Build for embedded systems

modules/core/include/opencv2/core/base.hpp

@@ -342,7 +342,23 @@ enum BorderTypes {
 #define CV_SUPPRESS_DEPRECATED_START
 #define CV_SUPPRESS_DEPRECATED_END
 #endif
+
 #define CV_UNUSED(name) (void)name
+
+#if defined __GNUC__ && !defined __EXCEPTIONS
+#define CV_TRY
+#define CV_CATCH(A, B) for (A B; false; )
+#define CV_CATCH_ALL if (false)
+#define CV_THROW(A) abort()
+#define CV_RETHROW() abort()
+#else
+#define CV_TRY try
+#define CV_CATCH(A, B) catch(const A & B)
+#define CV_CATCH_ALL catch(...)
+#define CV_THROW(A) throw A
+#define CV_RETHROW() throw
+#endif
+
 //! @endcond
 
 /*! @brief Signals an error and raises the exception.

modules/core/include/opencv2/core/hal/interface.h

@@ -32,7 +32,11 @@
 #if !defined _MSC_VER && !defined __BORLANDC__
 #  if defined __cplusplus && __cplusplus >= 201103L && !defined __APPLE__
 #    include <cstdint>
-     typedef std::uint32_t uint;
+#    ifdef __NEWLIB__
+        typedef unsigned int uint;
+#    else
+        typedef std::uint32_t uint;
+#    endif
 #  else
 #    include <stdint.h>
      typedef uint32_t uint;

modules/core/include/opencv2/core/softfloat.hpp

@@ -122,6 +122,12 @@ public:
     explicit softfloat( const uint64_t );
     explicit softfloat( const int32_t );
     explicit softfloat( const int64_t );
+
+#ifdef CV_INT32_T_IS_LONG_INT
+    // for platforms with int32_t = long int
+    explicit softfloat( const int a ) { *this = softfloat(static_cast<int32_t>(a)); }
+#endif
+
     /** @brief Construct from float */
     explicit softfloat( const float a ) { Cv32suf s; s.f = a; v = s.u; }
 
@@ -253,6 +259,12 @@ public:
     explicit softdouble( const uint64_t );
     explicit softdouble( const  int32_t );
     explicit softdouble( const  int64_t );
+
+#ifdef CV_INT32_T_IS_LONG_INT
+    // for platforms with int32_t = long int
+    explicit softdouble( const int a ) { *this = softdouble(static_cast<int32_t>(a)); }
+#endif
+
     /** @brief Construct from double */
     explicit softdouble( const double a ) { Cv64suf s; s.f = a; v = s.u; }