Fix SPEC CPU build failure on GCC 15

src/VirtualClient/VirtualClient.Actions/SPECcpu/SpecCpuExecutor.cs

@@ -489,6 +489,11 @@ private async Task WriteSpecCpuConfigAsync(CancellationToken cancellationToken)
                     SpecCpuConfigPlaceHolder.Gcc10Workaround,
                     Convert.ToInt32(compilerVersion) >= 10 ? SpecCpuConfigPlaceHolder.Gcc10WorkaroundContent : string.Empty,
                     StringComparison.OrdinalIgnoreCase);
+
+                templateText = templateText.Replace(
+                    SpecCpuConfigPlaceHolder.Gcc15Workaround,
+                    Convert.ToInt32(compilerVersion) >= 15 ? SpecCpuConfigPlaceHolder.Gcc15WorkaroundContent : string.Empty,
+                    StringComparison.OrdinalIgnoreCase);
             }
             else
             {
@@ -501,6 +506,11 @@ private async Task WriteSpecCpuConfigAsync(CancellationToken cancellationToken)
                 SpecCpuConfigPlaceHolder.Gcc10Workaround,
                 SpecCpuConfigPlaceHolder.Gcc10WorkaroundContent,
                 StringComparison.OrdinalIgnoreCase);
+
+                templateText = templateText.Replace(
+                SpecCpuConfigPlaceHolder.Gcc15Workaround,
+                SpecCpuConfigPlaceHolder.Gcc15WorkaroundContent,
+                StringComparison.OrdinalIgnoreCase);
             }
 
             templateText = templateText.Replace(
@@ -572,6 +582,8 @@ private static class SpecCpuConfigPlaceHolder
             public const string PeakOptimizingFlags = "$PeakOptimizingFlags$";
             public const string Gcc10Workaround = "$Gcc10Workaround$";
             public const string Gcc10WorkaroundContent = "%define GCCge10";
+            public const string Gcc15Workaround = "$Gcc15Workaround$";
+            public const string Gcc15WorkaroundContent = "%define GCCge15";
         }
     }
 }

src/VirtualClient/VirtualClient.Actions/SPECcpu/vc-linux-arm64-jemalloc.cfg

@@ -164,6 +164,7 @@ default:
 #       line to avoid compile errors for several FP benchmarks
 #
 %define GCCge10  # EDIT: remove the '#' from column 1 if using GCC 10 or later
+%define GCCge15  # EDIT: remove the '#' from column 1 if using GCC 15 or later
 
 # EDIT if needed: the preENV line adds library directories to the runtime
 #      path.  You can adjust it, or add lines for other environment variables.
@@ -318,6 +319,9 @@ default:   # data model applies to all benchmarks
 #
 default=base:         # flags for all base
    OPTIMIZE         = -g -O3 -mcpu=native
+%  ifdef %{GCCge15}                         # workaround for GCC v15 (and presumably later)
+   EXTRA_CXXFLAGS   = -Wno-error=template-body
+%  endif
 
 
 #--------  Peak Tuning Flags ----------------------------------------------

src/VirtualClient/VirtualClient.Actions/SPECcpu/vc-linux-arm64.cfg

@@ -164,6 +164,7 @@ default:
 #       line to avoid compile errors for several FP benchmarks
 #
 $Gcc10Workaround$  # EDIT: remove the '#' from column 1 if using GCC 10 or later
+$Gcc15Workaround$  # workaround for GCC v15 (and presumably later)
 
 # EDIT if needed: the preENV line adds library directories to the runtime
 #      path.  You can adjust it, or add lines for other environment variables.
@@ -314,6 +315,9 @@ default:   # data model applies to all benchmarks
 #
 default=base:         # flags for all base
    OPTIMIZE         = $BaseOptimizingFlags$
+%  ifdef %{GCCge15}                         # workaround for GCC v15 (and presumably later)
+   EXTRA_CXXFLAGS   = -Wno-error=template-body
+%  endif
 
 
 #--------  Peak Tuning Flags ----------------------------------------------

src/VirtualClient/VirtualClient.Actions/SPECcpu/vc-linux-x64-jemalloc.cfg

@@ -158,6 +158,7 @@ default:
 #       line to avoid compile errors for several FP benchmarks
 #
 %define GCCge10  # EDIT: remove the '#' from column 1 if using GCC 10 or later
+%define GCCge15  # EDIT: remove the '#' from column 1 if using GCC 15 or later
 
 # EDIT if needed: the preENV line adds library directories to the runtime
 #      path.  You can adjust it, or add lines for other environment variables.
@@ -300,7 +301,10 @@ fpspeed:
 #                   the -march=native.   See topic "Older GCC" above.
 #
 default=base:     # flags for all base
-   OPTIMIZE       = -g -O3 -march=native 
+   OPTIMIZE       = -g -O3 -march=native
+%  ifdef %{GCCge15}                         # workaround for GCC v15 (and presumably later)
+   EXTRA_CXXFLAGS = -Wno-error=template-body
+%  endif
 
 
 #--------  Peak Tuning Flags ----------------------------------------------

src/VirtualClient/VirtualClient.Actions/SPECcpu/vc-linux-x64.cfg

@@ -158,6 +158,7 @@ default:
 #       line to avoid compile errors for several FP benchmarks
 #
 $Gcc10Workaround$  # EDIT: remove the '#' from column 1 if using GCC 10 or later
+$Gcc15Workaround$  # workaround for GCC v15 (and presumably later)
 
 # EDIT if needed: the preENV line adds library directories to the runtime
 #      path.  You can adjust it, or add lines for other environment variables.
@@ -297,6 +298,9 @@ fpspeed:
 #
 default=base:     # flags for all base
    OPTIMIZE       = $BaseOptimizingFlags$
+%  ifdef %{GCCge15}                         # workaround for GCC v15 (and presumably later)
+   EXTRA_CXXFLAGS = -Wno-error=template-body
+%  endif
 
 
 #--------  Peak Tuning Flags ----------------------------------------------