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-rw-r--r--Modules/ExternalProject.cmake13
1 files changed, 12 insertions, 1 deletions
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index 6479f4a..2fbab17 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -159,6 +159,7 @@ function(_ep_parse_arguments f name ns args)
if(NOT (key STREQUAL "COMMAND")
AND NOT (key STREQUAL "CVS_MODULE")
AND NOT (key STREQUAL "DEPENDS")
+ AND NOT (key STREQUAL "DOWNLOAD_COMMAND")
)
message(AUTHOR_WARNING "unknown ${f} keyword: ${arg}")
endif()
@@ -801,7 +802,7 @@ endfunction(_ep_add_patch_command)
# TODO: Make sure external projects use the proper compiler
function(_ep_add_configure_command name)
- ExternalProject_Get_Property(${name} source_dir binary_dir)
+ ExternalProject_Get_Property(${name} source_dir binary_dir tmp_dir)
_ep_get_configuration_subdir_suffix(cfgdir)
@@ -835,6 +836,16 @@ function(_ep_add_configure_command name)
endif()
endif()
+ # If anything about the configure command changes, (command itself, cmake
+ # used, cmake args or cmake generator) then re-run the configure step.
+ # Fixes issue http://public.kitware.com/Bug/view.php?id=10258
+ #
+ if(NOT EXISTS ${tmp_dir}/${name}-cfgcmd.txt.in)
+ file(WRITE ${tmp_dir}/${name}-cfgcmd.txt.in "cmd='@cmd@'\n")
+ endif()
+ configure_file(${tmp_dir}/${name}-cfgcmd.txt.in ${tmp_dir}/${name}-cfgcmd.txt)
+ list(APPEND file_deps ${tmp_dir}/${name}-cfgcmd.txt)
+
ExternalProject_Add_Step(${name} configure
COMMAND ${cmd}
WORKING_DIRECTORY ${binary_dir}