fixup! Some changes to support mingw-w64

CMakeLists.txt

@@ -171,7 +171,7 @@ OCV_OPTION(WITH_GSTREAMER      "Include Gstreamer support"                   ON
 OCV_OPTION(WITH_GSTREAMER_0_10 "Enable Gstreamer 0.10 support (instead of 1.x)"                              OFF )
 OCV_OPTION(WITH_GTK            "Include GTK support"                         ON   IF (UNIX AND NOT APPLE AND NOT ANDROID) )
 OCV_OPTION(WITH_GTK_2_X        "Use GTK version 2"                           OFF  IF (UNIX AND NOT APPLE AND NOT ANDROID) )
-OCV_OPTION(WITH_IPP            "Include Intel IPP support"                   ON   IF (X86_64 OR X86) AND NOT WINRT AND NOT MINGW )
+OCV_OPTION(WITH_IPP            "Include Intel IPP support"                   NOT MINGW IF (X86_64 OR X86) AND NOT WINRT )
 OCV_OPTION(WITH_JASPER         "Include JPEG2K support"                      ON   IF (NOT IOS) )
 OCV_OPTION(WITH_JPEG           "Include JPEG support"                        ON)
 OCV_OPTION(WITH_WEBP           "Include WebP support"                        ON   IF (NOT IOS AND NOT WINRT) )

platforms/android/build_sdk.py

@@ -19,7 +19,7 @@ def execute(cmd, shell=False):
         elif retcode > 0:
             raise Fail("Child returned: %s" % retcode)
     except OSError as e:
-        raise Fail("Execution failed: %s" % e.strerror)
+        raise Fail("Execution failed: %d / %s" % (e.errno, e.strerror))
 
 def rm_one(d):
     d = os.path.abspath(d)
@@ -169,6 +169,7 @@ class Builder:
         for ver, d in self.extra_packs + [("3.0.0", os.path.join(self.libdest, "lib"))]:
             r = ET.Element("library", attrib={"version": ver})
             log.info("Adding libraries from %s", d)
+
             for f in glob.glob(os.path.join(d, abi.name, "*.so")):
                 log.info("Copy file: %s", f)
                 shutil.copy2(f, apklibdest)
@@ -176,11 +177,15 @@ class Builder:
                     continue
                 log.info("Register file: %s", os.path.basename(f))
                 n = ET.SubElement(r, "file", attrib={"name": os.path.basename(f)})
-            xmlname = os.path.join(apkxmldest, "config%s.xml" % ver.replace(".", ""))
-            log.info("Generating XML config: %s", xmlname)
-            ET.ElementTree(r).write(xmlname, encoding="utf-8")
+
+            if len(list(r)) > 0:
+                xmlname = os.path.join(apkxmldest, "config%s.xml" % ver.replace(".", ""))
+                log.info("Generating XML config: %s", xmlname)
+                ET.ElementTree(r).write(xmlname, encoding="utf-8")
+
         execute(["ninja", "opencv_engine"])
-        execute(["ant", "-f", os.path.join(apkdest, "build.xml"), "debug"], shell=True)
+        execute(["ant", "-f", os.path.join(apkdest, "build.xml"), "debug"],
+            shell=(sys.platform == 'win32'))
         # TODO: Sign apk
 
     def build_javadoc(self):