commit: 40d24edc8aa68a8a1ce5978330513a1c07c91ab1 Author: David Seifert <soap <AT> gentoo <DOT> org> AuthorDate: Sun Jul 15 00:03:00 2018 +0000 Commit: Andreas Sturmlechner <asturm <AT> gentoo <DOT> org> CommitDate: Mon Dec 10 21:54:03 2018 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=40d24edc
cmake-utils.eclass: Make ninja default backend in EAPI >= 7 * Using the ninja backend as a default is the only way to massively improve src_compile core utilization, given that it seems unlikely that CMake will ever produce non-recursive Makefiles. See also: http://www.kaizou.org/2016/09/build-benchmark-large-c-project/ Signed-off-by: Andreas Sturmlechner <asturm <AT> gentoo.org> eclass/cmake-utils.eclass | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/eclass/cmake-utils.eclass b/eclass/cmake-utils.eclass index 73e7f0b73ae..30ee97b99a3 100644 --- a/eclass/cmake-utils.eclass +++ b/eclass/cmake-utils.eclass @@ -50,10 +50,12 @@ _CMAKE_UTILS_ECLASS=1 # Set to enable in-source build. # @ECLASS-VARIABLE: CMAKE_MAKEFILE_GENERATOR +# @DEFAULT_UNSET # @DESCRIPTION: # Specify a makefile generator to be used by cmake. # At this point only "emake" and "ninja" are supported. -: ${CMAKE_MAKEFILE_GENERATOR:=emake} +# In EAPI 7 and above, the default is set to "ninja", +# whereas in EAPIs below 7, it is set to "emake". # @ECLASS-VARIABLE: CMAKE_MIN_VERSION # @DESCRIPTION: @@ -112,7 +114,13 @@ esac inherit toolchain-funcs ninja-utils flag-o-matic multiprocessing xdg-utils case ${EAPI} in - 5|6) inherit eutils multilib ;; + [56]) + : ${CMAKE_MAKEFILE_GENERATOR:=emake} + inherit eutils multilib + ;; + *) + : ${CMAKE_MAKEFILE_GENERATOR:=ninja} + ;; esac EXPORT_FUNCTIONS src_prepare src_configure src_compile src_test src_install
