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From: "markus at trippelsdorf dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/50917] New: [4.7 Regression] Mozilla build fails because of C++11 user-defined literals
Date: Sun, 30 Oct 2011 08:15:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D50917

             Bug #: 50917
           Summary: [4.7 Regression] Mozilla build fails because of C++11
                    user-defined literals
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: markus@trippelsdorf.de


Mozilla fails to build because of the recently merged C++11 user-defined
literals implementation:
c++ -o nsGlueLinkingDlopen.i_o -c -I../../../dist/system_wrappers -include
/var/tmp/mozilla-central/config/gcc_hidden.h -DOSTYPE=3D\"Linux3.1\"
-DOSARCH=3DLinux -DXPCOM_GLUE -DTARGET_XPCOM_ABI=3D\"x86_64-gcc3\"
-I/var/tmp/mozilla-central/xpcom/glue/standalone/../../build
-I/var/tmp/mozilla-central/xpcom/glue/standalone -I. -I../../../dist/include
-I../../../dist/include/nsprpub -I/usr/include/nspr -I/usr/include/nss -fPIC
-fno-rtti -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth
-Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offs=
etof
-Wno-variadic-macros -Werror=3Dreturn-type -pedantic -Wno-long-long -march=
=3Dnative
-ffunction-sections -fdata-sections -fvisibility-inlines-hidden -fpermissive
-Wno-delete-non-virtual-dtor -fno-exceptions -fno-strict-aliasing -std=3Dgn=
u++0x
-pthread -ffunction-sections -fdata-sections -pipe -DNDEBUG -DTRIMMED
-fprofile-generate -O3 -fomit-frame-pointer -DMOZILLA_CLIENT -include
../../../mozilla-config.h -MD -MF .deps/nsGlueLinkingDlopen.pp
/var/tmp/mozilla-central/xpcom/glue/standalone/nsGlueLinkingDlopen.cpp

/var/tmp/mozilla-central/xpcom/glue/standalone/nsGlueLinkingDlopen.cpp: In
function =E2=80=98nsresult XPCOMGlueLoad(const char*, nsresult (**)(XPCOMFu=
nctions*,
const char*))=E2=80=99:
/var/tmp/mozilla-central/xpcom/glue/standalone/nsGlueLinkingDlopen.cpp:231:=
68:
error: unable to find user-defined string literal operator =E2=80=98operato=
r""
MOZ_DLL_SUFFIX=E2=80=99

xpcom/glue/standalone/nsGlueLinkingDlopen.cpp:231:
snprintf(lastSlash, MAXPATHLEN - strlen(xpcomDir), "/" XUL_DLL);

./moz-build-dir/mozilla-config.h
#define MOZ_DLL_SUFFIX ".so"

./xpcom/build/nsXPCOMPrivate.h:
#define XUL_DLL   "libxul"MOZ_DLL_SUFFIX

Please note that they're using -std=3Dgnu++0x