diff --git a/.travis.yml b/.travis.yml
index 90306dab..885e4517 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,7 @@ matrix:
 
 
     # Standard Ubuntu 12.04 LTS Server Edition 64 bit
-    - env: Ubu=12.04 Cmd="make -C programs zstd-small zstd-decompress zstd-compress && make -C programs clean && make -C tests versionsTest"
+    - env: Ubu=12.04 Cmd="make -C programs zstd-small zstd-decompress zstd-compress && make -C programs clean && make -C tests versionsTest test-longmatch"
       os: linux
       sudo: required
 
diff --git a/appveyor.yml b/appveyor.yml
index bfdbfe6c..51ff488a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,11 +2,14 @@ version: 1.0.{build}
 environment:
   matrix:
   - COMPILER: "gcc"
-    MAKE_PARAMS: '"make test && make lib && make -C tests test-symbols fullbench-dll fullbench-lib"'
     PLATFORM: "mingw64"
+    MAKE_PARAMS: '"make test && make lib && make -C tests test-symbols fullbench-dll fullbench-lib"'
   - COMPILER: "gcc"
-    MAKE_PARAMS: "make test"
     PLATFORM: "mingw32"
+    MAKE_PARAMS: '"make -C tests test-zstd test-fullbench test-fuzzer test-invalidDictionaries"'
+  - COMPILER: "gcc"
+    PLATFORM: "clang"
+    MAKE_PARAMS: '"make -C tests zstd fullbench fuzzer paramgrill datagen CC=clang MOREFLAGS="--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion""'
   - COMPILER: "visual"
     CONFIGURATION: "Debug"
     PLATFORM: "x64"
@@ -25,7 +28,6 @@ install:
   - MKDIR bin
   - if [%COMPILER%]==[gcc] SET PATH_ORIGINAL=%PATH%
   - if [%COMPILER%]==[gcc] (
-      SET "CLANG_PARAMS=-C tests zstd fullbench fuzzer paramgrill datagen CC=clang MOREFLAGS="--target=x86_64-w64-mingw32 -Werror -Wconversion -Wno-sign-conversion"" &&
       SET "PATH_MINGW32=c:\MinGW\bin;c:\MinGW\usr\bin" &&
       SET "PATH_MINGW64=c:\msys64\mingw64\bin;c:\msys64\usr\bin" &&
       COPY C:\msys64\usr\bin\make.exe C:\MinGW\bin\make.exe &&
@@ -38,31 +40,7 @@ build_script:
   - ECHO Building %COMPILER% %PLATFORM% %CONFIGURATION%
   - if [%PLATFORM%]==[mingw32] SET PATH=%PATH_MINGW32%;%PATH_ORIGINAL%
   - if [%PLATFORM%]==[mingw64] SET PATH=%PATH_MINGW64%;%PATH_ORIGINAL%
-  - if [%PLATFORM%]==[mingw64] (
-      make clean &&
-      ECHO *** &&
-      ECHO *** Building clang &&
-      ECHO *** &&
-      ECHO make %CLANG_PARAMS% &&
-      make %CLANG_PARAMS% &&
-      COPY tests\fuzzer.exe tests\fuzzer_clang.exe &&
-      ECHO *** &&
-      ECHO *** Building cmake for %PLATFORM% &&
-      ECHO *** &&
-      mkdir build\cmake\build &&
-      cd build\cmake\build &&
-      cmake -G "Visual Studio 14 2015 Win64" .. &&
-      cd ..\..\.. &&
-      make clean &&
-      ECHO *** &&
-      ECHO *** Building pzstd for %PLATFORM% &&
-      ECHO *** &&
-      make -C contrib\pzstd googletest-mingw64 &&
-      make -C contrib\pzstd pzstd.exe &&
-      make -C contrib\pzstd tests &&
-      make -C contrib\pzstd check &&
-      make -C contrib\pzstd clean
-    )
+  - if [%PLATFORM%]==[clang] SET PATH=%PATH_MINGW64%;%PATH_ORIGINAL%
   - if [%COMPILER%]==[gcc] (
       ECHO *** &&
       ECHO *** Building %PLATFORM% &&
@@ -72,6 +50,7 @@ build_script:
       ECHO %MAKE_PARAMS% &&
       sh -c %MAKE_PARAMS%
     )
+  - if [%PLATFORM%]==[clang] COPY tests\fuzzer.exe tests\fuzzer_clang.exe
   - if [%COMPILER%]==[gcc] if [%PLATFORM%]==[mingw64] (
       COPY programs\zstd.exe bin\zstd.exe &&
       appveyor PushArtifact bin\zstd.exe
@@ -135,8 +114,24 @@ build_script:
 test_script:
   - ECHO Testing %COMPILER% %PLATFORM% %CONFIGURATION%
   - SET FUZZERTEST=-T1mn
-  - if [%COMPILER%]==[gcc] (
-      if [%PLATFORM%]==[mingw64] tests\fuzzer_clang.exe %FUZZERTEST%
+  - if [%COMPILER%]==[gcc] if [%PLATFORM%]==[clang] (
+      tests\fuzzer_clang.exe %FUZZERTEST% &&
+      ECHO *** &&
+      ECHO *** Building cmake for %PLATFORM% &&
+      ECHO *** &&
+      mkdir build\cmake\build &&
+      cd build\cmake\build &&
+      cmake -G "Visual Studio 14 2015 Win64" .. &&
+      cd ..\..\.. &&
+      make clean &&
+      ECHO *** &&
+      ECHO *** Building pzstd for %PLATFORM% &&
+      ECHO *** &&
+      make -C contrib\pzstd googletest-mingw64 &&
+      make -C contrib\pzstd pzstd.exe &&
+      make -C contrib\pzstd tests &&
+      make -C contrib\pzstd check &&
+      make -C contrib\pzstd clean
     )
   - if [%COMPILER%]==[visual] if [%CONFIGURATION%]==[Release] (
       CD tests &&
diff --git a/lib/common/zstd_common.c b/lib/common/zstd_common.c
index 749b2870..8408a589 100644
--- a/lib/common/zstd_common.c
+++ b/lib/common/zstd_common.c
@@ -41,7 +41,7 @@ ZSTD_ErrorCode ZSTD_getErrorCode(size_t code) { return ERR_getErrorCode(code); }
 
 /*! ZSTD_getErrorString() :
 *   provides error code string from enum */
-const char* ZSTD_getErrorString(ZSTD_ErrorCode code) { return ERR_getErrorName(code); }
+const char* ZSTD_getErrorString(ZSTD_ErrorCode code) { return ERR_getErrorString(code); }
 
 
 /*=**************************************************************
diff --git a/lib/deprecated/zbuff.h b/lib/deprecated/zbuff.h
index 85f97355..f6209197 100644
--- a/lib/deprecated/zbuff.h
+++ b/lib/deprecated/zbuff.h
@@ -42,7 +42,9 @@ extern "C" {
 #ifdef ZBUFF_DISABLE_DEPRECATE_WARNINGS
 #  define ZBUFF_DEPRECATED(message) ZSTDLIB_API  /* disable deprecation warnings */
 #else
-#  if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
+#  if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
+#    define ZBUFF_DEPRECATED(message) [[deprecated(message)]] ZSTDLIB_API
+#  elif (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
 #    define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated(message)))
 #  elif defined(__GNUC__) && (__GNUC__ >= 3)
 #    define ZBUFF_DEPRECATED(message) ZSTDLIB_API __attribute__((deprecated))
diff --git a/lib/dictBuilder/zdict.h b/lib/dictBuilder/zdict.h
index 4d0a62a2..4ead4474 100644
--- a/lib/dictBuilder/zdict.h
+++ b/lib/dictBuilder/zdict.h
@@ -174,7 +174,7 @@ ZDICTLIB_API size_t ZDICT_finalizeDictionary(void* dictBuffer, size_t dictBuffer
 #else
 #  define ZDICT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
 #  if defined (__cplusplus) && (__cplusplus >= 201402) /* C++14 or greater */
-#    define ZDICT_DEPRECATED(message) ZDICTLIB_API [[deprecated(message)]]
+#    define ZDICT_DEPRECATED(message) [[deprecated(message)]] ZDICTLIB_API
 #  elif (ZDICT_GCC_VERSION >= 405) || defined(__clang__)
 #    define ZDICT_DEPRECATED(message) ZDICTLIB_API __attribute__((deprecated(message)))
 #  elif (ZDICT_GCC_VERSION >= 301)
diff --git a/programs/Makefile b/programs/Makefile
index c9602963..efe68443 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -67,11 +67,9 @@ endif
 
 # zlib detection
 VOID = /dev/null
-HAVE_ZLIB := $(shell echo -e "\#include <zlib.h>\nint main(){}" | $(CC) -o have_zlib -x c - -lz 2> $(VOID) && echo 1 || echo 0)
+HAVE_ZLIB := $(shell printf '\#include <zlib.h>\nint main(){}' | $(CC) -o have_zlib -x c - -lz 2> $(VOID) && echo 1 || echo 0)
 ifeq ($(HAVE_ZLIB), 1)
 TEMP := $(shell rm have_zlib$(EXT))
-endif
-ifeq ($(HAVE_ZLIB), 1)
 ZLIBCPP = -DZSTD_GZCOMPRESS -DZSTD_GZDECOMPRESS
 ZLIBLD = -lz
 endif
diff --git a/programs/platform.h b/programs/platform.h
index f30528aa..1b53e1f8 100644
--- a/programs/platform.h
+++ b/programs/platform.h
@@ -1,6 +1,6 @@
 /**
  * platform.h - compiler and OS detection
- * 
+ *
  * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
@@ -23,7 +23,7 @@ extern "C" {
 ****************************************/
 #if defined(_MSC_VER)
 #  define _CRT_SECURE_NO_WARNINGS   /* Disable Visual Studio warning messages for fopen, strncpy, strerror */
-#  define _CRT_SECURE_NO_DEPRECATE  /* VS2005 - must be declared before <io.h> and <windows.h> */ 
+#  define _CRT_SECURE_NO_DEPRECATE  /* VS2005 - must be declared before <io.h> and <windows.h> */
 #  if (_MSC_VER <= 1800)            /* (1800 = Visual Studio 2013) */
 #    define snprintf sprintf_s      /* snprintf unsupported by Visual <= 2013 */
 #  endif
@@ -77,7 +77,9 @@ extern "C" {
 #    define PLATFORM_POSIX_VERSION 200112L
 #  else
 #    if defined(__linux__) || defined(__linux)
-#      define _POSIX_C_SOURCE 200112L  /* use feature test macro */
+#      ifndef _POSIX_C_SOURCE
+#        define _POSIX_C_SOURCE 200112L  /* use feature test macro */
+#      endif
 #    endif
 #    include <unistd.h>  /* declares _POSIX_VERSION */
 #    if defined(_POSIX_VERSION)  /* POSIX compliant */
diff --git a/programs/util.h b/programs/util.h
index 656b3a96..16bd3bdf 100644
--- a/programs/util.h
+++ b/programs/util.h
@@ -143,7 +143,7 @@ UTIL_STATIC void UTIL_waitForNextTick(UTIL_time_t ticksPerSecond)
 ******************************************/
 #if defined(_MSC_VER)
 	#define chmod _chmod
-	typedef struct _stat64 stat_t;
+	typedef struct __stat64 stat_t;
 #else
     typedef struct stat stat_t;
 #endif
@@ -190,6 +190,10 @@ UTIL_STATIC U64 UTIL_getFileSize(const char* infilename)
     struct _stat64 statbuf;
     r = _stat64(infilename, &statbuf);
     if (r || !(statbuf.st_mode & S_IFREG)) return 0;   /* No good... */
+#elif defined(__MINGW32__) && defined (__MSVCRT__)
+    struct _stati64 statbuf;
+    r = _stati64(infilename, &statbuf);
+    if (r || !(statbuf.st_mode & S_IFREG)) return 0;   /* No good... */
 #else
     struct stat statbuf;
     r = stat(infilename, &statbuf);
@@ -213,7 +217,7 @@ UTIL_STATIC int UTIL_doesFileExists(const char* infilename)
 {
     int r;
 #if defined(_MSC_VER)
-    struct _stat64 statbuf;
+    struct __stat64 statbuf;
     r = _stat64(infilename, &statbuf);
     if (r || !(statbuf.st_mode & S_IFREG)) return 0;   /* No good... */
 #else
@@ -229,7 +233,7 @@ UTIL_STATIC U32 UTIL_isDirectory(const char* infilename)
 {
     int r;
 #if defined(_MSC_VER)
-    struct _stat64 statbuf;
+    struct __stat64 statbuf;
     r = _stat64(infilename, &statbuf);
     if (!r && (statbuf.st_mode & _S_IFDIR)) return 1;
 #else
diff --git a/tests/Makefile b/tests/Makefile
index 07069d3a..a6f3ada6 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -225,7 +225,7 @@ zstd-playTests: datagen
 	file $(ZSTD)
 	ZSTD="$(QEMU_SYS) $(ZSTD)" ./playTests.sh $(ZSTDRTTEST)
 
-test: test-zstd test-fullbench test-fuzzer test-zstream test-longmatch test-invalidDictionaries
+test: test-zstd test-fullbench test-fuzzer test-zstream test-invalidDictionaries
 ifneq ($(QEMU_SYS),qemu-ppc64-static)
 test: test-pool
 endif
diff --git a/tests/fuzzer.c b/tests/fuzzer.c
index 60546c07..84d2c023 100644
--- a/tests/fuzzer.c
+++ b/tests/fuzzer.c
@@ -505,6 +505,16 @@ static int basicUnitTests(U32 seed, double compressibility)
       if (r != _3BYTESTESTLENGTH) goto _output_error; }
     DISPLAYLEVEL(4, "OK \n");
 
+    /* error string tests */
+    DISPLAYLEVEL(4, "test%3i : testing ZSTD error code strings : ", testNb++);
+    if (strcmp("No error detected", ZSTD_getErrorName((ZSTD_ErrorCode)(0-ZSTD_error_no_error))) != 0) goto _output_error;
+    if (strcmp("No error detected", ZSTD_getErrorString(ZSTD_error_no_error)) != 0) goto _output_error;
+    if (strcmp("Unspecified error code", ZSTD_getErrorString((ZSTD_ErrorCode)(0-ZSTD_error_GENERIC))) != 0) goto _output_error;
+    if (strcmp("Error (generic)", ZSTD_getErrorName((size_t)0-ZSTD_error_GENERIC)) != 0) goto _output_error;
+    if (strcmp("Error (generic)", ZSTD_getErrorString(ZSTD_error_GENERIC)) != 0) goto _output_error;
+    if (strcmp("No error detected", ZSTD_getErrorName(ZSTD_error_GENERIC)) != 0) goto _output_error;
+    DISPLAYLEVEL(4, "OK \n");
+
 _end:
     free(CNBuffer);
     free(compressedBuffer);