[Coin-ipopt] ./configure checking size of int

[Uwe Kuessel]

Dear Mr. Waechter, dear IPOPT support team,
 
i tried to install IPOPT the way you describe it in 'Introduction to
IPOPT'. I am using cygwin for a windows system. i downloaded the third
party code and started with ./configure. After some time the following
error occurs in the cygwin prompt:
.
.
.
checking for int *... yes
checking size of int *... 4
configure: error: Unknown length of int *
configure: error: /bin/sh './configure' failed for Ipopt
 
I do not understand this error. The plattform is AMD 64 bit processor
with a 32 bit windows 2000. It seems like it recognize the 32 bit system
but then jumps in the wrong case. I tried hardcoding the size of int to
4 and then it runs succesfully, but i am unsure if this is good way of
doing it. In addition i have the make  3.81 problem with multiple
patterns. i tried to downgrade my make command by using the cygwin setup
but a lower version is not supported . can i get it somewhere and
install it manually? attached are the config.log files. it may help
screening for my mistake.
 
thanks a lot
 
uwe kuessel
 

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