| 571f588a | 21-Oct-2014 |
John Marino <draco@marino.st> |
customcc: Improve wrapper script efficiency and capabilities
The wrapper script had some deficies, such as:
* awk called every invocation
* cc and gcc treated the same
* c++ and g++ treated the s
customcc: Improve wrapper script efficiency and capabilities
The wrapper script had some deficies, such as:
* awk called every invocation
* cc and gcc treated the same
* c++ and g++ treated the same
* evals for variables not used
* every invocation of c++ or g++ called cc -dumpmachine
* g++ hardcoded to dports include scheme
* no support for "CC" or "gcov" (both defined by base compilers)
The update addresses these by:
* awk eliminated by pushing INCOPT definition to defaults/compilers.conf
* cc -dumpmachine eliminated during creation of defaults/compilers.conf
It was only used for dports gcc, so with the assumption that the dports
compiler matches the uname information (a decent assumption), this
was predefined, yet overridable by /etc/compilers.conf
* cc is treated separately from gcc
* CC and c++ are treated the same but separately from g++
* by wrapper default, gcc and g++ refer to base gcc4.7, but the default
compilers.conf sets them to the same as the specified dports gcc
* Support for clang, clang++, clang-cpp, CC, and gcov was added
* Support for base clang, clang++, and clang-cpp was added in
anticipation of bringing clang into base.
* variables are only evaluated if used.
* supports the ability to have gcc, g++, clang, clang++ point to base
compilers while cc, c++, CC point to custom compiler. However, the
custom compiler can also point to any combination of cc, gcc, c++, and
g++ and that's controllable by compilers.conf.
The /etc/defaults/compilers.conf file was augmented and support for
clang35 from dports added. man 5 compilers.conf was edited accordingly
with placeholders for <version>_CLANG, <version>_CLANGCXX and
<version>_CLANGCPP which aren't applicable until clang comes into base.
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