From 117a38157537eeb59d73bf8a958363688fdf6383 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mislav=20Marohni=C4=87?= <git@mislav.net>
Date: Thu, 22 Sep 2022 11:34:02 +0200
Subject: [PATCH] Simplify resolving symlinks, remove native extension (#1428)

---
 .github/workflows/ci.yml |   6 +-
 README.md                |   7 -
 libexec/rbenv            |  34 +--
 libexec/rbenv-hooks      |  33 +--
 libexec/rbenv-versions   |  46 +--
 src/Makefile.in          |  27 +-
 src/bash.h               |  31 --
 src/configure            |  46 +--
 src/realpath.c           |  43 ---
 src/shobj-conf           | 594 ---------------------------------------
 test/hooks.bats          |  10 +-
 test/run                 |   5 -
 test/test_helper.bash    |   9 -
 13 files changed, 27 insertions(+), 864 deletions(-)
 delete mode 100644 src/bash.h
 delete mode 100644 src/realpath.c
 delete mode 100755 src/shobj-conf

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f550c48c..a47efb1e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,15 +5,13 @@ jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
-        native_ext: ['', '1']
-        os: [ubuntu-latest, macOS-latest]
+        os: [ubuntu-latest, macos-latest]
     
     steps:
     - uses: actions/checkout@v2
     - name: Install bats
       run: git clone --depth 1 https://github.com/sstephenson/bats.git
     - name: Run tests
-      env:
-        RBENV_NATIVE_EXT: ${{ matrix.native_ext }}
       run: PATH="./bats/bin:$PATH" test/run
diff --git a/README.md b/README.md
index 33c346f9..a407bb3f 100644
--- a/README.md
+++ b/README.md
@@ -197,13 +197,6 @@ a systemwide install.
     git clone https://github.com/rbenv/rbenv.git ~/.rbenv
     ```
 
-    Optionally, try to compile dynamic bash extension to speed up rbenv. Don't
-    worry if it fails; rbenv will still work normally:
-
-    ```sh
-    cd ~/.rbenv && src/configure && make -C src
-    ```
-
 2. Add `~/.rbenv/bin` to your `$PATH` for access to the `rbenv`
    command-line utility.
 
diff --git a/libexec/rbenv b/libexec/rbenv
index 8a295e93..658a70b1 100755
--- a/libexec/rbenv
+++ b/libexec/rbenv
@@ -20,37 +20,6 @@ abort() {
   exit 1
 }
 
-if enable -f "${BASH_SOURCE%/*}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
-  abs_dirname() {
-    local path
-    path="$(realpath "$1")"
-    echo "${path%/*}"
-  }
-else
-  [ -z "$RBENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
-
-  READLINK=$(type -p greadlink readlink 2>/dev/null | head -n1)
-  [ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
-
-  resolve_link() {
-    $READLINK "$1"
-  }
-
-  abs_dirname() {
-    local cwd="$PWD"
-    local path="$1"
-
-    while [ -n "$path" ]; do
-      cd "${path%/*}"
-      local name="${path##*/}"
-      path="$(resolve_link "$name" || true)"
-    done
-
-    pwd
-    cd "$cwd"
-  }
-fi
-
 if [ -z "${RBENV_ROOT}" ]; then
   RBENV_ROOT="${HOME}/.rbenv"
 else
@@ -72,7 +41,8 @@ export RBENV_DIR
 
 shopt -s nullglob
 
-bin_path="$(abs_dirname "$0")"
+rbenv_bin="${BASH_SOURCE:-$0}"
+bin_path="$(cd "${rbenv_bin%/*}"/../libexec && pwd -P)"
 for plugin_bin in "${RBENV_ROOT}/plugins/"*/bin; do
   PATH="${plugin_bin}:${PATH}"
 done
diff --git a/libexec/rbenv-hooks b/libexec/rbenv-hooks
index 2fa48e24..c3d9f630 100755
--- a/libexec/rbenv-hooks
+++ b/libexec/rbenv-hooks
@@ -21,43 +21,12 @@ if [ -z "$RBENV_COMMAND" ]; then
   exit 1
 fi
 
-if ! enable -f "${BASH_SOURCE%/*}"/rbenv-realpath.dylib realpath 2>/dev/null; then
-  if [ -n "$RBENV_NATIVE_EXT" ]; then
-    echo "rbenv: failed to load \`realpath' builtin" >&2
-    exit 1
-  fi
-READLINK=$(type -p greadlink readlink 2>/dev/null | head -n1)
-if [ -z "$READLINK" ]; then
-  echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
-  exit 1
-fi
-
-resolve_link() {
-  $READLINK "$1"
-}
-
-realpath() {
-  local cwd="$PWD"
-  local path="$1"
-  local name
-
-  while [ -n "$path" ]; do
-    name="${path##*/}"
-    [ "$name" = "$path" ] || cd "${path%/*}"
-    path="$(resolve_link "$name" || true)"
-  done
-
-  echo "${PWD}/$name"
-  cd "$cwd"
-}
-fi
-
 IFS=: hook_paths=($RBENV_HOOK_PATH)
 
 shopt -s nullglob
 for path in "${hook_paths[@]}"; do
   for script in "$path/$RBENV_COMMAND"/*.bash; do
-    realpath "$script"
+    echo "$script"
   done
 done
 shopt -u nullglob
diff --git a/libexec/rbenv-versions b/libexec/rbenv-versions
index 9b7d7570..3e29a156 100755
--- a/libexec/rbenv-versions
+++ b/libexec/rbenv-versions
@@ -25,50 +25,24 @@ for arg; do
   esac
 done
 
+canonicalize_dir() {
+  { cd "$1" && pwd -P
+  } 2>/dev/null || echo "$1"
+}
+
 versions_dir="${RBENV_ROOT}/versions"
-
-if ! enable -f "${BASH_SOURCE%/*}"/rbenv-realpath.dylib realpath 2>/dev/null; then
-  if [ -n "$RBENV_NATIVE_EXT" ]; then
-    echo "rbenv: failed to load \`realpath' builtin" >&2
-    exit 1
-  fi
-
-  READLINK=$(type -p greadlink readlink 2>/dev/null | head -n1)
-  if [ -z "$READLINK" ]; then
-    echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
-    exit 1
-  fi
-
-  resolve_link() {
-    $READLINK "$1"
-  }
-
-  realpath() {
-    local cwd="$PWD"
-    local path="$1"
-    local name
-
-    while [ -n "$path" ]; do
-      name="${path##*/}"
-      [ "$name" = "$path" ] || cd "${path%/*}"
-      path="$(resolve_link "$name" || true)"
-    done
-
-    echo "${PWD}/$name"
-    cd "$cwd"
-  }
-fi
-
-if [ -d "$versions_dir" ]; then
-  versions_dir="$(realpath "$versions_dir")"
+if [ -n "$skip_aliases" ]; then
+  versions_dir="$(canonicalize_dir "$versions_dir")"
 fi
 
 list_versions() {
+  local path
+  local target
   shopt -s nullglob
   for path in "$versions_dir"/*; do
     if [ -d "$path" ]; then
       if [ -n "$skip_aliases" ] && [ -L "$path" ]; then
-        target="$(realpath "$path")"
+        target="$(canonicalize_dir "$path")"
         [ "${target%/*}" != "$versions_dir" ] || continue
       fi
       echo "${path##*/}"
diff --git a/src/Makefile.in b/src/Makefile.in
index b4b1825b..9f242d76 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,25 +1,8 @@
-CC = @CC@
-
-CFLAGS = @CFLAGS@
-LOCAL_CFLAGS = @LOCAL_CFLAGS@
-DEFS = @DEFS@
-LOCAL_DEFS = @LOCAL_DEFS@
-
-CCFLAGS = $(DEFS) $(LOCAL_DEFS) $(LOCAL_CFLAGS) $(CFLAGS)
-
-SHOBJ_CC = @SHOBJ_CC@
-SHOBJ_CFLAGS = @SHOBJ_CFLAGS@
-SHOBJ_LD = @SHOBJ_LD@
-SHOBJ_LDFLAGS = @SHOBJ_LDFLAGS@
-SHOBJ_XLDFLAGS = @SHOBJ_XLDFLAGS@
-SHOBJ_LIBS = @SHOBJ_LIBS@
-SHOBJ_STATUS = @SHOBJ_STATUS@
-
-.c.o:
-	$(SHOBJ_CC) $(SHOBJ_CFLAGS) $(CCFLAGS) -c -o $@ $<
-
-../libexec/rbenv-realpath.dylib: realpath.o
-	$(SHOBJ_LD) $(SHOBJ_LDFLAGS) $(SHOBJ_XLDFLAGS) -o $@ realpath.o $(SHOBJ_LIBS)
+../libexec/rbenv-realpath.dylib:
+	@echo "Warning: this Makefile is obsolete and kept only for backwards compatibility." >&2
+	@echo "You can remove the \`configure && make ...' step from your rbenv setup." >&2
 
 clean:
 	rm -f *.o ../libexec/*.dylib
+
+.PHONY: ../libexec/rbenv-realpath.dylib clean
diff --git a/src/bash.h b/src/bash.h
deleted file mode 100644
index 1b29fd05..00000000
--- a/src/bash.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef __BASH_H__
-#define __BASH_H__
-
-#define EXECUTION_SUCCESS 0
-#define EXECUTION_FAILURE 1
-#define EX_USAGE 258
-
-#define BUILTIN_ENABLED 1
-
-typedef struct word_desc {
-  char *word;
-  int flags;
-} WORD_DESC;
-
-typedef struct word_list {
-  struct word_list *next;
-  WORD_DESC *word;
-} WORD_LIST;
-
-typedef int sh_builtin_func_t(WORD_LIST *);
-
-struct builtin {
-  char *name;
-  sh_builtin_func_t *function;
-  int flags;
-  char * const *long_doc;
-  const char *short_doc;
-  char *unused;
-};
-
-#endif
diff --git a/src/configure b/src/configure
index 54b33798..854d882e 100755
--- a/src/configure
+++ b/src/configure
@@ -1,49 +1,7 @@
 #!/usr/bin/env bash
+# Warning: this configure script is obsolete and kept only for backwards compatibility.
 set -e
 
 src_dir="${0%/*}"
 
-if [ -z "$CC" ]; then
-  if type -p gcc >/dev/null; then
-    CC=gcc
-  else
-    echo "warning: gcc not found; using CC=cc" >&2
-    CC=cc
-  fi
-fi
-
-if ! type -p "$CC" >/dev/null; then
-  echo "aborted: compiler not found: $CC" >&2
-  exit 1
-fi
-
-case "$(uname -s)" in
-Darwin* )
-  host_os="darwin$(uname -r)"
-  ;;
-FreeBSD* )
-  host_os="freebsd$(uname -r)"
-  ;;
-OpenBSD* )
-  host_os="openbsd$(uname -r)"
-  ;;
-* )
-  host_os="linux-gnu"
-esac
-
-eval "$("$src_dir"/shobj-conf -C "$CC" -o "$host_os")"
-
-sed "
-  s#@CC@#${CC}#
-  s#@CFLAGS@#${CFLAGS}#
-  s#@LOCAL_CFLAGS@#${LOCAL_CFLAGS}#
-  s#@DEFS@#${DEFS}#
-  s#@LOCAL_DEFS@#${LOCAL_DEFS}#
-  s#@SHOBJ_CC@#${SHOBJ_CC}#
-  s#@SHOBJ_CFLAGS@#${SHOBJ_CFLAGS}#
-  s#@SHOBJ_LD@#${SHOBJ_LD}#
-  s#@SHOBJ_LDFLAGS@#${SHOBJ_LDFLAGS}#
-  s#@SHOBJ_XLDFLAGS@#${SHOBJ_XLDFLAGS}#
-  s#@SHOBJ_LIBS@#${SHOBJ_LIBS}#
-  s#@SHOBJ_STATUS@#${SHOBJ_STATUS}#
-" "$src_dir"/Makefile.in > "$src_dir"/Makefile
+cp "$src_dir"/Makefile.in "$src_dir"/Makefile
diff --git a/src/realpath.c b/src/realpath.c
deleted file mode 100644
index 6c0c9f3c..00000000
--- a/src/realpath.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "bash.h"
-#include <stdlib.h>
-#include <stdio.h>
-
-int realpath_builtin(list)
-WORD_LIST *list;
-{
-	int es;
-	char *realbuf, *p;
-
-	if (list == 0) {
-		// builtin_usage();
-		return (EX_USAGE);
-	}
-
-	for (es = EXECUTION_SUCCESS; list; list = list->next) {
-		p = list->word->word;
-		realbuf = realpath(p, NULL);
-		if (realbuf == NULL) {
-			es = EXECUTION_FAILURE;
-			// builtin_error("%s: cannot resolve: %s", p, strerror(errno));
-		} else {
-			printf("%s\n", realbuf);
-			free(realbuf);
-		}
-	}
-	return es;
-}
-
-char *realpath_doc[] = {
-	"Display each PATHNAME argument, resolving symbolic links. The exit status",
-	"is 0 if each PATHNAME was resolved; non-zero otherwise.",
-	(char *)NULL
-};
-
-struct builtin realpath_struct = {
-	"realpath",
-	realpath_builtin,
-	BUILTIN_ENABLED,
-	realpath_doc,
-	"realpath pathname [pathname...]",
-	0
-};
diff --git a/src/shobj-conf b/src/shobj-conf
deleted file mode 100755
index 1f64433d..00000000
--- a/src/shobj-conf
+++ /dev/null
@@ -1,594 +0,0 @@
-#! /bin/sh
-#
-# shobj-conf -- output a series of variable assignments to be substituted
-#		into a Makefile by configure which specify system-dependent
-#		information for creating shared objects that may be loaded
-#		into bash with `enable -f'
-#
-# usage: shobj-conf [-C compiler] -c host_cpu -o host_os -v host_vendor
-#
-# Chet Ramey
-# chet@po.cwru.edu
-
-#   Copyright (C) 1996-2014 Free Software Foundation, Inc.
-#
-#   This file is part of GNU Bash, the Bourne Again SHell.
-#
-#   This program is free software: you can redistribute it and/or modify
-#   it under the terms of the GNU General Public License as published by
-#   the Free Software Foundation, either version 3 of the License, or
-#   (at your option) any later version.
-#
-#   This program is distributed in the hope that it will be useful,
-#   but WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#   GNU General Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License
-#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-#
-# defaults
-#
-SHOBJ_STATUS=supported
-SHLIB_STATUS=supported
-
-SHOBJ_CC=cc
-SHOBJ_CFLAGS=
-SHOBJ_LD=
-SHOBJ_LDFLAGS=
-SHOBJ_XLDFLAGS=
-SHOBJ_LIBS=
-
-SHLIB_XLDFLAGS=
-SHLIB_LIBS=
-
-SHLIB_DOT='.'
-SHLIB_LIBPREF='lib'
-SHLIB_LIBSUFF='so'
-
-SHLIB_LIBVERSION='$(SHLIB_LIBSUFF)'
-SHLIB_DLLVERSION='$(SHLIB_MAJOR)'
-
-PROGNAME=`basename $0`
-USAGE="$PROGNAME [-C compiler] -c host_cpu -o host_os -v host_vendor"
-
-while [ $# -gt 0 ]; do
-	case "$1" in
-	-C)	shift; SHOBJ_CC="$1"; shift ;;
-	-c)	shift; host_cpu="$1"; shift ;;
-	-o)	shift; host_os="$1"; shift ;;
-	-v)	shift; host_vendor="$1"; shift ;;
-	*)	echo "$USAGE" >&2 ; exit 2;;
-	esac
-done
-
-case "${host_os}-${SHOBJ_CC}-${host_vendor}" in
-nsk-cc-tandem)
-	SHOBJ_CFLAGS=-Wglobalized
-	case `uname -m` in
-	NSR*)
-		SHOBJ_CFLAGS="${SHOBJ_CFLAGS} -Wcall_shared" # default on TNS/E, needed on TNS/R
-		SHOBJ_LD=/usr/bin/ld # for TNS/R
-		;;
-	NSE*|NEO*)
-		SHOBJ_LD=/usr/bin/eld
-		;;
-	esac
-	SHOBJ_LDFLAGS='-shared -bglobalized -unres_symbols ignore'
-	;;
-
-sunos4*-*gcc*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD=/usr/bin/ld
-	SHOBJ_LDFLAGS='-assert pure-text'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-sunos4*)
-	SHOBJ_CFLAGS=-pic
-	SHOBJ_LD=/usr/bin/ld
-	SHOBJ_LDFLAGS='-assert pure-text'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-sunos5*-*gcc*|solaris2*-*gcc*)
-	SHOBJ_LD='${CC}'
-	ld_used=`gcc -print-prog-name=ld`
-	if ${ld_used} -V 2>&1 | grep GNU >/dev/null 2>&1; then
-		# This line works for the GNU ld
-		SHOBJ_LDFLAGS='-shared -Wl,-h,$@'
-		# http://sourceware.org/ml/binutils/2001-08/msg00361.html
-		SHOBJ_CFLAGS=-fPIC
-	else
-		# This line works for the Solaris linker in /usr/ccs/bin/ld
-		SHOBJ_LDFLAGS='-shared -Wl,-i -Wl,-h,$@'
-		SHOBJ_CFLAGS=-fpic
-	fi
-
-#	SHLIB_XLDFLAGS='-R $(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sunos5*|solaris2*)
-	SHOBJ_CFLAGS='-K pic'
-	SHOBJ_LD=/usr/ccs/bin/ld
-	SHOBJ_LDFLAGS='-G -dy -z text -i -h $@'
-
-#	SHLIB_XLDFLAGS='-R $(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-# All versions of Linux (including Gentoo/FreeBSD) or the semi-mythical GNU Hurd.
-linux*-*|gnu*-*|k*bsd*-gnu-*|freebsd*-gentoo)
-	SHOBJ_CFLAGS=-fPIC
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-
-	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir) -Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-freebsd2*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-x -Bshareable'
-
-	SHLIB_XLDFLAGS='-R$(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-# FreeBSD-3.x ELF
-freebsd3*|freebsdaout*)
-	SHOBJ_CFLAGS=-fPIC
-	SHOBJ_LD='${CC}'
-
-	if [ -x /usr/bin/objformat ] && [ "`/usr/bin/objformat`" = "elf" ]; then
-		SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-
-		SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
-		SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	else
-		SHOBJ_LDFLAGS='-shared'
-
-		SHLIB_XLDFLAGS='-R$(libdir)'
-		SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	fi
-	;;
-
-# FreeBSD-4.x and later have only ELF
-freebsd[4-9]*|freebsd1[0-9]*|freebsdelf*|dragonfly*)
-	SHOBJ_CFLAGS=-fPIC
-	SHOBJ_LD='${CC}'
-
-	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-# Darwin/MacOS X
-darwin*)
-	# Common definitions for all darwin/mac os x versions
-	SHOBJ_CFLAGS='-fno-common'
-
-	SHOBJ_LD='${CC}'
-
-	SHLIB_LIBVERSION='$(SHLIB_MAJOR)$(SHLIB_MINOR).$(SHLIB_LIBSUFF)'
-	SHLIB_LIBSUFF='dylib'
-
-	# unused at this time
-	SHLIB_SONAME='$(libdir)/`echo $@ | sed "s:\\..*::"`.$(SHLIB_MAJOR).$(SHLIB_LIBSUFF)'
-
-	case "${host_os}" in
-	# Darwin versions 1, 5, 6, 7 correspond to Mac OS X 10.0, 10.1, 10.2,
-	# and 10.3, respectively.
-	darwin[1-7].*)
-		SHOBJ_STATUS=unsupported
-		SHOBJ_LDFLAGS='-dynamic'
-		SHLIB_XLDFLAGS='-arch_only `/usr/bin/arch` -install_name $(libdir)/`echo $@ | sed "s:\\..*::"`.$(SHLIB_MAJOR).$(SHLIB_LIBSUFF) -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v'
-		;;
-	# Darwin 8 == Mac OS X 10.4; Mac OS X 10.N == Darwin N+4
-	*)
-		case "${host_os}" in
-		darwin[89]*|darwin1[012]*)
-			SHOBJ_ARCHFLAGS='-arch_only `/usr/bin/arch`'
-			;;
-		 *) 	# Mac OS X 10.9 (Mavericks) and later
-			SHOBJ_ARCHFLAGS=
-			# for 32 and 64bit universal library
-			#SHOBJ_ARCHFLAGS='-arch i386 -arch x86_64'
-			#SHOBJ_CFLAGS=${SHOBJ_CFLAGS}' -arch i386 -arch x86_64'
-			;;
-		 esac
-		 SHOBJ_LDFLAGS="-dynamiclib -dynamic -undefined dynamic_lookup ${SHOBJ_ARCHFLAGS}"
-		 SHLIB_XLDFLAGS="-dynamiclib ${SHOBJ_ARCHFLAGS}"' -install_name $(libdir)/`echo $@ | sed "s:\\..*::"`.$(SHLIB_MAJOR).$(SHLIB_LIBSUFF) -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v'
-		;;
-	esac
-
-	SHLIB_LIBS='-lncurses'	# see if -lcurses works on MacOS X 10.1 
-	;;
-
-openbsd*|netbsd*|mirbsd*)
-	SHOBJ_CFLAGS=-fPIC
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_XLDFLAGS='-R$(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-bsdi2*)
-	SHOBJ_CC=shlicc2
-	SHOBJ_CFLAGS=
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS=-r
-	SHOBJ_LIBS=-lc_s.2.1.0
-
-	# BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
-	# the ass -- they require changing {/usr/lib,etc}/shlib.map on
-	# each system, and the library creation process is byzantine
-	SHLIB_STATUS=unsupported
-	;;
-
-bsdi3*)
-	SHOBJ_CC=shlicc2
-	SHOBJ_CFLAGS=
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS=-r
-	SHOBJ_LIBS=-lc_s.3.0.0
-
-	# BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
-	# the ass -- they require changing {/usr/lib,etc}/shlib.map on
-	# each system, and the library creation process is byzantine
-	SHLIB_STATUS=unsupported
-	;;
-
-bsdi4*)
-	# BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked
-	# shared libraries.  gcc 2.x is the standard compiler, and the
-	# `normal' gcc options should work as they do in Linux.
-
-	SHOBJ_CFLAGS=-fPIC
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-
-	SHLIB_XLDFLAGS='-Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
-	;;
-
-osf*-*gcc*)
-	# Fix to use gcc linker driver from bfischer@TechFak.Uni-Bielefeld.DE
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-
-	SHLIB_XLDFLAGS='-rpath $(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-osf*)
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'
-
-	SHLIB_XLDFLAGS='-rpath $(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-aix4.[2-9]*-*gcc*|aix[5-9].*-*gcc*)		# lightly tested by jik@cisco.com
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD='ld'
-	SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
-	SHOBJ_XLDFLAGS='-G'
-
-	SHLIB_XLDFLAGS='-bM:SRE'
-	SHLIB_LIBS='-lcurses -lc'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-aix4.[2-9]*|aix[5-9].*)
-	SHOBJ_CFLAGS=-K
-	SHOBJ_LD='ld'
-	SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
-	SHOBJ_XLDFLAGS='-G'
-
-	SHLIB_XLDFLAGS='-bM:SRE'
-	SHLIB_LIBS='-lcurses -lc'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-#
-# THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface
-#
-irix[56]*-*gcc*)
-	SHOBJ_CFLAGS='-fpic'
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
-
-	SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-irix[56]*)
-	SHOBJ_CFLAGS='-K PIC'
-	SHOBJ_LD=ld
-#	SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'
-#	Change from David Kaelbling <drk@sgi.com>.  If you have problems,
-#	remove the `-no_unresolved'
-	SHOBJ_LDFLAGS='-shared -no_unresolved -soname $@'
-
-	SHLIB_XLDFLAGS='-rpath $(libdir)'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-hpux9*-*gcc*)
-	# must use gcc; the bundled cc cannot compile PIC code
-	SHOBJ_CFLAGS='-fpic'
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
-
-	SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
-	SHLIB_LIBSUFF='sl'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-hpux9*)
-	SHOBJ_STATUS=unsupported
-	SHLIB_STATUS=unsupported
-
-	# If you are using the HP ANSI C compiler, you can uncomment and use
-	# this code (I have not tested it)
-#	SHOBJ_STATUS=supported
-#	SHLIB_STATUS=supported
-#
-#	SHOBJ_CFLAGS='+z'
-#	SHOBJ_LD='ld'
-#	SHOBJ_LDFLAGS='-b +s'
-#
-#	SHLIB_XLDFLAGS='+b $(libdir)'
-#	SHLIB_LIBSUFF='sl'
-#	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'	
-
-	;;
-
-hpux10*-*gcc*)
-	# must use gcc; the bundled cc cannot compile PIC code
-	SHOBJ_CFLAGS='-fpic'
-	SHOBJ_LD='${CC}'
-	# if you have problems linking here, moving the `-Wl,+h,$@' from
-	# SHLIB_XLDFLAGS to SHOBJ_LDFLAGS has been reported to work
-	SHOBJ_LDFLAGS='-shared -fpic -Wl,-b -Wl,+s'
-
-	SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'
-	SHLIB_LIBSUFF='sl'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-hpux10*)
-	SHOBJ_STATUS=unsupported
-	SHLIB_STATUS=unsupported
-
-	# If you are using the HP ANSI C compiler, you can uncomment and use
-	# this code (I have not tested it)
-#	SHOBJ_STATUS=supported
-#	SHLIB_STATUS=supported
-#
-#	SHOBJ_CFLAGS='+z'
-#	SHOBJ_LD='ld'
-#	SHOBJ_LDFLAGS='-b +s +h $@'
-#
-#	SHLIB_XLDFLAGS='+b $(libdir)'
-#	SHLIB_LIBSUFF='sl'
-#	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'	
-
-	;;
-
-hpux11*-*gcc*)
-	# must use gcc; the bundled cc cannot compile PIC code
-	SHOBJ_CFLAGS='-fpic'
-	SHOBJ_LD='${CC}'
-#	SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'
-	SHOBJ_LDFLAGS='-shared -fpic -Wl,-b -Wl,+s -Wl,+h,$@'
-
-	SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
-	SHLIB_LIBSUFF='sl'
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-hpux11*)
-	SHOBJ_STATUS=unsupported
-	SHLIB_STATUS=unsupported
-
-	# If you are using the HP ANSI C compiler, you can uncomment and use
-	# this code (I have not tested it)
-#	SHOBJ_STATUS=supported
-#	SHLIB_STATUS=supported
-#
-#	SHOBJ_CFLAGS='+z'
-#	SHOBJ_LD='ld'
-#	SHOBJ_LDFLAGS='-b +s +h $@'
-#
-#	SHLIB_XLDFLAGS='+b $(libdir)'
-#	SHLIB_LIBSUFF='sl'
-#	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'	
-
-	;;
-
-sysv4*-*gcc*)
-	SHOBJ_CFLAGS=-shared
-	SHOBJ_LDFLAGS='-shared -h $@'
-	SHOBJ_LD='${CC}'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv4*)
-	SHOBJ_CFLAGS='-K PIC'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-dy -z text -G -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sco3.2v5*-*gcc*)
-	SHOBJ_CFLAGS='-fpic'		# DEFAULTS TO ELF
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sco3.2v5*)
-	SHOBJ_CFLAGS='-K pic -b elf'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5uw7*-*gcc*)
-	SHOBJ_CFLAGS='-fpic'
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5uw7*)
-	SHOBJ_CFLAGS='-K PIC'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-G -dy -z text -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5UnixWare*-*gcc*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5UnixWare*)
-	SHOBJ_CFLAGS='-K PIC'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-G -dy -z text -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5OpenUNIX*-*gcc*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-sysv5OpenUNIX*)
-	SHOBJ_CFLAGS='-K PIC'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-G -dy -z text -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-dgux*-*gcc*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-dgux*)
-	SHOBJ_CFLAGS='-K pic'
-	SHOBJ_LD=ld
-	SHOBJ_LDFLAGS='-G -dy -h $@'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-msdos*)
-	SHOBJ_STATUS=unsupported
-	SHLIB_STATUS=unsupported
-	;;
-
-cygwin*)
-	SHOBJ_LD='$(CC)'
-	SHOBJ_LDFLAGS='-shared -Wl,--enable-auto-import -Wl,--enable-auto-image-base -Wl,--export-all -Wl,--out-implib=$(@).a'
-	SHLIB_LIBPREF='cyg'
-	SHLIB_LIBSUFF='dll'
-	SHLIB_LIBVERSION='$(SHLIB_DLLVERSION).$(SHLIB_LIBSUFF)'
-	SHLIB_LIBS='$(TERMCAP_LIB)'
-
-	SHLIB_DOT=
-	# For official cygwin releases, DLLVERSION will be defined in the
-	# environment of configure, and will be incremented any time the API
-	# changes in a non-backwards compatible manner.  Otherwise, it is just
-	# SHLIB_MAJOR.
-	if [ -n "$DLLVERSION" ] ; then
-		SHLIB_DLLVERSION="$DLLVERSION"
-	fi
-	;;
-
-mingw*)
-	SHOBJ_LD='$(CC)'
-	SHOBJ_LDFLAGS='-shared -Wl,--enable-auto-import -Wl,--enable-auto-image-base -Wl,--export-all -Wl,--out-implib=$(@).a'
-	SHLIB_LIBSUFF='dll'
-	SHLIB_LIBVERSION='$(SHLIB_DLLVERSION).$(SHLIB_LIBSUFF)'
-	SHLIB_LIBS='$(TERMCAP_LIB)'
-
-	SHLIB_DOT=
-	# For official cygwin releases, DLLVERSION will be defined in the
-	# environment of configure, and will be incremented any time the API
-	# changes in a non-backwards compatible manner.  Otherwise, it is just
-	# SHLIB_MAJOR.
-	if [ -n "$DLLVERSION" ] ; then
-		SHLIB_DLLVERSION="$DLLVERSION"
-	fi
-	;;
-
-#
-# Rely on correct gcc configuration for everything else
-#
-*-*gcc*)
-	SHOBJ_CFLAGS=-fpic
-	SHOBJ_LD='${CC}'
-	SHOBJ_LDFLAGS='-shared'
-
-	SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
-	;;
-
-*)
-	SHOBJ_STATUS=unsupported
-	SHLIB_STATUS=unsupported
-	;;
-
-esac
-
-echo SHOBJ_CC=\'"$SHOBJ_CC"\'
-echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'
-echo SHOBJ_LD=\'"$SHOBJ_LD"\'
-echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'
-echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'
-echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'
-
-echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'
-echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'
-
-echo SHLIB_DOT=\'"$SHLIB_DOT"\'
-
-echo SHLIB_LIBPREF=\'"$SHLIB_LIBPREF"\'
-echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'
-
-echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'
-echo SHLIB_DLLVERSION=\'"$SHLIB_DLLVERSION"\'
-
-echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'
-echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'
-
-exit 0
diff --git a/test/hooks.bats b/test/hooks.bats
index 9f056b37..5fcd85f5 100644
--- a/test/hooks.bats
+++ b/test/hooks.bats
@@ -43,16 +43,16 @@ ${RBENV_TEST_DIR}/etc/rbenv hooks/exec/ahoy.bash
 OUT
 }
 
-@test "resolves relative paths" {
+@test "does not canonicalize paths" {
   RBENV_HOOK_PATH="${RBENV_TEST_DIR}/rbenv.d"
   create_hook exec "hello.bash"
   mkdir -p "$HOME"
 
   RBENV_HOOK_PATH="${HOME}/../rbenv.d" run rbenv-hooks exec
-  assert_success "${RBENV_TEST_DIR}/rbenv.d/exec/hello.bash"
+  assert_success "${RBENV_TEST_DIR}/home/../rbenv.d/exec/hello.bash"
 }
 
-@test "resolves symlinks" {
+@test "does not resolve symlinks" {
   path="${RBENV_TEST_DIR}/rbenv.d"
   mkdir -p "${path}/exec"
   mkdir -p "$HOME"
@@ -64,7 +64,7 @@ OUT
   RBENV_HOOK_PATH="$path" run rbenv-hooks exec
   assert_success
   assert_output <<OUT
-${HOME}/hola.bash
-${RBENV_TEST_DIR}/rbenv.d/exec/bright.sh
+${RBENV_TEST_DIR}/rbenv.d/exec/hello.bash
+${RBENV_TEST_DIR}/rbenv.d/exec/world.bash
 OUT
 }
diff --git a/test/run b/test/run
index 7f0025c3..585d9b72 100755
--- a/test/run
+++ b/test/run
@@ -1,9 +1,4 @@
 #!/usr/bin/env bash
 set -e
 
-if [ -n "$RBENV_NATIVE_EXT" ]; then
-  src/configure
-  make -C src
-fi
-
 exec bats ${CI:+--tap} "${@:-test}"
diff --git a/test/test_helper.bash b/test/test_helper.bash
index d52ad0e0..b8b362cc 100644
--- a/test/test_helper.bash
+++ b/test/test_helper.bash
@@ -6,15 +6,6 @@ if [ -z "$RBENV_TEST_DIR" ]; then
   RBENV_TEST_DIR="${BATS_TMPDIR}/rbenv"
   export RBENV_TEST_DIR="$(mktemp -d "${RBENV_TEST_DIR}.XXX" 2>/dev/null || echo "$RBENV_TEST_DIR")"
 
-  if enable -f "${BATS_TEST_DIRNAME}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
-    export RBENV_TEST_DIR="$(realpath "$RBENV_TEST_DIR")"
-  else
-    if [ -n "$RBENV_NATIVE_EXT" ]; then
-      echo "rbenv: failed to load \`realpath' builtin" >&2
-      exit 1
-    fi
-  fi
-
   export RBENV_ROOT="${RBENV_TEST_DIR}/root"
   export HOME="${RBENV_TEST_DIR}/home"
   export RBENV_HOOK_PATH="${RBENV_ROOT}/rbenv.d"