X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=mk%2Fconfig.mk.in;h=74589ae5ee2d511edb57a6db45b12fa99dcf260f;hb=689e628279a6bf932d996c3c132ab53f9587027e;hp=f4e156d66c7c190db7f202c2ef9a4d0ac82bb243;hpb=eacfbdedf46dcc3105de1bbf642cf2572526c705;p=ghc-hetmet.git

diff --git a/mk/config.mk.in b/mk/config.mk.in
index f4e156d..74589ae 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -531,7 +531,7 @@ ifeq "$(TARGETPLATFORM)" "i386-unknown-mingw32"
 DEFAULT_TMPDIR		= /C/TEMP
 endif
 
-# FPTOOLS_TOP: the top of the fptools hierarchy, absolute path.
+# FPTOOLS_TOP_ABS: the top of the fptools hierarchy, absolute path.
 # On Windows this is a c:/foo/bar style path.
 FPTOOLS_TOP_ABS		= @hardtop@
 
@@ -610,9 +610,14 @@ else
 
 # Unix: override libdir and datadir to put ghc-specific stuff in
 # a subdirectory with the version number included.
+#
+# datadir is set to libdir here as GHC needs package.conf and unlit
+# to be in the same place (and things like ghc-pkg need to agree on
+# where package.conf is, so we just set it globally).
+#
 datarootdir := $(datadir0)
-datadir     := $(datadir0)/ghc-$(ProjectVersion)
 libdir      := $(libdir0)/ghc-$(ProjectVersion)
+datadir     := $(libdir)
 
 # New autoconf (>= 2.60?) make a configure with --docdir=DIR etc flags.
 # However, in order to support older autoconf's we don't use them.
@@ -924,13 +929,22 @@ else # not UseStage1 or BootingFromHc
 
 HC	        = @WithHc@
 MKDEPENDHS	= $(GHC)
-BOOTSTRAPPING_PACKAGE_CONF_HC_OPTS = -package-conf $(BOOTSTRAPPING_CONF)
-BOOTSTRAPPING_PACKAGE_CONF_MKDEPENDHS_OPTS = -package-conf $(BOOTSTRAPPING_CONF)
 GhcVersion	= @GhcVersion@
 GhcPatchLevel	= @GhcPatchLevel@
 GhcMajVersion	= @GhcMajVersion@
 GhcMinVersion	= @GhcMinVersion@
 
+# We build a few packages using the installed GHC as part of the
+# bootstrapping process.  These are installed into a local
+# package.conf file, $(BOOTSTRAPPING_CONF).  When we invoke the
+# installed GHC we need to pass it -package-conf $(BOOTSTRAPPING_CONF).
+# So the following variables expand to -package-conf $(BOOTSTRAPPING_CONF)
+# when $(HC) does *not* point to one of the GHC binaries built in
+# the local tree.
+#
+BOOTSTRAPPING_PACKAGE_CONF_HC_OPTS =$(if $(findstring $(GHC_COMPILER_DIR_ABS), $(HC)),,-package-conf $(BOOTSTRAPPING_CONF))
+BOOTSTRAPPING_PACKAGE_CONF_MKDEPENDHS_OPTS =$(if $(findstring $(GHC_COMPILER_DIR_ABS), $(MKDEPENDHS)),,-package-conf $(BOOTSTRAPPING_CONF))
+
 # Some useful GHC version predicates:
 ghc_ge_605 = @ghc_ge_605@
 ghc_ge_607 = @ghc_ge_607@