src: large pages option: FreeBSD support proposal

Enabling on amd64 and as Linux, are 2MB large.
The ELF section linkage script is compatible only with GNU ld.

PR-URL: https://github.com/nodejs/node/pull/28331
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 9 insertions, 8 deletions

diff --git a/configure.py b/configure.py
index 2376095719..44d2eb2539 100755
--- a/configure.py
+++ b/configure.py
@@ -1039,22 +1039,23 @@ def configure_node(o):
   else:
     o['variables']['node_use_dtrace'] = 'false'
 
-  if options.node_use_large_pages and flavor != 'linux':
+  if options.node_use_large_pages and not flavor in ('linux', 'freebsd'):
     raise Exception(
       'Large pages are supported only on Linux Systems.')
-  if options.node_use_large_pages and flavor == 'linux':
+  if options.node_use_large_pages and flavor in ('linux', 'freebsd'):
     if options.shared or options.enable_static:
       raise Exception(
         'Large pages are supported only while creating node executable.')
     if target_arch!="x64":
       raise Exception(
         'Large pages are supported only x64 platform.')
-    # Example full version string: 2.6.32-696.28.1.el6.x86_64
-    FULL_KERNEL_VERSION=os.uname()[2]
-    KERNEL_VERSION=FULL_KERNEL_VERSION.split('-')[0]
-    if KERNEL_VERSION < "2.6.38":
-      raise Exception(
-        'Large pages need Linux kernel version >= 2.6.38')
+    if flavor == 'linux':
+      # Example full version string: 2.6.32-696.28.1.el6.x86_64
+      FULL_KERNEL_VERSION=os.uname()[2]
+      KERNEL_VERSION=FULL_KERNEL_VERSION.split('-')[0]
+      if KERNEL_VERSION < "2.6.38" and flavor == 'linux':
+        raise Exception(
+          'Large pages need Linux kernel version >= 2.6.38')
   o['variables']['node_use_large_pages'] = b(options.node_use_large_pages)
 
   if options.no_ifaddrs: