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cmake: fix regression in finding wx from 2efcb620 

Clear FindwxWidgets module variables from the cache after each
unsuccessful try with WX_CONFIG_EXECUTABLE set, otherwise the succeeding
find_package(wxWidgets) call with WX_CONFIG_EXECUTABLE unset will fail,
as it does with cmake on gentoo.
This commit is contained in:
Rafael Kitover 2018-08-04 04:34:24 -07:00
parent 594ecc3947
commit f78d45c038
1 changed files with 9 additions and 0 deletions
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9
src/wx/CMakeLists.txt
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@ -65,6 +65,14 @@ function(normalize_wx_paths)
endif()
endfunction()
function(clear_wx_vars)
unset(wxWidgets_FOUND PARENT_SCOPE CACHE FORCE)
unset(wxWidgets_INCLUDE_DIRS PARENT_SCOPE CACHE FORCE)
unset(wxWidgets_LIBRARIES PARENT_SCOPE CACHE FORCE)
unset(wxWidgets_LIBRARY_DIRS PARENT_SCOPE CACHE FORCE)
unset(wxWidgets_CXX_FLAGS PARENT_SCOPE CACHE FORCE)
endfunction()
if(CMAKE_PREFIX_PATH)
set(wxWidgets_CONFIG_OPTIONS "--prefix=${CMAKE_PREFIX_PATH}")
endif()
@ -87,6 +95,7 @@ if("$ENV{WX_CONFIG}" STREQUAL "")
if(wxWidgets_FOUND)
break()
endif()
clear_wx_vars()
endforeach()
if(NOT wxWidgets_FOUND)