build: Add option to compile for coverage reports

Add --coverage option to configure to support compiling for generation of C based coverage reports PR-URL: #9463 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
nodejs · Nov 22, 2016 · 3efb43c · 3efb43c
1 parent ee65b48
commit 3efb43c
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diff --git a/configure b/configure
@@ -59,6 +59,11 @@ parser.add_option('--prefix',
    default='/usr/local',
    help='select the install prefix [default: %default]')

+parser.add_option('--coverage',
+    action='store_true',
+    dest='coverage',
+    help='Build node with code coverage enabled')
+
 parser.add_option('--debug',
    action='store_true',
    dest='debug',
@@ -857,6 +862,11 @@ def configure_node(o):
  if options.use_xcode and options.use_ninja:
    raise Exception('--xcode and --ninja cannot be used together.')

+  if options.coverage:
+    o['variables']['coverage'] = 'true'
+  else:
+    o['variables']['coverage'] = 'false'
+
 def configure_library(lib, output):
  shared_lib = 'shared_' + lib
  output['variables']['node_' + shared_lib] = b(getattr(options, shared_lib))

diff --git a/node.gyp b/node.gyp
@@ -549,11 +549,22 @@
            'NODE_PLATFORM="sunos"',
          ],
        }],
-        [ '(OS=="freebsd" or OS=="linux") and node_shared=="false"', {
+        [ '(OS=="freebsd" or OS=="linux") and node_shared=="false" and coverage=="false"', {
          'ldflags': [ '-Wl,-z,noexecstack',
                       '-Wl,--whole-archive <(V8_BASE)',
                       '-Wl,--no-whole-archive' ]
        }],
+        [ '(OS=="freebsd" or OS=="linux") and node_shared=="false" and coverage=="true"', {
+          'ldflags': [ '-Wl,-z,noexecstack',
+                       '-Wl,--whole-archive <(V8_BASE)',
+                       '-Wl,--no-whole-archive',
+                       '--coverage',
+                       '-g',
+                       '-O0' ],
+           'cflags': [ '--coverage',
+                       '-g',
+                       '-O0' ]
+        }],
        [ 'OS=="sunos"', {
          'ldflags': [ '-Wl,-M,/usr/lib/ld/map.noexstk' ],
        }],