clang20: Hide built-in functions for abseil to support clang20+cuda

commit_hash:602831c302dc4117f164efc02ff8636bb417c064

3 files changed, 15 insertions, 13 deletions

diff --git a/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda-10.patch b/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda-10.patch
deleted file mode 100644
index c8569085bd7..00000000000
--- a/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda-10.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/y_absl/types/compare.h	(index)
-+++ b/y_absl/types/compare.h	(working tree)
-@@ -69,7 +69,7 @@ using value_type = int8_t;
- 
- class OnlyLiteralZero {
-  public:
--#if Y_ABSL_HAVE_ATTRIBUTE(enable_if)
-+#if Y_ABSL_HAVE_ATTRIBUTE(enable_if) && !defined(__CUDACC__)
-   // On clang, we can avoid triggering modernize-use-nullptr by only enabling
-   // this overload when the value is a compile time integer constant equal to 0.
-   //
diff --git a/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda.sh b/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda.sh
new file mode 100644
index 00000000000..40e31584435
--- /dev/null
+++ b/contrib/restricted/abseil-cpp-tstring/patches/fix-cuda.sh
@@ -0,0 +1,13 @@
+set -xue
+
+replace_has_keyword_in()
+{
+    sed 's/#if Y_ABSL_HAVE_'${1}'('${2}')/#if Y_ABSL_HAVE_'${1}'('${2}') \&\& !defined(__CUDACC__)/g' -i ${3}
+}
+
+# cuda 10 support
+replace_has_keyword_in ATTRIBUTE enable_if y_absl/types/compare.h
+
+# clang20 + cuda 12 support
+replace_has_keyword_in BUILTIN __builtin_clzg y_absl/numeric/internal/bits.h
+replace_has_keyword_in BUILTIN __builtin_ctzg y_absl/numeric/internal/bits.h
diff --git a/contrib/restricted/abseil-cpp-tstring/y_absl/numeric/internal/bits.h b/contrib/restricted/abseil-cpp-tstring/y_absl/numeric/internal/bits.h
index 152b5005a3c..5dd6470a10a 100644
--- a/contrib/restricted/abseil-cpp-tstring/y_absl/numeric/internal/bits.h
+++ b/contrib/restricted/abseil-cpp-tstring/y_absl/numeric/internal/bits.h
@@ -167,7 +167,7 @@ CountLeadingZeroes32(uint32_t x) {
 
 Y_ABSL_ATTRIBUTE_ALWAYS_INLINE Y_ABSL_INTERNAL_CONSTEXPR_CLZ inline int
 CountLeadingZeroes16(uint16_t x) {
-#if Y_ABSL_HAVE_BUILTIN(__builtin_clzg)
+#if Y_ABSL_HAVE_BUILTIN(__builtin_clzg) && !defined(__CUDACC__)
   return x == 0 ? 16 : __builtin_clzg(x);
 #elif Y_ABSL_HAVE_BUILTIN(__builtin_clzs)
   static_assert(sizeof(unsigned short) == sizeof(x),  // NOLINT(runtime/int)
@@ -305,7 +305,7 @@ CountTrailingZeroesNonzero64(uint64_t x) {
 
 Y_ABSL_ATTRIBUTE_ALWAYS_INLINE Y_ABSL_INTERNAL_CONSTEXPR_CTZ inline int
 CountTrailingZeroesNonzero16(uint16_t x) {
-#if Y_ABSL_HAVE_BUILTIN(__builtin_ctzg)
+#if Y_ABSL_HAVE_BUILTIN(__builtin_ctzg) && !defined(__CUDACC__)
   return __builtin_ctzg(x);
 #elif Y_ABSL_HAVE_BUILTIN(__builtin_ctzs)
   static_assert(sizeof(unsigned short) == sizeof(x),  // NOLINT(runtime/int)