Drop obsolete configuration macros

source/Irrlicht/CImageWriterPNG.cpp

@@ -4,17 +4,13 @@
 
 #include "CImageWriterPNG.h"
 
-#ifdef _IRR_COMPILE_WITH_PNG_WRITER_
-
 #include "CImageLoaderPNG.h"
 #include "CColorConverter.h"
 #include "IWriteFile.h"
 #include "irrString.h"
 #include "os.h" // for logging
 
-#ifdef _IRR_COMPILE_WITH_LIBPNG_
-	#include <png.h> // use system lib png
-#endif // _IRR_COMPILE_WITH_LIBPNG_
+#include <png.h> // use system lib png
 
 namespace irr
 {
@@ -26,7 +22,6 @@ IImageWriter* createImageWriterPNG()
 	return new CImageWriterPNG;
 }
 
-#ifdef _IRR_COMPILE_WITH_LIBPNG_
 // PNG function for error handling
 static void png_cpexcept_error(png_structp png_ptr, png_const_charp msg)
 {
@@ -51,7 +46,6 @@ void PNGAPI user_write_data_fcn(png_structp png_ptr, png_bytep data, png_size_t
 	if (check != length)
 		png_error(png_ptr, "Write Error");
 }
-#endif // _IRR_COMPILE_WITH_LIBPNG_
 
 CImageWriterPNG::CImageWriterPNG()
 {
@@ -62,16 +56,11 @@ CImageWriterPNG::CImageWriterPNG()
 
 bool CImageWriterPNG::isAWriteableFileExtension(const io::path& filename) const
 {
-#ifdef _IRR_COMPILE_WITH_LIBPNG_
 	return core::hasFileExtension ( filename, "png" );
-#else
-	return false;
-#endif
 }
 
 bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param) const
 {
-#ifdef _IRR_COMPILE_WITH_LIBPNG_
 	if (!file || !image)
 		return false;
 
@@ -206,13 +195,7 @@ bool CImageWriterPNG::writeImage(io::IWriteFile* file, IImage* image,u32 param)
 	delete [] tmpImage;
 	png_destroy_write_struct(&png_ptr, &info_ptr);
 	return true;
-#else
-	return false;
-#endif
 }
 
 } // namespace video
 } // namespace irr
-
-#endif
-