From 484511cebe6055c13bedf6b9c773f96ae9d63dc3 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Wed, 24 Mar 2010 17:14:22 +0000
Subject: [PATCH] Change how perl scripts get installed; partially fixes #3863
 We now regenerate them when installing, which means the
 path for perl doesn't get baked in

---
 driver/mangler/ghc.mk |    2 +-
 driver/split/ghc.mk   |    2 +-
 ghc.mk                |   10 ++--------
 rules/build-perl.mk   |   12 +++++++++++-
 4 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/driver/mangler/ghc.mk b/driver/mangler/ghc.mk
index 92b00c4..c5e3bdf 100644
--- a/driver/mangler/ghc.mk
+++ b/driver/mangler/ghc.mk
@@ -13,7 +13,7 @@
 driver/mangler_PERL_SRC  = ghc-asm.lprl
 driver/mangler_dist_PROG = $(GHC_MANGLER_PGM)
 driver/mangler_dist_TOPDIR = YES
+driver/mangler_dist_INSTALL_IN = $(DESTDIR)$(topdir)
 
 $(eval $(call build-perl,driver/mangler,dist))
 
-INSTALL_TOPDIR_SCRIPTS += driver/mangler/dist/$(GHC_MANGLER_PGM)
diff --git a/driver/split/ghc.mk b/driver/split/ghc.mk
index 388e212..0272652 100644
--- a/driver/split/ghc.mk
+++ b/driver/split/ghc.mk
@@ -13,7 +13,7 @@
 driver/split_PERL_SRC  = ghc-split.lprl
 driver/split_dist_PROG = $(GHC_SPLIT_PGM)
 driver/split_dist_TOPDIR = YES
+driver/split_dist_INSTALL_IN = $(DESTDIR)$(topdir)
 
 $(eval $(call build-perl,driver/split,dist))
 
-INSTALL_TOPDIR_SCRIPTS += driver/split/dist/$(GHC_SPLIT_PGM)
diff --git a/ghc.mk b/ghc.mk
index cc5e527..69bb286 100644
--- a/ghc.mk
+++ b/ghc.mk
@@ -760,7 +760,7 @@ TAGS: TAGS_compiler
 
 install: install_packages install_libs install_libexecs install_headers \
          install_libexec_scripts install_bins install_docs \
-		 install_topdirs install_topdir_scripts
+		 install_topdirs
 
 install_bins: $(INSTALL_BINS)
 	$(INSTALL_DIR) "$(DESTDIR)$(bindir)"
@@ -809,12 +809,6 @@ else
 	"$(MV)" "$(DESTDIR)$(ghclibexecdir)/ghc-stage2" "$(DESTDIR)$(ghclibexecdir)/ghc"
 endif
 
-install_topdir_scripts: $(INSTALL_TOPDIR_SCRIPTS)
-	$(INSTALL_DIR) "$(DESTDIR)$(topdir)"
-	for i in $(INSTALL_TOPDIR_SCRIPTS); do \
-		$(INSTALL_SCRIPT) $(INSTALL_OPTS) $$i "$(DESTDIR)$(topdir)"; \
-	done
-
 install_topdirs: $(INSTALL_TOPDIRS)
 	$(INSTALL_DIR) "$(DESTDIR)$(topdir)"
 	for i in $(INSTALL_TOPDIRS); do \
@@ -920,6 +914,7 @@ $(eval $(call bindist,.,\
     $(INPLACE_BIN)/ghc-cabal \
     utils/ghc-pwd/ghc-pwd \
 	$(BINDIST_WRAPPERS) \
+	$(BINDIST_PERL_SOURCES) \
 	$(BINDIST_LIBS) \
 	$(BINDIST_HI) \
 	$(BINDIST_EXTRAS) \
@@ -932,7 +927,6 @@ $(eval $(call bindist,.,\
     $(INSTALL_LIBEXECS) \
     $(INSTALL_LIBEXEC_SCRIPTS) \
     $(INSTALL_TOPDIRS) \
-    $(INSTALL_TOPDIR_SCRIPTS) \
     $(INSTALL_BINS) \
     $(INSTALL_MANPAGES) \
     $(INSTALL_DOCS) \
diff --git a/rules/build-perl.mk b/rules/build-perl.mk
index f3ea2b6..cfa71cc 100644
--- a/rules/build-perl.mk
+++ b/rules/build-perl.mk
@@ -39,17 +39,27 @@ ifeq "$(findstring clean,$(MAKECMDGOALS))" ""
 ifneq "$$(BINDIST)" "YES"
 $1/$2/$$($1_$2_PROG).prl: $1/$$($1_PERL_SRC) $$(UNLIT) | $$$$(dir $$$$@)/.
 	"$$(UNLIT)" $$(UNLIT_OPTS) $$< $$@
+endif
 
 $1/$2/$$($1_$2_PROG): $1/$2/$$($1_$2_PROG).prl
 	"$$(RM)" $$(RM_OPTS) $$@
 	echo '#!$$(PERL)'                                  >> $$@
 	echo '$$$$TARGETPLATFORM  = "$$(TARGETPLATFORM)";' >> $$@
 	cat $$<                                            >> $$@
-	$$(EXECUTABLE_FILE) $$@
 
 $$($1_$2_INPLACE): $1/$2/$$($1_$2_PROG) | $$$$(dir $$$$@)/.
 	"$$(CP)" $$< $$@
 	$$(EXECUTABLE_FILE) $$@
+
+ifneq "$$($1_$2_INSTALL_IN)" ""
+BINDIST_PERL_SOURCES += $1/$2/$$($1_$2_PROG).prl
+
+install: install_$1_$2
+
+.PHONY: install_$1_$2
+install_$1_$2: $1/$2/$$($1_$2_PROG)
+	$$(INSTALL_DIR) "$$($1_$2_INSTALL_IN)"
+	$$(INSTALL_SCRIPT) $$(INSTALL_OPTS) $$< "$$($1_$2_INSTALL_IN)"
 endif
 endif
 
-- 
1.7.10.4