/* these first lines (and belay also the last lines are from the original netpbm package auto generation) and extend the original pm_config.in.h */ #ifndef PM_CONFIG_H #define PM_CONFIG_H #include #define HAVE_INT64 0 /* now pm_config.in.h follows */ /************************************************************************** NETPBM pm_config.in.h *************************************************************************** This file provides platform-dependent definitions for all Netpbm libraries and the programs that use them. The make files generate pm_config.h by copying this file and adding other stuff. The Netpbm programs #include pm_config.h. Wherever possible, Netpbm handles customization via the make files instead of via this file. However, Netpbm's make file philosophy discourages lining up a bunch of -D options on every compile, so a #define here would be preferable to a -D compile option. **************************************************************************/ #if defined(USG) || defined(SVR4) || defined(__SVR4) #define SYSV #endif #if !( defined(BSD) || defined(SYSV) || defined(MSDOS) || defined(__amigaos__)) /* CONFIGURE: If your system is >= 4.2BSD, set the BSD option; if you're a ** System V site, set the SYSV option; if you're IBM-compatible, set MSDOS; ** and if you run on an Amiga, set AMIGA. If your compiler is ANSI C, you're ** probably better off setting SYSV - all it affects is string handling. */ #define BSD /* #define SYSV */ /* #define MSDOS */ #endif /* Switch macros like _POSIX_SOURCE are supposed to add features from the indicated standard to the C library. A source file defines one of these macros to declare that it uses features of that standard as opposed to conflicting features of other standards (e.g. the POSIX foo() subroutine might do something different from the X/Open foo() subroutine). Plus, this forces the coder to understand upon what feature sets his program relies. But some C library developers have misunderstood this and think of these macros like the old __ansi__ macro, which tells the C library, "Don't have any features that aren't in the ANSI standard." I.e. it's just the opposite -- the macro subtracts features instead of adding them. This means that on some platforms, Netpbm programs must define _POSIX_SOURCE, and on others, it must not. Netpbm's POSIX_IS_IMPLIED macro indicates that we're on a platform where we need not define _POSIX_SOURCE (and probably must not). The problematic C libraries treat _XOPEN_SOURCE the same way. */ #if defined(__OpenBSD__) || defined (__NetBSD__) || defined(__bsdi__) || defined(__APPLE__) #define POSIX_IS_IMPLIED #endif /* CONFIGURE: If you have an X11-style rgb color names file, define its ** path here. This is used by PPM to parse color names into rgb values. ** If you don't have such a file, comment this out and use the alternative ** hex and decimal forms to specify colors (see ppm/pgmtoppm.1 for details). */ #define RGB_DB_PATH \ "/usr/share/netpbm/rgb.txt:" \ "/usr/lib/X11/rgb.txt:" \ "/usr/share/X11/rgb.txt:" \ "/usr/X11R6/lib/X11/rgb.txt" /* CONFIGURE: This is the name of an environment variable that tells ** where the color names database is. If the environment variable isn't ** set, Netpbm tries the hardcoded defaults set above. */ #define RGBENV "RGBDEF" /* name of env-var */ #if (defined(SYSV) || defined(__amigaos__)) #include #ifndef __SASC #ifndef _DCC /* Amiga DICE Compiler */ #define bzero(dst,len) memset(dst,0,len) #define bcopy(src,dst,len) memcpy(dst,src,len) #define bcmp memcmp #endif /* _DCC */ #endif /* __SASC */ #endif /*SYSV or Amiga*/ /* CONFIGURE: On most BSD systems, malloc() gets declared in stdlib.h, on ** system V, it gets declared in malloc.h. On some systems, malloc.h ** doesn't declare these, so we have to do it here. On other systems, ** for example HP/UX, it declares them incompatibly. And some systems, ** for example Dynix, don't have a malloc.h at all. A sad situation. ** If you have compilation problems that point here, feel free to tweak ** or remove these declarations. */ #ifdef BSD #include #endif #if defined(SYSV) #include #endif /* extern char* malloc(); */ /* extern char* realloc(); */ /* extern char* calloc(); */ /* CONFIGURE: Some systems don't have vfprintf(), which we need for the ** error-reporting routines. If you compile and get a link error about ** this routine, uncomment the first define, which gives you a vfprintf ** that uses the theoretically non-portable but fairly common routine ** _doprnt(). If you then get a link error about _doprnt, or ** message-printing doesn't look like it's working, try the second ** define instead. */ /* #define NEED_VFPRINTF1 */ /* #define NEED_VFPRINTF2 */ /* CONFIGURE: Some systems don't have strstr(), which some routines need. ** If you compile and get a link error about this routine, uncomment the ** define, which gives you a strstr. */ /* #define NEED_STRSTR */ /* CONFIGURE: Set this option if your compiler uses strerror(errno) ** instead of sys_errlist[errno] for error messages. */ #define A_STRERROR /* MSVCRT means we're using the Microsoft Visual C++ runtime library. _WIN32, set by the compiler, apparently means the same thing; we see it set in compiles using the Microsoft Visual C++ development environment and also with Mingw, which is the Windows version of the GNU compiler (which brings with it a runtime library which wraps around the Microsoft one). We don't see it set in Cygwin compiles, which use GNU libraries instead of the Microsoft one. There is also _MSC_VER, which is set by MSVC to the version number of the MSVC runtime library and __MINGW32__. */ #ifdef _WIN32 #define MSVCRT 1 #else #define MSVCRT 0 #endif /* WIN32 is a macro that some older compilers predefine (compilers aren't supposed to because it doesn't start with an underscore, hence the change. Many build systems (project files, etc.) set WIN32 explicitly for backward compatibility. Netpbm doesn't use it. */ /* CONFIGURE: If your system has the setmode() function, set HAVE_SETMODE. ** If you do, and also the O_BINARY file mode, pm_init() will set the mode ** of stdin and stdout to binary for all Netpbm programs. ** You need this with Cygwin (Windows). */ #if MSVCRT || defined(__CYGWIN__) || defined(DJGPP) #define HAVE_SETMODE #endif /* #define HAVE_SETMODE */ #ifdef __amigaos__ #include #define getpid() ((pid_t)FindTask(NULL)) #endif #ifdef DJGPP #define lstat stat #endif /* CONFIGURE: Netpbm uses __inline__ to declare functions that should be compiled as inline code. GNU C recognizes the __inline__ keyword. If your compiler recognizes any other keyword for this, you can set it here. */ #if !defined(__GNUC__) #if (!defined(__inline__)) #if (defined(__sgi) || defined(_AIX)) #define __inline__ __inline #else #define __inline__ #endif #endif #endif /* At least one compiler can't handle two declarations of the same function that aren't literally identical. E.g. "static foo_fn_t foo1;" conflicts with "static void foo1(int);" even if type 'foo_fn_t' is defined as void(int). (The compiler we saw do this is SGI IDO cc (for IRIX 4.3)). LITERAL_FN_DEF_MATCH says that the compiler might have this problem, so one must be conservative in redeclaring functions. */ #if defined(__GNUC__) #define LITERAL_FN_DEF_MATCH 0 #else #if (defined(__sgi)) #define LITERAL_FN_DEF_MATCH 1 #else #define LITERAL_FN_DEF_MATCH 0 #endif #endif /* CONFIGURE: GNU Compiler extensions are used in performance critical places when available. Test whether they exist. Turn off by defining NO_GCC_BUILTINS. Note that though these influence the resulting Netpbm machine code, the compiler setting ultimately decides what instruction set the compiler uses. If you want a generic build, check the manual and adjust CFLAGS in config.mk accordingly. For example, if you want binaries that run on all Intel x86-32 family CPUs back to 80386, adding "-march=i386" to CFLAGS in config.mk is much better than setting NO_GCC_BUILTINS to 1. If you want to be extra sure use: "-march=i386 -mno-mmx -mno-sse -DNO_GCC_BUILTINS" Gcc uses SSE and SSE2 instructions by default for AMD/Intel x86-64. Tinkering with "-mno-sse" is not recommended for these machines. If you don't want SSE code, set NO_GCC_BUILTINS to 1. */ /* If the compiler is Clang, ignore reported __GNUC__ , __GNUC_MINOR__ values. Treat it as a generic C compiler. Clang normally reports itself as GCC, but does not necessarily offer all the features of GCC. For example, we know that Apple Mac OSX 10.8 ships with > cc --version Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn) which masquerades as GCC 4.2.1, but it does not have SSE2 function __builtin_ia32_pcmpeqb128 . On the other hand, research by Prophet of the Way in September 2012 indicated that Clang 2.6-3.0 have the above function (and all Netpbm compiled successfully with SSE exploitation), but 3.1 does not. He did not find any mention in documentation of that change. See below on compilers other than GCC that set __GNUC__: http://sourceforge.net/apps/mediawiki/predef/index.php?title=Compilers */ #if defined(__GNUC__) && !defined(__clang__) && !defined(NO_GCC_BUILTINS) #define GCCVERSION __GNUC__*100 + __GNUC_MINOR__ #else #define GCCVERSION 0 #endif /* HAVE_GCC_SSE2 means the compiler has GCC builtins to directly access SSE/SSE2 features. This is different from whether the compiler generates code that uses these features at all. */ #ifndef HAVE_GCC_SSE2 /* GCC 4.1 ostensibly has the feature, but experiments with 4.1.2 and 4.1.2 in May 2010 exposed an obscure compiler bug and the compiler got stuck with pamflip_sse.c. So we say the feature exists only on 4.2 and up. */ #if GCCVERSION >=402 && defined(__SSE__) && defined(__SSE2__) #define HAVE_GCC_SSE2 1 #else #define HAVE_GCC_SSE2 0 #endif #endif #ifndef HAVE_GCC_BITCOUNT #if GCCVERSION >=304 #define HAVE_GCC_BITCOUNT 1 /* Use __builtin_clz(), __builtin_ctz() (and variants for long) to count leading/trailing 0s in int (and long). */ #else #define HAVE_GCC_BITCOUNT 0 #endif #endif #ifndef HAVE_GCC_BSWAP #if GCCVERSION >=403 #define HAVE_GCC_BSWAP 1 /* Use __builtin_bswap32(), __builtin_bswap64() for endian conversion. Available from GCC v 4.3 onward. NOTE: On intel CPUs this may produce the bswap operand which is not available on 80386. */ #else #define HAVE_GCC_BSWAP 0 #endif #endif /* CONFIGURE: Some systems seem to need more than standard program linkage to get a data (as opposed to function) item out of a library. On Windows mingw systems, it seems you have to #include and #define EXTERNDATA DLL_IMPORT . 2001.05.19 */ #define EXTERNDATA extern /* only Pnmstitch uses UNREFERENCED_PARAMETER today (and I'm not sure why), but it might come in handy some day. */ #if (!defined(UNREFERENCED_PARAMETER)) # if (defined(__GNUC__)) # define UNREFERENCED_PARAMETER(x) # elif (defined(__USLC__) || defined(_M_XENIX)) # define UNREFERENCED_PARAMETER(x) ((x)=(x)) # else # define UNREFERENCED_PARAMETER(x) (x) # endif #endif #include /* Get _LFS_LARGEFILE defined */ #include typedef unsigned int uint32_t; /* In GNU, _LFS_LARGEFILE means the "off_t" functions (ftello, etc.) are available. In AIX, _AIXVERSION_430 means it's AIX Version 4.3.0 or better, which seems to mean the "off_t" functions are available. */ #if defined(_LFS_LARGEFILE) || defined(_AIXVERSION_430) typedef off_t pm_filepos; #define FTELLO ftello #define FSEEKO fseeko #else typedef long int pm_filepos; #define FTELLO ftell #define FSEEKO fseek #endif #if defined(_PLAN9) #define TMPDIR "/tmp" #else /* Use POSIX value P_tmpdir from libc */ #define TMPDIR P_tmpdir #endif /* Note that if you _don't_ have mkstemp(), you'd better have a safe mktemp() or otherwise not be concerned about its unsafety. On some systems, use of mktemp() makes it possible for a hacker to cause a Netpbm program to access a file of the hacker's choosing when the Netpbm program means to access its own temporary file. */ #ifdef __MINGW32__ #define HAVE_MKSTEMP 0 #else #define HAVE_MKSTEMP 1 #endif typedef int qsort_comparison_fn(const void *, const void *); /* A compare function to pass to 's qsort() */ #if MSVCRT #define pm_mkdir(dir, perm) _mkdir(dir) #else #define pm_mkdir(dir, perm) mkdir(dir, perm) #endif #if MSVCRT #define pm_pipe _pipe #else #define pm_pipe pipe #endif /* This was generated by the program 'endiangen' (from the original netpbm package auto generation) */ /* LITTLE_ENDIAN, BIG_ENDIAN, and BYTE_ORDER may come from the C library via ctype.h. */ #include #ifndef LITTLE_ENDIAN #define LITTLE_ENDIAN __LITTLE_ENDIAN #endif #ifndef BIG_ENDIAN #define BIG_ENDIAN __BIG_ENDIAN #endif #ifndef BYTE_ORDER #define BYTE_ORDER __BYTE_ORDER #endif #define BITS_PER_WORD 32 #endif /* PM_CONFIG_H */