Add a stdint.h compatibility shim.

Makefile.am

 lib_LTLIBRARIES += src/libespeak-ng.la
 
 src_libespeak_ng_la_LDFLAGS = -version-info $(SHARED_VERSION) -lpthread -lm
-src_libespeak_ng_la_CFLAGS = -Isrc/include \
+src_libespeak_ng_la_CFLAGS = -Isrc/include -Isrc/include/compat \
 	-fPIC -fvisibility=hidden -D _BSD_SOURCE -D_DEFAULT_SOURCE -D _POSIX_C_SOURCE=200112L \
 	-pedantic -fno-exceptions -D PATH_ESPEAK_DATA=\"$(DATADIR)\"
 src_libespeak_ng_la_SOURCES = \

src/include/compat/stdint.h

+/* Compatibility shim for <stdint.h>
+ *
+ * Copyright (C) 2016 Reece H. Dunn
+ *
+ * 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/>.
+ */
+
+#ifndef STDINT_H_COMPAT_SHIM
+#define STDINT_H_COMPAT_SHIM
+
+#ifdef _MSC_VER
+
+#if _MSC_VER >= 1600 // Visual C++ 10 (Visual Studio 2010) and above...
+#include <../include/stdint.h>
+#else
+	typedef signed __int8  int8_t;
+	typedef signed __int16 int16_t;
+	typedef signed __int32 int32_t;
+	typedef signed __int64 int64_t;
+
+	typedef unsigned __int8  uint8_t;
+	typedef unsigned __int16 uint16_t;
+	typedef unsigned __int32 uint32_t;
+	typedef unsigned __int64 uint64_t;
+
+#ifdef _WIN64
+	typedef signed __int64 intptr_t;
+#else
+	typedef signed __int32 intptr_t;
+#endif
+#endif
+
+#else
+
+#pragma GCC system_header // Silence "warning: #include_next is a GCC extension"
+
+#if defined(HAVE_STDINT_H)
+#include_next <stdint.h>
+#elif defined(HAVE_INTTYPES_H)
+#include_next <inttypes.h>
+#else
+#error stdint.h compatibility is not supported on this platform
+#endif
+
+#endif
+
+#endif

src/libespeak-ng/compiledata.c

 #include <stdlib.h>
 #include <stdarg.h>
 #include <time.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/compiledict.c

 #include <stdlib.h>
 #include <string.h>
 #include <wctype.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/compilembrola.c

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/dictionary.c

 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <wctype.h>
 #include <wchar.h>

src/libespeak-ng/error.c

 
 #include <errno.h>
 #include <stdio.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 #include <string.h>
 #include <malloc.h>
 

src/libespeak-ng/espeak_api.c

 #include <espeak/speak_lib.h>
 
 #include <stdlib.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include "speech.h"
 #include "phoneme.h"

src/libespeak-ng/intonation.c

 #include <string.h>
 #include <stdlib.h>
 #include <wctype.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/klatt.c

 #include <stdlib.h>
 #include <math.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/numbers.c

 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <wctype.h>
 #include <wchar.h>

src/libespeak-ng/phonemelist.c

 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/readclause.c

 #include <wctype.h>
 #include <wchar.h>
 #include <math.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/setlengths.c

 #include <stdlib.h>
 #include <stdio.h>
 #include <wctype.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/spect.c

 
 #include <errno.h>
 #include <stdio.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/speech.h

 typedef unsigned char UCHAR;
 typedef double DOUBLEX;
 
-#if !HAVE_STDINT_H
-#ifdef _WIN64
-typedef signed __int64 intptr_t;
-#else
-typedef signed __int32 intptr_t;
-#endif
-#endif
-
 typedef struct {
 	const char *mnem;
 	int value;

src/libespeak-ng/synth_mbrola.c

 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/synthdata.c

 #include <ctype.h>
 #include <wctype.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/synthesize.c

 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/libespeak-ng/tr_languages.c

 #include <stdlib.h>
 #include <string.h>
 #include <locale.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <wctype.h>
 

src/libespeak-ng/translate.c

 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <wctype.h>
 #include <wchar.h>

src/libespeak-ng/voices.c

 #include "wctype.h"
 #include "string.h"
 #include "stdlib.h"
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include "speech.h"
 

src/libespeak-ng/wavegen.c

 #include <string.h>
 #include <stdlib.h>
 #include <math.h>
-#if HAVE_STDINT_H
 #include <stdint.h>
-#endif
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak/speak_lib.h>

src/windows/config.h

 // reserved ISO C names (like strdup) in favour of non-portable conforming
 // variants that start with an '_'. This removes those deprecation warnings.
 #define _CRT_NONSTDC_NO_DEPRECATE
-
-// Visual C++ 2010 and later support <stdint.h>.
-#define HAVE_STDINT_H 1

src/windows/libespeak-ng.vcxproj

       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)/../include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)/../include;$(ProjectDir)/../include/compat</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_WINDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)/../include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ProjectDir);$(ProjectDir)/../include;$(ProjectDir)/../include/compat</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_WINDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>