diff options
Diffstat (limited to 'apt-pkg/contrib/macros.h')
| -rw-r--r-- | apt-pkg/contrib/macros.h | 84 |
1 files changed, 67 insertions, 17 deletions
diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h index e53d01b8f..d97053553 100644 --- a/apt-pkg/contrib/macros.h +++ b/apt-pkg/contrib/macros.h @@ -54,37 +54,87 @@ #define CLRFLAG(v,f) ((v) &=~FLAG(f)) #define CHKFLAG(v,f) ((v) & FLAG(f) ? true : false) -// some nice optional GNUC features -#if __GNUC__ >= 3 - #define __must_check __attribute__ ((warn_unused_result)) - #define __deprecated __attribute__ ((deprecated)) - #define __attrib_const __attribute__ ((__const__)) - /* likely() and unlikely() can be used to mark boolean expressions - as (not) likely true which will help the compiler to optimise */ +#ifdef __GNUC__ +#define APT_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__) +#else +#define APT_GCC_VERSION 0 +#endif + +/* likely() and unlikely() can be used to mark boolean expressions + as (not) likely true which will help the compiler to optimise */ +#if APT_GCC_VERSION >= 0x0300 #define likely(x) __builtin_expect (!!(x), 1) #define unlikely(x) __builtin_expect (!!(x), 0) #else - #define __must_check /* no warn_unused_result */ - #define __deprecated /* no deprecated */ - #define __attrib_const /* no const attribute */ #define likely(x) (x) #define unlikely(x) (x) #endif +#if APT_GCC_VERSION >= 0x0300 + #define APT_DEPRECATED __attribute__ ((deprecated)) + #define APT_CONST __attribute__((const)) + #define APT_PURE __attribute__((pure)) + #define APT_NORETURN __attribute__((noreturn)) + #define APT_PRINTF(n) __attribute__((format(printf, n, n + 1))) +#else + #define APT_DEPRECATED + #define APT_CONST + #define APT_PURE + #define APT_NORETURN + #define APT_PRINTF(n) +#endif + +#if APT_GCC_VERSION > 0x0302 + #define APT_NONNULL(...) __attribute__((nonnull(__VA_ARGS__))) + #define APT_MUSTCHECK __attribute__((warn_unused_result)) +#else + #define APT_NONNULL(...) + #define APT_REQRET +#endif + +#if APT_GCC_VERSION >= 0x0400 + #define APT_SENTINEL __attribute__((sentinel)) +#else + #define APT_SENTINEL +#endif + // cold functions are unlikely() to be called -#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4 - #define __cold __attribute__ ((__cold__)) - #define __hot __attribute__ ((__hot__)) +#if APT_GCC_VERSION >= 0x0403 + #define APT_COLD __attribute__ ((__cold__)) + #define APT_HOT __attribute__ ((__hot__)) #else - #define __cold /* no cold marker */ - #define __hot /* no hot marker */ + #define APT_COLD + #define APT_HOT #endif -#ifdef __GNUG__ -// Methods have a hidden this parameter that is visible to this attribute +#ifndef APT_10_CLEANER_HEADERS +#if APT_GCC_VERSION >= 0x0300 + #define __must_check __attribute__ ((warn_unused_result)) + #define __deprecated __attribute__ ((deprecated)) + #define __attrib_const __attribute__ ((__const__)) #define __like_printf(n) __attribute__((format(printf, n, n + 1))) #else + #define __must_check /* no warn_unused_result */ + #define __deprecated /* no deprecated */ + #define __attrib_const /* no const attribute */ #define __like_printf(n) /* no like-printf */ #endif +#if APT_GCC_VERSION >= 0x0403 + #define __cold __attribute__ ((__cold__)) + #define __hot __attribute__ ((__hot__)) +#else + #define __cold /* no cold marker */ + #define __hot /* no hot marker */ +#endif +#endif + +// These lines are extracted by the makefiles and the buildsystem +// Increasing MAJOR or MINOR results in the need of recompiling all +// reverse-dependencies of libapt-pkg against the new SONAME. +// Non-ABI-Breaks should only increase RELEASE number. +// See also buildlib/libversion.mak +#define APT_PKG_MAJOR 4 +#define APT_PKG_MINOR 12 +#define APT_PKG_RELEASE 0 #endif |