Cabal.cabal | sed "s/^Version: //")
+CABAL_VERSION = $(subst .,$(comma),$(CABAL_DOTTED_VERSION))
+CABAL_CONSTRAINT = --constraint="Cabal == $(CABAL_DOTTED_VERSION)"
+
 # We rely on all the CONFIGURE_ARGS being quoted with '...', and there
 # being no 's inside the values.
 FLAGGED_CONFIGURE_ARGS = $(subst $(space)',\