build: do not set -mminimal-toc with clang

This is a gcc-only option, do not pass to clang.

PR-URL: #59484
Refs: nodejs/build#4091
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

Author: richardlau

common.gypi

@@ -538,7 +538,12 @@
                 'ldflags': [ '-m64' ],
               }],
               [ 'host_arch=="ppc64" and OS not in "aix os400"', {
-                'cflags': [ '-m64', '-mminimal-toc' ],
+                'conditions': [
+                  [ 'clang==0', {
+                    'cflags': [ '-mminimal-toc' ],
+                  }],
+                ],
+                'cflags': [ '-m64' ],
                 'ldflags': [ '-m64' ],
               }],
               [ 'host_arch=="s390x" and OS=="linux"', {
@@ -558,7 +563,12 @@
                 'ldflags': [ '-m64' ],
               }],
               [ 'target_arch=="ppc64" and OS not in "aix os400"', {
-                'cflags': [ '-m64', '-mminimal-toc' ],
+                'conditions': [
+                  [ 'clang==0', {
+                    'cflags': [ '-mminimal-toc' ],
+                  }],
+                ],
+                'cflags': [ '-m64' ],
                 'ldflags': [ '-m64' ],
               }],
               [ 'target_arch=="s390x" and OS=="linux"', {