Recently I updated to kubuntu 10.10, which ships new cmake 2.8.2 to me. Then
I noticed that KDevelop (IDE for C++) hangs when opening projects, since it
heavily dependent on cmake execution.
Then I inspected the process of configuring project with cmake using
--trace, and noticed, that multiple calls to STRING(REGEX ...) slows down
configure time from several seconds to almost 30 secs.
I fixed this issue by reverting FindZLIB.cmake from 2.8.
It is possible to replace this heavy
STRING(REGEX REPLACE ".*#define ZLIB_VERSION
\"([0-9]+)\\.([0-9]+)\\.([0-9]+)\".*" "\\1.\\2.\\3" ZLIB_VERSION_STRING
"${ZLIB_H}")
with something more light-weight in cmake-2.8/Modules/FindZLIB.cmake?
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