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php-ext-source-r3.eclass: Introduce PHP_EXT_NEEDED_USE

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This simplifies the dependencies in an ebuild

@DESCRIPTION:
A list of USE flags to append to each PHP target selected
as a valid USE-dependency string.  The value should be valid
for all targets so USE defaults may be necessary.
Example:
PHP_EXT_NEEDED_USE="mysql?,pdo,pcre(+)"

The PHP dependencies will result in:
php_targets_php7-0? ( dev-lang/php:7.0[mysql?,pdo,pcre(+)] )

Bug: https://bugs.gentoo.org/586446
This commit is contained in:
Brian Evans
2018-01-26 10:29:06 -05:00
parent 2c3113fded
commit 24e8fadab7
1 changed files with 19 additions and 0 deletions
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19
eclass/php-ext-source-r3.eclass
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@@ -84,6 +84,22 @@ esac
# @CODE@
: ${PHP_INI_NAME:=${PHP_EXT_NAME}}
# @ECLASS-VARIABLE: PHP_EXT_NEEDED_USE
# @DEFAULT_UNSET
# @DESCRIPTION:
# A list of USE flags to append to each PHP target selected
# as a valid USE-dependency string. The value should be valid
# for all targets so USE defaults may be necessary.
# Example:
# @CODE
# PHP_EXT_NEEDED_USE="mysql?,pdo,pcre(+)"
# @CODE
#
# The PHP dependencies will result in:
# @CODE
# php_targets_php7-0? ( dev-lang/php:7.0[mysql?,pdo,pcre(+)] )
# @CODE
# Make sure at least one target is installed. First, start a USE
# conditional like "php?", but only when PHP_EXT_OPTIONAL_USE is
@@ -96,6 +112,9 @@ for _php_target in ${USE_PHP}; do
REQUIRED_USE+="php_targets_${_php_target} "
_php_slot=${_php_target/php}
_php_slot=${_php_slot/-/.}
if [[ ${PHP_EXT_NEEDED_USE} ]] ; then
_php_slot+=[${PHP_EXT_NEEDED_USE}]
fi
PHPDEPEND+=" php_targets_${_php_target}? ( dev-lang/php:${_php_slot} )"
done