[cfarm-users] gcc111.fsffrance.org running AIX does not have a symlink to `cc'

CM Graff cm0graff at gmail.com
Thu Oct 12 05:21:05 CEST 2017

Furthermore, this probably represent an error in the installation
process of gcc. as that symlink is made by default.

On 10/11/17, CM Graff <cm0graff at gmail.com> wrote:
> In order for makefiles to be portable without a configure script, one
> can _not_ hard code CC = gcc, or CC = clang for that matter.
> gcc111.fsffrance.org seems to work fine with basic testing with the
> `gcc' binary. However, this is incorrect. There needs to be in the
> very least a symlink from `gcc' to `cc'. POSIX does not specify `cc',
> however it does not specify `gcc' either. it does however specify
> `c99' http://pubs.opengroup.org/onlinepubs/9699919799/utilities/c99.html
> as a utility and indeed POSIX `make' honors it as the default value
> for CC http://pubs.opengroup.org/onlinepubs/9699919799/utilities/make.html
> . It is common knowledge however that `cc' is hard coded as the rule
> for GNU make and many others and that any reasonable or historical
> vendor of `make' will include it as the default for CC. Or in the very
> least default to the POSIX specification of `c99' as the value for CC.
> No matter how the cake is cut, our AIX machines (and probably AIX in
> general) need to symlink the default system compiler to `cc'.
> Graff

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