From 794ffdc8238fcf2a28d87bf5c1bf1b249eeb1402 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Sat, 22 Aug 2026 17:41:08 +0200
Subject: [PATCH] avutil: remove always-true GCC version checks in internal
 headers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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>
---
 libavutil/attributes_internal.h |  2 +-
 libavutil/internal.h            |  2 +-
 libavutil/intmath.h             | 12 ++++++------
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/libavutil/attributes_internal.h b/libavutil/attributes_internal.h
index 15d89120ad..b946d0c5d4 100644
--- a/libavutil/attributes_internal.h
+++ b/libavutil/attributes_internal.h
@@ -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")
diff --git a/libavutil/internal.h b/libavutil/internal.h
index 2040937bfb..88a4d29f2c 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -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
diff --git a/libavutil/intmath.h b/libavutil/intmath.h
index b177a848c6..a32e225895 100644
--- a/libavutil/intmath.h
+++ b/libavutil/intmath.h
@@ -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