[gentoo-dev] [PATCH 2/4] cmake.eclass: Enforce CMAKE_REMOVE_MODULES_LIST be an array

[Andreas Sturmlechner]

Signed-off-by: Andreas Sturmlechner <ast...@gentoo.org>
---
 eclass/cmake.eclass | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/eclass/cmake.eclass b/eclass/cmake.eclass
index 43635d0ddf7..3c611071821 100644
--- a/eclass/cmake.eclass
+++ b/eclass/cmake.eclass
@@ -66,11 +66,23 @@ _CMAKE_ECLASS=1
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
 
 # @ECLASS-VARIABLE: CMAKE_REMOVE_MODULES_LIST
+# @PRE_INHERIT
+# @DEFAULT_UNSET
 # @DESCRIPTION:
-# Array of CMake modules that will be removed in ${CMAKE_USE_DIR}
-# (in EAPI-7: ${S}) during src_prepare, in order to force packages to use the
-# system version.  Set to empty to disable removing modules entirely.
-: ${CMAKE_REMOVE_MODULES_LIST:=FindBLAS FindLAPACK}
+# Array of .cmake modules to be removed in ${CMAKE_USE_DIR} (in EAPI-7: ${S})
+# during src_prepare, in order to force packages to use the system version.
+# By default, contains "FindBLAS" and "FindLAPACK".
+# Set to empty to disable removing modules entirely.
+if [[ ${CMAKE_REMOVE_MODULES_LIST} ]]; then
+       if [[ ${EAPI} != 7 ]]; then
+               [[ ${CMAKE_REMOVE_MODULES_LIST@a} == *a* ]] ||
+                       die "CMAKE_REMOVE_MODULES_LIST must be an array"
+       fi
+else
+       if ! [[ ${CMAKE_REMOVE_MODULES_LIST@a} == *a* && 
${#CMAKE_REMOVE_MODULES_LIST[@]} -eq 0 ]]; then
+               CMAKE_REMOVE_MODULES_LIST=( FindBLAS FindLAPACK )
+       fi
+fi
 
 # @ECLASS-VARIABLE: CMAKE_USE_DIR
 # @DESCRIPTION:
@@ -355,10 +367,10 @@ cmake_src_prepare() {
        fi
 
        local modules_list
-       if [[ $(declare -p CMAKE_REMOVE_MODULES_LIST) == "declare -a"* ]]; then
-               modules_list=( "${CMAKE_REMOVE_MODULES_LIST[@]}" )
-       else
+       if [[ ${EAPI} == 7 && $(declare -p CMAKE_REMOVE_MODULES_LIST) != 
"declare -a"* ]]; then
                modules_list=( ${CMAKE_REMOVE_MODULES_LIST} )
+       else
+               modules_list=( "${CMAKE_REMOVE_MODULES_LIST[@]}" )
        fi
 
        local name
-- 
2.33.0

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