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avutil: remove always-true GCC version checks in internal headers

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Every GCC able to pass the C11 configure check provides these builtins,
attributes and pragmas. Public headers are left untouched since they
must keep working with C99 compilers.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
This commit is contained in:
Kacper Michajłow committed 2026-09-08 03:00:16 +02:00
1 parent f3a5f819c4
commit 794ffdc823
3 files changed
+8 -8
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libavutil/attributes_internal.h
+1 -1
View File
@@ -21,7 +21,7 @@
#include "attributes.h"
#if (AV_GCC_VERSION_AT_LEAST(4,0) || defined(__clang__)) && (defined(__ELF__) || defined(__MACH__))
#if (defined(__GNUC__) || defined(__clang__)) && (defined(__ELF__) || defined(__MACH__))
# define attribute_visibility_hidden __attribute__((visibility("hidden")))
# define FF_VISIBILITY_PUSH_HIDDEN _Pragma("GCC visibility push(hidden)")
# define FF_VISIBILITY_POP_HIDDEN _Pragma("GCC visibility pop")
libavutil/internal.h
+1 -1
View File
@@ -44,7 +44,7 @@
#include "macros.h"
#ifndef attribute_align_arg
#if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2)
#if ARCH_X86_32 && defined(__GNUC__)
# define attribute_align_arg __attribute__((force_align_arg_pointer))
#else
# define attribute_align_arg
libavutil/intmath.h
+6 -6
View File
@@ -35,14 +35,14 @@
#endif
#if HAVE_FAST_CLZ
#if AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_clz)
#if defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_clz)
#ifndef ff_log2
# define ff_log2(x) (31 - __builtin_clz((x)|1))
# ifndef ff_log2_16bit
# define ff_log2_16bit av_log2
# endif
#endif /* ff_log2 */
#endif /* AV_GCC_VERSION_AT_LEAST(3,4) */
#endif /* defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_clz) */
#endif
extern const uint8_t ff_log2_tab[256];
@@ -90,13 +90,13 @@ static av_always_inline av_const int ff_log2_16bit_c(unsigned int v)
*/
#if HAVE_FAST_CLZ
#if !defined(ff_ctz) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_ctz))
#if !defined(ff_ctz) && (defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_ctz))
#define ff_ctz(v) __builtin_ctz(v)
#endif
#if !defined(ff_ctzll) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_ctzll))
#if !defined(ff_ctzll) && (defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_ctzll))
#define ff_ctzll(v) __builtin_ctzll(v)
#endif
#if !defined(ff_clz) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_clz))
#if !defined(ff_clz) && (defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_clz))
#define ff_clz(v) __builtin_clz(v)
#endif
#endif
@@ -152,7 +152,7 @@ static av_always_inline av_const unsigned ff_clz_c(unsigned x)
}
#endif
#if AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_parity)
#if defined(__GNUC__) || AV_HAS_BUILTIN(__builtin_parity)
#ifndef av_parity
#define av_parity __builtin_parity
#endif