The patches to gcc/auto-profile.c and gcc/graphite-isl-ast-to-gimple.c
that were part of files/patch-libc++ have now been backported upstream
into this snapshot (in similar form) and thus can (and need to) be
removed.
by default (and guarded by the GRAPHITE option).
Now that we have both GCC 6 and GCC 7 in the tree and GCC 5 is going end
of live upstream soon, remove Graphite support from the GCC 5-related
ports. Anyone using Graphite is better served by the newer versions of
GCC.
Like with lang/gcc5, now that the default version of GCC in the tree is
GCC 6, remove Java support (incl. the JAVA option) from this port after
we disabled this by default with r442910 three months ago already.
Adjust JAVA_USES to require python (also at run time), not just
python:build.
And, most importantly, remove headers being created by GCC's
fixincludes machinery from the installation / packaging to avoid
breakage when FreeBSD's headers are changing afterwards. Several
fellow committers have strongly indicated that our headers do not
need the kind of fixing (or "fixing") that GCC performs.
No longer default to building GCJ/libgcj on any platform, that is,
option JAVA no longer is the default anywhere. lang/gcc5 retains
this for the time beingand until the default version of GCC has
switched to GCC 6, at which point lang/gcc6 (and lang/gcc6-devel)
shall remain be the last port providing that.
Adjust WWW reference in pkg-descr to https and avoid a trailing slash.
There are two cases:
- The upstream versionning is compatible with our versionning, or using
DISTVERSION's magic leads to a compatible PORTVERSION, use
DISTVERSION. If it is possible to use DISTVERSIONPREFIX and
DISTVERSIONSUFFIX to make it compatible, use them.
- The upstream versionning is not compatible with our versionning, and
DISTVERSION's magic does not lead to a correct PORTVERSION, then set
PORTVERSION to the equivalent of our versionning, and set DISTNAME.
It is possible to use a third variable where you store upstream's
version and use it to compute PORTVERSION and/or DISTNAME, like the
dns/bind9* ports do.
Sponsored by: Absolight
Collection (requested by USE_GCC=yes and various USES=compiler
invocations) from GCC 4.9.4 to GCC 5.4.
files/patch-arm-support and files/patch-gcc_system.h have become
obsolete. New patches files/patch-arm-unwind-cxx-support and
files/patch-libc++ help support arm targets and new libc++ in base.
ONLY_FOR_ARCHS now also includes arm.
A new option GRAPHITE_DESC, off by default for now, adds support for
Graphite loop optimizations.
Finally, conflicts with other lang/gcc* ports are adjusted suitably.
In terms of changes for users, this upgrade brings the following:
The default mode for C is now -std=gnu11 instead of -std=gnu89.
New warning options -Wc90-c99-compat and -Wc99-c11-compat may
prove useful on that front.
The C++ front end now has full C++14 language support including
C++14 variable templates, C++14 aggregates with non-static data
member initializers, C++14 extended constexpr, and more.
The Standard C++ Library (libstdc++) has full C++11 support and
experimental full C++14 support. It uses a new ABI by default.
There have been significant improvements to inter-procedural optimizations
and link-time optimization such as One Definition Rule based merging of C++
types as well as register allocation.
OpenMP 4.0 specification offloading features are now supported by the C,
C++, and Fortran compilers. Cilk Plus, an extension to the C and C++
languages to support data and task parallelism, has been added as well.
New warning options -Wswitch-bool, -Wlogical-not-parentheses,
-Wbool-compare and -Wsizeof-array-argument may prove useful as
may new preprocessor directives __has_include, __has_include_next,
and __has_attribute.
GCC can now be built as a shared library for embedding in other processes
(such as interpreters), suitable for Just-In-Time compilation to machine
code. This provides a C API and a C++ wrapper API.
Many code generation improvements for AArch64, ARM, support for
AVX-512{BW,DQ,VL,IFMA,VBMI} and Intel MPX on x86-64, and generally
improvements on many targets.
The Local Register Allocator (LRA) now contains a rematerialization
subpass and is able to reuse the PIC hard register on x86/x86-64 to
improve performance of position independent code.
https://gcc.gnu.org/gcc-5/changes.html has a more extensive set of
changes and https://gcc.gnu.org/gcc-5/porting_to.html has a solid
overview of issue you may encountering porting to this new version.
PR: 216707, 218125
Tested by: antoine (-exp runs)
Supported by: jbeich, tcberner, and others
locale set by the user. Add LANG=C and LC_ALL=C at the beginning of
bsd.port.mk and export them so all commands are executed with the C locale.
LC_ALL=C overrides all other LC_* variables. LANG is used by setlocale(3)
as default value for LC_* variables, so normally it isn't used when LC_ALL
is set, but there's code out there that looks at LANG directly so it's safer
to set it as well. The only commands not captured by this are !=
assignments before any inclusion of bsd.port.*mk.
Introduce USE_LOCALE=<locale> that adds LANG=<locale> and LC_ALL=<locale> to
CONFIGURE_ENV and MAKE_ENV so upstream build systems can be executed with a
different locale (e.g. USE_LOCALE=en_US.UTF-8).
PR: 215882
Exp-run by: antoine
Approved by: portmgr (antoine)
