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Add flags for jconfig.h customization, and add tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| include(CheckIncludeFile) | ||
| include(CheckSymbolExists) | ||
| include(CheckTypeSize) | ||
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| ## Define this if your system has an ANSI-conforming <stddef.h> file. | ||
| check_include_file(stddef.h HAVE_STDDEF_H) | ||
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| ## Define this if your system has an ANSI-conforming <stdlib.h> file. | ||
| check_include_file(stdlib.h HAVE_STDLIB_H) | ||
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| ## Does your compiler support function prototypes? | ||
| ## (If not, you also need to use ansi2knr, see install.txt) | ||
| set(HAVE_PROTOTYPES true CACHE BOOL "Does your compiler support function prototypes?") | ||
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| ## Does your compiler support the declaration "unsigned char" ? | ||
| ## How about "unsigned short" ? | ||
| check_type_size("unsigned char" UNSIGNED_CHAR LANGUAGE C) | ||
| check_type_size("unsigned short" UNSIGNED_SHORT LANGUAGE C) | ||
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| ## Define "void" as "char" if your compiler doesn't know about type void. | ||
| ## NOTE: be sure to define void such that "void *" represents the most general | ||
| ## pointer type, e.g., that returned by malloc(). | ||
| # NOT IMPLEMENTED: Modify in jconfig.h.in # | ||
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| ## Define "const" as empty if your compiler doesn't know the "const" keyword. | ||
| # NOT IMPLEMENTED: Modify in jconfig.h.in # | ||
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| ## Define this if an ordinary "char" type is unsigned. | ||
| ## If you're not sure, leaving it undefined will work at some cost in speed. | ||
| ## If you defined HAVE_UNSIGNED_CHAR then the speed difference is minimal. | ||
| set(CHAR_IS_UNSIGNED false CACHE BOOL "char type is unsigned") | ||
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| ## Define this if your system does not have an ANSI/SysV <string.h>, | ||
| ## but does have a BSD-style <strings.h>. | ||
| set(NEED_BSD_STRINGS false CACHE BOOL "Use BSD <strings.h>. Use only if system lacks ANSI/SysV <strings.h>") | ||
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| ## Define this if your system does not provide typedef size_t in any of the | ||
| ## ANSI-standard places (stddef.h, stdlib.h, or stdio.h), but places it in | ||
| ## <sys/types.h> instead. | ||
| set(NEED_SYS_TYPES_H false CACHE BOOL "size_t defined in <sys/types.h>") | ||
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| ## For 80x86 machines, you need to define NEED_FAR_POINTERS, | ||
| ## unless you are using a large-data memory model or 80386 flat-memory mode. | ||
| ## On less brain-damaged CPUs this symbol must not be defined. | ||
| ## (Defining this symbol causes large data structures to be referenced through | ||
| ## "far" pointers and to be allocated with a special version of malloc.) | ||
| set(NEED_FAR_POINTERS false CACHE BOOL "Reference large data structures through 'far' pointers allocated with a special version of malloc") | ||
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| ## Define this if your linker needs global names to be unique in less | ||
| ## than the first 15 characters. | ||
| set(NEED_SHORT_EXTERNAL_NAMES false CACHE BOOL "Global names must be unique in less than the first 15 characters") | ||
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| ## Although a real ANSI C compiler can deal perfectly well with pointers to | ||
| ## unspecified structures (see "incomplete types" in the spec), a few pre-ANSI | ||
| ## and pseudo-ANSI compilers get confused. To keep one of these bozos happy, | ||
| ## define INCOMPLETE_TYPES_BROKEN. This is not recommended unless you | ||
| ## actually get "missing structure definition" warnings or errors while | ||
| ## compiling the JPEG code. | ||
| set(INCOMPLETE_TYPES_BROKEN false CACHE BOOL "Disable pointers to unspecified structures") | ||
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| ## Define "boolean" as unsigned char, not enum, on Windows systems. | ||
| # NOT IMPLEMENTED: Modify in jconfig.h.in # | ||
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| ## The following options affect code selection within the JPEG library, | ||
| ## but they don't need to be visible to applications using the library. | ||
| ## To minimize application namespace pollution, the symbols won't be | ||
| ## defined unless JPEG_INTERNALS has been defined. | ||
| ## | ||
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| ## Define this if your compiler implements ">>" on signed values as a logical | ||
| ## (unsigned) shift; leave it undefined if ">>" is a signed (arithmetic) shift, | ||
| ## which is the normal and rational definition. | ||
| set(RIGHT_SHIFT_IS_UNSIGNED false CACHE BOOL "Compiler implements >> on signed values as a logical (unsigned) shift") | ||
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| ## The remaining options do not affect the JPEG library proper, | ||
| ## but only the sample applications cjpeg/djpeg (see cjpeg.c, djpeg.c). | ||
| ## Other applications can ignore these. | ||
| ## | ||
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| ## These defines indicate which image (non-JPEG) file formats are allowed.## | ||
| set(BMP_SUPPORTED true CACHE BOOL "Enable BMP image file format support") | ||
| set(GIF_SUPPORTED true CACHE BOOL "Enable GIF image file format support") | ||
| set(PPM_SUPPORTED true CACHE BOOL "Enable PBMPLUS PPM/PGM image file format support") | ||
| set(RLE_SUPPORTED false CACHE BOOL "Enable Utah RLE image file format support") | ||
| set(TARGA_SUPPORTED true CACHE BOOL "Enable Targa image file format support") | ||
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| ## Define this if you want to name both input and output files on the command | ||
| ## line, rather than using stdout and optionally stdin. You MUST do this if | ||
| ## your system can't cope with binary I/O to stdin/stdout. See comments at | ||
| ## head of cjpeg.c or djpeg.c. | ||
| if(WIN32 AND NOT CYGWIN) | ||
| set(TWO_FILE_COMMANDLINE ON CACHE BOOL "Enable both named inputs and outputs for CLI utilities") | ||
| else() | ||
| set(TWO_FILE_COMMANDLINE OFF CACHE BOOL "Enable both named inputs and outputs for CLI utilities") | ||
| endif() | ||
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| ## Define this if your system needs explicit cleanup of temporary files. | ||
| ## This is crucial under MS-DOS, where the temporary "files" may be areas | ||
| ## of extended memory; on most other systems it's not as important. | ||
| set(NEED_SIGNAL_CATCHER false CACHE BOOL "System requires explicity cleanup of temporary files") | ||
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| ## By default, we open image files with fopen(...,"rb") or fopen(...,"wb"). | ||
| ## This is necessary on systems that distinguish text files from binary files, | ||
| ## and is harmless on most systems that don't. If you have one of the rare | ||
| ## systems that complains about the "b" spec, define this symbol. | ||
| set(DONT_USE_B_MODE false CACHE BOOL "Disable B-mode with fopen") | ||
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| ## Define this if you want percent-done progress reports from cjpeg/djpeg. | ||
| set(PROGRESS_REPORT false CACHE BOOL "Enable percent-done progress reports from cjpeg/djpeg") | ||
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| mark_as_advanced(FORCE | ||
| HAVE_PROTOTYPES | ||
| HAVE_UNSIGNED_CHAR | ||
| HAVE_UNSIGNED_SHORT | ||
| CHAR_IS_UNSIGNED | ||
| HAVE_STDDEF_H | ||
| HAVE_STDLIB_H | ||
| NEED_BSD_STRINGS | ||
| NEED_SYS_TYPES_H | ||
| NEED_FAR_POINTERS | ||
| NEED_SHORT_EXTERNAL_NAMES | ||
| INCOMPLETE_TYPES_BROKEN | ||
| RIGHT_SHIFT_IS_UNSIGNED | ||
| BMP_SUPPORTED | ||
| GIF_SUPPORTED | ||
| PPM_SUPPORTED | ||
| RLE_SUPPORTED | ||
| TARGA_SUPPORTED | ||
| TWO_FILE_COMMANDLINE | ||
| NEED_SIGNAL_CATCHER | ||
| DONT_USE_B_MODE | ||
| PROGRESS_REPORT | ||
| ) | ||
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| configure_file(jconfig.h.in ${CMAKE_CURRENT_SOURCE_DIR}/jconfig.h) |
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