X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fmk%2Fconfig.mk.in;h=c11aae16342287fbbf451d1d1de020e6deef7119;hb=0287b1b5e18e16f75064331d8d6de35528e9c1fb;hp=2a787ca14bd5d3689326fd948dec8e1b1138dc0c;hpb=c830ae13ccd7373b5478e10382a57d497ebc6a40;p=ghc-hetmet.git

diff --git a/ghc/mk/config.mk.in b/ghc/mk/config.mk.in
index 2a787ca..c11aae1 100644
--- a/ghc/mk/config.mk.in
+++ b/ghc/mk/config.mk.in
@@ -31,3 +31,33 @@ GhcHasReadline	= @GhcHasReadline@
 
 # GTK+
 GTK_CONFIG = @GTK_CONFIG@
+
+# -----------------------------------------------------------------------------
+
+# We can build using the stage1 compiler by setting UseStage1=YES.
+# This is useful when building up a set of .hc files for
+# bootstrapping, because we need the ghc/lib/compat library and the
+# contents of ghc/utils compiled with the stage1 compiler.
+
+ifeq "$(UseStage1)" "YES"
+HC=$(GHC_STAGE1)
+MKDEPENDHS=$(GHC_STAGE1)
+endif
+
+# Some useful GHC version predicates:
+
+ifeq "$(UseStage1)" "YES"
+ghc_ge_504 = YES
+ghc_ge_601 = YES
+ghc_ge_603 = YES
+else
+ifeq "$(BootingFromHc)" "YES"
+ghc_ge_504 = YES
+ghc_ge_601 = YES
+ghc_ge_603 = YES
+else
+ghc_ge_504 = $(shell if (test $(GhcCanonVersion) -ge 504); then echo YES; else echo NO; fi)
+ghc_ge_601 = $(shell if (test $(GhcCanonVersion) -ge 601); then echo YES; else echo NO; fi)
+ghc_ge_603 = $(shell if (test $(GhcCanonVersion) -ge 603); then echo YES; else echo NO; fi)
+endif
+endif
\ No newline at end of file