When I tried building Android port of emacs-30.0.50 with modules, I realized unnecessary hunk is included in the patch for libjpeg-turbo-2.0.2/jconfig.h part of Android-ImageMagick7.
This hunk seems deletes empty lines only.
diff --git a/libjpeg-turbo-2.0.2/jconfig.h b/libjpeg-turbo-2.0.2/jconfig.h
index 47d14c9..5c6f8ee 100644
--- a/libjpeg-turbo-2.0.2/jconfig.h
+++ b/libjpeg-turbo-2.0.2/jconfig.h
@@ -1,57 +1,43 @@
-/* autogenerated jconfig.h based on Android.mk var JCONFIG_FLAGS */
+/* autogenerated jconfig.h based on Android.mk var JCONFIG_FLAGS */
#ifndef JPEG_LIB_VERSION
#define JPEG_LIB_VERSION 62
#endif
-
#ifndef LIBJPEG_TURBO_VERSION
#define LIBJPEG_TURBO_VERSION 2.0.2
#endif
-
#ifndef LIBJPEG_TURBO_VERSION_NUMBER
#define LIBJPEG_TURBO_VERSION_NUMBER 202
#endif
-
#ifndef C_ARITH_CODING_SUPPORTED
#define C_ARITH_CODING_SUPPORTED
#endif
-
#ifndef D_ARITH_CODING_SUPPORTED
#define D_ARITH_CODING_SUPPORTED
#endif
-
#ifndef MEM_SRCDST_SUPPORTED
#define MEM_SRCDST_SUPPORTED
#endif
-
#ifndef WITH_SIMD
#define WITH_SIMD
#endif
-
#ifndef BITS_IN_JSAMPLE
#define BITS_IN_JSAMPLE 8
#endif
-
#ifndef HAVE_LOCALE_H
#define HAVE_LOCALE_H
#endif
-
#ifndef HAVE_STDDEF_H
#define HAVE_STDDEF_H
#endif
-
#ifndef HAVE_STDLIB_H
#define HAVE_STDLIB_H
#endif
-
#ifndef NEED_SYS_TYPES_H
#define NEED_SYS_TYPES_H
#endif
-
#ifndef HAVE_UNSIGNED_CHAR
#define HAVE_UNSIGNED_CHAR
#endif
-
#ifndef HAVE_UNSIGNED_SHORT
#define HAVE_UNSIGNED_SHORT
#endif
-