Since gcc 4.6.0 trunk snapshot 20100904 (or maybe earlier), the building fails
with option "--enable-libstdcxx-debug". The last 30 some lines of build log
shows:
----- BEGIN -----
Making install in src
(cd debug && /usr/bin/make CXXFLAGS='-g3 -O0' all)
make[4]: Nothing to be done for `all'.
test -z "/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0" ||
../../../../gcc-4.6-20100911/libstdc++-v3/../install-sh -c -d
"/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0"
/bin/sh ../libtool --mode=install /usr/bin/install -c libstdc++.la
'/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0'
libtool: install: /usr/bin/install -c .libs/libstdc++.6.dylib
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.6.dylib
libtool: install: (cd
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0
&& { ln -s -f libstdc++.6.dylib libstdc++.dylib || { rm -f libstdc++.dylib &&
ln -s libstdc++.6.dylib libstdc++.dylib; }; })
libtool: install: /usr/bin/install -c .libs/libstdc++.lai
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.la
libtool: install: /usr/bin/install -c .libs/libstdc++.a
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a
libtool: install: chmod 644
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a
libtool: install: /usr/bin/ranlib
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(math_stubs_float.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(math_stubs_long_double.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(mutex.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(condition_variable.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(thread.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(atexit_arm.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(eh_arm.o)
has no symbols
/usr/bin/ranlib: file:
/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/libstdc++.a(tinfo2.o)
has no symbols
libtool: install: warning: remember to run `libtool --finish
/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0'
(cd debug && /usr/bin/make \
toolexeclibdir=/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/debug
install)
test -z "/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/debug" ||
../../../../gcc-4.6-20100911/libstdc++-v3/../install-sh -c -d
"/opt/local/var/macports/build/_Users_dxy_ports_lang_gcc-trunk/work/destroot/opt/local/lib/gcc-trunk/gcc/x86_64-apple-darwin10/4.6.0/debug"
/bin/sh: ../../../../gcc-4.6-20100911/libstdc++-v3/../install-sh: No such file
or directory
make[6]: *** [install-toolexeclibLTLIBRARIES] Error 127
make[5]: *** [install-am] Error 2
make[4]: *** [install_debug] Error 2
make[3]: *** [install-am] Error 2
make[2]: *** [install-recursive] Error 1
make[1]: *** [install-target-libstdc++-v3] Error 2
make: *** [install] Error 2
----- END -----
System is Mac OS X 10.6, with Xcode 3.2.3, gcc -v output:
$ gcc -v
Using built-in specs.
Target: i686-apple-darwin10
Configured with: /var/tmp/gcc/gcc-5664~38/src/configure --disable-checking
--enable-werror --prefix=/usr --mandir=/share/man
--enable-languages=c,objc,c++,obj-c++
--program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib
--build=i686-apple-darwin10 --program-prefix=i686-apple-darwin10-
--host=x86_64-apple-darwin10 --target=i686-apple-darwin10
--with-gxx-include-dir=/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Apple Inc. build 5664)
Trunk gcc configured with:
../gcc-4.6-20100904/configure --prefix=/opt/local --build=x86_64-apple-darwin10
--enable-languages=c,c++ --libdir=/opt/local/lib/gcc-trunk
--includedir=/opt/local/include/gcc-trunk --infodir=/opt/local/share/info
--mandir=/opt/local/share/man --datarootdir=/opt/local/share/gcc-4.6
--with-local-prefix=/opt/local --with-system-zlib --disable-nls
--program-suffix=-4.6 --enable-version-specific-runtime-libs
--with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local
--with-ppl=/opt/local --with-cloog=/opt/local --enable-plugin
--enable-decimal-float --enable-concept-checks --enable-fully-dynamic-string
--enable-libstdcxx-debug
--
Summary: Building with "--enable-libstdcxx-debug" fails during
install
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: manphiz at gmail dot com
GCC build triplet: x86_64-apple-darwin10
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45711
