build: enable compilation for linuxOne

Changes to Node core in order to allow compilation for linuxOne.

The ../archs/linux32-s390x/opensslconf.h and
../archs/linux64-s390x/opensslconf.h were automatically
generated by running make linux-ppc linux-ppc64 in the
deps/openssl/config directory as per our standard
practice

After these changes we still need a version of v8
which supports linuxOne but that will be coming soon
in the 5.1 version of v8.  Until then with these changes
we'll be able to create a hybrid build which pulls in
v8 from the http://github/andrewlow repo.

PR-URL: #5941
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Author: mhdawson

Makefile

@@ -332,12 +332,20 @@ else
 ifeq ($(DESTCPU),ppc)
 ARCH=ppc
 else
+ifeq ($(DESTCPU),s390)
+ARCH=s390
+else
+ifeq ($(DESTCPU),s390x)
+ARCH=s390x
+else
 ARCH=x86
 endif
 endif
 endif
 endif
 endif
+endif
+endif
 
 # node and v8 use different arch names (e.g. node 'x86' vs v8 'ia32').
 # pass the proper v8 arch name to $V8_ARCH based on user-specified $DESTCPU.

common.gypi

@@ -254,6 +254,14 @@
 	    'cflags': [ '-m64', '-mminimal-toc' ],
 	    'ldflags': [ '-m64' ],
 	   }],
+          [ 'target_arch=="s390"', {
+            'cflags': [ '-m31' ],
+            'ldflags': [ '-m31' ],
+          }],
+          [ 'target_arch=="s390x"', {
+            'cflags': [ '-m64' ],
+            'ldflags': [ '-m64' ],
+          }],
           [ 'OS=="solaris"', {
             'cflags': [ '-pthreads' ],
             'ldflags': [ '-pthreads' ],

configure

@@ -28,7 +28,7 @@ parser = optparse.OptionParser()
 valid_os = ('win', 'mac', 'solaris', 'freebsd', 'openbsd', 'linux',
             'android', 'aix')
 valid_arch = ('arm', 'arm64', 'ia32', 'mips', 'mipsel', 'ppc', 'ppc64', 'x32',
-              'x64', 'x86')
+              'x64', 'x86', 's390', 's390x')
 valid_arm_float_abi = ('soft', 'softfp', 'hard')
 valid_arm_fpu = ('vfp', 'vfpv3', 'vfpv3-d16', 'neon')
 valid_mips_arch = ('loongson', 'r1', 'r2', 'r6', 'rx')
@@ -601,14 +601,17 @@ def host_arch_cc():
     '__PPC64__'   : 'ppc64',
     '__PPC__'     : 'ppc',
     '__x86_64__'  : 'x64',
+    '__s390__'    : 's390',
+    '__s390x__'   : 's390x',
   }
 
   rtn = 'ia32' # default
 
   for i in matchup:
     if i in k and k[i] != '0':
       rtn = matchup[i]
-      break
+      if rtn != 's390':
+        break
 
   return rtn
 

deps/openssl/config/Makefile

@@ -5,7 +5,8 @@ COPT = no-shared no-symlinks
 ARCHS = aix