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CVS commit: pkgsrc/mk

Module Name:    pkgsrc
Committed By:   marino
Date:           Wed Dec 12 20:49:02 UTC 2012

Modified Files:

Log Message:, Implement DRAGONFLY_CCVER

DragonFly has two compilers in base, GCC 4.4.7 and GCC 4.7.2.
The way one switches between them for userland programs is to set
CCVER in the environment.

However, to set this via make.conf is tricky.  I've been using the
low level "ALL_ENV+= CCVER=gcc47", but this trick fails to properly
identify the compiler which results in _GCC_VERSION being incorrectly

Additionally, there are some prominent packages that do not build on
gcc 4.7 and the fix is either not fully understood or would require a
large amount of work to implement.  In these cases, it is desireable
to specify the package be built on gcc 4.4 regardless of CCVER setting.

To address these issues, a new directive is added: DRAGONFLY_CCVER.
It is only effective if OPSYS equals "DragonFly", and it will properly
set CCVER and properly define _GCC_VERSION.  It will also allow a
per package specification of a particular compiler in the pkg makefile.

To generate a diff of this commit:
cvs rdiff -u -r1.79 -r1.80 pkgsrc/mk/
cvs rdiff -u -r1.129 -r1.130 pkgsrc/mk/compiler/

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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