[#28540] build: Change minimum GCC version to GCC 12

Summary:
All our supported build platforms (Ubuntu 22.04+, Almalinux 8+) support GCC 12. This bumps
the minimum GCC version to GCC 12.
Jira: DB-18239

Test Plan: Jenkins

Reviewers: asrivastava

Reviewed By: asrivastava

Subscribers: yql, ybase

Tags: #jenkins-ready

Differential Revision: https://phorge.dev.yugabyte.com/D46343

Author: es1024

.github/workflows/build.yml

@@ -42,9 +42,9 @@ jobs:
       # This should be a sub-set of the build flavors in jenkins_jobs.yml.
       matrix:
         include:
-          - name: "GCC 11, fastdebug, AlmaLinux 8"
+          - name: "GCC 12, fastdebug, AlmaLinux 8"
             os: ubuntu-24.04
-            yb_build_args: --gcc11 fastdebug --no-linuxbrew
+            yb_build_args: --gcc12 fastdebug --no-linuxbrew
             docker_image: yugabyteci/yb_build_infra_almalinux8_x86_64:latest
 
           - name: "GCC 12, debug, AlmaLinux 9"

build-support/common-build-env-test.sh

@@ -161,15 +161,15 @@ test_set_cmake_build_type_and_compiler_type   asan       darwin    clang      fa
 test_set_cmake_build_type_and_compiler_type   asan       darwin    gcc        N/A        N/A     1
 test_set_cmake_build_type_and_compiler_type   asan       linux-gnu clang14    fastdebug  clang14 0
 test_set_cmake_build_type_and_compiler_type   asan       linux-gnu gcc        N/A        N/A     1
-test_set_cmake_build_type_and_compiler_type   asan       linux-gnu gcc11      N/A        gcc11   1
+test_set_cmake_build_type_and_compiler_type   asan       linux-gnu gcc12      N/A        gcc12   1
 test_set_cmake_build_type_and_compiler_type   tsan       linux-gnu clang14    fastdebug  clang14 0
 test_set_cmake_build_type_and_compiler_type   tsan       linux-gnu gcc        N/A        N/A     1
-test_set_cmake_build_type_and_compiler_type   tsan       linux-gnu gcc11      N/A        gcc11   1
+test_set_cmake_build_type_and_compiler_type   tsan       linux-gnu gcc12      N/A        gcc12   1
 test_set_cmake_build_type_and_compiler_type   debug      darwin    auto       debug      clang   0
 test_set_cmake_build_type_and_compiler_type   debug      darwin    clang      debug      clang   0
 test_set_cmake_build_type_and_compiler_type   debug      linux-gnu clang      debug      clang   0
 test_set_cmake_build_type_and_compiler_type   debug      linux-gnu gcc        debug      gcc     0
-test_set_cmake_build_type_and_compiler_type   debug      linux-gnu gcc11      debug      gcc11   0
+test_set_cmake_build_type_and_compiler_type   debug      linux-gnu gcc12      debug      gcc12   0
 test_set_cmake_build_type_and_compiler_type   FaStDeBuG  darwin    auto       fastdebug  clang   0
 test_set_cmake_build_type_and_compiler_type   FaStDeBuG  darwin    clang      fastdebug  clang   0
 test_set_cmake_build_type_and_compiler_type   FaStDeBuG  linux-gnu clang      fastdebug  clang   0
@@ -178,7 +178,7 @@ test_set_cmake_build_type_and_compiler_type   release    darwin    auto       re
 test_set_cmake_build_type_and_compiler_type   release    darwin    clang      release    clang   0
 test_set_cmake_build_type_and_compiler_type   release    linux-gnu clang      release    clang   0
 test_set_cmake_build_type_and_compiler_type   release    linux-gnu gcc        release    gcc     0
-test_set_cmake_build_type_and_compiler_type   release    linux-gnu gcc11      release    gcc11   0
+test_set_cmake_build_type_and_compiler_type   release    linux-gnu gcc12      release    gcc12   0
 test_set_cmake_build_type_and_compiler_type   debug      linux-gnu auto       debug      clang19 0
 test_set_cmake_build_type_and_compiler_type   FaStDeBuG  linux-gnu auto       fastdebug  clang19 0
 test_set_cmake_build_type_and_compiler_type   release    linux-gnu auto       release    clang19 0

build-support/common-build-env.sh

@@ -225,7 +225,6 @@ make_regex_from_list VALID_CMAKE_BUILD_TYPES "${VALID_CMAKE_BUILD_TYPES[@]}"
 
 readonly -a VALID_COMPILER_TYPES=(
   gcc
-  gcc11
   gcc12
   gcc13
   clang

cmake_modules/YugabyteCMakeUnitTest.cmake

@@ -56,7 +56,7 @@ function(test_parse_build_root_basename)
   check_parse_build_root_basename(
     "debug-clang-dynamic"                "debug"     "clang"       "dynamic"  OFF)
   check_parse_build_root_basename(
-    "asan-gcc11-dynamic-ninja"           "asan"      "gcc11"       "dynamic"  OFF)
+    "asan-gcc12-dynamic-ninja"           "asan"      "gcc12"       "dynamic"  OFF)
   check_parse_build_root_basename(
     "debug-clang-dynamic"                "debug"     "clang"       "dynamic"  OFF)
   check_parse_build_root_basename(

jenkins_jobs.yml

@@ -12,7 +12,7 @@ jobs:
     release_artifact: false
 
   - os: alma8
-    compiler: gcc11
+    compiler: gcc12
     build_type: fastdebug
     test_opts: YB_TEST_YB_CONTROLLER=0
     release_artifact: false