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| author |   David Seifert <soap@gentoo.org> | 2016-10-12 22:15:03 +0200 |
|---|---|---|
| committer | David Seifert <soap@gentoo.org> | 2016-10-22 11:27:09 +0200 |
| commit | c096c11de359ed69fda9dee31675f5f1536e79ea (patch) | |
| tree | a23d786f558a93a2da4b877de7d10282c81f95ca /eclass | |
| parent | dev-util/pkgconf: bump to version 1.0.1 (diff) | |
| download | gentoo-c096c11de359ed69fda9dee31675f5f1536e79ea.tar.gz gentoo-c096c11de359ed69fda9dee31675f5f1536e79ea.tar.bz2 gentoo-c096c11de359ed69fda9dee31675f5f1536e79ea.zip | |
toolchain-funcs.eclass: Add tc-check-openmp() function
Closes: https://github.com/gentoo/gentoo/pull/2547
Signed-off-by: David Seifert <soap@gentoo.org>
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/toolchain-funcs.eclass | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass index 5bac36b6737c..63f0d6b20912 100644 --- a/eclass/toolchain-funcs.eclass +++ b/eclass/toolchain-funcs.eclass @@ -421,6 +421,27 @@ tc-has-openmp() { return ${ret} } +# @FUNCTION: tc-check-openmp +# @DESCRIPTION: +# Test for OpenMP support with the current compiler and error out with +# a clear error message, telling the user how to rectify the missing +# OpenMP support that has been requested by the ebuild. Using this function +# to test for OpenMP support should be preferred over tc-has-openmp and +# printing a custom message, as it presents a uniform interface to the user. +tc-check-openmp() { + if ! tc-has-openmp; then + eerror "Your current compiler does not support OpenMP!" + + if tc-is-gcc; then + eerror "Enable OpenMP support by building sys-devel/gcc with USE=\"openmp\"." + elif tc-is-clang; then + eerror "OpenMP support in sys-devel/clang is provided by sys-libs/libomp." + fi + + die "Active compiler does not have required support for OpenMP" + fi +} + # @FUNCTION: tc-has-tls # @USAGE: [-s|-c|-l] [toolchain prefix] # @DESCRIPTION: |