We no longer need to pass pgmc etc in the ghc.wrapper script

They can now be set in the settings file instead

ghc/ghc.wrapper

-exec "$executablename" -B"$topdir" -pgmc "$pgmgcc" -pgma "$pgmgcc" -pgml "$pgmgcc" -pgmP "$pgmgcc -E -undef -traditional" ${1+"$@"}
+exec "$executablename" -B"$topdir" ${1+"$@"}

rules/shell-wrapper.mk

@@ -74,7 +74,6 @@ install_$1_$2_wrapper:
 	echo 'datadir="$$(datadir)"'                             >> "$$(WRAPPER)"
 	echo 'bindir="$$(bindir)"'                               >> "$$(WRAPPER)"
 	echo 'topdir="$$(topdir)"'                               >> "$$(WRAPPER)"
-	echo 'pgmgcc="$$(WhatGccIsCalled)"'                      >> "$$(WRAPPER)"
 	$$($1_$2_SHELL_WRAPPER_EXTRA)
 	$$($1_$2_INSTALL_SHELL_WRAPPER_EXTRA)
 	cat $$($1_$2_SHELL_WRAPPER_NAME)                         >> "$$(WRAPPER)"