Some minor upgrades

* Convert "cmp" usage to $(CMP)
* Convert "cp" usage to $(CP)
* Fix some build messages to reflect what's actually going on
* Add a "reconfigure" target for forcing a reconfigure. Helps with testing
  things like Chris's recent changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18991 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Makefile.rules b/Makefile.rules
index f509058f8d996df62462d3cf78b87286c32a3867..37cb1c5a94b45250fe2a1f6abf0ff357724197c0 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -101,6 +101,12 @@ $(BUILT_SOURCES) : $(ObjMakefiles)
 #------------------------------------------------------------------------
 # Make sure we're not using a stale configuration
 #------------------------------------------------------------------------
+reconfigure:
+       $(Echo) Reconfiguring $(BUILD_OBJ_ROOT)
+       $(Verb) cd $(BUILD_OBJ_ROOT) && \
+         $(ConfigStatusScript) --recheck $(ConfigureScriptFLAGS) && \
+         $(ConfigStatusScript)
+
 .PRECIOUS: $(ConfigStatusScript)
 $(ConfigStatusScript): $(ConfigureScript)
        $(Echo) Reconfiguring with $<
@@ -124,7 +130,7 @@ ifneq ($(BUILD_OBJ_DIR),$(BUILD_SRC_DIR))
 Makefile: $(BUILD_SRC_DIR)/Makefile
        $(Echo) "Updating Makefile"
        $(Verb) $(MKDIR) $(@D)
-       $(Verb) cp -f $< $@
+       $(Verb) $(CP) -f $< $@
 
 # Copy the Makefile.* files unless we're in the root directory which avoids
 # the copying of Makefile.config.in or other things that should be explicitly
@@ -135,7 +141,7 @@ $(BUILD_OBJ_DIR)/Makefile% : $(BUILD_SRC_DIR)/Makefile%
           *.in) ;; \
           *) $(Echo) "Updating $(@F)" ; \
             $(MKDIR) $(@D) ; \
-            cp -f $< $@ ;; \
+            $(CP) -f $< $@ ;; \
        esac
          
 endif
@@ -391,7 +397,7 @@ $(RecursiveTargets)::
        $(Verb) for dir in $(DIRS); do \
          if [ ! -f $$dir/Makefile ]; then \
            $(MKDIR) $$dir; \
-           cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
+           $(CP) $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
          fi; \
          if [ ! -f $$dir/LLVM_DO_NOT_BUILD ]; then \
            ($(MAKE) -C $$dir $@ ) || exit 1; \
@@ -408,7 +414,7 @@ $(RecursiveTargets)::
        $(Verb) for dir in $(EXPERIMENTAL_DIRS); do \
          if [ ! -f $$dir/Makefile ]; then \
            $(MKDIR) $$dir; \
-           cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
+           $(CP) $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
          fi; \
          if [ ! -f $$dir/LLVM_DO_NOT_BUILD ]; then \
            ($(MAKE) -C $$dir $@ ) || exit 0; \
@@ -436,7 +442,7 @@ ParallelTargets := $(foreach T,$(RecursiveTargets),%/.make$(T))
 $(ParallelTargets) :
        $(Verb) if [ ! -f $(@D)/Makefile ]; then \
          $(MKDIR) $(@D); \
-         cp $(BUILD_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
+         $(CP) $(BUILD_SRC_DIR)/$(@D)/Makefile $(@D)/Makefile; \
        fi; \
        if [ ! -f $$dir/LLVM_DO_NOT_BUILD ]; then \
          $(MAKE) -C $(@D) $(subst $(@D)/.make,,$@) ; \
@@ -456,7 +462,7 @@ $(RecursiveTargets)::
          if [ -d $(BUILD_SRC_DIR)/$$dir ]; then\
            if [ ! -f $$dir/Makefile ]; then \
              $(MKDIR) $$dir; \
-             cp $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
+             $(CP) $(BUILD_SRC_DIR)/$$dir/Makefile $$dir/Makefile; \
            fi; \
            if [ ! -f $$dir/LLVM_DO_NOT_BUILD ]; then \
              ($(MAKE) -C$$dir $@ ) || exit 1; \
@@ -910,7 +916,7 @@ $(ObjDir)/%.lo $(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES)
        $(LTCompile.CXX) $< -o $@ 
 
 $(ObjDir)/%.lo $(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES)
-       $(Echo) "Compiling $*.cpp for $(BuildMode) build (PIC)"
+       $(Echo) "Compiling $*.c for $(BuildMode) build (PIC)"
        $(LTCompile.C) $< -o $@ 
 
 else
@@ -920,7 +926,7 @@ $(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES)
        $(Compile.CXX) $< -o $@ 
 
 $(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES)
-       $(Echo) "Compiling $*.cpp for $(BuildMode) build"
+       $(Echo) "Compiling $*.c for $(BuildMode) build"
        $(Compile.C) $< -o $@ 
 endif
 
@@ -963,7 +969,7 @@ $(INCTMPFiles) : $(TBLGEN) $(TDFiles)
 # dependencies of the .inc files are, unless the contents of the .inc file
 # changes.
 $(INCFiles) : %.inc : $(ObjDir)/%.inc.tmp
-       $(Verb) cmp -s $@ $< || cp $< $@
+       $(Verb) $(CMP) -s $@ $< || $(CP) $< $@
 
 $(TARGET:%=$(ObjDir)/%GenRegisterNames.inc.tmp): \
 $(ObjDir)/%GenRegisterNames.inc.tmp : %.td $(ObjDir)/.dir
@@ -1323,13 +1329,13 @@ $(DistDir)/.makedistdir: $(DistSources)
          if test -d "$$from_dir/$$file"; then \
            if test -d "$(BUILD_SRC_DIR)/$$file" && \
               test "$$from_dir" != "$(BUILD_SRC_DIR)" ; then \
-             cp -pR "$(BUILD_SRC_DIR)/$$file" "$$to_dir" || exit 1; \
+             $(CP) -pR "$(BUILD_SRC_DIR)/$$file" "$$to_dir" || exit 1; \
            fi; \
-           cp -pR $$from_dir/$$file $$to_dir || exit 1; \
+           $(CP) -pR $$from_dir/$$file $$to_dir || exit 1; \
          elif test -f "$$from_dir/$$file" ; then \
-           cp -p "$$from_dir/$$file" "$(DistDir)/$$file" || exit 1; \
+           $(CP) -p "$$from_dir/$$file" "$(DistDir)/$$file" || exit 1; \
          elif test -L "$$from_dir/$$file" ; then \
-           cp -pd "$$from_dir/$$file" $(DistDir)/$$file || exit 1; \
+           $(CP) -pd "$$from_dir/$$file" $(DistDir)/$$file || exit 1; \
          elif echo "$(DistAlways)" | grep -v "$$file" >/dev/null ; then \
            $(EchoCmd) "===== WARNING: Distribution Source " \
              "$$from_dir/$$file Not Found!" ; \