chore: import upstream snapshot with attribution

2026-07-13 12:25:07 +08:00
commit a26e856398
1681 changed files with 296950 additions and 0 deletions
@@ -0,0 +1,53 @@
+diff --git a/cpp/src/arrow/util/decimal.cc b/cpp/src/arrow/util/decimal.cc
+index c8457eae8..aa2b41cc9 100644
+--- a/cpp/src/arrow/util/decimal.cc
+++ b/cpp/src/arrow/util/decimal.cc
+@@ -111,7 +111,11 @@ struct DecimalRealConversion : public BaseDecimalRealConversion {
+ 
+     // 2. Losslessly convert `real` to `mant * 2**k`
+     int binary_exp = 0;
+#ifdef __EMSCRIPTEN__
+    const Real real_mant = std::frexpf(real, &binary_exp);
+#else
+     const Real real_mant = std::frexp(real, &binary_exp);
+#endif
+     // `real_mant` is within 0.5 and 1 and has M bits of precision.
+     // Multiply it by 2^M to get an exact integer.
+     const uint64_t mant = static_cast<uint64_t>(std::ldexp(real_mant, kMantissaBits));
+diff --git a/cpp/src/arrow/util/value_parsing.h b/cpp/src/arrow/util/value_parsing.h
+index 609906052..1e3dfae7c 100644
+--- a/cpp/src/arrow/util/value_parsing.h
+++ b/cpp/src/arrow/util/value_parsing.h
+@@ -804,7 +804,7 @@ static inline bool ParseTimestampStrptime(const char* buf, size_t length,
+   std::string clean_copy(buf, length);
+   struct tm result;
+   memset(&result, 0, sizeof(struct tm));
+-#ifdef _WIN32
+#if defined(_WIN32) || defined(__EMSCRIPTEN__)
+   char* ret = arrow_strptime(clean_copy.c_str(), format, &result);
+ #else
+   char* ret = strptime(clean_copy.c_str(), format, &result);
+diff --git a/cpp/src/arrow/vendored/xxhash/xxhash.h b/cpp/src/arrow/vendored/xxhash/xxhash.h
+index a18e8c762..235590b19 100644
+--- a/cpp/src/arrow/vendored/xxhash/xxhash.h
+++ b/cpp/src/arrow/vendored/xxhash/xxhash.h
+@@ -169,6 +169,11 @@
+  * xxHash prototypes and implementation
+  */
+ 
+
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
+
+ #if defined (__cplusplus)
+ extern "C" {
+ #endif
+@@ -3422,6 +3427,7 @@ XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(XXH_NOESCAPE const XXH64_can
+ #  endif
+ #endif
+ 
+
+ #if defined(__GNUC__) || defined(__clang__)
+ #  if defined(__ARM_FEATURE_SVE)
+ #    include <arm_sve.h>
@@ -0,0 +1,59 @@
+From f2b12a311d1a14ab5d9f67428201e1389748a9c1 Mon Sep 17 00:00:00 2001
+From: Tom Jakubowski <tom@prospective.dev>
+Date: Fri, 11 Oct 2024 12:23:29 -0700
+Subject: [PATCH] GH-44384: [C++] Use CMAKE_LIBTOOL on macOS
+
+When a builder sets `CMAKE_LIBTOOL`, use that as the program to bundle
+dependencies.  This matches the behavior of the Windows build.
+
+Also make a nitpicky minor update to the error message when a non-Apple
+libtool is detected.
+---
+ cpp/cmake_modules/BuildUtils.cmake | 30 +++++++++++++++++-------------
+ 1 file changed, 17 insertions(+), 13 deletions(-)
+
+diff --git a/cpp/cmake_modules/BuildUtils.cmake b/cpp/cmake_modules/BuildUtils.cmake
+index 692efa78376f4..eb94563afcf77 100644
+--- a/cpp/cmake_modules/BuildUtils.cmake
+++ b/cpp/cmake_modules/BuildUtils.cmake
+@@ -97,23 +97,27 @@ function(arrow_create_merged_static_lib output_target)
+   endforeach()
+ 
+   if(APPLE)
+-    # The apple-distributed libtool is what we want for bundling, but there is
+-    # a GNU libtool that has a namecollision (and happens to be bundled with R, too).
+-    # We are not compatible with GNU libtool, so we need to avoid it.
+-
+-    # check in the obvious places first to find Apple's libtool
+-    # HINTS is used before system paths and before PATHS, so we use that
+-    # even though hard coded paths should go in PATHS
+-    # TODO: use a VALIDATOR when we require cmake >= 3.25
+-    find_program(LIBTOOL_MACOS libtool HINTS /usr/bin
+-                                             /Library/Developer/CommandLineTools/usr/bin)
+-
+-    # confirm that the libtool we found is not GNU libtool
+    if(CMAKE_LIBTOOL)
+      set(LIBTOOL_MACOS ${CMAKE_LIBTOOL})
+    else()
+      # The apple-distributed libtool is what we want for bundling, but there is
+      # a GNU libtool that has a namecollision (and happens to be bundled with R, too).
+      # We are not compatible with GNU libtool, so we need to avoid it.
+
+      # check in the obvious places first to find Apple's libtool
+      # HINTS is used before system paths and before PATHS, so we use that
+      # even though hard coded paths should go in PATHS
+      # TODO: use a VALIDATOR when we require cmake >= 3.25
+      find_program(LIBTOOL_MACOS libtool
+                   HINTS /usr/bin /Library/Developer/CommandLineTools/usr/bin)
+    endif()
+
+    # confirm that the libtool we found is Apple's libtool
+     execute_process(COMMAND ${LIBTOOL_MACOS} -V
+                     OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+     if(NOT "${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
+-      message(FATAL_ERROR "libtool found appears to be the incompatible GNU libtool: ${LIBTOOL_MACOS}"
+      message(FATAL_ERROR "libtool found appears not to be Apple's libtool: ${LIBTOOL_MACOS}"
+       )
+     endif()
+