termux-packages/disabled-packages/ghc/use-stage1-binaries-for-ins...

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Description: Use the stage1 binaries for install
In order to be able to perform a cross-build, we need to use
the stage1 binaries during installation. Both ghc and ghc-pkg
are run during the install target and therefore must be able
to run on the build machine.
.
Author: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Last-Update: 2017-01-29
Index: ghc-8.8.1+dfsg1/ghc.mk
===================================================================
--- ghc-8.8.1+dfsg1.orig/ghc.mk
+++ ghc-8.8.1+dfsg1/ghc.mk
@@ -963,8 +963,12 @@
# Install packages in the right order, so that ghc-pkg doesn't complain.
# Also, install ghc-pkg first.
ifeq "$(Windows_Host)" "NO"
-INSTALLED_GHC_REAL=$(DESTDIR)$(ghclibexecdir)/bin/ghc
-INSTALLED_GHC_PKG_REAL=$(DESTDIR)$(ghclibexecdir)/bin/ghc-pkg
+# Use the inplace/stage1 versions for installation,
+# since the installed versions are built for the target
+#INSTALLED_GHC_REAL=$(DESTDIR)$(ghclibexecdir)/bin/ghc
+#INSTALLED_GHC_PKG_REAL=$(DESTDIR)$(ghclibexecdir)/bin/ghc-pkg
+INSTALLED_GHC_REAL=$(CURDIR)/inplace/bin/ghc-stage1
+INSTALLED_GHC_PKG_REAL=$(CURDIR)/utils/ghc-pkg/dist/build/tmp/ghc-pkg
else
INSTALLED_GHC_REAL=$(DESTDIR)$(bindir)/ghc.exe
INSTALLED_GHC_PKG_REAL=$(DESTDIR)$(bindir)/ghc-pkg.exe