Remove old build system

Cargo is able to do everything we need and the last bit (doc tests)
should be merging soon.

.gitignore

@@ -1,4 +1,2 @@
 /doc/
-/build/
-/Makefile
 /target/

Makefile.in

@@ -1,88 +0,0 @@
-export RUSTC := rustc
-RUSTDOC := rustdoc
-RUSTFLAGS := -O --cfg ndebug
-BUILDDIR := build
-INSTALL_DIR := %PREFIX%
-LD_LIBRARY_PATH := $(LD_LIBRARY_PATH):build:submodules/rust-phf/build:submodules/rust-openssl/target
-ENV := LD_LIBRARY_PATH=$(LD_LIBRARY_PATH) DYLD_LIBRARY_PATH=$(LD_LIBRARY_PATH)
-
-###############################################################################
-# Dependencies
-###############################################################################
-PHF_DIR := submodules/rust-phf
-PHF := $(foreach file,$(shell $(MAKE) -s -C $(PHF_DIR) print-targets),$(PHF_DIR)/$(file))
-OPENSSL_DIR := submodules/rust-openssl
-OPENSSL := $(foreach file,$(shell $(MAKE) -s -C $(OPENSSL_DIR) print-target),$(OPENSSL_DIR)/$(file))
-
-.NOTPARALLEL: $(PHF)
-$(PHF): | $(BUILDDIR)
-	$(MAKE) -C $(PHF_DIR)
-
-.NOTPARALLEL: $(OPENSSL)
-$(OPENSSL): | $(BUILDDIR)
-	$(MAKE) -C $(OPENSSL_DIR)
-
-###############################################################################
-# Main targets
-###############################################################################
-POSTGRES_LIB_FILE := src/lib/lib.rs
-POSTGRES_LIB := $(foreach file,$(shell $(RUSTC) --print-file-name $(POSTGRES_LIB_FILE)),$(BUILDDIR)/$(file))
-POSTGRES_TEST_FILE := src/test/test.rs
-POSTGRES_TEST := $(BUILDDIR)/$(shell $(RUSTC) --test --print-file-name $(POSTGRES_TEST_FILE))
-
-POSTGRES_LIB_DEPS := $(BUILDDIR)/postgres.d
-POSTGRES_TEST_DEPS := $(BUILDDIR)/postgres_test.d
-
-LINK_ARGS := $(foreach file,$(OPENSSL),-L $(dir $(file))) $(foreach file,$(PHF),-L $(dir $(file)))
-
--include $(POSTGRES_LIB_DEPS)
--include $(POSTGRES_TEST_DEPS)
-
-$(BUILDDIR):
-	mkdir -p $@
-
-.NOTPARALLEL: $(POSTGRES_LIB)
-$(POSTGRES_LIB): $(POSTGRES_LIB_FILE) $(PHF) $(OPENSSL) | $(BUILDDIR)
-	$(ENV) $(RUSTC) $(RUSTFLAGS) $(LINK_ARGS) --dep-info $(POSTGRES_LIB_DEPS) \
-		--out-dir $(@D) $<
-
-$(POSTGRES_TEST): $(POSTGRES_TEST_FILE) $(POSTGRES_LIB) | $(BUILDDIR)
-	$(ENV) $(RUSTC) $(RUSTFLAGS) $(LINK_ARGS) -L $(BUILDDIR) --dep-info $(POSTGRES_TEST_DEPS) \
-		--out-dir $(@D) --test $<
-
-all: $(POSTGRES_LIB)
-
-.DEFAULT_GOAL := all
-.PHONY: all
-
-###############################################################################
-# Utility
-###############################################################################
-check-test: $(POSTGRES_TEST)
-	$(POSTGRES_TEST)
-
-check-doc: $(POSTGRES_LIB)
-	$(ENV) $(RUSTDOC) $(LINK_ARGS) -L $(BUILDDIR) --test $(POSTGRES_LIB_FILE)
-
-check: check-test check-doc
-
-clean:
-	rm -rf $(BUILDDIR)
-
-clean-deps:
-	$(MAKE) -C $(PHF_DIR) clean
-	$(MAKE) -C $(OPENSSL_DIR) clean
-	rm -f $(PHF_STAMP) $(OPENSSL_STAMP)
-
-doc: $(OPENSSL) $(PHF)
-	$(ENV) $(RUSTDOC) $(LINK_ARGS) $(POSTGRES_LIB_FILE)
-
-install: $(POSTGRES_LIB)
-	$(MAKE) -C $(PHF_DIR) install INSTALL_DIR=$(abspath $(INSTALL_DIR))
-	$(MAKE) -C $(PHF_DIR) install INSTALL_DIR=$(abspath $(INSTALL_DIR))
-	install $(POSTGRES_LIB) $(INSTALL_DIR)
-
-print-targets:
-	@echo $(POSTGRES_LIB)
-
-.PHONY: check-test check-doc check clean clean-deps doc install print-targets

configure

@@ -1,25 +0,0 @@
-#!/bin/bash
-
-set -e
-
-TEMP=`getopt -o "" --long prefix: -n "$0" -- "$@"`
-
-if [ $? != 0 ]; then exit 1; fi
-
-eval set -- "$TEMP"
-
-PREFIX=/usr/lib
-
-while true ; do
-    case "$1" in
-        --prefix) PREFIX=$2; shift 2;;
-        --) shift; break;;
-    esac
-done
-
-git submodule update --init
-./submodules/rust-phf/configure
-./submodules/rust-openssl/configure
-
-sed -e "s|%PREFIX%|$PREFIX|" \
-    < Makefile.in > Makefile

submodules/rust-openssl

@@ -1 +0,0 @@
-Subproject commit 8696b091402f67a655c3b924c118392cb67540a3

submodules/rust-phf

@@ -1 +0,0 @@
-Subproject commit f79814a6abfa3bc5d739825643ea4ecee0a3aa8a