Public bug reported:
Steps to reproduce:
$ mkdir foo
$ echo "template<typename C> struct Blubber {};" > foo/foo.h
$ echo "#include \"foo.h\"" > foo.cpp
$ arm-none-eabi-g++ -isystem /home/andreas/foo/ foo.cpp -o FOO
In file included from foo.cpp:1:0:
/home/andreas/foo/foo.h:1:1: error: template with C linkage
template<typename C> struct Blubber {};
^~~~~~~~
$ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
$ apt-cache policy gcc-arm-none-eabi
gcc-arm-none-eabi:
Installed: 15:6.3.1+svn253039-1build1
Candidate: 15:6.3.1+svn253039-1build1
Version table:
*** 15:6.3.1+svn253039-1build1 500
500 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
100 /var/lib/dpkg/status
The compiler package is usually used in conjunction with newlib and
libstdc++-arm-none-eabi-newlib so the C library being used is c++ aware.
** Affects: gcc-arm-none-eabi (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "enable NO_IMPLICIT_EXTERN_C"
https://bugs.launchpad.net/bugs/1789395/+attachment/5181685/+files/enable-no-implicit-extern-c.patch
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https://bugs.launchpad.net/bugs/1789395
Title:
NO_IMPLICIT_EXTERN_C is not set - leads to C++ compilation errors
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