llvm: Split openmp and LIBOMP_INSTALL_ALIASES=OFF

cross-compilers/llvm/build.sh

@@ -109,6 +109,7 @@ _cmake_config+=(-DHAVE_TERMINFO_TERMINFO=OFF)
 _cmake_config+=(-DHAVE_TERMINFO_TINFO=OFF)
 _cmake_config+=(-DHAVE_TERMIOS_H=OFF)
 _cmake_config+=(-DCLANG_ENABLE_LIBXML=OFF)
+_cmake_config+=(-DLIBOMP_INSTALL_ALIASES=OFF)
 # Once we are using our libc++ (not until llvm_build_final), it will be single-arch only and not setting
 # this causes link failures building the santizers since they respect DARWIN_osx_ARCHS. We may as well
 # save some compilation time by setting this for all of our llvm builds.
@@ -288,7 +289,7 @@ else
 fi
 
 ${SED} -i.orig '/\/clang|lld|lldb|polly\/cmake_install.cmake/d' llvm_build_final/tools/cmake_install.cmake
-${SED} -i.orig '/\/compiler-rt|libcxxabi|libcxx|libunwind|tapi\/cmake_install.cmake/d' llvm_build_final/projects/cmake_install.cmake
+${SED} -i.orig '/\/compiler-rt|libcxxabi|libcxx|libunwind|openmp|tapi\/cmake_install.cmake/d' llvm_build_final/projects/cmake_install.cmake
 
 
 # There is no way of having libc++.dylib instruct the linker to add a relative rpath, though that would be nice.

cross-compilers/llvm/install-openmp.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+. activate "${PREFIX}"
+cd "${SRC_DIR}"
+
+DEST="${PWD}"/install-openmp
+[[ -d "${DEST}" ]] && rm -rf "${DEST}"
+pushd llvm_build_final/projects/openmp
+  make install DESTDIR="${DEST}"
+popd
+pushd "${DEST}"/"${PWD}"/prefix
+  cp -Rf * "${PREFIX}"
+popd

cross-compilers/llvm/meta.yaml

@@ -211,7 +211,7 @@ outputs:
         # Involved packages were:
         # Mismatching package: llvm; consumer package: clang
         # Mismatching package: llvm; consumer package: lldb
-        - {{ pin_subpackage('llvm', min_pin='x.x.x', max_pin='x.x.x') }}
+        - {{ pin_subpackage('llvm', exact=True) }}
         - {{ pin_subpackage('compiler-rt_' ~ cross_target_platform, exact=True) }}
         # Normally, this dep would be injected via run_exports by the jinja2 compiler() function
         # but that is not possible when bootstrapping as it would cause a build dependency cycle.
@@ -243,7 +243,7 @@ outputs:
 #        # Involved packages were:
 #        # Mismatching package: llvm; consumer package: clang
 #        # Mismatching package: llvm; consumer package: lldb
-#        - {{ pin_subpackage('llvm', min_pin='x.x.x', max_pin='x.x.x') }}
+#        - {{ pin_subpackage('llvm', exact=True) }}
 #        # Normally, this dep would be injected via run_exports by the jinja2 compiler() function
 #        # but that is not possible when bootstrapping as it would cause a build dependency cycle.
 #        - {{ pin_subpackage('libcxx_' ~ cross_target_platform, exact=True) }}        # [osx]
@@ -267,7 +267,7 @@ outputs:
       run:
         - {{ pin_subpackage('clang', exact=True) }}
     run_exports:
-      - {{ pin_subpackage('libcxx_' ~ cross_target_platform) }}
+      - {{ pin_subpackage('libcxx_' ~ cross_target_platform, min_pin='x.x.x.x.x.x.x.x.x', max_pin='None') }}
     about:
       home: http://clang.llvm.org/
       license: University of Illinois/NCSA Open Source License
@@ -354,6 +354,22 @@ outputs:
         libc++abi is a new implementation of low level support for a standard
         C++ library
 
+  - name: openmp_{{ cross_target_platform }}
+    script: install-openmp.sh
+    target: {{ cross_target_platform }}
+    requirements:
+      build:
+        - cmake
+    about:
+      home: http://openmp.llvm.org/
+      license: MIT license or UIUC License
+      license_family: Other
+      license_file: projects/openmp/LICENSE.txt
+      summary: Support for the OpenMP language
+      description: |
+        The OpenMP subproject of LLVM contains the components required to build an
+        executable OpenMP program that are outside the compiler itself.
+
   - name: compiler-rt_{{ cross_target_platform }}
     script: install-compiler-rt.sh
     target: {{ cross_target_platform }}