apache-2.eclass: Minor adjustments.

diff --git a/eclass/apache-2.eclass b/eclass/apache-2.eclass
index 6f58331755cd126c30cd280c73c6309cdc9fde93..0409c4db17d7a03209de10494ee4da8defbe2753 100644 (file)
--- a/eclass/apache-2.eclass
+++ b/eclass/apache-2.eclass
@@ -104,23 +104,23 @@ _apache2_set_mpms() {
        for mpm in ${IUSE_MPMS} ; do
                IUSE="${IUSE} apache2_mpms_${mpm}"
 
-               REQUIRED_USE="${REQUIRED_USE} apache2_mpms_${mpm}? ("
+               REQUIRED_USE+=" apache2_mpms_${mpm}? ("
                for ompm in ${IUSE_MPMS} ; do
                        if [[ "${mpm}" != "${ompm}" ]] ; then
-                               REQUIRED_USE="${REQUIRED_USE} !apache2_mpms_${ompm}"
+                               REQUIRED_USE+=" !apache2_mpms_${ompm}"
                        fi
                done
 
                if has ${mpm} ${IUSE_MPMS_FORK} ; then
-                       REQUIRED_USE="${REQUIRED_USE} !threads"
+                       REQUIRED_USE+=" !threads"
                else
-                       REQUIRED_USE="${REQUIRED_USE} threads"
+                       REQUIRED_USE+=" threads"
                fi
-               REQUIRED_USE="${REQUIRED_USE} )"
+               REQUIRED_USE+=" )"
        done
 
        if [[ "${PV}" != 2.2* ]] ; then
-               REQUIRED_USE="${REQUIRED_USE} apache2_mpms_prefork? ( !apache2_modules_http2 )"
+               REQUIRED_USE+=" apache2_mpms_prefork? ( !apache2_modules_http2 )"
        fi
 }
 _apache2_set_mpms
@@ -155,7 +155,7 @@ _apache2_set_module_depends() {
        local dep
 
        for dep in ${MODULE_DEPENDS} ; do
-               REQUIRED_USE="${REQUIRED_USE} apache2_modules_${dep%:*}? ( apache2_modules_${dep#*:} )"
+               REQUIRED_USE+=" apache2_modules_${dep%:*}? ( apache2_modules_${dep#*:} )"
        done
 }
 _apache2_set_module_depends