Add BUILD_NO_PIE_CFLAGS and BUILD_NO_PIE_FLAG

We shouldn't use NO_PIE_CFLAGS and NO_PIE_FLAG with CXX_FOR_BUILD
when CXX_FOR_BUILD != CXX.  This patch adds BUILD_NO_PIE_CFLAGS
and BUILD_NO_PIE_FLAG to use with CXX_FOR_BUILD.  They are set to
NO_PIE_CFLAGS and NO_PIE_FLAG when build machine == host machine.
Otherwise, they are set to NO_PIE_CFLAGS_FOR_BUILD and
NO_PIE_FLAG_FOR_BUILD.

	* Makefile.in (NO_PIE_CFLAGS): New.
	(NO_PIE_FLAG): Likewise.
	(NO_PIE_CFLAGS_FOR_BUILD): Likewise.
	(NO_PIE_FLAG_FOR_BUILD): Likewise.
	(BUILD_NO_PIE_CFLAGS): Likewise.
	(BUILD_NO_PIE_FLAG): Likewise.
	(COMPILER): Replace @NO_PIE_CFLAGS@ with $(NO_PIE_CFLAGS).
	(LINKER): Replace @NO_PIE_FLAG@ with $(NO_PIE_FLAG).
	(BUILD_CFLAGS): Replace @NO_PIE_CFLAGS@ with
	$(BUILD_NO_PIE_CFLAGS).
	(BUILD_CXXFLAGS): Likewise.
	(BUILD_LDFLAGS ): Replace @NO_PIE_FLAG@ with
	$(BUILD_NO_PIE_FLAG).
	* configure.ac (BUILD_NO_PIE_CFLAGS): New.  AC_SUBST.
	(BUILD_NO_PIE_FLAG): Likewise.
	(NO_PIE_CFLAGS_FOR_BUILD): Likewise.
	(NO_PIE_FLAG_FOR_BUILD): Likewise.
	* configure: Regenerated.

From-SVN: r229522

gcc/ChangeLog

+2015-10-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* Makefile.in (NO_PIE_CFLAGS): New.
+	(NO_PIE_FLAG): Likewise.
+	(NO_PIE_CFLAGS_FOR_BUILD): Likewise.
+	(NO_PIE_FLAG_FOR_BUILD): Likewise.
+	(BUILD_NO_PIE_CFLAGS): Likewise.
+	(BUILD_NO_PIE_FLAG): Likewise.
+	(COMPILER): Replace @NO_PIE_CFLAGS@ with $(NO_PIE_CFLAGS).
+	(LINKER): Replace @NO_PIE_FLAG@ with $(NO_PIE_FLAG).
+	(BUILD_CFLAGS): Replace @NO_PIE_CFLAGS@ with
+	$(BUILD_NO_PIE_CFLAGS).
+	(BUILD_CXXFLAGS): Likewise.
+	(BUILD_LDFLAGS ): Replace @NO_PIE_FLAG@ with
+	$(BUILD_NO_PIE_FLAG).
+	* configure.ac (BUILD_NO_PIE_CFLAGS): New.  AC_SUBST.
+	(BUILD_NO_PIE_FLAG): Likewise.
+	(NO_PIE_CFLAGS_FOR_BUILD): Likewise.
+	(NO_PIE_FLAG_FOR_BUILD): Likewise.
+	* configure: Regenerated.
+
 2015-10-29  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/56956

gcc/Makefile.in

@@ -258,11 +258,14 @@ LINKER = $(CC)
 LINKER_FLAGS = $(CFLAGS)
 endif
 
+NO_PIE_CFLAGS = @NO_PIE_CFLAGS@
+NO_PIE_FLAG = @NO_PIE_FLAG@
+
 # We don't want to compile the compilers with -fPIE, it make PCH fail.
-COMPILER += @NO_PIE_CFLAGS@
+COMPILER += $(NO_PIE_CFLAGS)
 
 # Link with -no-pie since we compile the compiler with -fno-PIE.
-LINKER += @NO_PIE_FLAG@
+LINKER += $(NO_PIE_FLAG)
 
 # Like LINKER, but use a mutex for serializing front end links.
 ifeq (@DO_LINK_MUTEX@,true)
@@ -755,10 +758,13 @@ DIR = ../gcc
 # Native compiler for the build machine and its switches.
 CC_FOR_BUILD = @CC_FOR_BUILD@
 CXX_FOR_BUILD = @CXX_FOR_BUILD@
+NO_PIE_CFLAGS_FOR_BUILD = @NO_PIE_CFLAGS_FOR_BUILD@
+NO_PIE_FLAG_FOR_BUILD = @NO_PIE_FLAG_FOR_BUILD@
 BUILD_CFLAGS= @BUILD_CFLAGS@ -DGENERATOR_FILE
 BUILD_CXXFLAGS = @BUILD_CXXFLAGS@ -DGENERATOR_FILE
-BUILD_CFLAGS += @NO_PIE_CFLAGS@
-BUILD_CXXFLAGS += @NO_PIE_CFLAGS@
+BUILD_NO_PIE_CFLAGS = @BUILD_NO_PIE_CFLAGS@
+BUILD_CFLAGS += $(BUILD_NO_PIE_CFLAGS)
+BUILD_CXXFLAGS += $(BUILD_NO_PIE_CFLAGS)
 
 # Native compiler that we use.  This may be C++ some day.
 COMPILER_FOR_BUILD = $(CXX_FOR_BUILD)
@@ -770,7 +776,8 @@ BUILD_LINKERFLAGS = $(BUILD_CXXFLAGS)
 
 # Native linker and preprocessor flags.  For x-fragment overrides.
 BUILD_LDFLAGS=@BUILD_LDFLAGS@
-BUILD_LDFLAGS += @NO_PIE_FLAG@
+BUILD_NO_PIE_FLAG = @BUILD_NO_PIE_FLAG@
+BUILD_LDFLAGS += $(BUILD_NO_PIE_FLAG)
 BUILD_CPPFLAGS= -I. -I$(@D) -I$(srcdir) -I$(srcdir)/$(@D) \
 		-I$(srcdir)/../include @INCINTL@ $(CPPINC) $(CPPFLAGS)
 

gcc/configure

@@ -707,6 +707,10 @@ FGREP
 SED
 LIBTOOL
 collect2
+NO_PIE_FLAG_FOR_BUILD
+NO_PIE_CFLAGS_FOR_BUILD
+BUILD_NO_PIE_FLAG
+BUILD_NO_PIE_CFLAGS
 STMP_FIXINC
 BUILD_LDFLAGS
 BUILD_CXXFLAGS
@@ -7096,7 +7100,8 @@ if test x$ac_checking != x ; then
 
 $as_echo "#define ENABLE_CHECKING 1" >>confdefs.h
 
-  $as_echo "#define CHECKING_P 1" >>confdefs.h
+
+$as_echo "#define CHECKING_P 1" >>confdefs.h
 
   nocommon_flag=-fno-common
 else
@@ -12253,14 +12258,24 @@ BUILD_CXXFLAGS='$(ALL_CXXFLAGS)'
 BUILD_LDFLAGS='$(LDFLAGS)'
 STMP_FIXINC=stmp-fixinc
 
+BUILD_NO_PIE_CFLAGS='$(NO_PIE_CFLAGS)'
+BUILD_NO_PIE_FLAG='$(NO_PIE_FLAG)'
+
 # And these apply if build != host, or we are generating coverage data
 if test x$build != x$host || test "x$coverage_flags" != x
 then
     BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
     BUILD_CXXFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CXXFLAGS_FOR_BUILD)'
     BUILD_LDFLAGS='$(LDFLAGS_FOR_BUILD)'
+
+    NO_PIE_CFLAGS_FOR_BUILD=${NO_PIE_CFLAGS_FOR_BUILD-${NO_PIE_CFLAGS}}
+    NO_PIE_FLAG_FOR_BUILD=${NO_PIE_FLAG_FOR_BUILD-${NO_PIE_FLAG}}
+    BUILD_NO_PIE_CFLAGS='$(NO_PIE_CFLAGS_FOR_BUILD)'
+    BUILD_NO_PIE_FLAG='$(NO_PIE_FLAG_FOR_BUILD)'
 fi
 
+
+
 # Expand extra_headers to include complete path.
 # This substitutes for lots of t-* files.
 extra_headers_list=
@@ -18390,7 +18405,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18393 "configure"
+#line 18408 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -18496,7 +18511,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18499 "configure"
+#line 18514 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H

gcc/configure.ac

@@ -2041,13 +2041,23 @@ BUILD_CXXFLAGS='$(ALL_CXXFLAGS)' AC_SUBST(BUILD_CXXFLAGS)
 BUILD_LDFLAGS='$(LDFLAGS)'	AC_SUBST(BUILD_LDFLAGS)
 STMP_FIXINC=stmp-fixinc		AC_SUBST(STMP_FIXINC)
 
+BUILD_NO_PIE_CFLAGS='$(NO_PIE_CFLAGS)' AC_SUBST(BUILD_NO_PIE_CFLAGS)
+BUILD_NO_PIE_FLAG='$(NO_PIE_FLAG)' AC_SUBST(BUILD_NO_PIE_FLAG)
+
 # And these apply if build != host, or we are generating coverage data
 if test x$build != x$host || test "x$coverage_flags" != x
 then
     BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
     BUILD_CXXFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CXXFLAGS_FOR_BUILD)'
     BUILD_LDFLAGS='$(LDFLAGS_FOR_BUILD)'
+
+    NO_PIE_CFLAGS_FOR_BUILD=${NO_PIE_CFLAGS_FOR_BUILD-${NO_PIE_CFLAGS}}
+    NO_PIE_FLAG_FOR_BUILD=${NO_PIE_FLAG_FOR_BUILD-${NO_PIE_FLAG}}
+    BUILD_NO_PIE_CFLAGS='$(NO_PIE_CFLAGS_FOR_BUILD)'
+    BUILD_NO_PIE_FLAG='$(NO_PIE_FLAG_FOR_BUILD)'
 fi
+AC_SUBST(NO_PIE_CFLAGS_FOR_BUILD)
+AC_SUBST(NO_PIE_FLAG_FOR_BUILD)
 
 # Expand extra_headers to include complete path.
 # This substitutes for lots of t-* files.