Rip out perl dependency

The object splitter was the last major user of perl. There remain a few
uses in nofib but we can just rely on the system's perl for this since
it's not critical to the build.

distrib/configure.ac.in

@@ -50,16 +50,6 @@ AC_SUBST(TargetPlatformFull)
 Unregisterised="@Unregisterised@"
 AC_SUBST(Unregisterised)
 
-#
-dnl ** Check Perl installation **
-#
-AC_PATH_PROG(PerlCmd,perl)
-if test -z "$PerlCmd"; then
-   echo "You must install perl before you can continue"
-   echo "Perhaps it is already installed, but not in your PATH?"
-   exit 1
-fi
-
 #
 dnl ** figure out how to do a BSD-ish install **
 #

ghc.mk

@@ -815,11 +815,6 @@ install : install_mingw
 install_mingw : $(INPLACE_MINGW)
 	"$(CP)" -Rp $(INPLACE_MINGW) $(prefix)
 
-install : install_perl
-.PHONY: install_perl
-install_perl : $(INPLACE_PERL)
-	"$(CP)" -Rp $(INPLACE_PERL) $(prefix)
-
 endif # Windows_Host
 
 ifneq "$(BINDIST)" "YES"
@@ -1025,7 +1020,6 @@ $(eval $(call bindist-list,.,\
     $(INPLACE_BIN)/mkdirhier \
     utils/ghc-cabal/dist-install/build/tmp/ghc-cabal \
     $(BINDIST_WRAPPERS) \
-    $(BINDIST_PERL_SOURCES) \
     $(BINDIST_LIBS) \
     $(BINDIST_HI) \
     $(BINDIST_EXTRAS) \

hadrian/cfg/system.config.in

@@ -23,7 +23,6 @@ system-ghc     = @WithGhc@
 system-ghc-pkg = @GhcPkgCmd@
 tar            = @TarCmd@
 patch          = @PatchCmd@
-perl           = @PerlCmd@
 xelatex        = @XELATEX@
 
 # Python 3 is required to run test driver.

hadrian/src/Builder.hs

@@ -127,7 +127,6 @@ data Builder = Alex
              | Nm
              | Objdump
              | Patch
-             | Perl
              | Python
              | Ranlib
              | RunTest
@@ -305,7 +304,6 @@ systemBuilderPath builder = case builder of
     Nm              -> fromKey "nm"
     Objdump         -> fromKey "objdump"
     Patch           -> fromKey "patch"
-    Perl            -> fromKey "perl"
     Python          -> fromKey "python"
     Ranlib          -> fromKey "ranlib"
     RunTest         -> fromKey "python"

hadrian/src/Rules/Nofib.hs

@@ -29,7 +29,6 @@ nofibRules = do
         makePath <- builderPath (Make "nofib")
         top      <- topDirectory
         ghcPath  <- builderPath (Ghc CompileHs Stage2)
-        perlPath <- builderPath Perl
 
         -- some makefiles in nofib rely on a $MAKE
         -- env var being defined
@@ -39,7 +38,7 @@ nofibRules = do
         -- subdirectory, passing the path to
         -- the GHC to benchmark and perl to
         -- nofib's makefiles.
-        let nofibArgs = ["WithNofibHc=" ++ (top -/- ghcPath), "PERL=" ++ perlPath]
+        let nofibArgs = ["WithNofibHc=" ++ (top -/- ghcPath)]
         unit $ cmd (Cwd "nofib") [makePath] ["clean"]
         unit $ cmd (Cwd "nofib") [makePath] (nofibArgs ++ ["boot"])
         (Exit e, Stdouterr log) <- cmd (Cwd "nofib") [makePath] nofibArgs

mk/config.mk.in

@@ -701,7 +701,6 @@ INSTALL			:= $(subst .././install-sh,$(TOP)/install-sh,$(INSTALL))
 
 LN_S			= @LN_S@
 MV			= mv
-PERL 			= @PerlCmd@
 PIC			= pic
 RANLIB_CMD = @RANLIB_CMD@
 REAL_RANLIB_CMD = @REAL_RANLIB_CMD@

mk/get-win32-tarballs.sh

@@ -117,7 +117,6 @@ download_tarballs() {
     if test "$mingw_arch" != "sources"; then
         download_mingw "${format_url}-mpc-1.0.3-2-any.pkg.tar.xz"
         download_mingw "${format_url}-gcc-libs-7.2.0-1-any.pkg.tar.xz"
-        download_file "https://downloads.haskell.org/~ghc/mingw/ghc-perl-1.tar.gz" "ghc-tarballs/perl/ghc-perl-1.tar.gz" "Windows Perl binary distributions" "" ""
     else
         local format_url="${mingw_base_url}/${mingw_arch}/${package_prefix}"
         download_mingw "${format_url}-i686-mpc-1.0.3-2.src.tar.gz"

mk/tree.mk

@@ -19,7 +19,6 @@ INPLACE_BIN             = $(INPLACE)/bin
 INPLACE_LIB             = $(INPLACE)/lib
 INPLACE_TOPDIR          = $(INPLACE)/lib
 INPLACE_MINGW           = $(INPLACE)/mingw
-INPLACE_PERL            = $(INPLACE)/perl
 
 ################################################################################
 #

settings.in

@@ -19,7 +19,6 @@
  ("dllwrap command", "@SettingsDllWrapCommand@"),
  ("windres command", "@SettingsWindresCommand@"),
  ("libtool command", "@SettingsLibtoolCommand@"),
- ("perl command", "@SettingsPerlCommand@"),
  ("cross compiling", "@CrossCompiling@"),
  ("target os", "@HaskellTargetOs@"),
  ("target arch", "@HaskellTargetArch@"),

utils/vagrant/bootstrap-rhel.sh

 #!/bin/sh
 yum update -y
 yum install -y glibc-devel ncurses-devel gmp-devel autoconf automake libtool \
- gcc make perl python ghc git
+ gcc make python ghc git