Bug 522770: Link directly to object files instead of intermediate static libs. Patch originally written by Ted Mielczarek. Checking into a CLOSED TREE as a bustage fix. reviews pending.

--HG-- extra : rebase_source : 54a506a5815dcdedaf3f61ad7d6bdd0529d7f5f7
2024-09-13 09:24:08 -07:00 · 2010-08-01 01:48:21 -07:00 · 2010-08-01 01:48:21 -07:00 · 932ea79b49
commit 932ea79b49
parent 75c953b8c4
17 changed files with 174 additions and 50 deletions
--- a/accessible/src/Makefile.in
+++ b/accessible/src/Makefile.in
@ -75,4 +75,4 @@ endif
 include $(topsrcdir)/config/rules.mk

 libs::
-	$(INSTALL) $(PLATFORM_DIR)/$(LIB_PREFIX)accessibility_toolkit_s.$(LIB_SUFFIX) .
+	$(INSTALL) $(PLATFORM_DIR)/$(LIB_PREFIX)accessibility_toolkit_s.$(LIB_SUFFIX) $(wildcard $(PLATFORM_DIR)/$(LIB_PREFIX)accessibility_toolkit_s.$(LIB_SUFFIX).fake) .
--- a/config/config.mk
+++ b/config/config.mk
@ -80,6 +80,11 @@ $(foreach x,$(CHECK_VARS),$(check-variable))

 core_abspath = $(if $(findstring :,$(1)),$(1),$(if $(filter /%,$(1)),$(1),$(CURDIR)/$(1)))

+nullstr :=
+space :=$(nullstr) # EOL
+
+core_winabspath = $(firstword $(subst /, ,$(call core_abspath,$(1)))):$(subst $(space),,$(patsubst %,\\%,$(wordlist 2,$(words $(subst /, ,$(call core_abspath,$(1)))), $(strip $(subst /, ,$(call core_abspath,$(1)))))))
+
 # FINAL_TARGET specifies the location into which we copy end-user-shipped
 # build products (typelibs, components, chrome).
 #
@ -318,6 +323,12 @@ STATIC_LIBRARY_NAME=$(LIBRARY_NAME)
 endif
 endif

+# GNU make on Windows can't handle using fake libs, because the path
+# munging gets confused when we pass response files like @file to the linker.
+#ifneq (WINNT_,$(OS_ARCH)_$(.PYMAKE))
+MOZ_FAKELIBS = 1
+#endif
+
 # This comes from configure
 ifdef MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE
 NO_PROFILE_GUIDED_OPTIMIZE = 1
@ -719,7 +730,7 @@ DEFINES		+= -DOSARCH=$(OS_ARCH)

 ######################################################################

-GARBAGE		+= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB
+GARBAGE		+= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB $(FAKE_LIBRARY)

 ifeq ($(OS_ARCH),Darwin)
 ifndef NSDISTMODE
--- a/config/rules.mk
+++ b/config/rules.mk
@ -121,6 +121,21 @@ EXPAND_LIBNAME_PATH = -L$(2) $(addprefix -l,$(1))
 EXPAND_MOZLIBNAME = $(addprefix -l,$(1))
 endif

+ifdef MOZ_FAKELIBS
+# If a lib.fake is present, replace it with @lib.fake, otherwise just pass
+# the library name through unchanged.
+EXPAND_FAKELIBS = $(foreach f,$(1),$(if $(wildcard $(f).fake),@$(wildcard $(f).fake),$(f)))
+
+# Also override EXPAND_LIBNAME_PATH and EXPAND_MOZLIBNAME on non-RELATIVE_PATH
+# platforms, so we can shortcut linking -lfoo if we have foo.a.fake
+ifndef _LIBNAME_RELATIVE_PATHS
+EXPAND_LIBNAME_PATH = $(if $(wildcard $(2)/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake),@$(2)/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake,-L$(2) $(addprefix -l,$(1)))
+EXPAND_MOZLIBNAME = $(if $(wildcard $(DIST)/lib/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake),@$(DIST)/lib/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake,$(addprefix -l,$(1)))
+endif
+else
+EXPAND_FAKELIBS = $1
+endif
+
 ifdef EXTRA_DSO_LIBS
 EXTRA_DSO_LIBS	:= $(call EXPAND_MOZLIBNAME,$(EXTRA_DSO_LIBS))
 endif
@ -235,6 +250,11 @@ endif # ENABLE_TESTS
 ifndef LIBRARY
 ifdef STATIC_LIBRARY_NAME
 LIBRARY			:= $(LIB_PREFIX)$(STATIC_LIBRARY_NAME).$(LIB_SUFFIX)
+ifdef MOZ_FAKELIBS
+ifndef SUPPRESS_FAKELIB
+FAKE_LIBRARY = $(LIBRARY).fake
+endif # SUPPRESS_FAKELIB
+endif # MOZ_FAKELIBS
 endif # STATIC_LIBRARY_NAME
 endif # LIBRARY

@ -543,7 +563,7 @@ endif
 #
 ifndef NO_LD_ARCHIVE_FLAGS
 ifdef SHARED_LIBRARY_LIBS
-EXTRA_DSO_LDOPTS := $(MKSHLIB_FORCE_ALL) $(SHARED_LIBRARY_LIBS) $(MKSHLIB_UNFORCE_ALL) $(EXTRA_DSO_LDOPTS)
+EXTRA_DSO_LDOPTS := $(MKSHLIB_FORCE_ALL) $(call EXPAND_FAKELIBS,$(SHARED_LIBRARY_LIBS)) $(MKSHLIB_UNFORCE_ALL) $(EXTRA_DSO_LDOPTS)
 endif
 endif

@ -870,16 +890,16 @@ ifndef NO_DIST_INSTALL
 ifdef LIBRARY
 ifdef EXPORT_LIBRARY # Stage libs that will be linked into a static build
 ifdef IS_COMPONENT
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DEPTH)/staticlib/components
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DEPTH)/staticlib/components
 else
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DEPTH)/staticlib
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DEPTH)/staticlib
 endif
 endif # EXPORT_LIBRARY
 ifdef DIST_INSTALL
 ifdef IS_COMPONENT
 	$(error Shipping static component libs makes no sense.)
 else
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DIST)/lib
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DIST)/lib
 endif
 endif # DIST_INSTALL
 endif # LIBRARY
@ -998,10 +1018,10 @@ alltags:
 $(PROGRAM): $(PROGOBJS) $(LIBS_DEPS) $(EXTRA_DEPS) $(EXE_DEF_FILE) $(RESFILE) $(GLOBAL_DEPS)
 	@rm -f $@.manifest
 ifeq (WINCE,$(OS_ARCH))
-	$(LD) -NOLOGO -OUT:$@ $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -NOLOGO -OUT:$@ $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 else
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
-	$(LD) -NOLOGO -OUT:$@ -PDB:$(LINK_PDBFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -NOLOGO -OUT:$@ -PDB:$(LINK_PDBFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		if test -f "$(srcdir)/$@.manifest"; then \
@ -1023,9 +1043,9 @@ ifdef MOZ_PROFILE_GENERATE
 endif
 else # !WINNT || GNU_CC
 ifeq ($(CPP_PROG_LINK),1)
-	$(CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(WRAP_MALLOC_LIB) $(EXE_DEF_FILE)
+	$(CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS)) $(BIN_FLAGS) $(call EXPAND_FAKELIBS,$(WRAP_MALLOC_LIB)) $(EXE_DEF_FILE)
 else # ! CPP_PROG_LINK
-	$(CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(EXE_DEF_FILE)
+	$(CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS)) $(BIN_FLAGS) $(EXE_DEF_FILE)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
@ -1082,10 +1102,10 @@ endif
 #
 $(SIMPLE_PROGRAMS): %$(BIN_SUFFIX): %.$(OBJ_SUFFIX) $(LIBS_DEPS) $(EXTRA_DEPS) $(GLOBAL_DEPS)
 ifeq (WINCE,$(OS_ARCH))
-	$(LD) -nologo  -entry:mainACRTStartup -out:$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -nologo  -entry:mainACRTStartup -out:$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 else
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
-	$(LD) -nologo -out:$@ -pdb:$(LINK_PDBFILE) $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -nologo -out:$@ -pdb:$(LINK_PDBFILE) $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;1; \
@ -1094,9 +1114,9 @@ ifdef MSMANIFEST_TOOL
 endif	# MSVC with manifest tool
 else
 ifeq ($(CPP_PROG_LINK),1)
-	$(CCC) $(WRAP_MALLOC_CFLAGS) $(CXXFLAGS) -o $@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
+	$(CCC) $(WRAP_MALLOC_CFLAGS) $(CXXFLAGS) -o $@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB)) $(BIN_FLAGS)
 else
-	$(CC) $(WRAP_MALLOC_CFLAGS) $(CFLAGS) $(OUTOPTION)$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB) $(BIN_FLAGS)
+	$(CC) $(WRAP_MALLOC_CFLAGS) $(CFLAGS) $(OUTOPTION)$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(WRAP_MALLOC_LIB)) $(BIN_FLAGS)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
@ -1158,6 +1178,17 @@ ifneq (,$(BUILD_STATIC_LIBS)$(FORCE_STATIC_LIB))
 LOBJS	+= $(SHARED_LIBRARY_LIBS)
 endif
 else
+NONFAKE_SHARED_LIBRARY_LIBS = $(filter-out %.fake,$(call EXPAND_FAKELIBS,$(SHARED_LIBRARY_LIBS)))
+ifeq (,$(NONFAKE_SHARED_LIBRARY_LIBS))
+# All of our SHARED_LIBRARY_LIBS have fake equivalents. Score!
+# Just pass the original object files around.
+# For shared libraries, these are already included in EXTRA_DSO_LDOPTS
+# above.
+ifndef SHARED_LIBRARY
+LOBJS += $(shell cat $(addsuffix .fake,$(SHARED_LIBRARY_LIBS)))
+endif
+SKIP_SUB_LOBJS := 1
+else
 ifneq (,$(filter OSF1 BSD_OS FreeBSD NetBSD OpenBSD SunOS Darwin,$(OS_ARCH)))
 CLEANUP1	:= | egrep -v '(________64ELEL_|__.SYMDEF)'
 CLEANUP2	:= rm -f ________64ELEL_ __.SYMDEF
@ -1165,7 +1196,8 @@ else
 CLEANUP2	:= true
 endif
 SUB_LOBJS	= $(shell for lib in $(SHARED_LIBRARY_LIBS); do $(AR_LIST) $${lib} $(CLEANUP1); done;)
-endif
+endif # EXPAND_FAKELIBS
+endif # SHARED_LIBARY_LIBS
 endif
 ifdef MOZILLA_PROBE_LIBS
 PROBE_LOBJS	= $(shell for lib in $(MOZILLA_PROBE_LIBS); do $(AR_LIST) $${lib} $(CLEANUP1); done;)
@ -1176,15 +1208,33 @@ endif

 $(LIBRARY): $(OBJS) $(LOBJS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DEPS) $(GLOBAL_DEPS)
 	rm -f $@
+ifndef SKIP_SUB_LOBJS
 ifneq (,$(GNU_LD)$(filter-out OS2 WINNT WINCE, $(OS_ARCH)))
 ifdef SHARED_LIBRARY_LIBS
 	@rm -f $(SUB_LOBJS)
 	@for lib in $(SHARED_LIBRARY_LIBS); do $(AR_EXTRACT) $${lib}; $(CLEANUP2); done
 endif
 endif
+endif # SKIP_SUB_LOBJS
 	$(AR) $(AR_FLAGS) $(OBJS) $(LOBJS) $(SUB_LOBJS)
 	$(RANLIB) $@
+ifndef MOZ_FAKELIBS
+# Don't clean these up if we're building a fake lib, because then
+# we'll reference nonexistent object files in our fake lib.
 	@rm -f foodummyfilefoo $(SUB_LOBJS)
+endif
+# Also produce a .fake file that just contains the names of the object files.
+# This can be used as a response file to the linker later instead of
+# linking the actual static library.
+ifdef MOZ_FAKELIBS
+ifndef SUPPRESS_FAKELIB
+ifeq (WINNT_,$(OS_ARCH)_$(.PYMAKE))
+	echo "$(strip $(foreach f,$(OBJS) $(SEPARATE_OBJS) $(LOBJS) $(SUB_LOBJS),$(subst \,\\,$(call core_winabspath,$(f))))) " > $@.fake
+else
+	echo "$(strip $(foreach f,$(OBJS) $(SEPARATE_OBJS) $(LOBJS) $(SUB_LOBJS),$(call core_abspath,$(f)))) " > $@.fake
+endif
+endif
+endif

 ifeq (,$(filter-out WINNT WINCE, $(OS_ARCH)))
 $(IMPORT_LIBRARY): $(SHARED_LIBRARY)
@ -1295,7 +1345,7 @@ endif
 		ofiles=`$(AR_LIST) $${lib}`; \
 		$(AR_DELETE) $${lib} $$ofiles; \
 	done
-	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(PROBE_LOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
+	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(PROBE_LOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(call EXPAND_FAKELIBS,$(OS_LIBS) $(EXTRA_LIBS)) $(DEF_FILE) $(SHLIB_LDENDFILE)
 	@rm -f $(PROBE_LOBJS)
 	@rm -f $(DTRACE_PROBE_OBJ)
 	@for lib in $(MOZILLA_PROBE_LIBS); do \
@ -1304,7 +1354,7 @@ endif
 	@rm -f $(MOZILLA_PROBE_LIBS)

 else # ! DTRACE_LIB_DEPENDENT
-	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
+	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(call EXPAND_FAKELIBS,$(OS_LIBS) $(EXTRA_LIBS)) $(DEF_FILE) $(SHLIB_LDENDFILE)
 endif # DTRACE_LIB_DEPENDENT

 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
--- a/configure.in
+++ b/configure.in
@ -8388,14 +8388,9 @@ if test "$MOZ_TREE_CAIRO"; then
    AC_SUBST(PNG_FUNCTIONS_FEATURE)
    AC_SUBST(QT_SURFACE_FEATURE)

-    if test "$_WIN32_MSVC"; then
-        MOZ_CAIRO_LIBS='$(DEPTH)/gfx/cairo/cairo/src/mozcairo.lib $(DEPTH)/gfx/cairo/libpixman/src/mozlibpixman.lib'
-    else
-        MOZ_CAIRO_LIBS='$(DEPTH)/gfx/cairo/cairo/src/$(LIB_PREFIX)mozcairo.$(LIB_SUFFIX) $(DEPTH)/gfx/cairo/libpixman/src/$(LIB_PREFIX)mozlibpixman.$(LIB_SUFFIX)'" $CAIRO_FT_LIBS"
-
-        if test "$MOZ_X11"; then
-            MOZ_CAIRO_LIBS="$MOZ_CAIRO_LIBS $XLDFLAGS -lXrender -lfreetype -lfontconfig"
-        fi
+    MOZ_CAIRO_LIBS='$(call EXPAND_LIBNAME_PATH,mozcairo,$(DEPTH)/gfx/cairo/cairo/src) $(call EXPAND_LIBNAME_PATH,mozlibpixman,$(DEPTH)/gfx/cairo/libpixman/src)' $CAIRO_FT_LIBS
+    if test "$MOZ_X11"; then
+        MOZ_CAIRO_LIBS="$MOZ_CAIRO_LIBS $XLDFLAGS -lXrender -lfreetype -lfontconfig"
    fi

    CAIRO_FEATURES_H=gfx/cairo/cairo/src/cairo-features.h
@ -8420,7 +8415,7 @@ dnl ========================================================
 dnl qcms
 dnl ========================================================

-QCMS_LIBS='$(DEPTH)/gfx/qcms/$(LIB_PREFIX)mozqcms.$(LIB_SUFFIX)'
+QCMS_LIBS='$(call EXPAND_LIBNAME_PATH,mozqcms,$(DEPTH)/gfx/qcms)'
 AC_SUBST(QCMS_LIBS)

 dnl ========================================================
--- a/embedding/components/printingui/src/Makefile.in
+++ b/embedding/components/printingui/src/Makefile.in
@ -63,4 +63,4 @@ DIRS = $(PLATFORM_DIR)
 include $(topsrcdir)/config/rules.mk

 libs::
-	$(INSTALL) $(PLATFORM_DIR)/$(LIB_PREFIX)printingui_s.$(LIB_SUFFIX) .
+	$(INSTALL) $(PLATFORM_DIR)/$(LIB_PREFIX)printingui_s.$(LIB_SUFFIX) $(wildcard $(PLATFORM_DIR)/$(LIB_PREFIX)printingui_s.$(LIB_SUFFIX).fake) .
--- a/gfx/cairo/cairo/src/Makefile.in
+++ b/gfx/cairo/cairo/src/Makefile.in
@ -49,6 +49,7 @@ endif

 MODULE          = cairo
 LIBRARY_NAME    = mozcairo
+SUPPRESS_FAKELIB = 1 # cairo isn't awesome enough for fakelibs yet
 LIBXUL_LIBRARY = 1

 ifdef GNU_CC
--- a/ipc/chromium/Makefile.in
+++ b/ipc/chromium/Makefile.in
@ -44,6 +44,7 @@ include $(DEPTH)/config/autoconf.mk
 OS_CXXFLAGS := $(filter-out -fshort-wchar,$(OS_CXXFLAGS))

 LIBRARY_NAME = chromium_s
+SUPPRESS_FAKELIB = 1 # Chromium is not ready for the awesomeness of fakelibs
 FORCE_STATIC_LIB = 1
 LIBXUL_LIBRARY = 1
 EXPORT_LIBRARY = 1
--- a/js/src/config/config.mk
+++ b/js/src/config/config.mk
@ -80,6 +80,11 @@ $(foreach x,$(CHECK_VARS),$(check-variable))

 core_abspath = $(if $(findstring :,$(1)),$(1),$(if $(filter /%,$(1)),$(1),$(CURDIR)/$(1)))

+nullstr :=
+space :=$(nullstr) # EOL
+
+core_winabspath = $(firstword $(subst /, ,$(call core_abspath,$(1)))):$(subst $(space),,$(patsubst %,\\%,$(wordlist 2,$(words $(subst /, ,$(call core_abspath,$(1)))), $(strip $(subst /, ,$(call core_abspath,$(1)))))))
+
 # FINAL_TARGET specifies the location into which we copy end-user-shipped
 # build products (typelibs, components, chrome).
 #
@ -318,6 +323,12 @@ STATIC_LIBRARY_NAME=$(LIBRARY_NAME)
 endif
 endif

+# GNU make on Windows can't handle using fake libs, because the path
+# munging gets confused when we pass response files like @file to the linker.
+#ifneq (WINNT_,$(OS_ARCH)_$(.PYMAKE))
+MOZ_FAKELIBS = 1
+#endif
+
 # This comes from configure
 ifdef MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE
 NO_PROFILE_GUIDED_OPTIMIZE = 1
@ -719,7 +730,7 @@ DEFINES		+= -DOSARCH=$(OS_ARCH)

 ######################################################################

-GARBAGE		+= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB
+GARBAGE		+= $(DEPENDENCIES) $(MKDEPENDENCIES) $(MKDEPENDENCIES).bak core $(wildcard core.[0-9]*) $(wildcard *.err) $(wildcard *.pure) $(wildcard *_pure_*.o) Templates.DB $(FAKE_LIBRARY)

 ifeq ($(OS_ARCH),Darwin)
 ifndef NSDISTMODE
@ -827,3 +838,7 @@ ifdef TIERS
 DIRS += $(foreach tier,$(TIERS),$(tier_$(tier)_dirs))
 STATIC_DIRS += $(foreach tier,$(TIERS),$(tier_$(tier)_staticdirs))
 endif
+
+ifdef BUILD_STATIC_LIBS
+include $(topsrcdir)/config/static-config.mk
+endif
--- a/js/src/config/rules.mk
+++ b/js/src/config/rules.mk
@ -121,6 +121,21 @@ EXPAND_LIBNAME_PATH = -L$(2) $(addprefix -l,$(1))
 EXPAND_MOZLIBNAME = $(addprefix -l,$(1))
 endif

+ifdef MOZ_FAKELIBS
+# If a lib.fake is present, replace it with @lib.fake, otherwise just pass
+# the library name through unchanged.
+EXPAND_FAKELIBS = $(foreach f,$(1),$(if $(wildcard $(f).fake),@$(wildcard $(f).fake),$(f)))
+
+# Also override EXPAND_LIBNAME_PATH and EXPAND_MOZLIBNAME on non-RELATIVE_PATH
+# platforms, so we can shortcut linking -lfoo if we have foo.a.fake
+ifndef _LIBNAME_RELATIVE_PATHS
+EXPAND_LIBNAME_PATH = $(if $(wildcard $(2)/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake),@$(2)/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake,-L$(2) $(addprefix -l,$(1)))
+EXPAND_MOZLIBNAME = $(if $(wildcard $(DIST)/lib/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake),@$(DIST)/lib/$(LIB_PREFIX)$(1).$(LIB_SUFFIX).fake,$(addprefix -l,$(1)))
+endif
+else
+EXPAND_FAKELIBS = $1
+endif
+
 ifdef EXTRA_DSO_LIBS
 EXTRA_DSO_LIBS	:= $(call EXPAND_MOZLIBNAME,$(EXTRA_DSO_LIBS))
 endif
@ -201,6 +216,7 @@ check-one:

 endif # XPCSHELL_TESTS

+ifndef BUILD_STATIC_LIBS
 ifdef CPP_UNIT_TESTS

 # Compile the tests to $(DIST)/bin.  Make lots of niceties available by default
@ -219,6 +235,7 @@ check::
 	  done

 endif # CPP_UNIT_TESTS
+endif # !BUILD_STATIC_LIBS

 .PHONY: check xpcshell-tests check-interactive check-one

@ -235,6 +252,11 @@ endif # ENABLE_TESTS
 ifndef LIBRARY
 ifdef STATIC_LIBRARY_NAME
 LIBRARY			:= $(LIB_PREFIX)$(STATIC_LIBRARY_NAME).$(LIB_SUFFIX)
+ifdef MOZ_FAKELIBS
+ifndef SUPPRESS_FAKELIB
+FAKE_LIBRARY = $(LIBRARY).fake
+endif # SUPPRESS_FAKELIB
+endif # MOZ_FAKELIBS
 endif # STATIC_LIBRARY_NAME
 endif # LIBRARY

@ -543,7 +565,7 @@ endif
 #
 ifndef NO_LD_ARCHIVE_FLAGS
 ifdef SHARED_LIBRARY_LIBS
-EXTRA_DSO_LDOPTS := $(MKSHLIB_FORCE_ALL) $(SHARED_LIBRARY_LIBS) $(MKSHLIB_UNFORCE_ALL) $(EXTRA_DSO_LDOPTS)
+EXTRA_DSO_LDOPTS := $(MKSHLIB_FORCE_ALL) $(call EXPAND_FAKELIBS,$(SHARED_LIBRARY_LIBS)) $(MKSHLIB_UNFORCE_ALL) $(EXTRA_DSO_LDOPTS)
 endif
 endif

@ -870,16 +892,16 @@ ifndef NO_DIST_INSTALL
 ifdef LIBRARY
 ifdef EXPORT_LIBRARY # Stage libs that will be linked into a static build
 ifdef IS_COMPONENT
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DEPTH)/staticlib/components
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DEPTH)/staticlib/components
 else
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DEPTH)/staticlib
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DEPTH)/staticlib
 endif
 endif # EXPORT_LIBRARY
 ifdef DIST_INSTALL
 ifdef IS_COMPONENT
 	$(error Shipping static component libs makes no sense.)
 else
-	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(DIST)/lib
+	$(INSTALL) $(IFLAGS1) $(LIBRARY) $(FAKE_LIBRARY) $(DIST)/lib
 endif
 endif # DIST_INSTALL
 endif # LIBRARY
@ -998,10 +1020,10 @@ alltags:
 $(PROGRAM): $(PROGOBJS) $(LIBS_DEPS) $(EXTRA_DEPS) $(EXE_DEF_FILE) $(RESFILE) $(GLOBAL_DEPS)
 	@rm -f $@.manifest
 ifeq (WINCE,$(OS_ARCH))
-	$(LD) -NOLOGO -OUT:$@ $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -NOLOGO -OUT:$@ $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 else
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
-	$(LD) -NOLOGO -OUT:$@ -PDB:$(LINK_PDBFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -NOLOGO -OUT:$@ -PDB:$(LINK_PDBFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(PROGOBJS) $(RESFILE) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		if test -f "$(srcdir)/$@.manifest"; then \
@ -1023,9 +1045,9 @@ ifdef MOZ_PROFILE_GENERATE
 endif
 else # !WINNT || GNU_CC
 ifeq ($(CPP_PROG_LINK),1)
-	$(CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(WRAP_MALLOC_LIB) $(EXE_DEF_FILE)
+	$(CCC) -o $@ $(CXXFLAGS) $(WRAP_MALLOC_CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS)) $(BIN_FLAGS) $(call EXPAND_FAKELIBS,$(WRAP_MALLOC_LIB)) $(EXE_DEF_FILE)
 else # ! CPP_PROG_LINK
-	$(CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(LIBS) $(OS_LIBS) $(EXTRA_LIBS) $(BIN_FLAGS) $(EXE_DEF_FILE)
+	$(CC) -o $@ $(CFLAGS) $(PROGOBJS) $(RESFILE) $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS_DIR) $(call EXPAND_FAKELIBS,$(LIBS) $(OS_LIBS) $(EXTRA_LIBS)) $(BIN_FLAGS) $(EXE_DEF_FILE)
 endif # CPP_PROG_LINK
 endif # WINNT && !GNU_CC
 endif # WINCE
@ -1082,10 +1104,10 @@ endif
 #
 $(SIMPLE_PROGRAMS): %$(BIN_SUFFIX): %.$(OBJ_SUFFIX) $(LIBS_DEPS) $(EXTRA_DEPS) $(GLOBAL_DEPS)
 ifeq (WINCE,$(OS_ARCH))
-	$(LD) -nologo  -entry:mainACRTStartup -out:$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -nologo  -entry:mainACRTStartup -out:$@ $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 else
 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
-	$(LD) -nologo -out:$@ -pdb:$(LINK_PDBFILE) $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(LIBS) $(EXTRA_LIBS) $(OS_LIBS)
+	$(LD) -nologo -out:$@ -pdb:$(LINK_PDBFILE) $< $(WIN32_EXE_LDFLAGS) $(LDFLAGS) $(call EXPAND_FAKELIBS,$(LIBS) $(EXTRA_LIBS) $(OS_LIBS))
 ifdef MSMANIFEST_TOOL
 	@if test -f $@.manifest; then \
 		mt.exe -NOLOGO -MANIFEST $@.manifest -OUTPUTRESOURCE:$@\;1; \
@ -1158,6 +1180,17 @@ ifneq (,$(BUILD_STATIC_LIBS)$(FORCE_STATIC_LIB))
 LOBJS	+= $(SHARED_LIBRARY_LIBS)
 endif
 else
+NONFAKE_SHARED_LIBRARY_LIBS = $(filter-out %.fake,$(call EXPAND_FAKELIBS,$(SHARED_LIBRARY_LIBS)))
+ifeq (,$(NONFAKE_SHARED_LIBRARY_LIBS))
+# All of our SHARED_LIBRARY_LIBS have fake equivalents. Score!
+# Just pass the original object files around.
+# For shared libraries, these are already included in EXTRA_DSO_LDOPTS
+# above.
+ifndef SHARED_LIBRARY
+LOBJS += $(shell cat $(addsuffix .fake,$(SHARED_LIBRARY_LIBS)))
+endif
+SKIP_SUB_LOBJS := 1
+else
 ifneq (,$(filter OSF1 BSD_OS FreeBSD NetBSD OpenBSD SunOS Darwin,$(OS_ARCH)))
 CLEANUP1	:= | egrep -v '(________64ELEL_|__.SYMDEF)'
 CLEANUP2	:= rm -f ________64ELEL_ __.SYMDEF
@ -1165,7 +1198,8 @@ else
 CLEANUP2	:= true
 endif
 SUB_LOBJS	= $(shell for lib in $(SHARED_LIBRARY_LIBS); do $(AR_LIST) $${lib} $(CLEANUP1); done;)
-endif
+endif # EXPAND_FAKELIBS
+endif # SHARED_LIBARY_LIBS
 endif
 ifdef MOZILLA_PROBE_LIBS
 PROBE_LOBJS	= $(shell for lib in $(MOZILLA_PROBE_LIBS); do $(AR_LIST) $${lib} $(CLEANUP1); done;)
@ -1176,15 +1210,33 @@ endif

 $(LIBRARY): $(OBJS) $(LOBJS) $(SHARED_LIBRARY_LIBS) $(EXTRA_DEPS) $(GLOBAL_DEPS)
 	rm -f $@
+ifndef SKIP_SUB_LOBJS
 ifneq (,$(GNU_LD)$(filter-out OS2 WINNT WINCE, $(OS_ARCH)))
 ifdef SHARED_LIBRARY_LIBS
 	@rm -f $(SUB_LOBJS)
 	@for lib in $(SHARED_LIBRARY_LIBS); do $(AR_EXTRACT) $${lib}; $(CLEANUP2); done
 endif
 endif
+endif # SKIP_SUB_LOBJS
 	$(AR) $(AR_FLAGS) $(OBJS) $(LOBJS) $(SUB_LOBJS)
 	$(RANLIB) $@
+ifndef MOZ_FAKELIBS
+# Don't clean these up if we're building a fake lib, because then
+# we'll reference nonexistent object files in our fake lib.
 	@rm -f foodummyfilefoo $(SUB_LOBJS)
+endif
+# Also produce a .fake file that just contains the names of the object files.
+# This can be used as a response file to the linker later instead of
+# linking the actual static library.
+ifdef MOZ_FAKELIBS
+ifndef SUPPRESS_FAKELIB
+ifeq (WINNT_,$(OS_ARCH)_$(.PYMAKE))
+	echo "$(strip $(foreach f,$(OBJS) $(SEPARATE_OBJS) $(LOBJS) $(SUB_LOBJS),$(subst \,\\,$(call core_winabspath,$(f))))) " > $@.fake
+else
+	echo "$(strip $(foreach f,$(OBJS) $(SEPARATE_OBJS) $(LOBJS) $(SUB_LOBJS),$(call core_abspath,$(f)))) " > $@.fake
+endif
+endif
+endif

 ifeq (,$(filter-out WINNT WINCE, $(OS_ARCH)))
 $(IMPORT_LIBRARY): $(SHARED_LIBRARY)
@ -1295,7 +1347,7 @@ endif
 		ofiles=`$(AR_LIST) $${lib}`; \
 		$(AR_DELETE) $${lib} $$ofiles; \
 	done
-	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(PROBE_LOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
+	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(LOBJS) $(SUB_SHLOBJS) $(DTRACE_PROBE_OBJ) $(PROBE_LOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(call EXPAND_FAKELIBS,$(OS_LIBS) $(EXTRA_LIBS)) $(DEF_FILE) $(SHLIB_LDENDFILE)
 	@rm -f $(PROBE_LOBJS)
 	@rm -f $(DTRACE_PROBE_OBJ)
 	@for lib in $(MOZILLA_PROBE_LIBS); do \
@ -1304,7 +1356,7 @@ endif
 	@rm -f $(MOZILLA_PROBE_LIBS)

 else # ! DTRACE_LIB_DEPENDENT
-	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(OS_LIBS) $(EXTRA_LIBS) $(DEF_FILE) $(SHLIB_LDENDFILE)
+	$(MKSHLIB) $(SHLIB_LDSTARTFILE) $(OBJS) $(DTRACE_PROBE_OBJ) $(LOBJS) $(SUB_SHLOBJS) $(RESFILE) $(LDFLAGS) $(EXTRA_DSO_LDOPTS) $(call EXPAND_FAKELIBS,$(OS_LIBS) $(EXTRA_LIBS)) $(DEF_FILE) $(SHLIB_LDENDFILE)
 endif # DTRACE_LIB_DEPENDENT

 ifeq (_WINNT,$(GNU_CC)_$(OS_ARCH))
--- a/storage/test/Makefile.in
+++ b/storage/test/Makefile.in
@ -75,7 +75,6 @@ LOCAL_INCLUDES = \

 LIBS = \
 	$(LIBS_DIR) \
-	$(LIBXUL_DIST)/lib/$(LIB_PREFIX)xpcomglue_s.$(LIB_SUFFIX) \
 	$(MOZ_COMPONENT_LIBS) \
 	$(SQLITE_LIBS) \
 	$(NULL)
--- a/toolkit/components/url-classifier/src/Makefile.in
+++ b/toolkit/components/url-classifier/src/Makefile.in
@ -7,6 +7,7 @@ include $(DEPTH)/config/autoconf.mk

 MODULE = url-classifier
 LIBRARY_NAME = urlclassifier_s
+SUPPRESS_FAKELIB = 1 # The urlclassifier test chokes on fakelibs
 XPIDL_MODULE = url-classifier
 LIBXUL_LIBRARY = 1
 FORCE_STATIC_LIB = 1
--- a/xpcom/glue/Makefile.in
+++ b/xpcom/glue/Makefile.in
@ -49,6 +49,7 @@ DIRS            = standalone

 MODULE		= xpcom
 LIBRARY_NAME	= xpcomglue_s
+SUPPRESS_FAKELIB = 1
 DIST_INSTALL	= 1


--- a/xpcom/glue/standalone/Makefile.in
+++ b/xpcom/glue/standalone/Makefile.in
@ -47,6 +47,7 @@ EXTRA_DEPS += $(srcdir)/../objs.mk

 MODULE		= xpcom
 LIBRARY_NAME	= xpcomglue
+SUPPRESS_FAKELIB = 1
 DIST_INSTALL	= 1


--- a/xpcom/reflect/xptcall/src/md/os2/Makefile.in
+++ b/xpcom/reflect/xptcall/src/md/os2/Makefile.in
@ -71,4 +71,4 @@ DEFINES		+= -DEXPORT_XPTC_API
 LOCAL_INCLUDES	+= -I$(srcdir)/../..

 libs:: $(LIBRARY)
-	$(INSTALL) $(LIBRARY) ../..
+	$(INSTALL) $(LIBRARY) $(FAKE_LIBRARY) ../..
--- a/xpcom/reflect/xptcall/src/md/unix/Makefile.in
+++ b/xpcom/reflect/xptcall/src/md/unix/Makefile.in
@ -544,7 +544,8 @@ ifndef GNU_CC
 ifeq (x86_64,$(OS_TEST))
 xptcstubs_asm_x86_64_solaris_SUNW.o: $(DIST)/include/xptcstubsdef.inc $(srcdir)/xptcstubs_asm_x86_64_solaris_SUNW.s
 	sed \
-	  -e 's/^\(STUB_ENTRY\)(\([0-9]\))/\11\(\2\)/' \
+	  -e 's/^\(STUB_ENTRY\)(\([0
+-9]\))/\11\(\2\)/' \
 	  -e 's/^\(STUB_ENTRY\)(\([0-9][0-9]\))/\12\(\2\)/' \
 	  -e 's/^\(STUB_ENTRY\)(\([0-9][0-9][0-9]\))/\13\(\2\)/' \
 	$(DIST)/include/xptcstubsdef.inc > ./xptcstubsdef_asm.solx86
@ -564,4 +565,4 @@ endif
 endif

 libs:: $(LIBRARY)
-	$(INSTALL) $(LIBRARY) ../..
+	$(INSTALL) $(LIBRARY) $(FAKE_LIBRARY) ../..
--- a/xpcom/reflect/xptcall/src/md/win32/Makefile.in
+++ b/xpcom/reflect/xptcall/src/md/win32/Makefile.in
@ -109,4 +109,4 @@ DEFINES		+= -DEXPORT_XPTC_API -D_IMPL_NS_COM
 LOCAL_INCLUDES	+= -I$(srcdir)/../..

 libs:: $(LIBRARY)
-	$(INSTALL) $(LIBRARY) ../..
+	$(INSTALL) $(LIBRARY) $(FAKE_LIBRARY) ../..
--- a/xpcom/tests/Makefile.in
+++ b/xpcom/tests/Makefile.in
@ -147,10 +147,6 @@ endif

 include $(topsrcdir)/config/config.mk

-ifndef MOZILLA_INTERNAL_API
-LIBS +=	$(DIST)/lib/$(LIB_PREFIX)xpcomglue_s.$(LIB_SUFFIX)
-endif
-
 LIBS += $(XPCOM_LIBS)

 # Needed to resolve __yylex (?)