diff --git a/src/common.h b/src/common.h
index 821ee8844..287df60e2 100644
--- a/src/common.h
+++ b/src/common.h
@@ -49,7 +49,6 @@ typedef SSIZE_T ssize_t;
 #include "git2/common.h"
 #include "util.h"
 #include "thread-utils.h"
-#include "errors.h"
 #include "bswap.h"
 
 #define GIT_PATH_MAX 4096
diff --git a/src/errors.c b/src/errors.c
index ac73402ee..df8b82200 100644
--- a/src/errors.c
+++ b/src/errors.c
@@ -1,34 +1,6 @@
 #include "common.h"
 #include "thread-utils.h" /* for GIT_TLS */
 
-#if defined(GIT_TLS)
-/* compile-time constant initialization required */
-GIT_TLS int git_errno = 0;
-
-#elif defined(GIT_HAS_PTHREAD)
-
-static pthread_key_t errno_key;
-
-static void init_errno(void) __attribute__((constructor));
-static void init_errno(void)
-{
-	pthread_key_create(&errno_key, free);
-}
-
-int *git__errno_storage(void)
-{
-	int *e = pthread_getspecific(errno_key);
-	if (!e) {
-#undef calloc
-		e = calloc(1, sizeof(*e));
-#define calloc(a,b) GIT__FORBID_MALLOC
-		pthread_setspecific(errno_key, e);
-	}
-	return e;
-}
-
-#endif
-
 static struct {
 	int num;
 	const char *str;
diff --git a/src/errors.h b/src/errors.h
deleted file mode 100644
index d22a03b33..000000000
--- a/src/errors.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef INCLUDE_errors_h__
-#define INCLUDE_errors_h__
-
-#include "git2/errors.h"
-
-/* convenience functions */
-GIT_INLINE(int) git_int_error(int code)
-{
-	git_errno = code;
-	return code;
-}
-
-GIT_INLINE(int) git_os_error(void)
-{
-	return git_int_error(GIT_EOSERR);
-}
-
-GIT_INLINE(void) *git_ptr_error(int code)
-{
-	git_errno = code;
-	return NULL;
-}
-
-#endif
diff --git a/src/fileops.c b/src/fileops.c
index 5f5944c62..7b11c9c3a 100644
--- a/src/fileops.c
+++ b/src/fileops.c
@@ -5,13 +5,13 @@
 int gitfo_open(const char *path, int flags)
 {
 	int fd = open(path, flags | O_BINARY);
-	return fd >= 0 ? fd : git_os_error();
+	return fd >= 0 ? fd : GIT_EOSERR;
 }
 
 int gitfo_creat(const char *path, int mode)
 {
 	int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode);
-	return fd >= 0 ? fd : git_os_error();
+	return fd >= 0 ? fd : GIT_EOSERR;
 }
 
 int gitfo_read(git_file fd, void *buf, size_t cnt)
@@ -22,11 +22,11 @@ int gitfo_read(git_file fd, void *buf, size_t cnt)
 		if (r < 0) {
 			if (errno == EINTR || errno == EAGAIN)
 				continue;
-			return git_os_error();
+			return GIT_EOSERR;
 		}
 		if (!r) {
 			errno = EPIPE;
-			return git_os_error();
+			return GIT_EOSERR;
 		}
 		cnt -= r;
 		b += r;
@@ -42,11 +42,11 @@ int gitfo_write(git_file fd, void *buf, size_t cnt)
 		if (r < 0) {
 			if (errno == EINTR || errno == EAGAIN)
 				continue;
-			return git_os_error();
+			return GIT_EOSERR;
 		}
 		if (!r) {
 			errno = EPIPE;
-			return git_os_error();
+			return GIT_EOSERR;
 		}
 		cnt -= r;
 		b += r;
@@ -93,7 +93,7 @@ off_t gitfo_size(git_file fd)
 {
 	struct stat sb;
 	if (gitfo_fstat(fd, &sb))
-		return git_os_error();
+		return GIT_EOSERR;
 	return sb.st_size;
 }
 
@@ -152,13 +152,13 @@ int gitfo_move_file(char *from, char *to)
 	if (!rename(from, to))
 		return GIT_SUCCESS;
 
-	return git_os_error();
+	return GIT_EOSERR;
 }
 
 int gitfo_map_ro(git_map *out, git_file fd, off_t begin, size_t len)
 {
 	if (git__mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin) < GIT_SUCCESS)
-		return git_os_error();
+		return GIT_EOSERR;
 	return GIT_SUCCESS;
 }
 
@@ -276,7 +276,7 @@ int gitfo_dirent(
 
 	dir = opendir(path);
 	if (!dir)
-		return git_os_error();
+		return GIT_EOSERR;
 
 	while ((de = readdir(dir)) != NULL) {
 		size_t de_len;
diff --git a/src/git2/common.h b/src/git2/common.h
index 9d014c038..bbeec4128 100644
--- a/src/git2/common.h
+++ b/src/git2/common.h
@@ -55,6 +55,8 @@
 			      __attribute__((visibility("default"))) \
 			      GIT_TLS \
 			      type
+#elif defined(_MSC_VER)
+# define GIT_EXTERN_TLS(type) __declspec(dllexport) GIT_TLS type
 #else
 # define GIT_EXTERN_TLS(type) extern GIT_TLS type
 #endif
diff --git a/src/git2/errors.h b/src/git2/errors.h
index 98bce4857..627e67c70 100644
--- a/src/git2/errors.h
+++ b/src/git2/errors.h
@@ -33,16 +33,6 @@
  */
 GIT_BEGIN_DECL
 
-/** The git errno. */
-#if defined(GIT_TLS)
-GIT_EXTERN_TLS(int) git_errno;
-
-#elif defined(GIT_HAS_PTHREAD)
-# define git_errno (*git__errno_storage())
-GIT_EXTERN(int *) git__errno_storage(void);
-
-#endif
-
 /**
  * strerror() for the Git library
  * @param num The error code to explain
diff --git a/src/unix/map.c b/src/unix/map.c
index a41bae0b8..3008008a6 100644
--- a/src/unix/map.c
+++ b/src/unix/map.c
@@ -40,7 +40,7 @@ int git__mmap(git_map *out, size_t len, int prot, int flags, int fd, off_t offse
 
 	out->data = mmap(NULL, len, mprot, mflag, fd, offset);
 	if (!out->data || out->data == MAP_FAILED)
-		return git_os_error();
+		return GIT_EOSERR;
 	out->len = len;
 
 	return GIT_SUCCESS;
diff --git a/src/util.c b/src/util.c
index debf526d2..a3b62effa 100644
--- a/src/util.c
+++ b/src/util.c
@@ -3,30 +3,6 @@
 #include <stdarg.h>
 #include <stdio.h>
 
-void *git__malloc(size_t n)
-{
-	void *r = malloc(n);
-	if (!r)
-		return git_ptr_error(GIT_ENOMEM);
-	return r;
-}
-
-void *git__calloc(size_t a, size_t b)
-{
-	void *r = calloc(a, b);
-	if (!r)
-		return git_ptr_error(GIT_ENOMEM);
-	return r;
-}
-
-char *git__strdup(const char *s)
-{
-	char *r = strdup(s);
-	if (!r)
-		return git_ptr_error(GIT_ENOMEM);
-	return r;
-}
-
 int git__fmt(char *buf, size_t buf_sz, const char *fmt, ...)
 {
 	va_list va;
diff --git a/src/util.h b/src/util.h
index 5f647253c..808b20da4 100644
--- a/src/util.h
+++ b/src/util.h
@@ -3,28 +3,16 @@
 
 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 
-extern void *git__malloc(size_t);
-extern void *git__calloc(size_t, size_t);
-extern char *git__strdup(const char *);
-
-#ifndef GIT__NO_HIDE_MALLOC
-# define GIT__FORBID_MALLOC do_not_use_malloc_directly
-
-# ifdef malloc
-#  undef malloc
-# endif
-# define malloc(a)          GIT__FORBID_MALLOC
-
-# ifdef calloc
-#  undef calloc
-# endif
-# define calloc(a,b)        GIT__FORBID_MALLOC
-
-# ifdef strdup
-#  undef strdup
-# endif
-# define strdup(a)          GIT__FORBID_MALLOC
-#endif
+/* 
+ * Don't wrap malloc/calloc.
+ * Use the default versions in glibc, and make
+ * sure that any methods that allocate memory
+ * return a GIT_ENOMEM error when allocation
+ * fails.
+ */
+#define git__malloc malloc
+#define git__calloc calloc
+#define git__strdup strdup
 
 extern int git__fmt(char *, size_t, const char *, ...)
 	GIT_FORMAT_PRINTF(3, 4);
diff --git a/tests/t0001-errno.c b/tests/t0001-errno.c
deleted file mode 100644
index acb12d3a5..000000000
--- a/tests/t0001-errno.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "test_lib.h"
-#include "errors.h"
-
-BEGIN_TEST(errno_zero_on_init)
-	must_be_true(git_errno == 0);
-END_TEST
-
-BEGIN_TEST(set_ENOTOID)
-	must_be_true(GIT_ENOTOID != 0);
-	git_errno = GIT_ENOTOID;
-	must_be_true(git_errno == GIT_ENOTOID);
-END_TEST
diff --git a/wscript b/wscript
index 104de86a5..85f7385b2 100644
--- a/wscript
+++ b/wscript
@@ -74,15 +74,15 @@ def build(bld):
 
     # command '[build|clean|install|uninstall]-static'
     if bld.variant == 'static':
-        build_library(bld, 'cstlib')
+        build_library(bld, 'static')
 
     # command '[build|clean|install|uninstall]-shared'
     elif bld.variant == 'shared':
-        build_library(bld, 'cshlib')
+        build_library(bld, 'shared')
 
     # command '[build|clean]-tests'
     elif bld.variant == 'tests':
-        build_library(bld, 'cshlib')
+        build_library(bld, 'objects')
         build_tests(bld)
 
     # command 'build|clean|install|uninstall': by default, run
@@ -91,9 +91,15 @@ def build(bld):
         from waflib import Options
         Options.commands = [bld.cmd + '-shared', bld.cmd + '-static'] + Options.commands
 
-def build_library(bld, lib_str):
-    directory = bld.path
+def build_library(bld, build_type):
 
+    BUILD = {
+        'shared' : bld.shlib,
+        'static' : bld.stlib,
+        'objects' : bld.objects
+    }
+
+    directory = bld.path
     sources = directory.ant_glob('src/*.c')
 
     # Compile platform-dependant code
@@ -106,15 +112,12 @@ def build_library(bld, lib_str):
         sources.append('src/ppc/sha1.c')
     else:
         sources.append('src/block-sha1/sha1.c')
-
-    features = ['c', lib_str]
-
     #------------------------------
     # Build the main library
     #------------------------------
 
     # either as static or shared;
-    bld(features=features,
+    BUILD[build_type](
         source=sources,
         target='git2',
         includes='src',
@@ -123,8 +126,8 @@ def build_library(bld, lib_str):
     )
 
     # On Unix systems, build the Pkg-config entry file
-    if bld.env.PLATFORM == 'unix':
-        bld(rule="""sed -e 's#@prefix@#$(prefix)#' -e 's#@libdir@#$(libdir)#' < ${SRC} > ${TGT}""",
+    if bld.env.PLATFORM == 'unix' and bld.is_install:
+        bld(rule="""sed -e 's#@prefix@#${PREFIX}#' -e 's#@libdir@#${LIBDIR}#' < ${SRC} > ${TGT}""",
             source='libgit2.pc.in',
             target='libgit2.pc',
             install_path='${LIBDIR}/pkgconfig',
@@ -134,6 +137,13 @@ def build_library(bld, lib_str):
     bld.install_files('${PREFIX}/include', directory.find_node('src/git2.h'))
     bld.install_files('${PREFIX}/include/git2', directory.ant_glob('src/git2/*.h'))
 
+    # On Unix systems, let them know about installation
+    if bld.env.PLATFORM == 'unix' and bld.cmd in ['install-static', 'install-shared']:
+        bld.add_post_fun(call_ldconfig)
+
+def call_ldconfig(bld):
+    bld.exec_command('/sbin/ldconfig')
+
 def grep_test_header(text, test_file):
     return '\n'.join(l for l in test_file.read().splitlines() if text in l)
 
@@ -144,7 +154,7 @@ def build_tests(bld):
         return
 
     directory = bld.path
-    resources_path = directory.find_node('tests/resources/').abspath()
+    resources_path = directory.find_node('tests/resources/').abspath().replace('\\', '/')
 
     # Common object with the Test library methods
     bld.objects(source=['tests/test_helpers.c', 'tests/test_lib.c'], includes=['src', 'tests'], target='test_helper')
@@ -167,7 +177,6 @@ def build_tests(bld):
             includes=['src', 'tests'],
             defines=['TEST_TOC="%s.toc"' % test_name, 'TEST_RESOURCES="%s"' % resources_path],
             install_path=None,
-            shlibpath=[directory.find_node('build/tests/').abspath()],
             use=['test_helper', 'git2'] + ALL_LIBS  # link with all the libs we know
                                             # libraries which are not enabled won't link
         )
@@ -200,28 +209,17 @@ class _run_tests(Context):
     fun = 'run_tests'
 
 def run_tests(ctx):
-    import shutil, tempfile, sys, os
+    import shutil, tempfile, sys
 
     failed = False
     test_folder = tempfile.mkdtemp()
-    build_folder = ctx.path.find_node('build/tests/')
     test_glob = 'build/tests/t????-*'
-    environ = os.environ.copy()
-    environ_tail = ""
 
     if sys.platform == 'win32':
         test_glob += '.exe'
-        environ_var, environ_separator = 'PATH', ';'
-    else:
-        environ_var, environ_separator = 'LD_LIBRARY_PATH', ':'
-
-    if environ_var in environ:
-        environ_tail = environ_separator + environ[environ_var]
-
-    environ[environ_var] = build_folder.abspath() + environ_tail
 
     for test in ctx.path.ant_glob(test_glob):
-        if ctx.exec_command(test.abspath(), cwd=test_folder, env=environ) != 0:
+        if ctx.exec_command(test.abspath(), cwd=test_folder) != 0:
             failed = True
             break