From f12d80983f52c64dc67997e1111d78372755b5a6 Mon Sep 17 00:00:00 2001
From: David Abdurachmanov <david.abdurachmanov@gmail.com>
Date: Wed, 23 Jan 2019 00:01:17 +0100
Subject: [PATCH] Enable D front-end and modify libphobos asserts

The patch was suggestion from Iain Buclaw (D maintainer from GCC).

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
---
 gcc.spec                |  6 ++++--
 libphobos-asserts.patch | 31 +++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 libphobos-asserts.patch

diff --git a/gcc.spec b/gcc.spec
index b76990b..3fe2a0e 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -33,7 +33,7 @@
 %else
 %global build_go 0
 %endif
-%ifarch %{ix86} x86_64 %{arm} %{mips}
+%ifarch %{ix86} x86_64 %{arm} %{mips} riscv64
 %global build_d 1
 %else
 %global build_d 0
@@ -101,7 +101,7 @@
 Summary: Various compilers (C, C++, Objective-C, ...)
 Name: gcc
 Version: %{gcc_version}
-Release: %{gcc_release}.0.riscv64%{?dist}
+Release: %{gcc_release}.davidlt.0%{?dist}
 # libgcc, libgfortran, libgomp, libstdc++ and crtstuff have
 # GCC Runtime Exception.
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
@@ -266,6 +266,7 @@ Patch17: gcc9-pr88905.patch
 Patch18: gcc9-pr88906.patch
 
 Patch30: libphobos-enable-riscv.patch
+Patch31: libphobos-asserts.patch
 
 Patch1000: nvptx-tools-no-ptxas.patch
 Patch1001: nvptx-tools-build.patch
@@ -853,6 +854,7 @@ to NVidia PTX capable devices if available.
 %patch18 -p0 -b .pr88906~
 
 %patch30 -p1 -b .libphobos-riscv~
+%patch31 -p1 -b .libphobos-asserts~
 
 cd nvptx-tools-%{nvptx_tools_gitrev}
 %patch1000 -p1 -b .nvptx-tools-no-ptxas~
diff --git a/libphobos-asserts.patch b/libphobos-asserts.patch
new file mode 100644
index 0000000..e8fc9e0
--- /dev/null
+++ b/libphobos-asserts.patch
@@ -0,0 +1,31 @@
+diff --git a/libphobos/libdruntime/core/atomic.d b/libphobos/libdruntime/core/atomic.d
+index 0b39cddb6..5a6c4b854 100644
+--- a/libphobos/libdruntime/core/atomic.d
++++ b/libphobos/libdruntime/core/atomic.d
+@@ -1353,7 +1353,7 @@ else version (GNU)
+ 
+     private bool casImpl(T,V1,V2)( shared(T)* here, V1 ifThis, V2 writeThis ) pure nothrow @nogc @trusted
+     {
+-        static assert(GNU_Have_Atomics, "cas() not supported on this architecture");
++        static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "cas() not supported on this architecture");
+         bool res = void;
+ 
+         static if (T.sizeof == byte.sizeof)
+@@ -1406,7 +1406,7 @@ else version (GNU)
+     {
+         static assert(ms != MemoryOrder.rel, "Invalid MemoryOrder for atomicLoad");
+         static assert(__traits(isPOD, T), "argument to atomicLoad() must be POD");
+-        static assert(GNU_Have_Atomics, "atomicLoad() not supported on this architecture");
++        static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "atomicLoad() not supported on this architecture");
+ 
+         static if (T.sizeof == ubyte.sizeof)
+         {
+@@ -1444,7 +1444,7 @@ else version (GNU)
+     {
+         static assert(ms != MemoryOrder.acq, "Invalid MemoryOrder for atomicStore");
+         static assert(__traits(isPOD, T), "argument to atomicLoad() must be POD");
+-        static assert(GNU_Have_Atomics, "atomicStore() not supported on this architecture");
++        static assert(GNU_Have_Atomics || GNU_Have_LibAtomic, "atomicStore() not supported on this architecture");
+ 
+         static if (T.sizeof == ubyte.sizeof)
+         {