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shinee@shinee:~/Downloads/root$ sudo apt-get install libx11-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package libx11-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libx11-dev' has no installation candidate
Arronical
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1 Answers1

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If you encountered the problem with

configure: c++11 mode is requested but the current compiler does not support it.

while running ./configure linux on a 64bit ubuntu 15.10, this can be solved by installing/updating your gcc and g++ packages:

sudo apt-get update
sudo apt-get install gcc g++

and specifying your architecture in the configure command:

./configure linuxx8664gcc