Implement distribution of dynamic builds

Author: hasufell

.gitignore

@@ -45,3 +45,6 @@ test/testdata/**/hie.yaml
 # nix
 result
 result-doc
+
+out/
+store/

Makefile

@@ -0,0 +1,67 @@
+ROOT_DIR:=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+GHC_VERSION  ?=
+HLS_VERSION  ?=
+
+ifndef HLS_VERSION
+$(error HLS_VERSION is not set)
+endif
+
+CHMOD    := chmod
+INSTALL  := install
+PATCHELF := patchelf
+FIND     := find
+SED      := sed
+MKDIR    := mkdir
+TAR      := tar
+CABAL    := cabal
+
+STORE_DIR        := store
+BINDIST_BASE_DIR := out/bindist
+BINDIST_OUT_DIR  := $(BINDIST_BASE_DIR)/haskell-language-server-$(HLS_VERSION)
+
+CABAL_ARGS         ?= --store-dir=$(ROOT_DIR)/$(STORE_DIR)
+CABAL_INSTALL_ARGS ?= --overwrite-policy=always --install-method=copy --installdir=$(ROOT_DIR)/out
+
+hls: bindist/ghcs
+	for ghc in $(shell cat bindist/ghcs) ; do \
+		$(MAKE) GHC_VERSION=$$ghc hls-ghc ; \
+	done
+
+hls-ghc:
+	if test -z "$(GHC_VERSION)" ; then echo >&2 "GHC_VERSION is not set" ; false ; fi
+	$(CABAL) $(CABAL_ARGS) v2-install -w ghc-$(GHC_VERSION) $(CABAL_INSTALL_ARGS)
+
+bindist:
+	for ghc in $(shell cat bindist/ghcs) ; do \
+		$(MAKE) GHC_VERSION=$$ghc bindist-ghc ; \
+	done
+	$(SED) -e "s/@@HLS_VERSION@@/$(HLS_VERSION)/" \
+		bindist/Makefile.in > $(BINDIST_OUT_DIR)/Makefile
+	cd $(BINDIST_BASE_DIR) ; $(TAR) caf $(ROOT_DIR)/out/haskell-language-server-$(HLS_VERSION).tar.xz haskell-language-server-$(HLS_VERSION)
+
+bindist-ghc:
+	if test -z "$(GHC_VERSION)" ; then echo >&2 "GHC_VERSION is not set" ; false ; fi
+	$(MKDIR) -p $(BINDIST_OUT_DIR)/bin
+	$(MKDIR) -p $(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)
+	$(SED) -e "s/@@EXE_NAME@@/haskell-language-server-$(GHC_VERSION)/" -e "s/@@GHC_VERSION@@/$(GHC_VERSION)/" \
+		bindist/wrapper.in > $(BINDIST_OUT_DIR)/haskell-language-server-$(GHC_VERSION)
+	$(SED) -e 's/@@EXE_NAME@@/haskell-language-server-wrapper/' -e "s/@@GHC_VERSION@@/$(GHC_VERSION)/" \
+		bindist/wrapper.in > $(BINDIST_OUT_DIR)/haskell-language-server-wrapper
+	$(CHMOD) 755 $(BINDIST_OUT_DIR)/haskell-language-server-$(GHC_VERSION)
+	$(CHMOD) 755 $(BINDIST_OUT_DIR)/haskell-language-server-wrapper
+	$(INSTALL) -vDm 755 out/haskell-language-server $(BINDIST_OUT_DIR)/bin/haskell-language-server-$(GHC_VERSION)
+	$(PATCHELF) --set-rpath \$$ORIGIN/../lib/$(GHC_VERSION) $(BINDIST_OUT_DIR)/bin/haskell-language-server-$(GHC_VERSION)
+	$(INSTALL) -vDm 755 out/haskell-language-server-wrapper $(BINDIST_OUT_DIR)/bin/haskell-language-server-wrapper
+	$(PATCHELF) --set-rpath \$$ORIGIN/../lib/$(GHC_VERSION) $(BINDIST_OUT_DIR)/bin/haskell-language-server-wrapper
+	$(FIND) $(STORE_DIR) -type f -name '*.so' -execdir install -vDm 755 {} $(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)/{} \;
+	$(FIND) $(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION) -type f -name '*.so' -execdir $(PATCHELF) --set-rpath \$$ORIGIN {} \;
+
+
+clean:
+	rm -rf $(BINDIST_BASE_DIR)
+
+clean-all:
+	rm -rf $(BINDIST_BASE_DIR) $(STORE_DIR)
+
+.PHONY: hls hls-ghc bindist bindist-ghc clean clean-all

bindist/Makefile.in

@@ -0,0 +1,28 @@
+DESTDIR ?=
+PREFIX ?= /usr/local
+LIBDIR ?= $(PREFIX)/lib
+BINDIR ?= $(PREFIX)/bin
+
+HLS_VERSION := @@HLS_VERSION@@
+
+INSTALL := install
+SED     := sed
+CHMOD   := chmod
+
+install:
+	$(INSTALL) -d $(BINDIR)
+	$(INSTALL) -d $(LIBDIR)/haskell-language-server-$(HLS_VERSION)/lib
+	$(INSTALL) -d $(LIBDIR)/haskell-language-server-$(HLS_VERSION)/bin
+	for f in $(wildcard lib/*/*) ; do \
+		$(INSTALL) -vDm 755 $$f $(LIBDIR)/haskell-language-server-$(HLS_VERSION)/$$f ; \
+	done
+	for b in $(wildcard bin/*) ; do \
+		$(INSTALL) -vDm 755 $$b $(LIBDIR)/haskell-language-server-$(HLS_VERSION)/$$b ; \
+	done
+	for h in $(wildcard haskell-language-server-*) ; do \
+		$(SED) -e "s#@@EXE_DIR@@#$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/bin/#" \
+			$$h > $(BINDIR)/$$h ; \
+		$(CHMOD) 755 $(BINDIR)/$$h ; \
+	done
+
+.PHONY: install

bindist/ghcs

@@ -0,0 +1 @@
+8.10.7

bindist/wrapper.in

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+exedir="@@EXE_DIR@@"
+executablename="@@EXE_NAME@@"
+GHC_VERSION="@@GHC_VERSION@@"
+
+if [ -n "${GHC_LIBDIR}" ] ; then
+	:
+elif [ -n "${GHC_BIN}" ] && command -v "${GHC_BIN}" >/dev/null ; then
+	GHC_LIBDIR=$(${GHC_BIN} --print-libdir)
+	ghc_ver="$(${GHC_BIN} --numeric-version)"
+	if [ "${GHC_VERSION}" != "${ghc_ver}" ] ; then
+		echo >&2 "Need GHC version ${GHC_VERSION}, got ${ghc_ver}... trying anyway"
+	fi
+elif command -v ghc-${GHC_VERSION} >/dev/null ; then
+	GHC_LIBDIR=$(ghc-${GHC_VERSION} --print-libdir)
+	ghc_ver="$(ghc-${GHC_VERSION} --numeric-version)"
+	if [ "${GHC_VERSION}" != "${ghc_ver}" ] ; then
+		echo >&2 "Need GHC version ${GHC_VERSION}, got ${ghc_ver}... trying anyway"
+	fi
+elif command -v ghc >/dev/null ; then
+	GHC_LIBDIR=$(ghc --print-libdir)
+	ghc_ver="$(ghc --numeric-version)"
+	if [ "${GHC_VERSION}" != "${ghc_ver}" ] ; then
+		echo >&2 "Need GHC version ${GHC_VERSION}, got ${ghc_ver}... trying anyway"
+	fi
+else
+	echo >&2 "Could not find a GHC installation!"
+	echo >&2 "Consider setting GHC_LIBDIR to the top-level directory of GHC shipped libraries (version ${GHC_VERSION})"
+    exit 42
+fi
+
+if [ -n "$LD_LIBRARY_PATH" ] ; then
+	LD_LIBRARY_PATH="$(for i in "${GHC_LIBDIR}"/* ; do [ -d "$i" ] && printf "%s" "$i:" ; done)$LD_LIBRARY_PATH"
+	export LD_LIBRARY_PATH
+else
+	LD_LIBRARY_PATH="$(for i in "${GHC_LIBDIR}"/* ; do [ -d "$i" ] && printf "%s" "$i:" ; done | sed 's/:$//')"
+	export LD_LIBRARY_PATH
+fi
+
+exec "${exedir}/${executablename}" ${1+"$@"}