Bug 1246881 - Generate a header defining MOZ_BUILDID. r=mshal

Makefile.in

@@ -15,9 +15,11 @@ export TOPLEVEL_BUILD := 1
 
 default::
 
+ifndef TEST_MOZBUILD
 ifdef MOZ_BUILD_APP
 include $(topsrcdir)/$(MOZ_BUILD_APP)/build.mk
 endif
+endif
 
 include $(topsrcdir)/config/config.mk
 
@@ -28,6 +30,10 @@ DIST_GARBAGE = config.cache config.log config.status* config-defs.h \
    netwerk/necko-config.h xpcom/xpcom-config.h xpcom/xpcom-private.h \
    .mozconfig.mk
 
+ifndef MOZ_PROFILE_USE
+buildid.h: FORCE
+endif
+
 ifdef JS_STANDALONE
 configure_dir = $(topsrcdir)/js/src
 else

build/Makefile.in

@@ -9,11 +9,6 @@ include $(topsrcdir)/config/makefiles/makeutils.mk
 ifdef MOZ_APP_BASENAME
 APP_INI_DEPS = $(topsrcdir)/config/milestone.txt
 
-MOZ_BUILDID := $(shell cat $(DEPTH)/config/buildid)
-APP_INI_DEPS += $(DEPTH)/config/buildid
-
-DEFINES += -DMOZ_BUILDID=$(MOZ_BUILDID)
-
 APP_INI_DEPS += $(DEPTH)/config/autoconf.mk
 
 MOZ_SOURCE_STAMP := $(firstword $(shell cd $(topsrcdir)/$(MOZ_BUILD_APP)/.. && hg parent --template='{node}\n' 2>/dev/null))

build/application.ini

@@ -15,6 +15,7 @@
 ; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #endif
 #filter substitution
+#include @TOPOBJDIR@/buildid.h
 [App]
 Vendor=@MOZ_APP_VENDOR@
 Name=@MOZ_APP_BASENAME@

build/moz.build

@@ -75,3 +75,5 @@ if CONFIG['MOZ_APP_BASENAME']:
     FINAL_TARGET_PP_FILES += ['application.ini']
     if CONFIG['MOZ_WIDGET_TOOLKIT'] != 'android' and CONFIG['MOZ_UPDATER']:
         FINAL_TARGET_PP_FILES += ['update-settings.ini']
+
+DEFINES['TOPOBJDIR'] = TOPOBJDIR

build/variables.py

@@ -0,0 +1,30 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from __future__ import print_function, unicode_literals
+
+import os
+import sys
+from datetime import datetime
+
+
+def buildid_header(output):
+    buildid = os.environ.get('MOZ_BUILD_DATE')
+    if buildid and len(buildid) != 14:
+        print('Ignoring invalid MOZ_BUILD_DATE: %s' % buildid, file=sys.stderr)
+        buildid = None
+    if not buildid:
+        buildid = datetime.now().strftime('%Y%m%d%H%M%S')
+    output.write("#define MOZ_BUILDID %s\n" % buildid)
+
+
+def main(args):
+    if (len(args)):
+        func = globals().get(args[0])
+        if func:
+            return func(sys.stdout, *args[1:])
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv[1:]))

client.mk

@@ -238,7 +238,7 @@ profiledbuild::
 ifdef MOZ_UNIFY_BDATE
 ifndef MOZ_BUILD_DATE
 ifdef MOZ_BUILD_PROJECTS
-MOZ_BUILD_DATE = $(shell $(PYTHON) $(TOPSRCDIR)/toolkit/xre/make-platformini.py --print-buildid)
+MOZ_BUILD_DATE = $(shell $(PYTHON) $(TOPSRCDIR)/build/variables.py buildid_header | awk '{print $$3}')
 export MOZ_BUILD_DATE
 endif
 endif

config/faster/rules.mk

@@ -80,7 +80,7 @@ $(TOPOBJDIR)/%: FORCE
 # corresponding install manifests are named correspondingly, with forward
 # slashes replaced with underscores, and prefixed with `install_`. That is,
 # the install manifest for `dist/bin` would be `install_dist_bin`.
-$(addprefix install-,$(INSTALL_MANIFESTS)): install-%: $(TOPOBJDIR)/config/buildid
+$(addprefix install-,$(INSTALL_MANIFESTS)): install-%: $(TOPOBJDIR)/buildid.h
 	@# For now, force preprocessed files to be reprocessed every time.
 	@# The overhead is not that big, and this avoids waiting for proper
 	@# support for defines tracking in process_install_manifest.
@@ -91,7 +91,6 @@ $(addprefix install-,$(INSTALL_MANIFESTS)): install-%: $(TOPOBJDIR)/config/build
 		$(TOPOBJDIR)/$* \
 		-DAB_CD=en-US \
 		-DBOOKMARKS_INCLUDE_DIR=$(TOPSRCDIR)/browser/locales/en-US/profile \
-		-DMOZ_BUILDID=$(shell cat $(TOPOBJDIR)/config/buildid) \
 		$(ACDEFINES) \
 		install_$(subst /,_,$*)
 

mobile/android/base/Makefile.in

@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-MOZ_BUILDID := $(shell cat $(DEPTH)/config/buildid)
+MOZ_BUILDID := $(shell awk '{print $$3}' $(DEPTH)/buildid.h)
 
 # Set the appropriate version code, based on the existance of the
 # MOZ_APP_ANDROID_VERSION_CODE variable.

mobile/android/base/moz.build

@@ -984,3 +984,5 @@ if CONFIG['MOZ_ANDROID_SEARCH_ACTIVITY']:
     ]
 
 FINAL_TARGET_PP_FILES += ['package-name.txt.in']
+
+DEFINES['TOPOBJDIR'] = TOPOBJDIR

moz.build

@@ -31,9 +31,16 @@ if not CONFIG['JS_STANDALONE']:
         'mozilla-config.h',
     ]
     EXPORTS += [
+        '!buildid.h',
         '!mozilla-config.h',
     ]
 
+    GENERATED_FILES += [
+        'buildid.h',
+    ]
+
+    GENERATED_FILES['buildid.h'].script = 'build/variables.py:buildid_header'
+
     DIRS += [
         'build',
         'probes',

python/mozbuild/mozbuild/android_version_code.py

@@ -75,10 +75,10 @@ def android_version_code_v1(buildid, cpu_arch=None, min_sdk=0, max_sdk=0):
     '''
     def hours_since_cutoff(buildid):
         # The ID is formatted like YYYYMMDDHHMMSS (using
-        # datetime.now().strftime('%Y%m%d%H%M%S'); see
-        # toolkit/xre/make-platformini.py).  The inverse function is
-        # time.strptime.  N.B.: the time module expresses time as decimal
-        # seconds since the epoch.
+        # datetime.now().strftime('%Y%m%d%H%M%S'); see build/variables.py).
+        # The inverse function is time.strptime.
+        # N.B.: the time module expresses time as decimal seconds since the
+        # epoch.
         fmt = '%Y%m%d%H%M%S'
         build = time.strptime(str(buildid), fmt)
         cutoff = time.strptime(str(V1_CUTOFF), fmt)

toolkit/xre/Makefile.in

@@ -28,9 +28,13 @@ ifneq (,$(strip $(MOZ_SOURCE_STAMP)))
 
 endif # MOZ_SOURCE_STAMP
 
-MOZ_BUILDID   := $(strip $(firstword $(shell cat $(DEPTH)/config/buildid 2>/dev/null)))
+MOZ_BUILDID   := $(shell awk '{print $$3}' $(DEPTH)/buildid.h)
 $(call errorIfEmpty,GRE_MILESTONE MOZ_BUILDID)
 
 DEFINES += -DMOZ_BUILDID=$(MOZ_BUILDID)
 
-$(srcdir)/nsAppRunner.cpp: $(DEPTH)/config/buildid $(milestone_txt)
+# Note these dependencies are broken because the target is *not* the cpp file.
+# BUT, actually fixing it would make libxul rebuilt on every single incremental
+# build because of the automatic buildid change. This is why we can't actually
+# include buildid.h there, because it would add the dependency.
+$(srcdir)/nsAppRunner.cpp: $(DEPTH)/buildid.h $(milestone_txt)

toolkit/xre/moz.build

@@ -180,6 +180,7 @@ CXXFLAGS += CONFIG['MOZ_DBUS_GLIB_CFLAGS']
 if CONFIG['MOZ_WIDGET_GTK']:
     CXXFLAGS += CONFIG['MOZ_PANGO_CFLAGS']
 
+DEFINES['TOPOBJDIR'] = TOPOBJDIR
 FINAL_TARGET_PP_FILES += [
     'platform.ini'
 ]

toolkit/xre/nsAppRunner.cpp

@@ -253,6 +253,12 @@ static char **gQtOnlyArgv;
 #include <fontconfig/fontconfig.h>
 #endif
 #include "BinaryPath.h"
+#ifndef MOZ_BUILDID
+// See comment in Makefile.in why we want to avoid including buildid.h.
+// Still include it when MOZ_BUILDID is not set, which can happen with some
+// build backends.
+#include "buildid.h"
+#endif
 
 #ifdef MOZ_LINKER
 extern "C" MFBT_API bool IsSignalHandlingBroken();

toolkit/xre/platform.ini

@@ -4,6 +4,7 @@
 ; file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #endif
 #filter substitution
+#include @TOPOBJDIR@/buildid.h
 [Build]
 BuildID=@MOZ_BUILDID@
 Milestone=@GRE_MILESTONE@

webapprt/gtk/Makefile.in

@@ -5,10 +5,3 @@
 NSDISTMODE = copy
 
 PROGRAMS_DEST = $(DIST)/bin
-
-include $(topsrcdir)/config/rules.mk
-
-MOZ_BUILDID := $(shell cat $(DEPTH)/config/buildid)
-DEFINES += -DMOZ_BUILDID=$(MOZ_BUILDID)
-
-webapprt.$(OBJ_SUFFIX): $(DEPTH)/config/buildid

webapprt/gtk/webapprt.cpp

@@ -19,6 +19,7 @@
 #include "nsXPCOMPrivate.h"              // for MAXPATHLEN and XPCOM_DLL
 #include "nsXULAppAPI.h"
 #include "BinaryPath.h"
+#include "buildid.h"
 
 const char kAPP_INI[] = "application.ini";
 const char kWEBAPP_INI[] = "webapp.ini";

webapprt/mac/Makefile.in

@@ -7,10 +7,3 @@
 NSDISTMODE = copy
 
 PROGRAMS_DEST = $(DIST)/bin
-
-include $(topsrcdir)/config/rules.mk
-
-MOZ_BUILDID := $(shell cat $(DEPTH)/config/buildid)
-DEFINES += -DMOZ_BUILDID=$(MOZ_BUILDID)
-
-webapprt.$(OBJ_SUFFIX): $(DEPTH)/config/buildid

webapprt/mac/webapprt.mm

@@ -29,6 +29,7 @@
 #include "nsIFile.h"
 #include "nsStringGlue.h"
 #include "mozilla/AppData.h"
+#include "buildid.h"
 
 using namespace mozilla;
 

webapprt/moz.build

@@ -57,3 +57,5 @@ JS_PREFERENCE_PP_FILES += [
 FINAL_TARGET_PP_FILES += [
     'webapprt.ini',
 ]
+
+DEFINES['TOPOBJDIR'] = TOPOBJDIR

webapprt/webapprt.ini

@@ -5,6 +5,7 @@
 #endif
 
 #filter substitution
+#include @TOPOBJDIR@/buildid.h
 
 [App]
 ID=webapprt@mozilla.org

webapprt/win/Makefile.in

@@ -48,8 +48,3 @@ PROGRAMS_DEST = $(DIST)/bin
 
 include $(topsrcdir)/config/rules.mk
 include $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/makensis.mk
-
-MOZ_BUILDID := $(shell cat $(DEPTH)/config/buildid)
-DEFINES += -DMOZ_BUILDID=$(MOZ_BUILDID)
-
-webapprt.$(OBJ_SUFFIX): $(DEPTH)/config/buildid

webapprt/win/webapprt.cpp

@@ -19,6 +19,7 @@
 #include "nsXPCOMPrivate.h"     // for MAXPATHLEN and XPCOM_DLL
 #include "nsXULAppAPI.h"
 #include "mozilla/AppData.h"
+#include "buildid.h"
 
 using namespace mozilla;