build: start build on z/OS

Update configure.py, Makefile, and common.gypi to get the
build started on z/OS.

Co-authored-by: Gaby Baghdadi <baghdadi@ca.ibm.com>
Co-authored-by: Wayne Zhang <zsw007@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/41273
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>

1 files changed, 34 insertions, 1 deletions

diff --git a/configure.py b/configure.py
index 817bcbf8bfc..3209c5a6472 100755
--- a/configure.py
+++ b/configure.py
@@ -62,6 +62,9 @@ shared_optgroup = parser.add_argument_group("Shared libraries",
     "Flags that allows you to control whether you want to build against "
     "built-in dependencies or its shared representations. If necessary, "
     "provide multiple libraries with comma.")
+static_optgroup = parser.add_argument_group("Static libraries",
+    "Flags that allows you to control whether you want to build against "
+    "additional static libraries.")
 intl_optgroup = parser.add_argument_group("Internationalization",
     "Flags that lets you enable i18n features in Node.js as well as which "
     "library you want to build against.")
@@ -413,6 +416,13 @@ shared_optgroup.add_argument('--shared-cares-libpath',
 
 parser.add_argument_group(shared_optgroup)
 
+static_optgroup.add_argument('--static-zoslib-gyp',
+    action='store',
+    dest='static_zoslib_gyp',
+    help='path to zoslib.gyp file for includes and to link to static zoslib libray')
+
+parser.add_argument_group(static_optgroup)
+
 parser.add_argument('--systemtap-includes',
     action='store',
     dest='systemtap_includes',
@@ -859,7 +869,11 @@ def try_check_compiler(cc, lang):
   proc.stdin.write(b'__clang__ __GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__ '
                    b'__clang_major__ __clang_minor__ __clang_patchlevel__')
 
-  values = (to_utf8(proc.communicate()[0]).split() + ['0'] * 7)[0:7]
+  if sys.platform == 'zos':
+    values = (to_utf8(proc.communicate()[0]).split('\n')[-2].split() + ['0'] * 7)[0:7]
+  else:
+    values = (to_utf8(proc.communicate()[0]).split() + ['0'] * 7)[0:7]
+
   is_clang = values[0] == '1'
   gcc_version = tuple(map(int, values[1:1+3]))
   clang_version = tuple(map(int, values[4:4+3])) if is_clang else None
@@ -1046,6 +1060,8 @@ def is_arm_hard_float_abi():
 def host_arch_cc():
   """Host architecture check using the CC command."""
 
+  if sys.platform.startswith('zos'):
+    return 's390x'
   k = cc_macros(os.environ.get('CC_host'))
 
   matchup = {
@@ -1131,6 +1147,14 @@ def configure_mips(o, target_arch):
   host_byteorder = 'little' if target_arch in ('mipsel', 'mips64el') else 'big'
   o['variables']['v8_host_byteorder'] = host_byteorder
 
+def configure_zos(o):
+  o['variables']['node_static_zoslib'] = b(True)
+  if options.static_zoslib_gyp:
+    # Apply to all Node.js components for now
+    o['include_dirs'] += [os.path.dirname(options.static_zoslib_gyp) + '/include']
+  else:
+    raise Exception('--static-zoslib-gyp=<path to zoslib.gyp file> is required.')
+
 def clang_version_ge(version_checked):
   for compiler in [(CC, 'c'), (CXX, 'c++')]:
     ok, is_clang, clang_version, gcc_version = \
@@ -1200,6 +1224,8 @@ def configure_node(o):
     configure_arm(o)
   elif target_arch in ('mips', 'mipsel', 'mips64el'):
     configure_mips(o, target_arch)
+  elif sys.platform == 'zos':
+    configure_zos(o)
 
   if flavor == 'aix':
     o['variables']['node_target_type'] = 'static_library'
@@ -1312,6 +1338,8 @@ def configure_node(o):
     shlib_suffix = '%s.dylib'
   elif sys.platform.startswith('aix'):
     shlib_suffix = '%s.a'
+  elif sys.platform.startswith('zos'):
+    shlib_suffix = '%s.x'
   else:
     shlib_suffix = 'so.%s'
   if '%s' in shlib_suffix:
@@ -1402,6 +1430,8 @@ def configure_v8(o):
     o['variables']['test_isolation_mode'] = 'noop'  # Needed by d8.gyp.
   if options.without_bundled_v8 and options.enable_d8:
     raise Exception('--enable-d8 is incompatible with --without-bundled-v8.')
+  if options.static_zoslib_gyp:
+    o['variables']['static_zoslib_gyp'] = options.static_zoslib_gyp
 
 
 def configure_openssl(o):
@@ -1805,6 +1835,9 @@ def configure_intl(o):
   elif sys.platform.startswith('aix'):
     icu_config['variables']['icu_asm_ext'] = 'S'
     icu_config['variables']['icu_asm_opts'] = [ '-a', 'xlc' ]
+  elif sys.platform == 'zos':
+    icu_config['variables']['icu_asm_ext'] = 'S'
+    icu_config['variables']['icu_asm_opts'] = [ '-a', 'zos' ]
   else:
     # assume GCC-compatible asm is OK
     icu_config['variables']['icu_asm_ext'] = 'S'