/usr/include/x86_64-linux-gnu/jconfig.h is in libjpeg-turbo8-dev 1.3.0-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /* jconfig.h. Generated from jconfig.h.in by configure. */
/* Version ID for the JPEG library.
* Might be useful for tests like "#if JPEG_LIB_VERSION >= 60".
*/
#define JPEG_LIB_VERSION 80
/* libjpeg-turbo version */
#define LIBJPEG_TURBO_VERSION 1.3.0
/* Support arithmetic encoding */
#define C_ARITH_CODING_SUPPORTED 1
/* Support arithmetic decoding */
#define D_ARITH_CODING_SUPPORTED 1
/* Support in-memory source/destination managers */
/* #undef MEM_SRCDST_SUPPORTED */
/* Compiler supports function prototypes. */
#define HAVE_PROTOTYPES 1
/* Define to 1 if you have the <stddef.h> header file. */
/* Define to 1 if you have the <stdlib.h> header file. */
/* Compiler supports 'unsigned char'. */
#define HAVE_UNSIGNED_CHAR 1
/* Compiler supports 'unsigned short'. */
#define HAVE_UNSIGNED_SHORT 1
/* Compiler does not support pointers to unspecified structures. */
/* #undef INCOMPLETE_TYPES_BROKEN */
/* Compiler has <strings.h> rather than standard <string.h>. */
/* #undef NEED_BSD_STRINGS */
/* Linker requires that global names be unique in first 15 characters. */
/* #undef NEED_SHORT_EXTERNAL_NAMES */
/* Need to include <sys/types.h> in order to obtain size_t. */
#define NEED_SYS_TYPES_H 1
/* Broken compiler shifts signed values as an unsigned shift. */
/* #undef RIGHT_SHIFT_IS_UNSIGNED */
/* Use accelerated SIMD routines. */
#define WITH_SIMD 1
/* Define to 1 if type `char' is unsigned and you are not using gcc. */
#ifndef __CHAR_UNSIGNED__
/* # undef __CHAR_UNSIGNED__ */
#endif
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */
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