X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=Makefile.rules;h=ed8fe04d5357c6915a2df09a8aa28b1f60dbe39e;hb=170f06ebe2e80ce8bda87425081541493056fb10;hp=f4a1bc95db1afc1f5fb065ed563f37f46e082c48;hpb=b16b53b181939fa6112498a00005d1df40d6de86;p=oota-llvm.git

diff --git a/Makefile.rules b/Makefile.rules
index f4a1bc95db1..ed8fe04d535 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -388,7 +388,6 @@ endif
 # If REQUIRES_RTTI=1 is specified then don't disable run-time type id.
 ifneq ($(REQUIRES_RTTI), 1)
   CXX.Flags += -fno-rtti
-  CXXFLAGS += -fno-rtti
 endif
 
 ifdef ENABLE_COVERAGE
@@ -448,6 +447,14 @@ else
   endif
 endif
 
+# Support makefile variable to disable any kind of timestamp/non-deterministic
+# info from being used in the build.
+ifeq ($(ENABLE_TIMESTAMPS),1)
+  DOTDIR_TIMESTAMP_COMMAND := $(DATE)
+else
+  DOTDIR_TIMESTAMP_COMMAND := echo 'Created.'
+endif
+
 ifeq ($(HOST_OS),MingW)
   # Work around PR4957
   CPP.Defines += -D__NO_CTYPE_INLINE
@@ -561,7 +568,7 @@ ifeq ($(HOST_OS),Darwin)
   # Get "4" out of 10.4 for later pieces in the makefile.
   DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
 
-  SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress \
+  SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined,suppress \
                     -dynamiclib
   ifneq ($(ARCH),ARM)
     SharedLinkOptions += -mmacosx-version-min=$(DARWIN_VERSION)
@@ -581,18 +588,15 @@ ifeq ($(TARGET_OS),Darwin)
   endif
 endif
 
-# Adjust LD.Flags depending on the kind of library that is to be built. Note
-# that if LOADABLE_MODULE is specified then the resulting shared library can
-# be opened with dlopen.
-ifdef LOADABLE_MODULE
-  LD.Flags += -module
-endif
-
 ifdef SHARED_LIBRARY
+ifneq ($(HOST_OS),Darwin)
+  LD.Flags += $(RPATH) -Wl,'$$ORIGIN'
+else
 ifneq ($(DARWIN_MAJVERS),4)
   LD.Flags += $(RPATH) -Wl,$(LibDir)
 endif
 endif
+endif
 
 ifdef TOOL_VERBOSE
   C.Flags += -v
@@ -640,6 +644,8 @@ CompileCommonOpts += -pedantic -Wno-long-long
 endif
 CompileCommonOpts += -Wall -W -Wno-unused-parameter -Wwrite-strings \
                      $(EXTRA_OPTIONS)
+# Enable cast-qual for C++; the workaround is to use const_cast.
+CXX.Flags += -Wcast-qual
 
 ifeq ($(HOST_OS),HP-UX)
   CompileCommonOpts := -D_REENTRANT -D_HPUX_SOURCE
@@ -785,7 +791,7 @@ $(DESTDIR)$(PROJ_bindir) $(DESTDIR)$(PROJ_libdir) $(DESTDIR)$(PROJ_includedir) $
 # To create other directories, as needed, and timestamp their creation
 %/.dir:
 	$(Verb) $(MKDIR) $* > /dev/null
-	$(Verb) $(DATE) > $@
+	$(Verb) $(DOTDIR_TIMESTAMP_COMMAND) > $@
 
 .PRECIOUS: $(ObjDir)/.dir $(LibDir)/.dir $(ToolDir)/.dir $(ExmplDir)/.dir
 .PRECIOUS: $(LLVMLibDir)/.dir $(LLVMToolDir)/.dir $(LLVMExmplDir)/.dir
@@ -801,7 +807,8 @@ SubDirs += $(DIRS)
 ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
 $(RecursiveTargets)::
 	$(Verb) for dir in $(DIRS); do \
-	  if [ ! -f $$dir/Makefile ]; then \
+	  if ([ ! -f $$dir/Makefile ] || \
+	      command test $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ); then \
 	    $(MKDIR) $$dir; \
 	    $(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
 	  fi; \
@@ -823,7 +830,8 @@ endif
 ifdef EXPERIMENTAL_DIRS
 $(RecursiveTargets)::
 	$(Verb) for dir in $(EXPERIMENTAL_DIRS); do \
-	  if [ ! -f $$dir/Makefile ]; then \
+	  if ([ ! -f $$dir/Makefile ] || \
+	      command test $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ); then \
 	    $(MKDIR) $$dir; \
 	    $(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
 	  fi; \
@@ -857,7 +865,9 @@ unitcheck:: $(addsuffix /.makeunitcheck,$(PARALLEL_DIRS))
 ParallelTargets := $(foreach T,$(RecursiveTargets),%/.make$(T))
 
 $(ParallelTargets) :
-	$(Verb) if [ ! -f $(@D)/Makefile ]; then \
+	$(Verb) if ([ ! -f $(@D)/Makefile ] || \
+	            command test $(@D)/Makefile -ot \
+                      $(PROJ_SRC_DIR)/$(@D)/Makefile ); then \
 	  $(MKDIR) $(@D); \
 	  $(CP) $(PROJ_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
 	fi; \
@@ -876,7 +886,8 @@ ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
 $(RecursiveTargets)::
 	$(Verb) for dir in $(OPTIONAL_DIRS); do \
 	  if [ -d $(PROJ_SRC_DIR)/$$dir ]; then\
-	    if [ ! -f $$dir/Makefile ]; then \
+	    if ([ ! -f $$dir/Makefile ] || \
+	        command test $$dir/Makefile -ot $(PROJ_SRC_DIR)/$$dir/Makefile ); then \
 	      $(MKDIR) $$dir; \
 	      $(CP) $(PROJ_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
 	    fi; \
@@ -924,7 +935,7 @@ endif
 endif
 
 ###############################################################################
-# Set up variables for building libararies
+# Set up variables for building libraries
 ###############################################################################
 
 #---------------------------------------------------------
@@ -978,25 +989,37 @@ ifdef EXPORTED_SYMBOL_FILE
 
 ifeq ($(HOST_OS),Darwin)
 # Darwin convention prefixes symbols with underscores.
-NativeExportsFile := $(ObjDir)/$(EXPORTED_SYMBOL_FILE).sed
-$(NativeExportsFile): $(EXPORTED_SYMBOL_FILE)
-	$(Verb) sed -e 's/[[:<:]]/_/' < $< > $@
+NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE)).sed
+$(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
+	$(Verb) sed -e 's/^/_/' < $< > $@
+clean-local::
+	-$(Verb) $(RM) -f $(NativeExportsFile)
+else
+ifeq ($(HAVE_LINK_VERSION_SCRIPT),1)
+# Gold and BFD ld require a version script rather than a plain list.
+NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE)).map
+$(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
+	$(Verb) echo "{" > $@
+	$(Verb) grep -q "\<" $< && echo "  global:" >> $@ || :
+	$(Verb) sed -e 's/$$/;/' -e 's/^/    /' < $< >> $@
+	$(Verb) echo "  local: *;" >> $@
+	$(Verb) echo "};" >> $@
 clean-local::
 	-$(Verb) $(RM) -f $(NativeExportsFile)
 else
 NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
 endif
+endif
 
 # Now add the linker command-line options to use the native export file.
 
 ifeq ($(HOST_OS),Darwin)
-LLVMLibsOptions += -Wl,-exported_symbols_list -Wl,$(NativeExportsFile)
+LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
 endif
 
-# This isn't really Linux-specific; it works at least on gold and bfd ld, but
-# there's no convenient way to detect it.
-ifeq ($(HOST_OS),Linux)
-LLVMLibsOptions += -Wl,-retain-symbols-file -Wl,$(NativeExportsFile)
+# gold, bfd ld, etc.
+ifeq ($(HAVE_LINK_VERSION_SCRIPT),1)
+LLVMLibsOptions += -Wl,--version-script,$(NativeExportsFile)
 endif
 
 endif
@@ -1123,7 +1146,12 @@ install-local::
 uninstall-local::
 	$(Echo) Uninstall circumvented with NO_INSTALL
 else
+
+ifdef LOADABLE_MODULE
+DestSharedLib = $(DESTDIR)$(PROJ_libdir)/$(LIBRARYNAME)$(SHLIBEXT)
+else
 DestSharedLib = $(DESTDIR)$(PROJ_libdir)/lib$(LIBRARYNAME)$(SHLIBEXT)
+endif
 
 install-local:: $(DestSharedLib)
 
@@ -1242,6 +1270,12 @@ install-local::
 uninstall-local::
 	$(Echo) Uninstall circumvented with NO_INSTALL
 else
+ifdef NO_INSTALL_ARCHIVES
+install-local::
+	$(Echo) Install circumvented with NO_INSTALL
+uninstall-local::
+	$(Echo) Uninstall circumvented with NO_INSTALL
+else
 DestArchiveLib := $(DESTDIR)$(PROJ_libdir)/lib$(LIBRARYNAME).a
 
 install-local:: $(DestArchiveLib)
@@ -1256,6 +1290,7 @@ uninstall-local::
 	-$(Verb) $(RM) -f $(DestArchiveLib)
 endif
 endif
+endif
 
 # endif LIBRARYNAME
 endif
@@ -1297,7 +1332,7 @@ ifeq ($(HOST_OS),Darwin)
 
 # Tiger tools don't support this.
 ifneq ($(DARWIN_MAJVERS),4)
-LD.Flags += -Wl,-exported_symbol -Wl,_main
+LD.Flags += -Wl,-exported_symbol,_main
 endif
 endif
 
@@ -1366,7 +1401,7 @@ DestToolAlias = $(DESTDIR)$(PROJ_bindir)/$(TOOLALIAS)$(EXEEXT)
 
 install-local:: $(DestToolAlias)
 
-$(DestToolAlias): $(DestTool) $(PROJ_bindir)
+$(DestToolAlias): $(DestTool)
 	$(Echo) Installing $(BuildMode) $(DestToolAlias)
 	$(Verb) $(RM) -f $(DestToolAlias)
 	$(Verb) $(AliasTool) $(TOOLEXENAME) $(DestToolAlias)