--- a/CMake/install.cmake
+++ b/CMake/install.cmake
@@ -101,7 +101,7 @@
    DESTINATION ${FLTK_BINDIR}
 )
 
-if(UNIX OR MSYS OR (MINGW AND CMAKE_CROSSCOMPILING))
+if(UNIX OR MINGW)
    macro(INSTALL_MAN FILE LEVEL)
    install(FILES
       ${FLTK_SOURCE_DIR}/documentation/src/${FILE}.man
@@ -117,4 +117,4 @@
    INSTALL_MAN(checkers 6)
    INSTALL_MAN(sudoku 6)
 
-endif(UNIX OR MSYS OR (MINGW AND CMAKE_CROSSCOMPILING))
+endif(UNIX OR MINGW)
--- a/CMake/setup.cmake
+++ b/CMake/setup.cmake
@@ -80,13 +80,13 @@
 endif(NOT WIN32)
 
 # set where config files go
-if(WIN32 AND NOT CYGWIN)
+if(WIN32 AND NOT CYGWIN AND NOT MINGW)
    set(FLTK_CONFIG_PATH CMake)
 elseif(APPLE AND NOT OPTION_APPLE_X11)
    set(FLTK_CONFIG_PATH FLTK/.framework/Resources/CMake)
 else()
    set(FLTK_CONFIG_PATH ${FLTK_DATADIR}/fltk)
-endif(WIN32 AND NOT CYGWIN)
+endif(WIN32 AND NOT CYGWIN AND NOT MINGW)
 
 include(TestBigEndian)
 TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
