Index: modcargo-crates/v8-137.2.1/build/config/compiler/BUILD.gn
--- modcargo-crates/v8-137.2.1/build/config/compiler/BUILD.gn.orig
+++ modcargo-crates/v8-137.2.1/build/config/compiler/BUILD.gn
@@ -197,7 +197,7 @@ declare_args() {
   # This greatly reduces the size of debug builds, at the cost of
   # debugging information which is required by some specialized
   # debugging tools.
-  simple_template_names = is_clang && !is_nacl && !is_win && !is_apple
+  simple_template_names = is_clang && !is_nacl && !is_win && !is_apple && !is_bsd
 
   # Limits the debuginfo that gets generated in "minimal symbols" mode to just
   # line tables. This flag only has any effect when `symbol_level` is set to 1.
@@ -266,13 +266,16 @@ config("default_include_dirs") {
 # Compiler instrumentation can introduce dependencies in DSOs to symbols in
 # the executable they are loaded into, so they are unresolved at link-time.
 config("no_unresolved_symbols") {
-  if (!using_sanitizer &&
+  if (!using_sanitizer && !is_bsd &&
       (is_linux || is_chromeos || is_android || is_fuchsia)) {
     ldflags = [
       "-Wl,-z,defs",
       "-Wl,--as-needed",
     ]
   }
+  if (current_cpu == "x86" && is_openbsd) {
+    ldflags = [ "-Wl,-z,notext", "-Wl,--strip-all" ]
+  }
 }
 
 # compiler ---------------------------------------------------------------------
@@ -407,7 +410,7 @@ config("compiler") {
     }
 
     # Linker warnings.
-    if (fatal_linker_warnings && !is_apple && current_os != "aix" &&
+    if (fatal_linker_warnings && !is_apple && !is_openbsd && current_os != "aix" &&
         current_os != "zos") {
       ldflags += [ "-Wl,--fatal-warnings" ]
     }
@@ -531,6 +534,10 @@ config("compiler") {
     }
   }
 
+  if (is_openbsd) {
+    ldflags += [ "-Wl,-z,wxneeded" ]
+  }
+
   # Linux-specific compiler flags setup.
   # ------------------------------------
   if (use_icf && (!is_apple || use_lld)) {
@@ -590,7 +597,7 @@ config("compiler") {
     ldflags += [ "-Wl,-z,keep-text-section-prefix" ]
   }
 
-  if (is_clang && !is_nacl) {
+  if (is_clang && !is_nacl && !is_bsd) {
     cflags += [ "-fcrash-diagnostics-dir=" + clang_diagnostic_dir ]
     if (save_reproducers_on_lld_crash && use_lld) {
       ldflags += [
@@ -1249,7 +1256,7 @@ config("compiler_cpu_abi") {
         cflags += [ "-mtune=$arm_tune" ]
       }
     } else if (current_cpu == "arm64") {
-      if (is_clang && !is_android && !is_nacl && !is_fuchsia &&
+      if (is_clang && !is_bsd && !is_android && !is_nacl && !is_fuchsia &&
           !is_chromeos_device) {
         cflags += [ "--target=aarch64-linux-gnu" ]
         ldflags += [ "--target=aarch64-linux-gnu" ]
@@ -1584,7 +1591,7 @@ config("compiler_deterministic") {
     # different build directory like "out/feature_a" and "out/feature_b" if
     # we build same files with same compile flag.
     # Other paths are already given in relative, no need to normalize them.
-    if (is_nacl) {
+    if (is_nacl || is_bsd) {
       # TODO(https://crbug.com/1231236): Use -ffile-compilation-dir= here.
       cflags += [
         "-Xclang",
@@ -1604,7 +1611,7 @@ config("compiler_deterministic") {
         rebase_path("//.", "") + "=" + rebase_path("//.", root_build_dir),
       ]
     }
-    if (!is_win) {
+    if (!is_win && !is_bsd) {
       # We don't use clang -cc1as on Windows (yet? https://crbug.com/762167)
       asmflags = [ "-Wa,-fdebug-compilation-dir,." ]
     }
@@ -1643,7 +1650,7 @@ config("compiler_deterministic") {
 
 config("clang_revision") {
   if (is_clang && clang_base_path == default_clang_base_path &&
-      current_os != "zos") {
+      current_os != "zos" && !is_bsd) {
     update_args = [
       "--print-revision",
       "--verify-version=$clang_version",
@@ -2359,7 +2366,7 @@ config("export_dynamic") {
 # 2. Remove the thin_archive config, so that the .a file actually contains all
 #    .o files, instead of just references to .o files in the build directoy
 config("thin_archive") {
-  if ((is_apple && use_lld) || (is_linux && !is_clang) || current_os == "aix") {
+  if ((is_apple && use_lld) || (is_linux && !is_clang && !is_bsd) || current_os == "aix") {
     # The macOS and iOS linker ld64.ldd doesn't support thin archive without
     # symbol table, gcc on linux also throws the error `archive has no index`.
     # AIX does support -s option, not -S option.
@@ -2809,7 +2816,7 @@ config("afdo_optimize_size") {
 # There are some targeted places that AFDO regresses, so we provide a separate
 # config to allow AFDO to be disabled per-target.
 config("afdo") {
-  if (is_clang) {
+  if (is_clang && !is_bsd) {
     cflags = []
     if (clang_emit_debug_info_for_profiling) {
       # Add the following flags to generate debug info for profiling.
@@ -2836,7 +2843,7 @@ config("afdo") {
       cflags += [ "-Wno-backend-plugin" ]
       inputs = [ _clang_sample_profile ]
     }
-  } else if (auto_profile_path != "" && is_a_target_toolchain) {
+  } else if (auto_profile_path != "" && is_a_target_toolchain && !is_bsd) {
     cflags = [ "-fauto-profile=${auto_profile_path}" ]
     inputs = [ auto_profile_path ]
   }
@@ -2940,7 +2947,7 @@ config("symbols") {
     # Keeping -g2 for saigo as it's the only toolchain whose artifacts that are
     # part of chromium release (other nacl toolchains are used only for tests).
     if ((!is_nacl || is_nacl_saigo) && current_os != "zos") {
-      cflags += [ "-g2" ]
+      cflags += [ "-g0" ]
     }
 
     if (!is_nacl && is_clang && !is_tsan && !is_asan) {
@@ -2975,7 +2982,7 @@ config("symbols") {
     # DWARF info may be corrupt; offsets in a range list entry are in different
     # sections" there.  Maybe just a bug in nacl_switch_32.S.
     _enable_gdb_index =
-        symbol_level == 2 && !is_apple && !is_nacl && current_cpu != "x86" &&
+        symbol_level == 2 && !is_apple && !is_bsd && !is_nacl && current_cpu != "x86" &&
         current_os != "zos" && use_lld && !is_wasm &&
         # Disable on non-fission 32-bit Android because it pushes
         # libcomponents_unittests over the 4gb size limit.
@@ -3013,7 +3020,7 @@ config("symbols") {
     cflags += [ "-gomit-unreferenced-methods" ]
   }
 
-  if (is_clang && (!is_nacl || is_nacl_saigo)) {
+  if (is_clang && (!is_nacl || is_nacl_saigo) && !is_bsd) {
     if (is_apple) {
       # TODO(crbug.com/40117949): Investigate missing debug info on mac.
       # Make sure we don't use constructor homing on mac.
