On Wed, Jan 30, 2019 at 02:29:18PM -0500, George Koehler wrote: > To Marc Epsie (x11/qt4 maintainer) and ports list, > > The attached qt4-gcc8.diff is a set of patches for x11/qt4 to build it > with lang/gcc/8 in OpenBSD ports. This is the same diff that I mailed > on 19 Jan, but I got an error from the mailer daemon, and I didn't > resend qt4-gcc8.diff until now. My diff is missing the REVISION bump. > > For now, OpenBSD only uses ports-gcc 4.9 or clang, so nothing is > broken. If, in the future, OpenBSD would switch ports-gcc from 4.9 > to a newer version, then ports-gcc arches will fail to build qt4. > The last release of qt4 was in 2015; the code is old; most problems > are in qt4's old WebKit. > > I am using this diff on powerpc with gcc-8.2.0p0 to package qt4 and > build ports that depend on qt4. I use lang/gcc/8 as ports-gcc by > editing infrastructure/mk/gcc4.port.mk (MODGCC4_VERSION?=8) and > devel/llvm/Makefile (GCC_VER = 8.2.0). > > I also tested this diff on amd64 with gcc-4.9.4p15, gcc-8.2.0p0, and > base-clang 6. (To use ports-gcc, I did something like `make prepare` > then `make package COMPILER=ports-gcc`. The package built with gcc is > probably bad because I'm mixing libestdc++ from ports-gcc with libc++ > from base-clang.) I didn't try to build qt4 with base-gcc. > > The new chunk in patch-configure allows gcc >= 6 to build QtWebKit. > The other patches fix compiler errors. My patch comments mention > "gcc 6" because I used the patches with lang/gcc/6 before I switched > to gcc 8. The only change from gcc 6 to 8 was to edit > patch*HashSet_h; I didn't try gcc 6 with this edit. > > Other distros (like Debian and NetBSD) probably have qt4 patches for > newer gcc. It might be better to use their patches instead of mine.
On that point, debian is planning to remove qt4 from the upcoming stable: https://lists.debian.org/debian-devel-announce/2017/08/msg00006.html https://wiki.debian.org/Qt4Removal
