On Tue, 3 Feb 2015, Robert Yang wrote:
Sorry, I was wrong, tt seems that libtoolize is not the key, but libtool,
when compile cairo-1.12.18:
libtool 2.4.2 libtool 2.4.5
configure: 31s 32s
compile: 54s 64s
The libtool 2.4.5 costs 10 more seconds. I'm debugging on it, any suggestion
is appreciated.
The build slowdown must not be my imagination then. I had attributed
the slowdown to other factors. Recently I noticed that build times
for my own project were significantly longer than I remember.
Previously libtool was heavily optimized to reduce the number of forks
(execution of child process). This optimization should still be
present in 2.4.2. Any additional forks will result in a slower build.
It is not necessary to libtoolize a package in order to test its build
performance with different libtool versions. You can specify LIBTOOL
in the environment (see the Makefiles) such that it points to the
uninstalled libtool in a libtool build tree.
Bob
--
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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