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/**
* \brief Platform-specific checks
*
* The header performs checks to resolve the actual build platform.
* It defines macra that may be later used to produce platform-tailored
* code.
*
* Be careful when writing platform-specific code; avoid that if possible.
*
* References:
* http://nadeausoftware.com/articles/2012/01/c_c_tip_how_use_compiler_predefined_macros_detect_operating_system
*
* \author Vaclav Krpec <VaclavKrpec@Eaton.com>
* \date 2012/10/12
*/
#ifndef NUT_PLATFORM_H_SEEN
#define NUT_PLATFORM_H_SEEN 1
/*
* In case doxygen source doc isn't generated
* (which is the case at time of writing this),
* just check the doxygen-documented (i.e. "**"
* prefixed) NUT_PLATFORM_* macra, below.
*/
/* Apple Mac OS X, iOS and Darwin */
#if (defined __APPLE__ && defined __MACH__)
/** Apple OS based on Mach ukernel */
# define NUT_PLATFORM_APPLE_MACH
/* https://stackoverflow.com/a/2339910/4715872 */
# ifndef SOEXT
# define SOEXT ".dylib"
# endif
# include <TargetConditionals.h>
# if (defined TARGET_OS_EMBEDDED)
/** iOS (implies \ref NUT_PLATFORM_APPLE_MACH) */
# define NUT_PLATFORM_APPLE_IOS
# endif
# if (defined TARGET_IPHONE_SIMULATOR)
/** iOS simulator (implies \ref NUT_PLATFORM_APPLE_MACH) */
# define NUT_PLATFORM_APPLE_IOS_SIMULATOR
# endif
# if (defined TARGET_OS_IPHONE)
/** iPhone (implies \ref NUT_PLATFORM_APPLE_MACH) */
# define NUT_PLATFORM_APPLE_IPHONE
# endif
# if (defined TARGET_OS_MAC)
/** Mac OS X (implies \ref NUT_PLATFORM_APPLE_MACH) */
# define NUT_PLATFORM_APPLE_OSX
# endif
#endif
/*
* GCC AIX issue: __unix__ nor __unix are not defined in older GCC
* Addressed in GCC 4.7.0, see
* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39950
* Remove if no longer necessary
*/
#if (defined _AIX && !defined __unix__)
# define __unix__
#endif
/* Microsoft Windows */
#if (defined _WIN32 || defined _WIN64)
/** Windows */
# define NUT_PLATFORM_MS_WINDOWS
# ifndef SOEXT
# define SOEXT ".dll"
# endif
# if (defined NTDDI_WIN8 && NTDDI_VERSION >= NTDDI_WIN8)
/** Windows 8 */
# define NUT_PLATFORM_MS_WINDOWS8
# endif
/* UNIX */
/* Note that Apple OSX doesn't define __unix__ nor __unix; are they ashamed or something? */
#elif (defined __unix__ || defined __unix || defined NUT_PLATFORM_APPLE_MACH)
# include <sys/param.h>
# include <unistd.h>
/** UNIX */
# define NUT_PLATFORM_UNIX
# if (defined _POSIX_VERSION)
/** POSIX (implies \ref NUT_PLATFORM_UNIX), expands to POSIX version */
# define NUT_PLATFORM_POSIX _POSIX_VERSION
# endif
# if (defined __linux__)
/** Linux (implies \ref NUT_PLATFORM_UNIX) */
# define NUT_PLATFORM_LINUX
# endif
# if (defined __sun && defined __SVR4)
/** Solaris (implies \ref NUT_PLATFORM_UNIX) */
# define NUT_PLATFORM_SOLARIS
# endif
# if (defined __hpux)
/** Hewlett-Packard HP-UX (implies \ref NUT_PLATFORM_UNIX) */
# define NUT_PLATFORM_HPUX
/* Note: depending on CPU arch and OS version, library file
* name patterns here could have been "*.so" as well.
* E.g. per
* https://community.hpe.com/t5/operating-system-hp-ux/so-and-sl-files/td-p/3780528
* *.sl are used in PA-RISC (11.11)
* *.so shared libraries are used in HP-UX 11.20 and upwards.
* Integrity (Itanium-based) HPUX can use *.sl as well,
* but it is not recommended, see ld(1) under -lx:
* https://web.archive.org/web/20090925153446/http://docs.hp.com/en/B2355-60103/ld.1.html
*/
/* FIXME: May want to detect better the CPU or OS version
* to decide the SOEXT here*/
# ifndef SOEXT
# define SOEXT ".sl"
# endif
# endif
# if (defined _AIX)
/** AIX (implies \ref NUT_PLATFORM_UNIX) */
# define NUT_PLATFORM_AIX
# endif
/* Note that BSD is defined in sys/param.h */
# if (defined BSD)
/** BSD (implies \ref NUT_PLATFORM_UNIX) */
# define NUT_PLATFORM_BSD
# if (defined __DragonFly__)
/** DragonFly (implies \ref NUT_PLATFORM_UNIX, \ref NUT_PLATFORM_BSD) */
# define NUT_PLATFORM_DRAGONFLY
# elif (defined __FreeBSD__)
/** FreeBSD (implies \ref NUT_PLATFORM_UNIX, \ref NUT_PLATFORM_BSD) */
# define NUT_PLATFORM_FREEBSD
# elif (defined __OpenBSD__)
/** OpenBSD (implies \ref NUT_PLATFORM_UNIX, \ref NUT_PLATFORM_BSD) */
# define NUT_PLATFORM_OPENBSD
# elif (defined __NetBSD__)
/** NetBSD (implies \ref NUT_PLATFORM_UNIX, \ref NUT_PLATFORM_BSD) */
# define NUT_PLATFORM_NETBSD
# endif
# endif
#endif
/* not WIN32, not MACOS, not HPUX... */
#ifndef SOEXT
# define SOEXT ".so"
#endif
#endif /* NUT_PLATFORM_H_SEEN */
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