Add abseil patch fix absl gcc ubsan constexpr bug (#28)

Author: pratikmankawde

.github/workflows/export.yml

@@ -35,6 +35,7 @@ jobs:
       - name: Export the recipes
         working-directory: recipes
         run: |
+          conan export abseil/all --version=20250127.0
           conan export ed25519/all --version=2015.03
           conan export grpc/all --version=1.72.0
           conan export m4/all --version=1.4.19

recipes/abseil/all/conandata.yml

@@ -27,6 +27,11 @@ sources:
     url: "https://github.com/abseil/abseil-cpp/archive/20230125.3.tar.gz"
     sha256: "5366D7E7FA7BA0D915014D387B66D0D002C03236448E1BA9EF98122C13B35C36"
 patches:
+  "20250127.0":
+    - patch_file: "patches/0001-fix-absl-gcc-ubsan-constexpr-bug.patch"
+      patch_description: "Gcc ubsan constexpr compilation fix."
+      patch_type: "bugfix"
+      patch_source: "https://github.com/abseil/abseil-cpp/commit/60d1ce9911e6b32ea0c5a2fcfc120f9b392d5643"
   "20240722.1":
     - patch_file: "patches/0003-absl-string-libm-20240116.patch"
       patch_description: "link libm to absl string"

recipes/abseil/all/patches/0001-fix-absl-gcc-ubsan-constexpr-bug.patch

@@ -0,0 +1,83 @@
+From 60d1ce9911e6b32ea0c5a2fcfc120f9b392d5643 Mon Sep 17 00:00:00 2001
+From: Derek Mauro <dmauro@google.com>
+Date: Tue, 7 Jan 2025 07:47:25 -0800
+Subject: [PATCH] Import of CCTZ from GitHub.
+
+PiperOrigin-RevId: 712908937
+Change-Id: Ifdd783bb4415209a7241131feb79460adb360f64
+---
+ absl/time/internal/cctz/BUILD.bazel | 15 ++++++++++++++-
+ 1 file changed, 14 insertions(+), 1 deletion(-)
+
+diff --git a/absl/time/internal/cctz/BUILD.bazel b/absl/time/internal/cctz/BUILD.bazel
+index a2d9c336..da30a0f1 100644
+--- a/absl/time/internal/cctz/BUILD.bazel
++++ b/absl/time/internal/cctz/BUILD.bazel
+@@ -12,6 +12,8 @@
+ #   See the License for the specific language governing permissions and
+ #   limitations under the License.
+
++load("//absl:copts/configure_copts.bzl", "ABSL_DEFAULT_COPTS", "ABSL_DEFAULT_LINKOPTS", "ABSL_TEST_COPTS")
++
+ package(features = [
+     "header_modules",
+     "layering_check",
+@@ -28,6 +30,8 @@ cc_library(
+     hdrs = [
+         "include/cctz/civil_time.h",
+     ],
++    copts = ABSL_DEFAULT_COPTS,
++    linkopts = ABSL_DEFAULT_LINKOPTS,
+     textual_hdrs = ["include/cctz/civil_time_detail.h"],
+     visibility = ["//visibility:public"],
+     deps = ["//absl/base:config"],
+@@ -57,7 +61,8 @@ cc_library(
+         "include/cctz/time_zone.h",
+         "include/cctz/zone_info_source.h",
+     ],
+-    linkopts = select({
++    copts = ABSL_DEFAULT_COPTS,
++    linkopts = ABSL_DEFAULT_LINKOPTS + select({
+         "@platforms//os:osx": ["-Wl,-framework,CoreFoundation"],
+         "@platforms//os:ios": ["-Wl,-framework,CoreFoundation"],
+         "//conditions:default": [],
+@@ -84,6 +89,8 @@ cc_test(
+     name = "civil_time_test",
+     size = "small",
+     srcs = ["src/civil_time_test.cc"],
++    copts = ABSL_TEST_COPTS,
++    linkopts = ABSL_DEFAULT_LINKOPTS,
+     deps = [
+         ":civil_time",
+         "//absl/base:config",
+@@ -96,7 +103,9 @@ cc_test(
+     name = "time_zone_format_test",
+     size = "small",
+     srcs = ["src/time_zone_format_test.cc"],
++    copts = ABSL_TEST_COPTS,
+     data = [":zoneinfo"],
++    linkopts = ABSL_DEFAULT_LINKOPTS,
+     tags = [
+         "no_test_android_arm",
+         "no_test_android_arm64",
+@@ -117,7 +126,9 @@ cc_test(
+     size = "small",
+     timeout = "moderate",
+     srcs = ["src/time_zone_lookup_test.cc"],
++    copts = ABSL_TEST_COPTS,
+     data = [":zoneinfo"],
++    linkopts = ABSL_DEFAULT_LINKOPTS,
+     tags = [
+         "no_test_android_arm",
+         "no_test_android_arm64",
+@@ -144,6 +155,8 @@ cc_test(
+         "src/time_zone_info.h",
+         "src/tzfile.h",
+     ],
++    copts = ABSL_TEST_COPTS,
++    linkopts = ABSL_DEFAULT_LINKOPTS,
+     linkstatic = 1,
+     tags = ["benchmark"],
+     deps = [
+--
+2.43.0