On Mon, Mar 30, 2020 at 07:50:48PM +0200, Jakub Jelinek wrote:
> On Mon, Mar 30, 2020 at 11:34:15AM -0600, Nathanael D. Noblet wrote:
> > I have a project that isn't part of Fedora yet - though really I
> > should add it at this point. Its php-cpp. It allows me to write c++
> > extensions for PHP. Its worked well for a couple years. I upgraded to
> > F32 beta and now when compiling anything that includes its headers
> > compilation fails and I'm not entirely sure why.
> >
> > g++ -MT pdf-image.o -MMD -MP -MF .d/pdf-image.Td -Wall -g -c -O2
> > -std=c++11 -fPIC `pkg-config poppler-cpp fontconfig openssl --
> > cflags` -DVERSION=\"0.11.16\" -c -o pdf-image.o pdf-image.cpp
> > In file included from /usr/include/phpcpp.h:38,
> > from pdf-image.cpp:8:
> > /usr/include/phpcpp/throwable.h:29:1: error: expected class-name before
> > ‘{’ token
> >
> > I've attached the header. Any gcc experts out there able to tell me
> > what's wrong with the header format that used to compile but no longer
> > does?
>
> Please mail me a preprocessed source instead (e.g. rerun the g++ command
> line with -save-temps option and mail pdf-image.ii the compiler creates,
> or drop -M* options and their arguments, change -c to -E and pdf-image.o
> to pdf-image.ii).
So, from the offlist posted preprocessed source, seems the TU includes the
following libstdc++ headers
#include <string>
#include <vector>
#include <memory>
#include <list>
#include <map>
#include <set>
#include <functional>
and then uses std::runtime_exception. That one is defined in <stdexcept>
header though, and is not included. Before
https://gcc.gnu.org/legacy-ml/libstdc++/2019-06/msg00032.html
change it has been included as implementation detail from headers included
in <memory>, <map> or <functional> from the above list.
So, you just need to make sure <stdexcept> is also included if you need
classes from it.
Jakub
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