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re PR fortran/46020 (Improve error string for BIND(C) diagnostic for len>1 character return type)

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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.

From-SVN: r167160
This commit is contained in:
Alexandre Oliva 2010-11-26 04:25:32 +00:00 committed by Alexandre Oliva
parent 54e07cf808
commit 9aff220f24
6 changed files with 54 additions and 4 deletions
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10
ChangeLog
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@ -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

1
Makefile.def
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@ -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 ; };

22
Makefile.in
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@ -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)"

21
Makefile.tpl
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@ -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)"

2
configure vendored
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@ -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

2
configure.ac
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@ -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],