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Have never seen this before, please any insight would be great.
==> Making package: libc++ 7.0.0-1 (Sun 02 Dec 2018 03:32:42 PM EST)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
-> Found llvm-7.0.0.src.tar.xz
-> Found llvm-7.0.0.src.tar.xz.sig
-> Found libcxx-7.0.0.src.tar.xz
-> Found libcxx-7.0.0.src.tar.xz.sig
-> Found libcxxabi-7.0.0.src.tar.xz
-> Found libcxxabi-7.0.0.src.tar.xz.sig
==> Validating source files with sha512sums...
llvm-7.0.0.src.tar.xz ... Passed
llvm-7.0.0.src.tar.xz.sig ... Skipped
libcxx-7.0.0.src.tar.xz ... Passed
libcxx-7.0.0.src.tar.xz.sig ... Skipped
libcxxabi-7.0.0.src.tar.xz ... Passed
libcxxabi-7.0.0.src.tar.xz.sig ... Skipped
==> Verifying source file signatures with gpg...
llvm-7.0.0.src.tar.xz ... Passed
libcxx-7.0.0.src.tar.xz ... Passed
libcxxabi-7.0.0.src.tar.xz ... Passed
==> Extracting sources...
==> Starting prepare()...
==> Starting build()...
CMake Deprecation Warning at CMakeLists.txt:14 (cmake_policy):
The OLD behavior for policy CMP0051 will be removed from a future version
of CMake.
The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
-- The C compiler identification is Clang 7.0.0
-- The CXX compiler identification is Clang 7.0.0
-- The ASM compiler identification is Clang
-- Found assembler: /usr/bin/clang
-- Check for working C compiler: /usr/bin/clang
-- Check for working C compiler: /usr/bin/clang -- broken
CMake Error at /usr/share/cmake-3.12/Modules/CMakeTestCCompiler.cmake:52 (message):
The C compiler
"/usr/bin/clang"
is not able to compile a simple test program.
It fails with the following output:
Change Dir: /tmp/trizen-dustin/libc++/src/build/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/ninja" "cmTC_4756e"
[1/2] Building C object CMakeFiles/cmTC_4756e.dir/testCCompiler.c.o
[2/2] Linking C executable cmTC_4756e
FAILED: cmTC_4756e
: && /usr/bin/clang -march=native -mtune=native -O2 -pipe -fstack-protector-strong -mfpmath=sse -fopenmp -fomit-frame-pointer -pipe -fno-unwind-tables -fno-asynchronous-unwind-tables -Wl,-O1,--sort-common,--as-needed,-z,relro CMakeFiles/cmTC_4756e.dir/testCCompiler.c.o -o cmTC_4756e && :
/usr/bin/ld: cannot find -lomp
clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:50 (project)
-- Configuring incomplete, errors occurred!
See also "/tmp/trizen-dustin/libc++/src/build/CMakeFiles/CMakeOutput.log".
See also "/tmp/trizen-dustin/libc++/src/build/CMakeFiles/CMakeError.log".
==> ERROR: A failure occurred in build().
Aborting...
:: Unable to build libc++abi - makepkg exited with code: 4
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First, post properly formatted errors using the "code" bbcode.
Second,
: && /usr/bin/clang -march=native -mtune=native -O2 -pipe -fstack-protector-strong -mfpmath=sse -fopenmp -fomit-frame-pointer -pipe -fno-unwind-tables -fno-asynchronous-unwind-tables -Wl,-O1,--sort-common,--as-needed,-z,relro CMakeFiles/cmTC_4756e.dir/testCCompiler.c.o -o cmTC_4756e && : /usr/bin/ld: cannot find -lomp clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
Do explain where these CFLAGS came from, please. Especially why you are passing -fopenmp here.
Managing AUR repos The Right Way -- aurpublish (now a standalone tool)
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Please edit your post to add code tags.
"UNIX is simple and coherent..." - Dennis Ritchie, "GNU's Not UNIX" - Richard Stallman
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