diff --git a/include/utils/Compat.h b/include/utils/Compat.h
index 1819266..fb7748e 100644
--- a/include/utils/Compat.h
+++ b/include/utils/Compat.h
@@ -39,4 +39,27 @@
 
 #endif /* !HAVE_OFF64_T */
 
+#if HAVE_PRINTF_ZD
+#  define ZD "%zd"
+#  define ZD_TYPE ssize_t
+#else
+#  define ZD "%ld"
+#  define ZD_TYPE long
+#endif
+
+/*
+ * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
+ * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
+ * not already defined, then define it here.
+ */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({         \
+    typeof (exp) _rc;                      \
+    do {                                   \
+        _rc = (exp);                       \
+    } while (_rc == -1 && errno == EINTR); \
+    _rc; })
+#endif
+
 #endif /* __LIB_UTILS_COMPAT_H */
diff --git a/libs/utils/ZipFileRO.cpp b/libs/utils/ZipFileRO.cpp
index ef49c0f..a1bfedb 100644
--- a/libs/utils/ZipFileRO.cpp
+++ b/libs/utils/ZipFileRO.cpp
@@ -20,6 +20,7 @@
 #define LOG_TAG "zipro"
 //#define LOG_NDEBUG 0
 #include <utils/Log.h>
+#include <utils/Compat.h>
 #include <utils/ZipFileRO.h>
 #include <utils/misc.h>
 #include <utils/threads.h>
@@ -32,14 +33,6 @@
 #include <assert.h>
 #include <unistd.h>
 
-#if HAVE_PRINTF_ZD
-#  define ZD "%zd"
-#  define ZD_TYPE ssize_t
-#else
-#  define ZD "%ld"
-#  define ZD_TYPE long
-#endif
-
 /*
  * We must open binary files using open(path, ... | O_BINARY) under Windows.
  * Otherwise strange read errors will happen.
@@ -48,21 +41,6 @@
 #  define O_BINARY  0
 #endif
 
-/*
- * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
- * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
- * not already defined, then define it here.
- */
-#ifndef TEMP_FAILURE_RETRY
-/* Used to retry syscalls that can return EINTR. */
-#define TEMP_FAILURE_RETRY(exp) ({         \
-    typeof (exp) _rc;                      \
-    do {                                   \
-        _rc = (exp);                       \
-    } while (_rc == -1 && errno == EINTR); \
-    _rc; })
-#endif
-
 using namespace android;
 
 /*
diff --git a/libs/utils/ZipUtils.cpp b/libs/utils/ZipUtils.cpp
index cf5467b..a43bbb0 100644
--- a/libs/utils/ZipUtils.cpp
+++ b/libs/utils/ZipUtils.cpp
@@ -21,6 +21,7 @@
 #define LOG_TAG "ziputil"
 
 #include <utils/Log.h>
+#include <utils/Compat.h>
 #include <utils/ZipUtils.h>
 #include <utils/ZipFileRO.h>
 
@@ -98,10 +99,11 @@
             ALOGV("+++ reading %ld bytes (%ld left)\n",
                 getSize, compRemaining);
 
-            int cc = read(fd, readBuf, getSize);
-            if (cc != (int) getSize) {
-                ALOGD("inflate read failed (%d vs %ld)\n",
-                    cc, getSize);
+            int cc = TEMP_FAILURE_RETRY(read(fd, readBuf, getSize));
+            if (cc < 0) {
+                ALOGW("inflate read failed: %s", strerror(errno));
+            } else if (cc != (int) getSize) {
+                ALOGW("inflate read failed (%d vs %ld)", cc, getSize);
                 goto z_bail;
             }
 
diff --git a/libs/utils/tests/Android.mk b/libs/utils/tests/Android.mk
index 0a5b379..5b2b5b1 100644
--- a/libs/utils/tests/Android.mk
+++ b/libs/utils/tests/Android.mk
@@ -4,42 +4,30 @@
 
 # Build the unit tests.
 test_src_files := \
-	BasicHashtable_test.cpp \
-	BlobCache_test.cpp \
-	Looper_test.cpp \
-	String8_test.cpp \
-	Unicode_test.cpp \
-	Vector_test.cpp \
-	ZipFileRO_test.cpp
+    BasicHashtable_test.cpp \
+    BlobCache_test.cpp \
+    Looper_test.cpp \
+    String8_test.cpp \
+    Unicode_test.cpp \
+    Vector_test.cpp \
+    ZipFileRO_test.cpp
 
 shared_libraries := \
-	libz \
-	liblog \
-	libcutils \
-	libutils \
-	libstlport
+    libz \
+    liblog \
+    libcutils \
+    libutils \
+    libstlport
 
 static_libraries := \
-	libgtest \
-	libgtest_main
-
-c_includes := \
-    external/zlib \
-    external/icu4c/common \
-    bionic \
-    bionic/libstdc++/include \
-    external/gtest/include \
-    external/stlport/stlport
-
-module_tags := eng tests
+    libgtest \
+    libgtest_main
 
 $(foreach file,$(test_src_files), \
     $(eval include $(CLEAR_VARS)) \
     $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
     $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
-    $(eval LOCAL_C_INCLUDES := $(c_includes)) \
     $(eval LOCAL_SRC_FILES := $(file)) \
     $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
-    $(eval LOCAL_MODULE_TAGS := $(module_tags)) \
-    $(eval include $(BUILD_EXECUTABLE)) \
+    $(eval include $(BUILD_NATIVE_TEST)) \
 )
diff --git a/opengl/include/GLES2/gl2.h b/opengl/include/GLES2/gl2.h
index e1d3b87..c139c25 100644
--- a/opengl/include/GLES2/gl2.h
+++ b/opengl/include/GLES2/gl2.h
@@ -528,7 +528,7 @@
 GL_APICALL void         GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-GL_APICALL int          GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params);
 GL_APICALL void         GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL GLenum       GL_APIENTRY glGetError (void);
@@ -547,7 +547,7 @@
 GL_APICALL void         GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params);
-GL_APICALL int          GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer);
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index 23e89da..4e44941 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -1171,11 +1171,12 @@
     const egl_display_ptr dp = validate_display(dpy);
     if (!dp) return EGL_FALSE;
 
+    EGLBoolean result = EGL_FALSE;
     egl_connection_t* const cnx = &gEGLImpl;
     if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
-        cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
+        result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
     }
-    return EGL_TRUE;
+    return result;
 }
 
 // ----------------------------------------------------------------------------
diff --git a/opengl/libs/GLES2/gl2_api.in b/opengl/libs/GLES2/gl2_api.in
index 9a89a52..cccf46c 100644
--- a/opengl/libs/GLES2/gl2_api.in
+++ b/opengl/libs/GLES2/gl2_api.in
@@ -169,7 +169,7 @@
 void API_ENTRY(glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
     CALL_GL_API(glGetAttachedShaders, program, maxcount, count, shaders);
 }
-int API_ENTRY(glGetAttribLocation)(GLuint program, const GLchar* name) {
+GLint API_ENTRY(glGetAttribLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetAttribLocation, program, name);
 }
 void API_ENTRY(glGetBooleanv)(GLenum pname, GLboolean* params) {
@@ -226,7 +226,7 @@
 void API_ENTRY(glGetUniformiv)(GLuint program, GLint location, GLint* params) {
     CALL_GL_API(glGetUniformiv, program, location, params);
 }
-int API_ENTRY(glGetUniformLocation)(GLuint program, const GLchar* name) {
+GLint API_ENTRY(glGetUniformLocation)(GLuint program, const GLchar* name) {
     CALL_GL_API_RETURN(glGetUniformLocation, program, name);
 }
 void API_ENTRY(glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params) {
diff --git a/opengl/libs/GLES_trace/src/gltrace_api.cpp b/opengl/libs/GLES_trace/src/gltrace_api.cpp
index cef6cbb..2ae4b11 100644
--- a/opengl/libs/GLES_trace/src/gltrace_api.cpp
+++ b/opengl/libs/GLES_trace/src/gltrace_api.cpp
@@ -2214,7 +2214,7 @@
     glContext->traceGLMessage(&glmsg);
 }
 
-int GLTrace_glGetAttribLocation(GLuint program, const GLchar* name) {
+GLint GLTrace_glGetAttribLocation(GLuint program, const GLchar* name) {
     GLMessage glmsg;
     GLTraceContext *glContext = getGLTraceContext();
 
@@ -2235,7 +2235,7 @@
     // call function
     nsecs_t wallStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
     nsecs_t threadStartTime = systemTime(SYSTEM_TIME_THREAD);
-    int retValue = glContext->hooks->gl.glGetAttribLocation(program, name);
+    GLint retValue = glContext->hooks->gl.glGetAttribLocation(program, name);
     nsecs_t threadEndTime = systemTime(SYSTEM_TIME_THREAD);
     nsecs_t wallEndTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
@@ -2996,7 +2996,7 @@
     glContext->traceGLMessage(&glmsg);
 }
 
-int GLTrace_glGetUniformLocation(GLuint program, const GLchar* name) {
+GLint GLTrace_glGetUniformLocation(GLuint program, const GLchar* name) {
     GLMessage glmsg;
     GLTraceContext *glContext = getGLTraceContext();
 
@@ -3017,7 +3017,7 @@
     // call function
     nsecs_t wallStartTime = systemTime(SYSTEM_TIME_MONOTONIC);
     nsecs_t threadStartTime = systemTime(SYSTEM_TIME_THREAD);
-    int retValue = glContext->hooks->gl.glGetUniformLocation(program, name);
+    GLint retValue = glContext->hooks->gl.glGetUniformLocation(program, name);
     nsecs_t threadEndTime = systemTime(SYSTEM_TIME_THREAD);
     nsecs_t wallEndTime = systemTime(SYSTEM_TIME_MONOTONIC);
 
diff --git a/opengl/libs/GLES_trace/src/gltrace_api.h b/opengl/libs/GLES_trace/src/gltrace_api.h
index debcac0..309afcb 100644
--- a/opengl/libs/GLES_trace/src/gltrace_api.h
+++ b/opengl/libs/GLES_trace/src/gltrace_api.h
@@ -78,7 +78,7 @@
 void GLTrace_glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 void GLTrace_glGetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 void GLTrace_glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-int GLTrace_glGetAttribLocation(GLuint program, const GLchar* name);
+GLint GLTrace_glGetAttribLocation(GLuint program, const GLchar* name);
 void GLTrace_glGetBooleanv(GLenum pname, GLboolean* params);
 void GLTrace_glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params);
 GLenum GLTrace_glGetError(void);
@@ -97,7 +97,7 @@
 void GLTrace_glGetTexParameteriv(GLenum target, GLenum pname, GLint* params);
 void GLTrace_glGetUniformfv(GLuint program, GLint location, GLfloat* params);
 void GLTrace_glGetUniformiv(GLuint program, GLint location, GLint* params);
-int GLTrace_glGetUniformLocation(GLuint program, const GLchar* name);
+GLint GLTrace_glGetUniformLocation(GLuint program, const GLchar* name);
 void GLTrace_glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params);
 void GLTrace_glGetVertexAttribiv(GLuint index, GLenum pname, GLint* params);
 void GLTrace_glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer);
diff --git a/opengl/libs/GLES_trace/src/gltrace_fixup.cpp b/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
index 1bd790e..36ae314 100644
--- a/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
+++ b/opengl/libs/GLES_trace/src/gltrace_fixup.cpp
@@ -341,7 +341,7 @@
 /** Given a glGetActive[Uniform|Attrib] call, obtain the location
  *  of the variable of given name in the call.
  */
-int getShaderVariableLocation(GLTraceContext *context, GLMessage *glmsg, GLchar *name) {
+GLint getShaderVariableLocation(GLTraceContext *context, GLMessage *glmsg, GLchar *name) {
     GLMessage_Function func = glmsg->function();
     if (func != GLMessage::glGetActiveAttrib && func != GLMessage::glGetActiveUniform) {
         return -1;
@@ -374,7 +374,7 @@
     // In order to make things simpler for the debugger, we also pass
     // a hidden location argument that stores the actual location.
     // append the location value to the end of the argument list
-    int location = getShaderVariableLocation(context, glmsg, (GLchar*)pointersToFixup[3]);
+    GLint location = getShaderVariableLocation(context, glmsg, (GLchar*)pointersToFixup[3]);
     GLMessage_DataType *arg_location = glmsg->add_args();
     arg_location->set_isarray(false);
     arg_location->set_type(GLMessage::DataType::INT);
diff --git a/opengl/libs/entries.in b/opengl/libs/entries.in
index 6316d78..b9a51a4 100644
--- a/opengl/libs/entries.in
+++ b/opengl/libs/entries.in
@@ -160,7 +160,7 @@
 GL_ENTRY(void, glGetActiveAttrib, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetActiveUniform, GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name)
 GL_ENTRY(void, glGetAttachedShaders, GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders)
-GL_ENTRY(int, glGetAttribLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetAttribLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetBooleanv, GLenum pname, GLboolean *params)
 GL_ENTRY(void, glGetBufferParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetBufferPointervOES, GLenum target, GLenum pname, GLvoid ** params)
@@ -218,7 +218,7 @@
 GL_ENTRY(void, glGetTexParameteriv, GLenum target, GLenum pname, GLint *params)
 GL_ENTRY(void, glGetTexParameterxv, GLenum target, GLenum pname, GLfixed *params)
 GL_ENTRY(void, glGetTexParameterxvOES, GLenum target, GLenum pname, GLfixed *params)
-GL_ENTRY(int, glGetUniformLocation, GLuint program, const GLchar* name)
+GL_ENTRY(GLint, glGetUniformLocation, GLuint program, const GLchar* name)
 GL_ENTRY(void, glGetUniformfv, GLuint program, GLint location, GLfloat* params)
 GL_ENTRY(void, glGetUniformiv, GLuint program, GLint location, GLint* params)
 GL_ENTRY(void, glGetVertexAttribPointerv, GLuint index, GLenum pname, GLvoid** pointer)
diff --git a/opengl/libs/trace.in b/opengl/libs/trace.in
index a5c5c84..e89e456 100644
--- a/opengl/libs/trace.in
+++ b/opengl/libs/trace.in
@@ -160,7 +160,7 @@
 TRACE_GL_VOID(glGetActiveAttrib, (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name), (program, index, bufsize, length, size, type, name), 7, "GLuint", program, "GLuint", index, "GLsizei", bufsize, "GLsizei*", length, "GLint*", size, "GLenum*", type, "GLchar*", name)
 TRACE_GL_VOID(glGetActiveUniform, (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name), (program, index, bufsize, length, size, type, name), 7, "GLuint", program, "GLuint", index, "GLsizei", bufsize, "GLsizei*", length, "GLint*", size, "GLenum*", type, "GLchar*", name)
 TRACE_GL_VOID(glGetAttachedShaders, (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders), (program, maxcount, count, shaders), 4, "GLuint", program, "GLsizei", maxcount, "GLsizei*", count, "GLuint*", shaders)
-TRACE_GL(int, glGetAttribLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
+TRACE_GL(GLint, glGetAttribLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
 TRACE_GL_VOID(glGetBooleanv, (GLenum pname, GLboolean *params), (pname, params), 2, "GLenum", pname, "GLboolean *", params)
 TRACE_GL_VOID(glGetBufferParameteriv, (GLenum target, GLenum pname, GLint *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLint *", params)
 TRACE_GL_VOID(glGetBufferPointervOES, (GLenum target, GLenum pname, GLvoid ** params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLvoid **", params)
@@ -218,7 +218,7 @@
 TRACE_GL_VOID(glGetTexParameteriv, (GLenum target, GLenum pname, GLint *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLint *", params)
 TRACE_GL_VOID(glGetTexParameterxv, (GLenum target, GLenum pname, GLfixed *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLfixed *", params)
 TRACE_GL_VOID(glGetTexParameterxvOES, (GLenum target, GLenum pname, GLfixed *params), (target, pname, params), 3, "GLenum", target, "GLenum", pname, "GLfixed *", params)
-TRACE_GL(int, glGetUniformLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
+TRACE_GL(GLint, glGetUniformLocation, (GLuint program, const GLchar* name), (program, name), 2, "GLuint", program, "const GLchar*", name)
 TRACE_GL_VOID(glGetUniformfv, (GLuint program, GLint location, GLfloat* params), (program, location, params), 3, "GLuint", program, "GLint", location, "GLfloat*", params)
 TRACE_GL_VOID(glGetUniformiv, (GLuint program, GLint location, GLint* params), (program, location, params), 3, "GLuint", program, "GLint", location, "GLint*", params)
 TRACE_GL_VOID(glGetVertexAttribPointerv, (GLuint index, GLenum pname, GLvoid** pointer), (index, pname, pointer), 3, "GLuint", index, "GLenum", pname, "GLvoid**", pointer)
diff --git a/opengl/tests/gl_perf/fill_common.cpp b/opengl/tests/gl_perf/fill_common.cpp
index 389381f..fefedc0 100644
--- a/opengl/tests/gl_perf/fill_common.cpp
+++ b/opengl/tests/gl_perf/fill_common.cpp
@@ -189,7 +189,7 @@
 }
 
 static void randUniform(int pgm, const char *var) {
-    int loc = glGetUniformLocation(pgm, var);
+    GLint loc = glGetUniformLocation(pgm, var);
     if (loc >= 0) {
         float x = ((float)rand()) / RAND_MAX;
         float y = ((float)rand()) / RAND_MAX;
@@ -211,7 +211,7 @@
     startTimer();
     glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
     for (uint32_t ct=0; ct < passCount; ct++) {
-        int loc = glGetUniformLocation(pgm, "u_texOff");
+        GLint loc = glGetUniformLocation(pgm, "u_texOff");
         glUniform2f(loc, ((float)ct) / passCount, ((float)ct) / 2.f / passCount);
 
         randUniform(pgm, "u_color");
@@ -271,7 +271,7 @@
         printf("error running test\n");
         return;
     }
-    int loc = glGetUniformLocation(pgm, "u_tex0");
+    GLint loc = glGetUniformLocation(pgm, "u_tex0");
     if (loc >= 0) glUniform1i(loc, 0);
     loc = glGetUniformLocation(pgm, "u_tex1");
     if (loc >= 0) glUniform1i(loc, 1);
diff --git a/opengl/tools/glgen/specs/gles11/GLES20.spec b/opengl/tools/glgen/specs/gles11/GLES20.spec
index ee88f59..dda746e 100644
--- a/opengl/tools/glgen/specs/gles11/GLES20.spec
+++ b/opengl/tools/glgen/specs/gles11/GLES20.spec
@@ -56,7 +56,7 @@
 void glGetActiveAttrib ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
 void glGetActiveUniform ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
 void glGetAttachedShaders ( GLuint program, GLsizei maxcount, GLsizei *count, GLuint *shaders )
-int glGetAttribLocation ( GLuint program, const char *name )
+GLint glGetAttribLocation ( GLuint program, const char *name )
 void glGetBooleanv ( GLenum pname, GLboolean *params )
 void glGetBufferParameteriv ( GLenum target, GLenum pname, GLint *params )
 GLenum glGetError ( void )
@@ -75,7 +75,7 @@
 void glGetTexParameteriv ( GLenum target, GLenum pname, GLint *params )
 void glGetUniformfv ( GLuint program, GLint location, GLfloat *params )
 void glGetUniformiv ( GLuint program, GLint location, GLint *params )
-int glGetUniformLocation ( GLuint program, const char *name )
+GLint glGetUniformLocation ( GLuint program, const char *name )
 void glGetVertexAttribfv ( GLuint index, GLenum pname, GLfloat *params )
 void glGetVertexAttribiv ( GLuint index, GLenum pname, GLint *params )
 // void glGetVertexAttribPointerv ( GLuint index, GLenum pname, void **pointer )