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# -*- Mode: makefile -*-
#
# 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/.

ifndef .PYMAKE
ifeq (,$(MAKE_VERSION))
$(error GNU Make is required)
endif
make_min_ver := 3.81
ifneq ($(make_min_ver),$(firstword $(sort $(make_min_ver) $(MAKE_VERSION))))
$(error GNU Make $(make_min_ver) or higher is required)
endif
endif

TOPLEVEL_BUILD := 1

run_for_side_effects := $(shell echo 'MAKE: $(MAKE)')
STATIC_LIBRARY_NAME = js_static
LIBS		= $(NSPR_LIBS)

DIST_INSTALL = 1

ifdef JS_STANDALONE
SHARED_LIBRARY_LIBS += $(call EXPAND_LIBNAME_PATH,mfbt,$(DEPTH)/mfbt)
endif

ifdef JS_HAS_CTYPES
ifdef MOZ_NATIVE_FFI
LOCAL_INCLUDES = $(MOZ_FFI_CFLAGS)
endif

ifdef MOZ_NATIVE_FFI
EXTRA_DSO_LDOPTS += $(MOZ_FFI_LIBS)
else
SHARED_LIBRARY_LIBS += \
    ctypes/libffi/.libs/libffi.$(LIB_SUFFIX) \
    $(NULL)
endif

# Windows needs this to be linked with a static library.
ifndef MOZ_NATIVE_FFI
DEFINES += -DFFI_BUILDING
endif

endif # JS_HAS_CTYPES

DASH_R		= -r

ifneq (,$(filter WINNT,$(OS_ARCH)))
SDK_LIBRARY = $(IMPORT_LIBRARY)
else
SDK_LIBRARY = $(SHARED_LIBRARY)
endif

EXTRA_DSO_LDOPTS += $(NSPR_LIBS)

# Define keyword generator before rules.mk, see bug 323979 comment 50

GARBAGE += jsautokw.h host_jskwgen$(HOST_BIN_SUFFIX)

GARBAGE += selfhosted.out.h

USE_HOST_CXX = 1

ifdef HAVE_DTRACE
ifneq ($(OS_ARCH),Darwin)
DTRACE_PROBE_OBJ = $(LIBRARY_NAME)-dtrace.$(OBJ_SUFFIX)
endif
MOZILLA_DTRACE_SRC = $(srcdir)/devtools/javascript-trace.d
endif

# Ensure symbol versions of shared library on Linux do not conflict
# with those in libxul.
ifeq (Linux,$(OS_TARGET))
EXTRA_DSO_LDOPTS += -Wl,-version-script,symverscript

symverscript: symverscript.in
	$(call py_action,preprocessor, \
		-DVERSION='$(subst -,_,$(LIBRARY_NAME))' $< -o $@)

EXTRA_DEPS += symverscript
endif

export_files = js-config.h
ifdef HAVE_DTRACE
export_files += $(CURDIR)/javascript-trace.h
endif

INSTALL_TARGETS += jsconfig
jsconfig_FILES = $(export_files)
jsconfig_DEST = $(DIST)/include
jsconfig_TARGET := export

include $(topsrcdir)/config/rules.mk

#############################################
# BEGIN ECMAScript Internationalization API
#

# ICU headers need to be available whether we build with the complete
# Internationalization API or not - ICU stubs rely on them.

LOCAL_INCLUDES += $(MOZ_ICU_CFLAGS)

ifdef ENABLE_INTL_API
ifndef MOZ_NATIVE_ICU

endif
endif

#
# END ECMAScript Internationalization API
#############################################


# check_vanilla_allocations.py is tailored to Linux, so only run it there.
# That should be enough to catch any problems.
check-vanilla-allocations:
	$(PYTHON) $(topsrcdir)/config/check_vanilla_allocations.py $(REAL_LIBRARY)

# The "aggressive" variant will likely fail on some compiler/platform
# combinations, but is worth running by hand every once in a while.
check-vanilla-allocations-aggressive:
	$(PYTHON) $(topsrcdir)/config/check_vanilla_allocations.py --aggressive $(REAL_LIBRARY)

ifeq ($(OS_ARCH),Linux)
check:: check-vanilla-allocations
endif

# Help ensure that the number of OOM errors in SpiderMonkey doesn't increase.
# If the number of OOM errors changes, update the number below. We intend this
# number to go down over time, by fixing OOMs.
check-ooms:
	$(wildcard $(RUN_TEST_PROGRAM)) $(PYTHON) -u $(topsrcdir)/config/find_OOM_errors.py --regression 125

ifeq ($(MOZ_DEBUG),1)
#check:: check-ooms
endif

ifdef MOZ_VALGRIND
ifndef MOZ_ASAN
JITTEST_VALGRIND_FLAG = --valgrind
endif
endif

ifdef MOZ_ASAN
ifneq ($(LLVM_SYMBOLIZER),)
# Use the LLVM symbolizer when running jit-tests under ASan, if available
JITTEST_ASAN_ENV=ASAN_SYMBOLIZER_PATH='$(LLVM_SYMBOLIZER)'
endif
endif

check-style::
	(cd $(srcdir) && $(PYTHON) $(topsrcdir)/config/check_spidermonkey_style.py);

check-jit-test::
	$(JITTEST_ASAN_ENV) $(wildcard $(RUN_TEST_PROGRAM)) $(PYTHON) -u $(srcdir)/jit-test/jit_test.py \
	        --no-slow --no-progress --tinderbox --tbpl $(JITTEST_VALGRIND_FLAG) \
	        $(DIST)/bin/$(JS_SHELL_NAME)$(BIN_SUFFIX)

check:: check-style

# jstests doesn't have a --jitflags option, so we need to loop, updating the
# exit code (RC) after each invocation.
# FIXME: MethodJIT doesn't work for 1 test case (bug 644393), so
# --no-extensions is set to skip that test. Remove as soon as possible.
check-jstests:
	RC=0; \
	for f in `echo '$(JITFLAGS)' | tr ',' '\n'`; \
		do \
			$(wildcard $(RUN_TEST_PROGRAM)) $(PYTHON) -u $(srcdir)/tests/jstests.py \
				--tinderbox --no-progress \
				--no-extensions \
				--timeout 300 \
				--args="`echo $$f | sed 's/\(.\)/ -\1/g'`" \
				$(DIST)/bin/$(JS_SHELL_NAME)$(BIN_SUFFIX); \
			RC=$$(( $$RC || $$?)); \
		done; \
	exit $$RC

# FIXME:
# We want to run check-jstests as part of |make check| on all platforms, on
# tinderbox. However, some configurations don't work quite right just yet.
# Rather than risking regressions in major configurations while fixing these
# secondary configuration, we work around them and fix the bugs later.
#
#   Bug 652154: On Windows, SM(!m !t) don't work because of path problems with
#				their unusual directory layout
#
#   Bug 652155: On Mac, SM(d) doesn't work for unknown reasons

ifneq ($(OS_ARCH),WINNT)
ifndef HAVE_DTRACE
#check:: check-jstests
endif
endif

DIST_GARBAGE = config.cache config.log config.status* \
   config/autoconf.mk config/emptyvars.mk \
   js-config.h js-confdefs.h \
   backend.mk config/backend.mk devtools/backend.mk editline/backend.mk \
   gdb/backend.mk jsapi-tests/backend.mk shell/backend.mk tests/backend.mk \
   backend.RecursiveMakeBackend backend.RecursiveMakeBackend.pp \
   devtools/rootAnalysis/Makefile

distclean::
	$(RM) $(DIST_GARBAGE)

ifneq ($(findstring -L,$(NSPR_LIBS)),)
NSPR_STATIC_PATH = $(subst -L,,$(findstring -L,$(NSPR_LIBS)))
else
NSPR_STATIC_PATH = $(DIST)/lib
endif

# HP-UX does not require the extra linking of "-lm"
ifeq (,$(filter HP-UX WINNT,$(OS_ARCH)))
EXTRA_LIBS	+= -lm
endif

CFLAGS += $(MOZ_ZLIB_CFLAGS)
EXTRA_LIBS += $(MOZ_ZLIB_LIBS)
# Enable zlib usage if zlib has been located. When building the browser on
# Windows, MOZ_ZLIB_LIBS is empty because zlib is part of libmozglue. We thus
# also enable zlib if mozglue is present.
ifneq (,$(MOZ_ZLIB_LIBS)$(MOZ_GLUE_LDFLAGS))
DEFINES += -DUSE_ZLIB
endif

ifdef MOZ_SHARED_ICU
EXTRA_DSO_LDOPTS += $(MOZ_ICU_LIBS)
else
SHARED_LIBRARY_LIBS += $(MOZ_ICU_LIBS)
endif

# Prevent floating point errors caused by VC++ optimizations
ifdef _MSC_VER
# XXX We should add this to CXXFLAGS, too?
CFLAGS += -fp:precise
endif # _MSC_VER

ifeq ($(OS_ARCH),FreeBSD)
EXTRA_LIBS	+= -pthread
endif
ifeq ($(OS_ARCH),Linux)
EXTRA_LIBS	+= -ldl
endif
# Silence warnings on AIX/HP-UX from non-GNU compilers
ifndef GNU_CC
ifeq ($(OS_ARCH),AIX)
# Suppress warnings from xlC
# 1540-1281: offsetof() on null non-POD types
# 1540-1608: anonymous unions using static data members
CFLAGS		+= -qsuppress=1540-1281 -qsuppress=1540-1608
CXXFLAGS	+= -qsuppress=1540-1281 -qsuppress=1540-1608
endif
ifeq ($(OS_ARCH),HP-UX)
# Suppress warnings from aCC
# 3055: anonymous unions declaring types
# 4189: offsetof() on non-POD types
CFLAGS		+= +W3055,4189
CXXFLAGS	+= +W3055,4189
endif
endif
ifeq ($(OS_ARCH),SunOS)
ifeq ($(TARGET_CPU),sparc)

ifdef GNU_CC
CFLAGS   += -mcpu=v9
CXXFLAGS += -mcpu=v9
endif # GNU_CC

endif
EXTRA_LIBS	+= -lposix4 -ldl -lnsl -lsocket
endif

SCRIPTS = $(JS_CONFIG_NAME)
SDK_BINARY = $(JS_CONFIG_NAME)

$(LIBRARY_NAME).pc: js.pc
	cp $^ $@

install:: $(LIBRARY_NAME).pc
	$(SYSINSTALL) $^ $(DESTDIR)$(libdir)/pkgconfig

######################################################
# BEGIN SpiderMonkey header installation
#
# Mozilla/Gecko/Firefox mostly doesn't concern itself with defining a sensible
# install target, because it's shipping primarily packaged builds.  And even if
# it did, those builds wouldn't really have reason to include header files.  So
# we have to install public headers ourselves, rather than using something from
# config/rules.mk or similar.
#
# The overall directory structure of the installed headers looks like so:
#
#   $(includedir)/
#      $(LIBRARY_NAME)/
#        jsapi.h, jspubtd.h, etc. (all of EXPORTS)
#        js/
#          js/public/* headers (all are public)
#        ds/
#          js/src/ds/* public headers
#        gc/
#          js/src/gc/* public headers
#        mozilla/
#          mfbt headers
#

install::
	$(call py_action,process_install_manifest,--no-remove $(DESTDIR)$(includedir) $(DEPTH)/_build_manifests/install/dist_include)

#
# END SpiderMonkey header installation
#############################################

install:: $(SCRIPTS)
	$(SYSINSTALL) $^ $(DESTDIR)$(bindir)

install:: $(REAL_LIBRARY) $(SHARED_LIBRARY) $(IMPORT_LIBRARY)
ifneq (,$(REAL_LIBRARY))
	$(SYSINSTALL) $(REAL_LIBRARY) $(DESTDIR)$(libdir)
	mv -f $(DESTDIR)$(libdir)/$(REAL_LIBRARY) $(subst $(STATIC_LIBRARY_NAME),$(LIBRARY_NAME),$(DESTDIR)$(libdir)/$(REAL_LIBRARY))
endif
ifneq (,$(SHARED_LIBRARY))
	$(SYSINSTALL) $(SHARED_LIBRARY) $(DESTDIR)$(libdir)
endif
ifneq (,$(IMPORT_LIBRARY))
	$(SYSINSTALL) $(IMPORT_LIBRARY) $(DESTDIR)$(libdir)
endif
	$(MAKE) -C shell install

# Use CURDIR to avoid finding a jsautokw.h in the source tree (from a
# previous build?) via VPATH when we're building in a separate tree.
$(CURDIR)/jsautokw.h: host_jskwgen$(HOST_BIN_SUFFIX)
	./host_jskwgen$(HOST_BIN_SUFFIX) $@

# Force auto-header generation before compiling any source that may use them
$(OBJS): $(CURDIR)/jsautokw.h

ifdef MOZ_ETW
ETWProvider.h ETWProvider.rc ETWProvider.mof: ETWProvider.man
	$(MC) -um -mof $^

ETWProvider.res: ETWProvider.rc
	$(RC) -r -i '$(SDKDIR)Include' $^

export:: ETWProvider.res

install:: ETWProvider.mof ETWProvider.man
	$(SYSINSTALL) $^ $(DESTDIR)$(bindir)

endif

ifdef HAVE_DTRACE
$(CURDIR)/javascript-trace.h: $(srcdir)/devtools/javascript-trace.d
	dtrace -h -s $(srcdir)/devtools/javascript-trace.d -o javascript-trace.h.in
	sed -e 's/if _DTRACE_VERSION/ifdef INCLUDE_MOZILLA_DTRACE/' \
	    -e '/const/!s/char \*/const char */g' \
	    javascript-trace.h.in > javascript-trace.h

# We can't automatically generate dependencies on auto-generated headers;
# we have to list them explicitly.
$(addsuffix .$(OBJ_SUFFIX),Probes jsinterp jsobj): $(CURDIR)/javascript-trace.h
endif

# Prepare self-hosted JS code for embedding
export:: selfhosting
selfhosting:: selfhosted.out.h

selfhosting_srcs := \
  $(srcdir)/builtin/Utilities.js \
  $(srcdir)/builtin/ParallelUtilities.js \
  $(srcdir)/builtin/Array.js \
  $(srcdir)/builtin/Date.js \
  $(srcdir)/builtin/Intl.js \
  $(srcdir)/builtin/IntlData.js \
  $(srcdir)/builtin/Iterator.js \
  $(srcdir)/builtin/Map.js \
  $(srcdir)/builtin/Number.js \
  $(srcdir)/builtin/String.js \
  $(srcdir)/builtin/Set.js \
  $(srcdir)/builtin/TypedObject.js \
  $(NULL)

selfhosted_out_h_deps := \
  $(selfhosting_srcs) \
  $(srcdir)/js.msg \
  $(srcdir)/builtin/embedjs.py \
  $(srcdir)/builtin/TypedObjectConstants.h \
  $(srcdir)/builtin/SelfHostingDefines.h \
  $(NULL)

SELFHOSTED_DEFINES += $(DEFINES) $(ACDEFINES)
ifdef MOZ_DEBUG
SELFHOSTED_DEFINES += $(MOZ_DEBUG_ENABLE_DEFS)
else
SELFHOSTED_DEFINES += $(MOZ_DEBUG_DISABLE_DEFS)
endif

selfhosted.out.h: $(selfhosted_out_h_deps)
	$(PYTHON) $(srcdir)/builtin/embedjs.py $(SELFHOSTED_DEFINES) \
	  -p '$(CPP)' -m $(srcdir)/js.msg -o $@ $(selfhosting_srcs)

###############################################
# Generating source package tarballs
# (only possible when tar is found)
ifneq (,$(TAR))

source-package:
	SRCDIR=$(srcdir) \
	DIST=$(DIST) \
	MAKE=$(MAKE) \
	MKDIR=$(MKDIR) \
	TAR=$(TAR) \
	MOZJS_MAJOR_VERSION=$(MOZJS_MAJOR_VERSION) \
	MOZJS_MINOR_VERSION=$(MOZJS_MINOR_VERSION) \
	MOZJS_PATCH_VERSION=$(MOZJS_PATCH_VERSION) \
	MOZJS_ALPHA=$(MOZJS_ALPHA) \
	$(srcdir)/make-source-package.sh

clean::
	DIST=$(DIST) \
	MOZJS_MAJOR_VERSION=$(MOZJS_MAJOR_VERSION) \
	MOZJS_MINOR_VERSION=$(MOZJS_MINOR_VERSION) \
	MOZJS_PATCH_VERSION=$(MOZJS_PATCH_VERSION) \
	MOZJS_ALPHA=$(MOZJS_ALPHA) \
	$(srcdir)/make-source-package.sh clean

endif