diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | Makefile.def | 1 | ||||
| -rw-r--r-- | Makefile.in | 22 | ||||
| -rw-r--r-- | Makefile.tpl | 21 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | configure.ac | 2 |
6 files changed, 54 insertions, 4 deletions
@@ -1,3 +1,13 @@ +2010-11-26 Alexandre Oliva <aoliva@redhat.com> + + PR other/46020 + * configure.ac (CXX_FOR_TARGET): Add -funconfigured-libstdc++-v3. + * Makefile.def (CXX_FOR_TARGET): Removed from flags_to_pass. + * Makefile.tpl (CXX_FOR_TARGET_FLAG_TO_PASS): New. + (BASE_FLAGS_TO_PASS): Use it. + * configure: Rebuilt. + * Makefile.in: Rebuilt. + 2010-11-23 H.J. Lu <hongjiu.lu@intel.com> PR binutils/12258 diff --git a/Makefile.def b/Makefile.def index 65d50ff193..8eb5b03a3d 100644 --- a/Makefile.def +++ b/Makefile.def @@ -282,7 +282,6 @@ flags_to_pass = { flag= AS_FOR_TARGET ; }; flags_to_pass = { flag= CC_FOR_TARGET ; }; flags_to_pass = { flag= CFLAGS_FOR_TARGET ; }; flags_to_pass = { flag= CPPFLAGS_FOR_TARGET ; }; -flags_to_pass = { flag= CXX_FOR_TARGET ; }; flags_to_pass = { flag= CXXFLAGS_FOR_TARGET ; }; flags_to_pass = { flag= DLLTOOL_FOR_TARGET ; }; flags_to_pass = { flag= FLAGS_FOR_TARGET ; }; diff --git a/Makefile.in b/Makefile.in index c3cf12194d..945fc5ddb8 100644 --- a/Makefile.in +++ b/Makefile.in @@ -640,6 +640,26 @@ HOST_LIB_PATH_libelf = \ @endif libelf +CXX_FOR_TARGET_FLAG_TO_PASS = \ + "CXX_FOR_TARGET=$(CXX_FOR_TARGET)" +@if target-libstdc++-v3 +# CXX_FOR_TARGET is tricky to get right for target libs that require a +# functional C++ compiler. When we recurse, if we expand +# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get +# libstdc++ include flags from the script. Instead, we get an +# -funconfigured-* word, so that we'll get errors if this invalid C++ +# command line is used for anything, but also so that we can use the +# word to decide whether or not to pass on this CXX_FOR_TARGET. If we +# don't pass it on, sub-make will use the default definition, that +# re-expands it at the time of use, so we'll get it right when we need +# it. One potential exception is the expansion of CXX_FOR_TARGET +# passed down as part of CXX within TARGET_FLAGS, but this wouldn't +# really work, for C++ host programs can't depend on the current-stage +# C++ target library. +CXX_FOR_TARGET_FLAG_TO_PASS = \ + $(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi) +@endif target-libstdc++-v3 + # Flags to pass down to all sub-makes. BASE_FLAGS_TO_PASS = \ "DESTDIR=$(DESTDIR)" \ @@ -707,7 +727,6 @@ BASE_FLAGS_TO_PASS = \ "CC_FOR_TARGET=$(CC_FOR_TARGET)" \ "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \ "CPPFLAGS_FOR_TARGET=$(CPPFLAGS_FOR_TARGET)" \ - "CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \ "CXXFLAGS_FOR_TARGET=$(CXXFLAGS_FOR_TARGET)" \ "DLLTOOL_FOR_TARGET=$(DLLTOOL_FOR_TARGET)" \ "FLAGS_FOR_TARGET=$(FLAGS_FOR_TARGET)" \ @@ -747,6 +766,7 @@ BASE_FLAGS_TO_PASS = \ "STAGEfeedback_CFLAGS=$(STAGEfeedback_CFLAGS)" \ "STAGEfeedback_CXXFLAGS=$(STAGEfeedback_CXXFLAGS)" \ "STAGEfeedback_TFLAGS=$(STAGEfeedback_TFLAGS)" \ + $(CXX_FOR_TARGET_FLAG_TO_PASS) \ "TFLAGS=$(TFLAGS)" \ "CONFIG_SHELL=$(SHELL)" \ "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" diff --git a/Makefile.tpl b/Makefile.tpl index 2caa0bb1a4..f9a2936c33 100644 --- a/Makefile.tpl +++ b/Makefile.tpl @@ -551,6 +551,26 @@ HOST_LIB_PATH_[+module+] = \ @endif [+module+] [+ ENDIF lib_path +][+ ENDFOR host_modules +] +CXX_FOR_TARGET_FLAG_TO_PASS = \ + "CXX_FOR_TARGET=$(CXX_FOR_TARGET)" +@if target-libstdc++-v3 +# CXX_FOR_TARGET is tricky to get right for target libs that require a +# functional C++ compiler. When we recurse, if we expand +# CXX_FOR_TARGET before configuring libstdc++-v3, we won't get +# libstdc++ include flags from the script. Instead, we get an +# -funconfigured-* word, so that we'll get errors if this invalid C++ +# command line is used for anything, but also so that we can use the +# word to decide whether or not to pass on this CXX_FOR_TARGET. If we +# don't pass it on, sub-make will use the default definition, that +# re-expands it at the time of use, so we'll get it right when we need +# it. One potential exception is the expansion of CXX_FOR_TARGET +# passed down as part of CXX within TARGET_FLAGS, but this wouldn't +# really work, for C++ host programs can't depend on the current-stage +# C++ target library. +CXX_FOR_TARGET_FLAG_TO_PASS = \ + $(shell if echo "$(CXX_FOR_TARGET)" | grep " -funconfigured-" > /dev/null; then :; else echo '"CXX_FOR_TARGET=$(CXX_FOR_TARGET)"'; fi) +@endif target-libstdc++-v3 + # Flags to pass down to all sub-makes. BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \ "`echo '[+flag+]=$([+flag+])' | sed -e s'/[^=][^=]*=$$/XFOO=/'`"[+ ELSE optional +] \ @@ -558,6 +578,7 @@ BASE_FLAGS_TO_PASS =[+ FOR flags_to_pass +][+ IF optional +] \ "STAGE[+id+]_CFLAGS=$(STAGE[+id+]_CFLAGS)" \ "STAGE[+id+]_CXXFLAGS=$(STAGE[+id+]_CXXFLAGS)" \ "STAGE[+id+]_TFLAGS=$(STAGE[+id+]_TFLAGS)"[+ ENDFOR bootstrap-stage +] \ + $(CXX_FOR_TARGET_FLAG_TO_PASS) \ "TFLAGS=$(TFLAGS)" \ "CONFIG_SHELL=$(SHELL)" \ "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" @@ -13363,7 +13363,7 @@ else esac if test $ok = yes; then # An in-tree tool is available and we can use it - CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs' + CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs' { $as_echo "$as_me:${as_lineno-$LINENO}: result: just compiled" >&5 $as_echo "just compiled" >&6; } elif expr "x$CXX_FOR_TARGET" : "x/" > /dev/null; then diff --git a/configure.ac b/configure.ac index 294f241bca..7859290a8b 100644 --- a/configure.ac +++ b/configure.ac @@ -3236,7 +3236,7 @@ GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, - [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], + [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS c++) GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], |