diff options
Diffstat (limited to 'eclass/distutils-r1.eclass')
| -rw-r--r-- | eclass/distutils-r1.eclass | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/eclass/distutils-r1.eclass b/eclass/distutils-r1.eclass index 09684781de2a..cef9d71e5593 100644 --- a/eclass/distutils-r1.eclass +++ b/eclass/distutils-r1.eclass @@ -49,6 +49,23 @@ case ${EAPI} in *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; esac +# @ECLASS_VARIABLE: DISTUTILS_EXT +# @DEFAULT_UNSET +# @DESCRIPTION: +# Set this variable to a non-null value if the package (possibly +# optionally) builds Python extensions (loadable modules written in C, +# Cython, Rust, etc.). +# +# When enabled, the eclass: +# +# - adds PYTHON_DEPS to DEPEND (for cross-compilation support), unless +# DISTUTILS_OPTIONAL is used +# +# - adds `debug` flag to IUSE that controls assertions (i.e. -DNDEBUG) +# +# - calls `build_ext` command if setuptools build backend is used +# and there is potential benefit from parallel builds + # @ECLASS_VARIABLE: DISTUTILS_OPTIONAL # @DEFAULT_UNSET # @DESCRIPTION: @@ -310,6 +327,11 @@ _distutils_set_globals() { RDEPEND="${PYTHON_DEPS} ${rdep}" BDEPEND="${PYTHON_DEPS} ${bdep}" REQUIRED_USE=${PYTHON_REQUIRED_USE} + + if [[ ${DISTUTILS_EXT} ]]; then + DEPEND="${PYTHON_DEPS}" + IUSE="debug" + fi fi } _distutils_set_globals @@ -1433,12 +1455,14 @@ distutils-r1_python_compile() { # .pyx is added for Cython # # esetup.py does not respect SYSROOT, so skip it there - if [[ -z ${SYSROOT} && 1 -ne ${jobs} && 2 -eq $( - find '(' -name '*.c' -o -name '*.cc' -o -name '*.cpp' \ - -o -name '*.cxx' -o -name '*.c++' -o -name '*.m' \ - -o -name '*.mm' -o -name '*.pyx' ')' -printf '\n' | - head -n 2 | wc -l - ) ]]; then + if [[ -z ${SYSROOT} && ${DISTUTILS_EXT} && 1 -ne ${jobs} + && 2 -eq $( + find '(' -name '*.c' -o -name '*.cc' -o -name '*.cpp' \ + -o -name '*.cxx' -o -name '*.c++' -o -name '*.m' \ + -o -name '*.mm' -o -name '*.pyx' ')' -printf '\n' | + head -n 2 | wc -l + ) + ]]; then esetup.py build_ext -j "${jobs}" "${@}" fi else @@ -1750,6 +1774,10 @@ distutils-r1_run_phase() { local -x AR=${AR} CC=${CC} CPP=${CPP} CXX=${CXX} tc-export AR CC CPP CXX + if [[ ${DISTUTILS_EXT} ]]; then + local -x CPPFLAGS="${CPPFLAGS} $(usex debug '-UNDEBUG' '-DNDEBUG')" + fi + # How to build Python modules in different worlds... local ldopts case "${CHOST}" in @@ -2041,6 +2069,16 @@ _distutils-r1_post_python_install() { eerror "https://projects.gentoo.org/python/guide/qawarn.html#stray-top-level-files-in-site-packages" die "Failing install because of stray top-level files in site-packages" fi + + if [[ ! ${DISTUTILS_EXT} && ! ${_DISTUTILS_EXT_WARNED} ]]; then + if [[ $(find "${sitedir}" -name "*$(get_modname)" | head -n 1) ]] + then + eqawarn "Python extension modules (*$(get_modname)) found installed. Please set:" + eqawarn " DISTUTILS_EXT=1" + eqawarn "in the ebuild." + _DISTUTILS_EXT_WARNED=1 + fi + fi fi } |