libretro-core.eclass: make $LIBRETRO_CORE_LIB_FILE variable local

Default $LIBRETRO_CORE_LIB_FILE variable value depends on $S which should
be set after "inherit" section according to skel.ebuild. Also this
variable is used in libretro-core_src_install function only.

Signed-off-by: Yuri Konotopov <ykonotopov@gnome.org>
Signed-off-by: Craig Andrews <candrews@gentoo.org>

diff --git a/eclass/libretro-core.eclass b/eclass/libretro-core.eclass
index 0fe522911f06bcfa0a69e8446b115d23ac6fa205..c8c1933764fa05ea543877a364fb837c1fae1ae4 100644 (file)
--- a/eclass/libretro-core.eclass
+++ b/eclass/libretro-core.eclass
@@ -76,12 +76,6 @@ else
 fi
 inherit flag-o-matic
 
-# @ECLASS-VARIABLE: LIBRETRO_CORE_LIB_FILE
-# @REQUIRED
-# @DESCRIPTION:
-# Absolute path of this Libretro core's shared library.
-: ${LIBRETRO_CORE_LIB_FILE:="${S}/${LIBRETRO_CORE_NAME}_libretro.so"}
-
 case "${EAPI:-0}" in
        6|7)
                EXPORT_FUNCTIONS src_unpack src_prepare src_compile src_install
@@ -172,12 +166,27 @@ libretro-core_src_compile() {
                $([[ -f Makefile.libretro ]] && echo '-f Makefile.libretro')
 }
 
+# @VARIABLE: LIBRETRO_CORE_LIB_FILE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Absolute path of this Libretro core's shared library.
+# src_install.
+# @CODE
+# src_install() {
+#      local LIBRETRO_CORE_LIB_FILE="${S}/somecore_libretro.so"
+#
+#      libretro-core_src_install
+# }
+# @CODE
+
 # @FUNCTION: libretro-core_src_install
 # @DESCRIPTION:
 # The libretro-core src_install function which is exported.
 #
 # This function installs the shared library for this Libretro core.
 libretro-core_src_install() {
+       local LIBRETRO_CORE_LIB_FILE=${LIBRETRO_CORE_LIB_FILE:-"${S}/${LIBRETRO_CORE_NAME}_libretro.so"}
+
        # Absolute path of the directory containing Libretro shared libraries.
        local libretro_lib_dir="/usr/$(get_libdir)/libretro"
        # If this core's shared library exists, install that.