7141244: build-infra merge: Include $(SPEC) in makefiles and make variables overridable

Reviewed-by: dholmes, ohrstrom, ohair, jcoomes

hotspot/make/bsd/makefiles/buildtree.make

@@ -58,6 +58,7 @@
 # needs to be set here since this Makefile doesn't include defs.make
 OS_VENDOR:=$(shell uname -s)
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -247,6 +248,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@

hotspot/make/bsd/makefiles/gcc.make

@@ -27,53 +27,57 @@ OS_VENDOR = $(shell uname -s)
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-# When cross-compiling the ALT_COMPILER_PATH points
-# to the cross-compilation toolset
-ifdef CROSS_COMPILE_ARCH
- CXX = $(ALT_COMPILER_PATH)/g++
- CC  = $(ALT_COMPILER_PATH)/gcc
- HOSTCXX = g++
- HOSTCC  = gcc
-else ifneq ($(OS_VENDOR), Darwin)
- CXX = g++
- CC  = gcc
- HOSTCXX = $(CXX)
- HOSTCC  = $(CC)
-endif
-
-# i486 hotspot requires -mstackrealign on Darwin.
-# llvm-gcc supports this in Xcode 3.2.6 and 4.0.
-# gcc-4.0 supports this on earlier versions.
-# Prefer llvm-gcc where available.
-ifeq ($(OS_VENDOR), Darwin)
-  ifeq ($(origin CXX), default)
-   CXX = llvm-g++
-  endif
-  ifeq ($(origin CC), default)
-   CC  = llvm-gcc
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # When cross-compiling the ALT_COMPILER_PATH points
+  # to the cross-compilation toolset
+  ifdef CROSS_COMPILE_ARCH
+    CXX = $(ALT_COMPILER_PATH)/g++
+    CC  = $(ALT_COMPILER_PATH)/gcc
+    HOSTCXX = g++
+    HOSTCC  = gcc
+  else ifneq ($(OS_VENDOR), Darwin)
+    CXX = g++
+    CC  = gcc
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
   endif
 
-  ifeq ($(ARCH), i486)
-  LLVM_SUPPORTS_STACKREALIGN := $(shell \
-   [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
-   && echo true || echo false)
-
-  ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
-    CXX32 ?= llvm-g++
-    CC32  ?= llvm-gcc
-  else
-    CXX32 ?= g++-4.0
-    CC32  ?= gcc-4.0
-  endif
-  CXX = $(CXX32)
-  CC  = $(CC32)
+  # i486 hotspot requires -mstackrealign on Darwin.
+  # llvm-gcc supports this in Xcode 3.2.6 and 4.0.
+  # gcc-4.0 supports this on earlier versions.
+  # Prefer llvm-gcc where available.
+  ifeq ($(OS_VENDOR), Darwin)
+    ifeq ($(origin CXX), default)
+      CXX = llvm-g++
+    endif
+    ifeq ($(origin CC), default)
+      CC  = llvm-gcc
+    endif
+
+    ifeq ($(ARCH), i486)
+      LLVM_SUPPORTS_STACKREALIGN := $(shell \
+       [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
+       && echo true || echo false)
+
+      ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
+        CXX32 ?= llvm-g++
+        CC32  ?= llvm-gcc
+      else
+        CXX32 ?= g++-4.0
+        CC32  ?= gcc-4.0
+      endif
+      CXX = $(CXX32)
+      CC  = $(CC32)
+    endif
+
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
   endif
 
-  HOSTCXX = $(CXX)
-  HOSTCC  = $(CC)
+  AS   = $(CC) -c -x assembler-with-cpp
 endif
 
-AS   = $(CC) -c -x assembler-with-cpp
 
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
 # prints the numbers (e.g. "2.95", "3.2.1")

hotspot/make/bsd/makefiles/sparcWorks.make

@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
-
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
+
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32

hotspot/make/defs.make

@@ -24,6 +24,11 @@
 
 # The common definitions for hotspot builds.
 
+# Optionally include SPEC file generated by configure.
+ifneq ($(SPEC),)
+  include $(SPEC)
+endif
+
 # Default to verbose build logs (show all compile lines):
 MAKE_VERBOSE=y
 

hotspot/make/linux/makefiles/buildtree.make

@@ -55,6 +55,7 @@
 # The makefiles are split this way so that "make foo" will run faster by not
 # having to read the dependency files for the vm.
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -244,6 +245,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@

hotspot/make/linux/makefiles/gcc.make

@@ -25,21 +25,26 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-# When cross-compiling the ALT_COMPILER_PATH points
-# to the cross-compilation toolset
-ifdef CROSS_COMPILE_ARCH
-CXX = $(ALT_COMPILER_PATH)/g++
-CC  = $(ALT_COMPILER_PATH)/gcc
-HOSTCXX = g++
-HOSTCC  = gcc
-else
-CXX = g++
-CC  = gcc
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # When cross-compiling the ALT_COMPILER_PATH points
+  # to the cross-compilation toolset
+  ifdef CROSS_COMPILE_ARCH
+    CXX = $(ALT_COMPILER_PATH)/g++
+    CC  = $(ALT_COMPILER_PATH)/gcc
+    HOSTCXX = g++
+    HOSTCC  = gcc
+    STRIP = $(ALT_COMPILER_PATH)/strip
+  else
+    CXX = g++
+    CC  = gcc
+    HOSTCXX = $(CXX)
+    HOSTCC  = $(CC)
+    STRIP = strip
+  endif
+  AS  = $(CC) -c
 endif
 
-AS  = $(CC) -c
 
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
 # prints the numbers (e.g. "2.95", "3.2.1")
@@ -261,9 +266,3 @@ endif
 ifdef MINIMIZE_RAM_USAGE
 CFLAGS += -DMINIMIZE_RAM_USAGE
 endif
-
-ifdef CROSS_COMPILE_ARCH
-  STRIP = $(ALT_COMPILER_PATH)/strip
-else
-  STRIP = strip
-endif

hotspot/make/linux/makefiles/sparcWorks.make

@@ -25,12 +25,15 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = CC
-CC  = cc
-AS  = $(CC) -c
-
-HOSTCXX = $(CXX)
-HOSTCC  = $(CC)
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = CC
+  CC  = cc
+  AS  = $(CC) -c
+
+  HOSTCXX = $(CXX)
+  HOSTCC  = $(CC)
+endif
 
 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
 ARCHFLAG/i486    = -m32

hotspot/make/solaris/makefiles/buildtree.make

@@ -55,6 +55,7 @@
 # The makefiles are split this way so that "make foo" will run faster by not
 # having to read the dependency files for the vm.
 
+-include $(SPEC)
 include $(GAMMADIR)/make/scm.make
 include $(GAMMADIR)/make/altsrc.make
 
@@ -237,6 +238,8 @@ flags.make: $(BUILDTREE_MAKE) ../shared_dirs.lst
 	    echo "HOTSPOT_EXTRA_SYSDEFS\$$(HOTSPOT_EXTRA_SYSDEFS) = $(HOTSPOT_EXTRA_SYSDEFS)" && \
 	    echo "SYSDEFS += \$$(HOTSPOT_EXTRA_SYSDEFS)"; \
 	echo; \
+	[ -n "$(SPEC)" ] && \
+	    echo "include $(SPEC)"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(VARIANT).make"; \
 	echo "include \$$(GAMMADIR)/make/$(OS_FAMILY)/makefiles/$(COMPILER).make"; \
 	) > $@

hotspot/make/solaris/makefiles/gcc.make

@@ -25,9 +25,13 @@
 #------------------------------------------------------------------------
 # CC, CXX & AS
 
-CXX = g++
-CC  = gcc
-AS  = $(CC) -c
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  CXX = g++
+  CC  = gcc
+  AS  = $(CC) -c
+  MCS = /usr/ccs/bin/mcs
+endif
 
 Compiler = gcc
 
@@ -193,5 +197,3 @@ DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) 
 DEBUG_CFLAGS += -gstabs 
 endif 
-
-MCS = /usr/ccs/bin/mcs

hotspot/make/solaris/makefiles/sparcWorks.make

@@ -22,18 +22,22 @@
 #  
 #
 
-# Compiler-specific flags for sparcworks.
+# If a SPEC is not set already, then use these defaults.
+ifeq ($(SPEC),)
+  # Compiler-specific flags for sparcworks.
+  CC	= cc
+  CXX	= CC
 
-# tell make which C and C++ compilers to use
-CC	= cc
-CXX	= CC
+  # Note that this 'as' is an older version of the Sun Studio 'fbe', and will
+  #   use the older style options. The 'fbe' options will match 'cc' and 'CC'.
+  AS	= /usr/ccs/bin/as
 
-# Note that this 'as' is an older version of the Sun Studio 'fbe', and will
-#   use the older style options. The 'fbe' options will match 'cc' and 'CC'.
-AS	= /usr/ccs/bin/as
+  NM    = /usr/ccs/bin/nm
+  NAWK  = /bin/nawk
 
-NM	= /usr/ccs/bin/nm
-NAWK    = /bin/nawk
+  MCS	= /usr/ccs/bin/mcs
+  STRIP	= /usr/ccs/bin/strip
+endif
 
 REORDER_FLAG = -xF
 
@@ -557,9 +561,6 @@ else
 #LINK_INTO = LIBJVM
 endif
 
-MCS	= /usr/ccs/bin/mcs
-STRIP	= /usr/ccs/bin/strip
-
 # Solaris platforms collect lots of redundant file-ident lines,
 # to the point of wasting a significant percentage of file space.
 # (The text is stored in ELF .comment sections, contributed by

hotspot/make/windows/build.make

@@ -297,6 +297,10 @@ $(variantDir)\local.make: checks
 	@ echo BUILDARCH=$(BUILDARCH)         			>> $@
 	@ echo Platform_arch=$(Platform_arch)        		>> $@
 	@ echo Platform_arch_model=$(Platform_arch_model)	>> $@
+	@ echo CXX=$(CXX)					>> $@
+	@ echo LD=$(LD)						>> $@
+	@ echo MT=$(MT)						>> $@
+	@ echo RC=$(RC)						>> $@
 	@ sh $(WorkSpace)/make/windows/get_msc_ver.sh		>> $@
 
 checks: checkVariant checkWorkSpace checkSA

hotspot/make/windows/makefiles/compile.make

@@ -23,7 +23,9 @@
 #
 
 # Generic compiler settings
+!if "x$(CXX)" == "x"
 CXX=cl.exe
+!endif
 
 # CXX Flags: (these vary slightly from VC6->VS2003->VS2005 compilers)
 #   /nologo   Supress copyright message at every cl.exe startup
@@ -183,8 +185,10 @@ BUFFEROVERFLOWLIB = bufferoverflowU.lib
 LD_FLAGS = /manifest $(LD_FLAGS) $(BUFFEROVERFLOWLIB)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
 !endif
+!endif
 
 !if "$(COMPILER_NAME)" == "VS2008"
 PRODUCT_OPT_OPTION   = /O2 /Oy-
@@ -194,8 +198,10 @@ GX_OPTION = /EHsc
 LD_FLAGS = /manifest $(LD_FLAGS)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
 !endif
+!endif
 
 !if "$(COMPILER_NAME)" == "VS2010"
 PRODUCT_OPT_OPTION   = /O2 /Oy-
@@ -205,7 +211,9 @@ GX_OPTION = /EHsc
 LD_FLAGS = /manifest $(LD_FLAGS)
 # Manifest Tool - used in VS2005 and later to adjust manifests stored
 # as resources inside build artifacts.
+!if "x$(MT)" == "x"
 MT=mt.exe
+!endif
 !if "$(BUILDARCH)" == "i486"
 LD_FLAGS = /SAFESEH $(LD_FLAGS)
 !endif
@@ -225,7 +233,9 @@ FASTDEBUG_OPT_OPTION = $(DEBUG_OPT_OPTION)
 !endif
 
 # Generic linker settings
+!if "x$(LD)" == "x"
 LD=link.exe
+!endif
 LD_FLAGS= $(LD_FLAGS) kernel32.lib user32.lib gdi32.lib winspool.lib \
  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib \
  uuid.lib Wsock32.lib winmm.lib /nologo /machine:$(MACHINE) /opt:REF \
@@ -237,7 +247,9 @@ LD_FLAGS= $(LD_FLAGS) psapi.lib
 !endif
 
 # Resource compiler settings
+!if "x$(RC)" == "x"
 RC=rc.exe
+!endif
 RC_FLAGS=/D "HS_VER=$(HS_VER)" \
 	 /D "HS_DOTVER=$(HS_DOTVER)" \
 	 /D "HS_BUILD_ID=$(HS_BUILD_ID)" \

hotspot/make/windows/makefiles/defs.make

@@ -202,3 +202,19 @@ ifeq ($(BUILD_WIN_SA), 1)
   # Must pass this down to nmake.
   MAKE_ARGS += BUILD_WIN_SA=1
 endif
+
+# Propagate compiler and tools paths from configure to nmake. 
+# Need to make sure they contain \\ and not /.
+ifneq ($(SPEC),)
+  ifeq ($(USING_CYGWIN), true)
+    MAKE_ARGS += CXX="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(CXX)))"
+    MAKE_ARGS += LD="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(LD)))"
+    MAKE_ARGS += RC="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(RC)))"
+    MAKE_ARGS += MT="$(subst /,\\,$(shell /bin/cygpath -s -m -a $(MT)))"
+  else
+    MAKE_ARGS += CXX="$(subst /,\\,$(CXX))"
+    MAKE_ARGS += LD="$(subst /,\\,$(LD))"
+    MAKE_ARGS += RC="$(subst /,\\,$(RC))"
+    MAKE_ARGS += MT="$(subst /,\\,$(MT))"
+  endif
+endif