Re: Attempt to update ispc

[Luya Tshimbalanga]

Please if possible. I attempt to use gcc to build it but some
dependecies are linked to clang which is beyond my skill. This compiler
blocks both embree and luxcorerender. See
https://src.fedoraproject.org/rpms/ispc

Luya


On 2019-01-25 9:02 a.m., Jonathan Wakely wrote:
> On 25/01/19 08:36 -0800, Luya Tshimbalanga wrote: >> On 2019-01-22 8:17 a.m., 
> Serge Guelton wrote: >>> >>> Hi Luya, >>>
>>> Clang does not support the -fstack-clash-protection flag. We used to
silently ignore that flag but it's no longer the case. >>> Why are you
using clang to compile the package? The safe step is to use gcc, ot if
clang is needed, to strip -fstack-clash-protection >>> from the flags
passed to clang, but that's not future-proof (clang may end up
supporting that flag). >>> >>> Hope it helps, >>> >>> Serge >>> >> >>
Upstream reason. Trying to build with gcc will fail. See the attacked >>
CMakeLists.txt from ispc-1.10.0 > > That says it wants to build with
clang, but doesn't say why building > with GCC will fail. Is it due to a
GCC bug? Is it something we can > fix? >
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Re: Attempt to update ispc

[Luya Tshimbalanga]

On 2019-01-29 12:26 p.m., Luya Tshimbalanga wrote:
> Contacting upstream about the issue, a suggestion is use the built-in
> script alloy.py to manually build llvm instead of using the stock model
> i.e. llvm-devel.
>
> https://github.com/ispc/ispc/issues/1413#issuecomment-458654316
>
> Any feedback?
>
>
> Luya
>
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Added spec file with suggested alloy.py script.


Luya

%global with_snapshot 0
%global commit e338aaaebcf0193e194b13267bc69e7a0ec4fa4d
%global shortcommit %(c=%{commit}; echo ${c:0:7})

Name:		ispc
Version:	1.10.0
%if %{with_snapshot}
Release:	0.5.git.20190102.%{shortcommit}%{?dist}
%else
Release:	2%{?dist}
%endif
Summary:	C-based SPMD programming language compiler

License:	BSD
URL:		https://ispc.github.io/
%if %{with_snapshot}
Source0:	https://github.com/%{name}/%{name}/archive/%{commit}/%{name}-%{shortcommit}.tar.gz
%else
Source0:	https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
%endif
BuildRequires:	bison
BuildRequires:	cmake
BuildRequires:	clang
BuildRequires:	doxygen
BuildRequires:	flex 
BuildRequires:	gcc-c++
BuildRequires:	llvm-devel
BuildRequires:	ncurses-devel
Requires:	python2
BuildRequires:	/usr/bin/pathfix.py
BuildRequires:	/usr/bin/python2
ExclusiveArch:	%{arm} %{ix86} x86_64
# Hardcoded path from 32-bit glibc-devel needed to build
# See https://github.com/ispc/ispc/wiki/Building-ispc:-Linux-and-Mac-OS-X
%ifarch x86_64
BuildRequires:	/usr/lib/crt1.o
%endif
BuildRequires:	zlib-devel


# Set verbose compilation and remove -Werror on Makefile
Patch:		0002-Remove-uses-of-LLVM-dump-functions-and-verbose-makefile.patch

%description
A compiler for a variant of the C programming language, with extensions for
"single program, multiple data" (SPMD) programming.

%prep
%if %{with_snapshot}
%autosetup -p1 -n %{name}-%{commit}
%else
%autosetup -p1 -n %{name}-%{version}
%endif

sed -i 's|set(CMAKE_C_COMPILER "clang")|set(CMAKE_C_COMPILER "gcc")|g' CMakeLists.txt
sed -i 's|set(CMAKE_CXX_COMPILER "clang++")|set(CMAKE_CXX_COMPILER "g++")|g' CMakeLists.txt

# Fix all Python shebangs recursively in .
pathfix.py -pni "%{__python2} %{py2_shbang_opts}" .

# Manual build llvm
allow.py -b

%build
# Disable test otherwise build fails
%cmake -DISPC_INCLUDE_TESTS=OFF \
	-DCMAKE_BUILD_TYPE=release \
	.
%make_build gcc OPT="%{optflags} -fPIC" LDFLAGS="%{__global_ldflags} -fPIC"
%install
install -Dpm 0755 %{name} %{buildroot}%{_bindir}/%{name}

%files
%license LICENSE.txt
%{_bindir}/%{name}

%changelog
* Sat Jan 19 2019 Luya Tshimbalanga  - 1.10.0-2
- Patch for Makefile and remove llvm dump

* Sat Jan 19 2019 Luya Tshimbalanga  - 1.10.0-1
- Update to 1.10.0

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.5.git.20190102.e338aaa
- Git snasphot 20190102

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.4.git.20181220.1e4bfb7
- Git snasphot 20181220

* Tue Nov 06 2018 Luya Tshimbalanga  - 1.9.3-0.3.git.20181106.3d846b
- Git snasphot 1.9.3

* Fri Jul 13 2018 Fedora Release Engineering  - 1.9.3-0.3.git.20180222.07fe054
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild

* Thu Mar 15 2018 Iryna Shcherbina  - 1.9.3-0.2.git.20180222.07fe054
- Update Python 2 dependency declarations to new packaging standards
  (See https://fedoraproject.org/wikiComponents/FinalizingFedoraSwitchtoPython3)

* Sat Mar 03 2018 Luya Tshimbalanga  - 1.9.3-0.1.git.20180222.07fe054 
- Update to 1.9.3 git snapshot
- Use new guideline versioning semantique for snapshot

* Fri Mar 02 2018 Luya Tshimbalanga  - 1.9.2-1
- Update to 1.9.2

* Wed Feb 07 2018 Fedora Release Engineering  - 1.9.1-18.git.20171023.6dc0ccc
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

* Tue Oct 24 2017 Tom Stellard  - 1.9.1-17.git.20171023.6dc0ccc
- Rebase to more current snapshot for LLVM 5.0 support.

* Wed Aug 02 2017 Fedora Release Engineering  - 1.9.1-16.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

* Wed Jul 26 2017 Fedora Release Engineering  - 1.9.1-15.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

* Thu May 25 2017 Peter Robinson  1.9.1-14.git.20170324.a618ad4
- Rebuild clang/llvm-4

* Mon May 15 2017 Fedora Release Engineering  - 1.9.1-13.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild

* Fri Mar 24 2017 Igor Gnatenko  - 1.9.1-12.git.20170324.a618ad4
- Update to git snapshot which support LLVM4

* Thu Mar 16 2017 Luya Tshimbalanga  - 1.9.1-11
- Rebuild for llvm 3.9

* Fri Feb 10 2017 Fedora Release Engineering  - 1.9.1-10
- Rebuilt for 

Re: Attempt to update ispc

[Luya Tshimbalanga]

Contacting upstream about the issue, a suggestion is use the built-in
script alloy.py to manually build llvm instead of using the stock model
i.e. llvm-devel.

https://github.com/ispc/ispc/issues/1413#issuecomment-458654316

Any feedback?


Luya

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Re: Attempt to update ispc

[Luya Tshimbalanga]

Here is. Filed the bug to upstream:

https://github.com/ispc/ispc/issues/1413


Luya

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Re: Attempt to update ispc

[Fabio Valentini]

On Tue, Jan 29, 2019 at 6:03 PM Luya Tshimbalanga
 wrote:
>
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I guess the encrypted garble garble below happened by accident - you
might want to send your message again without encrypting it.

Fabio

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Re: Attempt to update ispc

[Luya Tshimbalanga]

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Re: Attempt to update ispc

[Florian Weimer]

* Dridi Boukelmoune:

>> I've seen this errror before. It's uusally caused by upstream accidentally 
>> overriding CFLAGS instead appending to already set CFLAGS, which breaks 
>> fedora builds. Look for something like "set *CFLAGS* (foo bar)" in 
>> CMakeLists.txt files, and change it to *append* to the already existing 
>> value (coming from fedora settings), instead of overriding it.
>
> Actually, upstream should prepend its own CFLAGS et al to give
> precedence to user-defined flags.

The ispc compiler unfortunately has a completely different command line
syntax from what we use in CFLAGS, so this is not going to work anyway.

Thanks,
Florian
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Re: Attempt to update ispc

[Dridi Boukelmoune]

> I've seen this errror before. It's uusally caused by upstream accidentally 
> overriding CFLAGS instead appending to already set CFLAGS, which breaks 
> fedora builds. Look for something like "set *CFLAGS* (foo bar)" in 
> CMakeLists.txt files, and change it to *append* to the already existing value 
> (coming from fedora settings), instead of overriding it.

Actually, upstream should prepend its own CFLAGS et al to give
precedence to user-defined flags.

Dridi
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Re: Attempt to update ispc

[Florian Weimer]

* Luya Tshimbalanga:

> I managed to resolve some issue but now the problem is related to the
> hardened part:
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=32324093
>
> Here is the following lines for the failure:
>
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse2.o: relocation R_X86_64_32
> against symbol
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_sse2'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse4.o: relocation R_X86_64_32S
> against `.rodata.cst16' can not be used when making a PIE object;
> recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx.o: relocation R_X86_64_32
> against symbol
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx2.o: relocation R_X86_64_32S
> against `.rodata.cst32' can not be used when making a PIE object;
> recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512knl.o: relocation
> R_X86_64_32 against symbol
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512knl'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512skx.o: relocation
> R_X86_64_32 against symbol
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512skx'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: final link failed: nonrepresentable section on
> output
> BUILDSTDERR: collect2: error: ld returned 1 exit status
> BUILDSTDERR: make[2]: ***
> [examples/deferred/CMakeFiles/deferred_shading.dir/build.make:204:
> bin/deferred_shading] Error 1
> BUILDSTDERR: make[1]: *** [CMakeFiles/Makefile2:370:
> examples/deferred/CMakeFiles/deferred_shading.dir/all] Error 2
> BUILDSTDERR: make: *** [Makefile:133: all] Error 2

I tried to build with --pic, using the attached patch, but got this:

[ 68%] Generating perfbench_ispc.h, perfbench_ispc.o, perfbench_ispc_sse2.h, 
perfbench_ispc_sse2.o, perfbench_ispc_sse4.h, perfbench_ispc_sse4.o, 
perfbench_ispc_avx.h, perfbench_ispc_avx.o, perfbench_ispc_avx2.h, 
perfbench_ispc_avx2.o, perfbench_ispc_avx512knl.h, perfbench_ispc_avx512knl.o, 
perfbench_ispc_avx512skx.h, perfbench_ispc_avx512skx.o
cd /builddir/build/BUILD/ispc-1.10.0/examples/perfbench && ../../bin/ispc 
/builddir/build/BUILD/ispc-1.10.0/examples/perfbench/perfbench.ispc --pic 
--target=sse2-i32x4,sse4-i32x4,avx1-i32x8,avx2-i32x8,avx512knl-i32x16,avx512skx-i32x16
 --arch=x86-64 -h 
/builddir/build/BUILD/ispc-1.10.0/examples/perfbench/perfbench_ispc.h -o 
/builddir/build/BUILD/ispc-1.10.0/examples/perfbench/perfbench_ispc.o
make[2]: Leaving directory '/builddir/build/BUILD/ispc-1.10.0'
BUILDSTDERR: /builddir/build/BUILD/ispc-1.10.0/src/main.cpp(353): FATAL ERROR: 
Unhandled signal sent to process; terminating.
BUILDSTDERR: ***
BUILDSTDERR: *** Please file a bug report at https://github.com/ispc/ispc/issues
BUILDSTDERR: *** (Including as much information as you can about how to 
reproduce this error).
BUILDSTDERR: *** You have apparently encountered a bug in the compiler that 
we'd like to fix!
BUILDSTDERR: ***
BUILDSTDERR: make[2]: *** 
[examples/perfbench/CMakeFiles/perfbench.dir/build.make:65: 
examples/perfbench/perfbench_ispc.h] Aborted (core dumped)

This looks like something upstream needs to investigate. 8-(

Thanks,
Florian

The examples are linked as PIE, so position-independent code is needed.
ispc only supports --pic, so use that.

diff --git a/examples/cmake/AddISPCExample.cmake 
b/examples/cmake/AddISPCExample.cmake
index dbd80e7643b9f803..a88d2e5279fad32a 100644
--- a/examples/cmake/AddISPCExample.cmake
+++ b/examples/cmake/AddISPCExample.cmake
@@ -93,7 +93,7 @@ function(add_ispc_example)
 endif()
 # ISPC command
 add_custom_command(OUTPUT ${ISPC_BUILD_OUTPUT}
-COMMAND ${ISPC_EXECUTABLE} 
${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc ${example_ISPC_FLAGS} 
--target=${ISPC_TARGETS} --arch=${ISPC_ARCH}
+COMMAND ${ISPC_EXECUTABLE} 
${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc ${example_ISPC_FLAGS} --pic 
--target=${ISPC_TARGETS} --arch=${ISPC_ARCH}
 -h ${ISPC_HEADER_NAME} -o ${ISPC_OBJ_NAME}
 VERBATIM
 DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc")
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Re: Attempt to update ispc

[Fabio Valentini]

On Tue, Jan 29, 2019, 05:21 Luya Tshimbalanga  I managed to resolve some issue but now the problem is related to the
> hardened part:
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=32324093
>
> Here is the following lines for the failure:
>
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse2.o: relocation R_X86_64_32
> against symbol
>
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_sse2'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse4.o: relocation R_X86_64_32S
> against `.rodata.cst16' can not be used when making a PIE object;
> recompile with -fPIC
>

I've seen this errror before. It's uusally caused by upstream accidentally
overriding CFLAGS instead appending to already set CFLAGS, which breaks
fedora builds. Look for something like "set *CFLAGS* (foo bar)" in
CMakeLists.txt files, and change it to *append* to the already existing
value (coming from fedora settings), instead of overriding it.

Fabio

BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx.o: relocation R_X86_64_32
> against symbol
>
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx2.o: relocation R_X86_64_32S
> against `.rodata.cst32' can not be used when making a PIE object;
> recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512knl.o: relocation
> R_X86_64_32 against symbol
>
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512knl'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512skx.o: relocation
> R_X86_64_32 against symbol
>
> `RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512skx'
> can not be used when making a PIE object; recompile with -fPIC
> BUILDSTDERR: /usr/bin/ld: final link failed: nonrepresentable section on
> output
> BUILDSTDERR: collect2: error: ld returned 1 exit status
> BUILDSTDERR: make[2]: ***
> [examples/deferred/CMakeFiles/deferred_shading.dir/build.make:204:
> bin/deferred_shading] Error 1
> BUILDSTDERR: make[1]: *** [CMakeFiles/Makefile2:370:
> examples/deferred/CMakeFiles/deferred_shading.dir/all] Error 2
> BUILDSTDERR: make: *** [Makefile:133: all] Error 2
>
>
>
> Luya
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Re: Attempt to update ispc

[Luya Tshimbalanga]

I managed to resolve some issue but now the problem is related to the
hardened part:

https://koji.fedoraproject.org/koji/taskinfo?taskID=32324093

Here is the following lines for the failure:

BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse2.o: relocation R_X86_64_32
against symbol
`RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_sse2'
can not be used when making a PIE object; recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: kernels_ispc_sse4.o: relocation R_X86_64_32S
against `.rodata.cst16' can not be used when making a PIE object;
recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx.o: relocation R_X86_64_32
against symbol
`RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx'
can not be used when making a PIE object; recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx2.o: relocation R_X86_64_32S
against `.rodata.cst32' can not be used when making a PIE object;
recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512knl.o: relocation
R_X86_64_32 against symbol
`RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512knl'
can not be used when making a PIE object; recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: kernels_ispc_avx512skx.o: relocation
R_X86_64_32 against symbol
`RenderTile___uniuniREFs_5B_unInputHeader_5D_REFs_5B_unInputDataArrays_5D_uniun_3C_unT_3E_un_3C_unT_3E_un_3C_unT_3E_avx512skx'
can not be used when making a PIE object; recompile with -fPIC
BUILDSTDERR: /usr/bin/ld: final link failed: nonrepresentable section on
output
BUILDSTDERR: collect2: error: ld returned 1 exit status
BUILDSTDERR: make[2]: ***
[examples/deferred/CMakeFiles/deferred_shading.dir/build.make:204:
bin/deferred_shading] Error 1
BUILDSTDERR: make[1]: *** [CMakeFiles/Makefile2:370:
examples/deferred/CMakeFiles/deferred_shading.dir/all] Error 2
BUILDSTDERR: make: *** [Makefile:133: all] Error 2



Luya
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Re: Attempt to update ispc

[Florian Weimer]

* Luya Tshimbalanga:

> On 2019-01-27 2:00 p.m., Florian Weimer wrote:
>> * Luya Tshimbalanga:
>>
>>> On 2019-01-26 12:24 a.m., Dominik 'Rathann' Mierzejewski wrote:
 I would try patching out the clang requirement from CMakeLists
 and building with system gcc.

 Regards,
 Dominik
>>> Done. Unfortunately, the build failed as the compiler still remains
>>> clang and finding the cause is beyond my knowledge. Here is the resulted
>>> scratch build:
>>>
>>>
>>> https://koji.fedoraproject.org/koji/taskinfo?taskID=32277096
>> Which sources are you building? Nothing like this is on the master
>> branch on src.fedoraproject.org.
>>
>> Thanks,
>> Florian
> I avoided committing the update as I preferred to do a scratch-build
> hence the link from koji.
> Realizing the change can be seen on the master branch on
> src.fedoraproject.org, I applied the update for view:
> https://src.fedoraproject.org/rpms/ispc/blob/master/f/ispc.spec

Sorry, the rawhide build now fails for me with:

m4 -Ibuiltins/ -DLLVM_VERSION=LLVM_7_0 -DBUILD_OS=UNIX builtins/dispatch.ll | 
python bitcode2cpp.py builtins/dispatch.ll > objs/builtins-dispatch.cpp
BUILDSTDERR: /bin/sh: python: command not found
BUILDSTDERR: make: *** [Makefile:330: objs/builtins-dispatch.cpp] Error
127

This looks completely unrelated to clang.

Thanks,
Florian
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Re: Attempt to update ispc

[Luya Tshimbalanga]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2019-01-27 2:00 p.m., Florian Weimer wrote:
> * Luya Tshimbalanga:
>
>> On 2019-01-26 12:24 a.m., Dominik 'Rathann' Mierzejewski wrote:
>>> I would try patching out the clang requirement from CMakeLists
>>> and building with system gcc.
>>>
>>> Regards,
>>> Dominik
>> Done. Unfortunately, the build failed as the compiler still remains
>> clang and finding the cause is beyond my knowledge. Here is the resulted
>> scratch build:
>>
>>
>> https://koji.fedoraproject.org/koji/taskinfo?taskID=32277096
> Which sources are you building? Nothing like this is on the master
> branch on src.fedoraproject.org.
>
> Thanks,
> Florian
I avoided committing the update as I preferred to do a scratch-build
hence the link from koji.
Realizing the change can be seen on the master branch on
src.fedoraproject.org, I applied the update for view:
https://src.fedoraproject.org/rpms/ispc/blob/master/f/ispc.spec

I figured that gcc parameter was missing on %make_build and the failure
occurred on python line despite the available dependency:
https://koji.fedoraproject.org/koji/taskinfo?taskID=32307602

Luya
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Re: Attempt to update ispc

[Florian Weimer]

* Luya Tshimbalanga:

> On 2019-01-26 12:24 a.m., Dominik 'Rathann' Mierzejewski wrote:
>>
>> I would try patching out the clang requirement from CMakeLists
>> and building with system gcc.
>>
>> Regards,
>> Dominik
>
> Done. Unfortunately, the build failed as the compiler still remains
> clang and finding the cause is beyond my knowledge. Here is the resulted
> scratch build:
>
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=32277096

Which sources are you building?  Nothing like this is on the master
branch on src.fedoraproject.org.

Thanks,
Florian
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Re: Attempt to update ispc

[Luya Tshimbalanga]

On 2019-01-26 12:24 a.m., Dominik 'Rathann' Mierzejewski wrote:
>
> I would try patching out the clang requirement from CMakeLists
> and building with system gcc.
>
> Regards,
> Dominik

Done. Unfortunately, the build failed as the compiler still remains
clang and finding the cause is beyond my knowledge. Here is the resulted
scratch build:


https://koji.fedoraproject.org/koji/taskinfo?taskID=32277096


Luya

%global with_snapshot 0
%global commit e338aaaebcf0193e194b13267bc69e7a0ec4fa4d
%global shortcommit %(c=%{commit}; echo ${c:0:7})

Name:		ispc
Version:	1.10.0
%if %{with_snapshot}
Release:	0.5.git.20190102.%{shortcommit}%{?dist}
%else
Release:	1%{?dist}
%endif
Summary:	C-based SPMD programming language compiler

License:	BSD
URL:		https://ispc.github.io/
%if %{with_snapshot}
Source0:	https://github.com/%{name}/%{name}/archive/%{commit}/%{name}-%{shortcommit}.tar.gz
%else
Source0:	https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
%endif
BuildRequires:	llvm-devel
BuildRequires:	clang-devel
BuildRequires:	gcc-c++
BuildRequires:	cmake
BuildRequires:	bison
BuildRequires:	doxygen
BuildRequires:	flex 
BuildRequires:	ncurses-devel
ExclusiveArch:	%{arm} %{ix86} x86_64
# Hardcoded path from 32-bit glibc-devel needed to build
# See https://github.com/ispc/ispc/wiki/Building-ispc:-Linux-and-Mac-OS-X
%ifarch x86_64
BuildRequires:	/usr/lib/crt1.o
%endif
BuildRequires:	zlib-devel
# Conditional build for f24 and less
%if 0%{?fedora} < 25 || 0%{?rhel} < 7
BuildRequires:	python2-devel
%else
BuildRequires:	python3-devel
%endif
# Set verbose compilation and remove -Werror on Makefile
#Patch0:		Makefile.patch
#Patch1:		0001-Remove-uses-of-LLVM-dump-functions.patch

%description
A compiler for a variant of the C programming language, with extensions for
"single program, multiple data" (SPMD) programming.

%prep
%if %{with_snapshot}
%autosetup -n %{name}-%{commit}
%else
%autosetup -n %{name}-%{version}
%endif

sed -i 's|set(CMAKE_C_COMPILER "clang")|set(CMAKE_C_COMPILER "gcc")|g' CMakeLists.txt
sed -i 's|set(CMAKE_CXX_COMPILER "clang++")|set(CMAKE_CXX_COMPILER "g++")|g' CMakeLists.txt

%build
mkdir build
pushd build
# Disable test otherwise build fails
%cmake -DISPC_INCLUDE_TESTS=OFF \
	..
popd
%make_build
%install
install -Dpm 0755 %{name} %{buildroot}%{_bindir}/%{name}

%files
%license LICENSE.txt
%{_bindir}/%{name}

%changelog
* Sat Jan 19 2019 Luya Tshimbalanga  - 1.10.0
- Update to 1.10.0

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.5.git.20190102.e338aaa
- Git snasphot 20190102

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.4.git.20181220.1e4bfb7
- Git snasphot 20181220

* Tue Nov 06 2018 Luya Tshimbalanga  - 1.9.3-0.3.git.20181106.3d846b
- Git snasphot 1.9.3

* Fri Jul 13 2018 Fedora Release Engineering  - 1.9.3-0.3.git.20180222.07fe054
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild

* Thu Mar 15 2018 Iryna Shcherbina  - 1.9.3-0.2.git.20180222.07fe054
- Update Python 2 dependency declarations to new packaging standards
  (See https://fedoraproject.org/wikiComponents/FinalizingFedoraSwitchtoPython3)

* Sat Mar 03 2018 Luya Tshimbalanga  - 1.9.3-0.1.git.20180222.07fe054 
- Update to 1.9.3 git snapshot
- Use new guideline versioning semantique for snapshot

* Fri Mar 02 2018 Luya Tshimbalanga  - 1.9.2-1
- Update to 1.9.2

* Wed Feb 07 2018 Fedora Release Engineering  - 1.9.1-18.git.20171023.6dc0ccc
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

* Tue Oct 24 2017 Tom Stellard  - 1.9.1-17.git.20171023.6dc0ccc
- Rebase to more current snapshot for LLVM 5.0 support.

* Wed Aug 02 2017 Fedora Release Engineering  - 1.9.1-16.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

* Wed Jul 26 2017 Fedora Release Engineering  - 1.9.1-15.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

* Thu May 25 2017 Peter Robinson  1.9.1-14.git.20170324.a618ad4
- Rebuild clang/llvm-4

* Mon May 15 2017 Fedora Release Engineering  - 1.9.1-13.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild

* Fri Mar 24 2017 Igor Gnatenko  - 1.9.1-12.git.20170324.a618ad4
- Update to git snapshot which support LLVM4

* Thu Mar 16 2017 Luya Tshimbalanga  - 1.9.1-11
- Rebuild for llvm 3.9

* Fri Feb 10 2017 Fedora Release Engineering  - 1.9.1-10
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild

* Sun Nov 06 2016 Luya Tshimbalanga  - 1.9.1-9
- Rebuilt agaisnt llvm

* Fri Aug 26 2016 Dan Horák  1.9.1-8
- set ExclusiveArch

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-7
- Added conditional build for Fedora 24- and rhel7-

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-6
- Included OPT and LDFLAGS on build line

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-5
- Improved patch to remove -Werror line
- Removed unecesary CXXFLAGS and LDFLAGS on make_build line
- Removed useless llvm-config

* Sat Aug 20 2016 Luya Tshimbalanga  1.9.1-4
- Added gcc into 

Re: Attempt to update ispc

[Dominik 'Rathann' Mierzejewski]

On Saturday, 26 January 2019 at 02:20, Luya Tshimbalanga wrote:
> On 2019-01-25 9:02 a.m., Jonathan Wakely wrote:
> >
> >> Upstream reason. Trying to build with gcc will fail. See the attacked
> >> CMakeLists.txt from ispc-1.10.0
> >
> > That says it wants to build with clang, but doesn't say why building
> > with GCC will fail. Is it due to a GCC bug? Is it something we can
> > fix? 
> 
> 
> My bad as I quickly wrote before leaving to work. Here is the updated
> spec file and the result scratch build:
> 
> https://koji.fedoraproject.org/koji/taskinfo?taskID=32250196

Well, obviously existing CMakeLists file enforces the use of clang.
The developers seem to have a strong preference for clang. The issue
tracker has a couple of closed issues around this topic:

https://github.com/ispc/ispc/issues/1355
https://github.com/ispc/ispc/issues/1352

I would try patching out the clang requirement from CMakeLists
and building with system gcc.

Regards,
Dominik
-- 
Fedora   https://getfedora.org  |  RPM Fusion  http://rpmfusion.org
There should be a science of discontent. People need hard times and
oppression to develop psychic muscles.
-- from "Collected Sayings of Muad'Dib" by the Princess Irulan
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Re: Attempt to update ispc

[Luya Tshimbalanga]

On 2019-01-25 9:02 a.m., Jonathan Wakely wrote:
>
>> Upstream reason. Trying to build with gcc will fail. See the attacked
>> CMakeLists.txt from ispc-1.10.0
>
> That says it wants to build with clang, but doesn't say why building
> with GCC will fail. Is it due to a GCC bug? Is it something we can
> fix? 


My bad as I quickly wrote before leaving to work. Here is the updated
spec file and the result scratch build:

https://koji.fedoraproject.org/koji/taskinfo?taskID=32250196


Luya

%global with_snapshot 0
%global commit e338aaaebcf0193e194b13267bc69e7a0ec4fa4d
%global shortcommit %(c=%{commit}; echo ${c:0:7})

Name:		ispc
Version:	1.10.0
%if %{with_snapshot}
Release:	0.5.git.20190102.%{shortcommit}%{?dist}
%else
Release:	1%{?dist}
%endif
Summary:	C-based SPMD programming language compiler

License:	BSD
URL:		https://ispc.github.io/
%if %{with_snapshot}
Source0:	https://github.com/%{name}/%{name}/archive/%{commit}/%{name}-%{shortcommit}.tar.gz
%else
Source0:	https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
%endif
BuildRequires:	llvm-devel
BuildRequires:	gcc-c++
BuildRequires:	cmake
BuildRequires:	bison
BuildRequires:	doxygen
BuildRequires:	flex 
BuildRequires:	ncurses-devel
ExclusiveArch:	%{arm} %{ix86} x86_64
# Hardcoded path from 32-bit glibc-devel needed to build
# See https://github.com/ispc/ispc/wiki/Building-ispc:-Linux-and-Mac-OS-X
%ifarch x86_64
BuildRequires:	/usr/lib/crt1.o
%endif
BuildRequires:	zlib-devel
# Conditional build for f24 and less
%if 0%{?fedora} < 25 || 0%{?rhel} < 7
BuildRequires:	python2-devel
%else
BuildRequires:	python3-devel
%endif
# Set verbose compilation and remove -Werror on Makefile
#Patch0:		Makefile.patch
#Patch1:		0001-Remove-uses-of-LLVM-dump-functions.patch

%description
A compiler for a variant of the C programming language, with extensions for
"single program, multiple data" (SPMD) programming.

%prep
%if %{with_snapshot}
%autosetup -n %{name}-%{commit}
%else
%autosetup -n %{name}-%{version}
%endif

%build
mkdir build
pushd build
%cmake -DCMAKE_CXX_COMPILER=gcc \
	-DCMAKE_CXX_COMPILER=g++ \
	..
%make_build
popd
%install
install -Dpm 0755 %{name} %{buildroot}%{_bindir}/%{name}

%files
%license LICENSE.txt
%{_bindir}/%{name}

%changelog
* Sat Jan 19 2019 Luya Tshimbalanga  - 1.10.0
- Update to 1.10.0

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.5.git.20190102.e338aaa
- Git snasphot 20190102

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.4.git.20181220.1e4bfb7
- Git snasphot 20181220

* Tue Nov 06 2018 Luya Tshimbalanga  - 1.9.3-0.3.git.20181106.3d846b
- Git snasphot 1.9.3

* Fri Jul 13 2018 Fedora Release Engineering  - 1.9.3-0.3.git.20180222.07fe054
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild

* Thu Mar 15 2018 Iryna Shcherbina  - 1.9.3-0.2.git.20180222.07fe054
- Update Python 2 dependency declarations to new packaging standards
  (See https://fedoraproject.org/wikiComponents/FinalizingFedoraSwitchtoPython3)

* Sat Mar 03 2018 Luya Tshimbalanga  - 1.9.3-0.1.git.20180222.07fe054 
- Update to 1.9.3 git snapshot
- Use new guideline versioning semantique for snapshot

* Fri Mar 02 2018 Luya Tshimbalanga  - 1.9.2-1
- Update to 1.9.2

* Wed Feb 07 2018 Fedora Release Engineering  - 1.9.1-18.git.20171023.6dc0ccc
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

* Tue Oct 24 2017 Tom Stellard  - 1.9.1-17.git.20171023.6dc0ccc
- Rebase to more current snapshot for LLVM 5.0 support.

* Wed Aug 02 2017 Fedora Release Engineering  - 1.9.1-16.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

* Wed Jul 26 2017 Fedora Release Engineering  - 1.9.1-15.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

* Thu May 25 2017 Peter Robinson  1.9.1-14.git.20170324.a618ad4
- Rebuild clang/llvm-4

* Mon May 15 2017 Fedora Release Engineering  - 1.9.1-13.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild

* Fri Mar 24 2017 Igor Gnatenko  - 1.9.1-12.git.20170324.a618ad4
- Update to git snapshot which support LLVM4

* Thu Mar 16 2017 Luya Tshimbalanga  - 1.9.1-11
- Rebuild for llvm 3.9

* Fri Feb 10 2017 Fedora Release Engineering  - 1.9.1-10
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild

* Sun Nov 06 2016 Luya Tshimbalanga  - 1.9.1-9
- Rebuilt agaisnt llvm

* Fri Aug 26 2016 Dan Horák  1.9.1-8
- set ExclusiveArch

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-7
- Added conditional build for Fedora 24- and rhel7-

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-6
- Included OPT and LDFLAGS on build line

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-5
- Improved patch to remove -Werror line
- Removed unecesary CXXFLAGS and LDFLAGS on make_build line
- Removed useless llvm-config

* Sat Aug 20 2016 Luya Tshimbalanga  1.9.1-4
- Added gcc into make_build line
- Added patch against Makefile for verbose dialog
- Use llvm-config

* Sun Aug 14 2016 Luya Tshimbalanga  1.9.1-3
- Fixed 

Re: Attempt to update ispc

[Jonathan Wakely]

On 25/01/19 08:36 -0800, Luya Tshimbalanga wrote:

On 2019-01-22 8:17 a.m., Serge Guelton wrote:


Hi Luya,

Clang does not support the -fstack-clash-protection flag. We used to silently 
ignore that flag but it's no longer the case.
Why are you using clang to compile the package? The safe step is to use gcc, ot 
if clang is needed, to strip -fstack-clash-protection
from the flags passed to clang, but that's not future-proof (clang may end up 
supporting that flag).

Hope it helps,

Serge



Upstream reason. Trying to build with gcc will fail. See the attacked
CMakeLists.txt from ispc-1.10.0


That says it wants to build with clang, but doesn't say why building
with GCC will fail. Is it due to a GCC bug? Is it something we can
fix?
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Re: Attempt to update ispc

[Luya Tshimbalanga]

On 2019-01-22 8:17 a.m., Serge Guelton wrote:
>
> Hi Luya,
>
> Clang does not support the -fstack-clash-protection flag. We used to silently 
> ignore that flag but it's no longer the case.
> Why are you using clang to compile the package? The safe step is to use gcc, 
> ot if clang is needed, to strip -fstack-clash-protection
> from the flags passed to clang, but that's not future-proof (clang may end up 
> supporting that flag).
>
> Hope it helps,
>
> Serge
>

Upstream reason. Trying to build with gcc will fail. See the attacked
CMakeLists.txt from ispc-1.10.0


Luya

#
#  Copyright (c) 2018, Intel Corporation
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are
#  met:
#
#* Redistributions of source code must retain the above copyright
#  notice, this list of conditions and the following disclaimer.
#
#* Redistributions in binary form must reproduce the above copyright
#  notice, this list of conditions and the following disclaimer in the
#  documentation and/or other materials provided with the distribution.
#
#* Neither the name of Intel Corporation nor the names of its
#  contributors may be used to endorse or promote products derived from
#  this software without specific prior written permission.
#
#
#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
#   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
#   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
#   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
#   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
#   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
#   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
#   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#
# ispc CMakeLists.txt
#
cmake_minimum_required(VERSION 3.8)

if (UNIX)
set(CMAKE_C_COMPILER "clang")
set(CMAKE_CXX_COMPILER "clang++")
endif()

set(PROJECT_NAME ispc)
set(ISPC_BUILD TRUE)
project(${PROJECT_NAME})

option(ARM_ENABLED "Enable ARM support" OFF)
option(NVPTX_ENABLED "Enable NVPTX support" OFF)
option(ISPC_INCLUDE_EXAMPLES "Generate build targets for the ISPC examples" ON)
option(ISPC_INCLUDE_TESTS "Generate build targets for the ISPC tests." ON)
option(ISPC_INCLUDE_UTILS "Generate build targets for the utils." ON)
option(ISPC_PREPARE_PACKAGE "Generate build targets for ispc package" OFF)

if (UNIX)
option(ISPC_STATIC_STDCXX_LINK "Link statically with libstdc++ and libgcc" 
OFF)
if (ISPC_PREPARE_PACKAGE AND (NOT APPLE))
option(ISPC_STATIC_LINK "Link statically" ON)
else()
option(ISPC_STATIC_LINK "Link statically" OFF)
endif()
option(ISPC_USE_ASAN "Build ispc with address sanitizer instrumentation 
using clang compiler" OFF)
endif()

# Use solution folders.
set_property(GLOBAL PROPERTY USE_FOLDERS ON)

set(OUTPUT_DEBUG Debug/bin)
set(OUTPUT_RELEASE Release/bin)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin )

if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release")
message(STATUS "Build type not specified: Use Release by default.")
endif(NOT CMAKE_BUILD_TYPE)

include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/FixWindowsPath.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/LLVMConfig.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Git.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/GenerateBuiltins.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Stdlib.cmake)

find_package(PythonInterp 2.7 REQUIRED)
if (NOT PYTHONINTERP_FOUND)
message(FATAL_ERROR "Python interpreter is not found")
endif()

find_package(BISON 2.4 REQUIRED)
if (BISON_FOUND)
set(BISON_INPUT ${CMAKE_CURRENT_SOURCE_DIR}/src/parse.yy)
set(BISON_CPP_OUTPUT 
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.cc)
set(BISON_OUTPUT 
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.hh
 
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.output)
if (WIN32)
win_path_to_cygwin(${BISON_INPUT} ${BISON_EXECUTABLE} BISON_INPUT)
endif()
add_custom_command (
OUTPUT ${BISON_CPP_OUTPUT} ${BISON_OUTPUT}
COMMAND ${BISON_EXECUTABLE} -d -t -v
--output=${BISON_CPP_OUTPUT}
${BISON_INPUT}
COMMENT "Generating parse.cc"
)
endif()

find_package(FLEX 2.5 REQUIRED)
if (FLEX_FOUND)
set(FLEX_INPUT  ${CMAKE_CURRENT_SOURCE_DIR}/src/lex.ll)
set(FLEX_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lex.cpp)
if (WIN32)

Re: Attempt to update ispc

[Serge Guelton]

On Sun, Jan 20, 2019 at 11:36:22AM -0800, Luya Tshimbalanga wrote:
> Hello team,
> 
> Upstream ispc updated to 1.10.0.  Unfortunately, the build failed with
> broken clang++ compiler according to koji  
> (https://koji.fedoraproject.org/koji/taskinfo?taskID=32150411)
> 
> Can someone investigate the issue? This package is needed by embree, a
> dependency for both Blender, luxcorerender and Yafaray.
> 
> Thanks
> 
> Luya
> 

Hi Luya,

Clang does not support the -fstack-clash-protection flag. We used to silently 
ignore that flag but it's no longer the case.
Why are you using clang to compile the package? The safe step is to use gcc, ot 
if clang is needed, to strip -fstack-clash-protection
from the flags passed to clang, but that's not future-proof (clang may end up 
supporting that flag).

Hope it helps,

Serge
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Attempt to update ispc

[Luya Tshimbalanga]

Hello team,

Upstream ispc updated to 1.10.0.  Unfortunately, the build failed with
broken clang++ compiler according to koji  
(https://koji.fedoraproject.org/koji/taskinfo?taskID=32150411)

Can someone investigate the issue? This package is needed by embree, a
dependency for both Blender, luxcorerender and Yafaray.

Thanks

Luya

%global with_snapshot 0
%global commit e338aaaebcf0193e194b13267bc69e7a0ec4fa4d
%global shortcommit %(c=%{commit}; echo ${c:0:7})

Name:		ispc
Version:	1.10.0
%if %{with_snapshot}
Release:	0.5.git.20190102.%{shortcommit}%{?dist}
%else
Release:	1%{?dist}
%endif
Summary:	C-based SPMD programming language compiler

License:	BSD
URL:		https://ispc.github.io/
%if %{with_snapshot}
Source0:	https://github.com/%{name}/%{name}/archive/%{commit}/%{name}-%{shortcommit}.tar.gz
%else
Source0:	https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
%endif
BuildRequires:	llvm-devel
BuildRequires:	clang-devel
BuildRequires:	gcc-c++
BuildRequires:	cmake
BuildRequires:	bison
BuildRequires:	doxygen
BuildRequires:	flex 
BuildRequires:	ncurses-devel
ExclusiveArch:	%{arm} %{ix86} x86_64
# Hardcoded path from 32-bit glibc-devel needed to build
# See https://github.com/ispc/ispc/wiki/Building-ispc:-Linux-and-Mac-OS-X
%ifarch x86_64
BuildRequires:	/usr/lib/crt1.o
%endif
BuildRequires:	zlib-devel
# Conditional build for f24 and less
%if 0%{?fedora} < 25 || 0%{?rhel} < 7
BuildRequires:	python2-devel
%else
BuildRequires:	python3-devel
%endif
# Set verbose compilation and remove -Werror on Makefile
# Patch0:		Makefile.patch
# Patch1:		0001-Remove-uses-of-LLVM-dump-functions.patch

%description
A compiler for a variant of the C programming language, with extensions for
"single program, multiple data" (SPMD) programming.

%prep
%if %{with_snapshot}
%autosetup -n %{name}-%{commit}
%else
%autosetup -n %{name}-%{version}
%endif

%build
mkdir build
pushd build
%cmake -DCMAKE_CXX_COMPILER=clang++ ..
popd
%make_build gcc OPT="%{optflags}" LDFLAGS="%{__global_ldflags}" 

%install
install -Dpm 0755 %{name} %{buildroot}%{_bindir}/%{name}

%files
%license LICENSE.txt
%{_bindir}/%{name}

%changelog
* Sat Jan 19 2019 Luya Tshimbalanga  - 1.10.0
- Update to 1.10.0

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.5.git.20190102.e338aaa
- Git snasphot 20190102

* Wed Dec 26 2018 Luya Tshimbalanga  - 1.9.3-0.4.git.20181220.1e4bfb7
- Git snasphot 20181220

* Tue Nov 06 2018 Luya Tshimbalanga  - 1.9.3-0.3.git.20181106.3d846b
- Git snasphot 1.9.3

* Fri Jul 13 2018 Fedora Release Engineering  - 1.9.3-0.3.git.20180222.07fe054
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild

* Thu Mar 15 2018 Iryna Shcherbina  - 1.9.3-0.2.git.20180222.07fe054
- Update Python 2 dependency declarations to new packaging standards
  (See https://fedoraproject.org/wikiComponents/FinalizingFedoraSwitchtoPython3)

* Sat Mar 03 2018 Luya Tshimbalanga  - 1.9.3-0.1.git.20180222.07fe054 
- Update to 1.9.3 git snapshot
- Use new guideline versioning semantique for snapshot

* Fri Mar 02 2018 Luya Tshimbalanga  - 1.9.2-1
- Update to 1.9.2

* Wed Feb 07 2018 Fedora Release Engineering  - 1.9.1-18.git.20171023.6dc0ccc
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

* Tue Oct 24 2017 Tom Stellard  - 1.9.1-17.git.20171023.6dc0ccc
- Rebase to more current snapshot for LLVM 5.0 support.

* Wed Aug 02 2017 Fedora Release Engineering  - 1.9.1-16.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

* Wed Jul 26 2017 Fedora Release Engineering  - 1.9.1-15.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

* Thu May 25 2017 Peter Robinson  1.9.1-14.git.20170324.a618ad4
- Rebuild clang/llvm-4

* Mon May 15 2017 Fedora Release Engineering  - 1.9.1-13.git.20170324.a618ad4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild

* Fri Mar 24 2017 Igor Gnatenko  - 1.9.1-12.git.20170324.a618ad4
- Update to git snapshot which support LLVM4

* Thu Mar 16 2017 Luya Tshimbalanga  - 1.9.1-11
- Rebuild for llvm 3.9

* Fri Feb 10 2017 Fedora Release Engineering  - 1.9.1-10
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild

* Sun Nov 06 2016 Luya Tshimbalanga  - 1.9.1-9
- Rebuilt agaisnt llvm

* Fri Aug 26 2016 Dan Horák  1.9.1-8
- set ExclusiveArch

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-7
- Added conditional build for Fedora 24- and rhel7-

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-6
- Included OPT and LDFLAGS on build line

* Tue Aug 23 2016 Luya Tshimbalanga  1.9.1-5
- Improved patch to remove -Werror line
- Removed unecesary CXXFLAGS and LDFLAGS on make_build line
- Removed useless llvm-config

* Sat Aug 20 2016 Luya Tshimbalanga  1.9.1-4
- Added gcc into make_build line
- Added patch against Makefile for verbose dialog
- Use llvm-config

* Sun Aug 14 2016 Luya Tshimbalanga  1.9.1-3
- Fixed spec
- Added missing cflags for build
- Added zlib-devel for dependency

* Sun Aug 14 2016 Luya