diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,6 +74,11 @@
 endif()
 
 if(NOT WIN32)
+    # generate-24px in subdirs.
+    find_program(BASH_EXE bash)
+    add_feature_info("24x24 generation" BASH_EXE "'bash' is required to generate 24x24 variants")
+
+    # validate
     find_program(SH_EXE sh)
     find_program(XMLLINT_EXE xmllint)
     if(SH_EXE AND XMLLINT_EXE)
diff --git a/icons-dark/CMakeLists.txt b/icons-dark/CMakeLists.txt
--- a/icons-dark/CMakeLists.txt
+++ b/icons-dark/CMakeLists.txt
@@ -12,7 +12,6 @@
 
 # Auto-generate 24px monochrome icons from 22px versions
 if(NOT WIN32)
-    find_program(BASH_EXE bash)
     add_custom_target(breeze-generate-24px-versions-dark ALL
         COMMAND ${BASH_EXE} ${CMAKE_SOURCE_DIR}/generate-24px-versions.sh ${CMAKE_CURRENT_BINARY_DIR}/generated/
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/icons/CMakeLists.txt b/icons/CMakeLists.txt
--- a/icons/CMakeLists.txt
+++ b/icons/CMakeLists.txt
@@ -12,7 +12,6 @@
 
 # Auto-generate 24px monochrome icons from 22px versions
 if(NOT WIN32)
-    find_program(BASH_EXE bash)
     add_custom_target(breeze-generate-24px-versions ALL
         COMMAND ${BASH_EXE} ${CMAKE_SOURCE_DIR}/generate-24px-versions.sh ${CMAKE_CURRENT_BINARY_DIR}/generated/
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}