add abseil recipe

recipes/abseil/all/patches/0003-absl-string-libm-20230802.patch

@@ -0,0 +1,15 @@
+--- a/absl/strings/CMakeLists.txt
++++ b/absl/strings/CMakeLists.txt
+@@ -31,9 +31,12 @@
+   PUBLIC
+ )
+ 
++find_library(LIBM m)
+ absl_cc_library(
+   NAME
+     strings
++  LINKOPTS
++    $<$<BOOL:${LIBM}>:-lm>
+   HDRS
+     "ascii.h"
+     "charconv.h"

recipes/abseil/all/patches/0003-absl-string-libm-20240116.patch

@@ -0,0 +1,15 @@
+--- a/absl/strings/CMakeLists.txt
++++ b/absl/strings/CMakeLists.txt
+@@ -32,9 +32,12 @@
+   PUBLIC
+ )
+ 
++find_library(LIBM m)
+ absl_cc_library(
+   NAME
+     strings
++  LINKOPTS
++    $<$<BOOL:${LIBM}>:-lm>
+   HDRS
+     "ascii.h"
+     "charconv.h"

recipes/abseil/all/patches/0003-absl-string-libm.patch

@@ -0,0 +1,15 @@
+--- a/absl/strings/CMakeLists.txt
++++ b/absl/strings/CMakeLists.txt
+@@ -14,9 +14,12 @@
+ # limitations under the License.
+ #
+ 
++find_library(LIBM m)
+ absl_cc_library(
+   NAME
+     strings
++  LINKOPTS
++    $<$<BOOL:${LIBM}>:-lm>
+   HDRS
+     "ascii.h"
+     "charconv.h"

recipes/abseil/all/patches/0004-test-allocator-testonly.patch

@@ -0,0 +1,10 @@
+--- a/absl/container/CMakeLists.txt
++++ b/absl/container/CMakeLists.txt
+@@ -213,6 +213,7 @@ absl_cc_library(
+   DEPS
+     absl::config
+     GTest::gmock
++  TESTONLY
+ )
+ 
+ absl_cc_test(

recipes/abseil/all/patches/0005-has-unique-object-representations.patch

@@ -0,0 +1,11 @@
+--- a/absl/hash/internal/hash.h	2022-06-24 06:22:47.000000000 +1200
++++ b/absl/hash/internal/hash.h	2022-07-28 17:00:02.241173356 +1200
+@@ -444,7 +444,7 @@
+     // On other platforms, we assume that pointers-to-members do not have
+     // padding.
+ #ifdef __cpp_lib_has_unique_object_representations
+-    static_assert(std::has_unique_object_representations_v<T C::*>);
++    static_assert(std::has_unique_object_representations<T C::*>::value);
+ #endif  // __cpp_lib_has_unique_object_representations
+     return n;
+ #endif

recipes/abseil/all/patches/20230802.1-0001-fix-mingw.patch

@@ -0,0 +1,40 @@
+--- a/absl/synchronization/internal/pthread_waiter.h
++++ b/absl/synchronization/internal/pthread_waiter.h
+@@ -16,7 +16,7 @@
+ #ifndef ABSL_SYNCHRONIZATION_INTERNAL_PTHREAD_WAITER_H_
+ #define ABSL_SYNCHRONIZATION_INTERNAL_PTHREAD_WAITER_H_
+ 
+-#ifndef _WIN32
++#if !defined(_WIN32) && !defined(__MINGW32__)
+ #include <pthread.h>
+ 
+ #include "absl/base/config.h"
+@@ -55,6 +55,6 @@ class PthreadWaiter : public WaiterCrtp<PthreadWaiter> {
+ ABSL_NAMESPACE_END
+ }  // namespace absl
+ 
+-#endif  // ndef _WIN32
++#endif  // !defined(_WIN32) && !defined(__MINGW32__)
+ 
+ #endif  // ABSL_SYNCHRONIZATION_INTERNAL_PTHREAD_WAITER_H_
+--- a/absl/synchronization/internal/win32_waiter.h
++++ b/absl/synchronization/internal/win32_waiter.h
+@@ -20,7 +20,8 @@
+ #include <sdkddkver.h>
+ #endif
+ 
+-#if defined(_WIN32) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
++#if defined(_WIN32) && !defined(__MINGW32__) && \
++    _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ 
+ #include "absl/base/config.h"
+ #include "absl/synchronization/internal/kernel_timeout.h"
+@@ -65,6 +66,7 @@ class Win32Waiter : public WaiterCrtp<Win32Waiter> {
+ ABSL_NAMESPACE_END
+ }  // namespace absl
+ 
+-#endif  // defined(_WIN32) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
++#endif  // defined(_WIN32) && !defined(__MINGW32__) &&
++        // _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ 
+ #endif  // ABSL_SYNCHRONIZATION_INTERNAL_WIN32_WAITER_H_

recipes/abseil/all/patches/20240116.1-0001-fix-filesystem-include.patch

@@ -0,0 +1,53 @@
+From bb83aceacb554e79e7cd2404856f0be30bd00303 Mon Sep 17 00:00:00 2001
+From: Derek Mauro <dmauro@google.com>
+Date: Tue, 12 Mar 2024 08:33:40 -0700
+Subject: [PATCH] Fix GCC7 C++17 build
+
+GCC did not support <filesystem> until GCC8.
+
+Fixes #1635
+
+PiperOrigin-RevId: 615051227
+Change-Id: If7cd5802ead40805b1ff1c3bdfc10ba6d2858ef0
+---
+ absl/hash/hash_test.cc    |  2 +-
+ absl/hash/internal/hash.h | 12 ++++++++++--
+ 2 files changed, 11 insertions(+), 3 deletions(-)
+
+diff --git a/absl/hash/internal/hash.h b/absl/hash/internal/hash.h
+index f4a94f9129f..b7d89b01807 100644
+--- a/absl/hash/internal/hash.h
++++ b/absl/hash/internal/hash.h
+@@ -24,6 +24,15 @@
+ #include <TargetConditionals.h>
+ #endif
+ 
++#include "absl/base/config.h"
++
++// For feature testing and determining which headers can be included.
++#if ABSL_INTERNAL_CPLUSPLUS_LANG >= 202002L
++#include <version>
++#else
++#include <ciso646>
++#endif
++
+ #include <algorithm>
+ #include <array>
+ #include <bitset>
+@@ -47,7 +56,6 @@
+ #include <utility>
+ #include <vector>
+ 
+-#include "absl/base/config.h"
+ #include "absl/base/internal/unaligned_access.h"
+ #include "absl/base/port.h"
+ #include "absl/container/fixed_array.h"
+@@ -61,7 +69,7 @@
+ #include "absl/types/variant.h"
+ #include "absl/utility/utility.h"
+ 
+-#if ABSL_INTERNAL_CPLUSPLUS_LANG >= 201703L && \
++#if defined(__cpp_lib_filesystem) && __cpp_lib_filesystem >= 201703L && \
+     !defined(_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY)
+ #include <filesystem>  // NOLINT
+ #endif