cmake: avoid string(SUBSTRING) on short strings

CMake 3.1 and older throws an error when the input string is too short
2023-01-09 15:44:38 +01:00 · 2023-01-09 15:44:38 +01:00 · 62297e7da5
parent 607ddd0e10
commit 62297e7da5
1 changed files with 1 additions and 2 deletions
--- a/cmake/macros.cmake
+++ b/cmake/macros.cmake
@ -78,8 +78,7 @@ function(listtostr LIST OUTPUT)
  # Do not use string(REPLACE ";" " ") here to avoid messing up list entries
  set(res)
  foreach(ITEM ${${LIST}})
-    string(SUBSTRING "${ITEM}" 0 6 start)
-    if(start STREQUAL "SHELL:")
+    if(ITEM MATCHES "^SHELL:")
      string(SUBSTRING "${ITEM}" 6 -1 ITEM)
    endif()
    if(ITEM)