commit: 6b4c6da6ce3123ba26ff0c42d8ae0fdacebfda9b Author: Michał Górny <mgorny <AT> gentoo <DOT> org> AuthorDate: Sat Dec 5 16:32:24 2015 +0000 Commit: Michał Górny <mgorny <AT> gentoo <DOT> org> CommitDate: Sat Dec 5 16:34:43 2015 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6b4c6da6
sys-devel/llvm: Set libomp as default OpenMP provider in -9999, #562990 Use libomp as default OpenMP provider rather than libgomp because the support for the latter is unable to find omp.h without explicit -I, and provides syntax checking only. Bug: https://bugs.gentoo.org/show_bug.cgi?id=562990 sys-devel/llvm/llvm-9999.ebuild | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sys-devel/llvm/llvm-9999.ebuild b/sys-devel/llvm/llvm-9999.ebuild index e65e573..2f8afe7 100644 --- a/sys-devel/llvm/llvm-9999.ebuild +++ b/sys-devel/llvm/llvm-9999.ebuild @@ -254,6 +254,9 @@ multilib_src_configure() { if use clang; then mycmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml) + # libgomp support fails to find headers without explicit -I + # furthermore, it provides only syntax checking + -DCLANG_DEFAULT_OPENMP_RUNTIME=libomp ) fi @@ -481,8 +484,7 @@ multilib_src_install_all() { } pkg_postinst() { - if use clang; then - elog "To enable OpenMP support in clang, install sys-libs/libomp" - elog "and use the '-fopenmp=libomp' command line option" + if use clang && ! has_version 'sys-libs/libomp'; then + elog "To enable OpenMP support in clang, install sys-libs/libomp." fi }
