http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55472
Bug #: 55472
Summary: Linker cannot find lambda symbol
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: walker_...@yahoo.com
Created attachment 28781
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28781
Test Case
gcc -v:
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro
4.7.2-4precise1' --with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686
--with-tune=generic --enable-checking=release --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-4precise1)
build command: g++ -Wall -Wextra -std=c++11 -o lambda lambda.cpp
linker output:
/tmp/ccbAcPGU.o: In function `Foo::Foo(std::function<void
()>)::{lambda(Foo*)#1}::operator void (*)(Foo*)() const':
lambda.cpp:(.text._ZZN3FooC1ESt8functionIFvvEEENKUlPS_E_cvPFvS3_EEv[_ZZN3FooC1ESt8functionIFvvEEENKUlPS_E_cvPFvS3_EEv]+0x9):
undefined reference to `Foo::Foo(std::function<void
()>)::{lambda(Foo*)#1}::_FUN(Foo*)'
collect2: error: ld returned 1 exit status
