http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50917
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: unassig...@gcc.gnu.org
ReportedBy: mar...@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=\"Linux3.1\"
-DOSARCH=Linux -DXPCOM_GLUE -DTARGET_XPCOM_ABI=\"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-offsetof
-Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -march=native
-ffunction-sections -fdata-sections -fvisibility-inlines-hidden -fpermissive
-Wno-delete-non-virtual-dtor -fno-exceptions -fno-strict-aliasing -std=gnu++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 ‘nsresult XPCOMGlueLoad(const char*, nsresult (**)(XPCOMFunctions*,
const char*))’:
/var/tmp/mozilla-central/xpcom/glue/standalone/nsGlueLinkingDlopen.cpp:231:68:
error: unable to find user-defined string literal operator ‘operator""
MOZ_DLL_SUFFIX’
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=gnu++0x
