| --- make.conf 2006-03-19 18:40:11.000000000 +0100 |
| +++ make.conf.sparc 2006-03-19 18:26:21.000000000 +0100 |
| @@ -23,6 +23,15 @@ |
| # Example: |
| #USE="X gtk gnome -alsa" |
| |
| +# Host Setting |
| +# ============ |
| +# This should be left to the default value of sparc-unknown-linux-gnu unless |
| +# you are absolutely certain of the consequences. In addition to potentially |
| +# destroying your system, you will recieve no support and your bugs will be |
| +# marked INVALID if you change this. |
| +# |
| +# CHOST="sparc-unknown-linux-gnu" |
| + |
| # Host and optimization settings |
| # ============================== |
| # |
| @@ -33,10 +42,34 @@ |
| # package (and in some cases the libraries it uses) at default optimizations |
| # before reporting errors to developers. |
| # |
| -# Please refer to the GCC manual for a list of possible values. |
| -# |
| -#CFLAGS="-O2 -pipe" |
| -# |
| +# Sparc specific cpu optimizatiobn flags can be found here: |
| +# http://gcc.gnu.org/onlinedocs/gcc-3.3/gcc/SPARC-Options.html#SPARC%20Options |
| +# |
| +# -mcpu=<cpu-type> means optimize code for the particular type of CPU without |
| +# breaking compatibility with other CPUs. |
| +# |
| +# -mtune=<cpu-type> set the instruction scheduling parameters for machine, but |
| +# do not set the instruction set or register set. |
| +# |
| +# Here is a list of each supported architecture and their supported |
| +# implementations: |
| +# |
| +# gcc-3.2 and higher: |
| +# v7: cypress |
| +# v8: supersparc, hypersparc |
| +# sparclite: f930, f934, sparclite86x |
| +# sparclet: tsc701 |
| +# v9: ultrasparc |
| +# |
| +# Additionally in gcc-3.3 and higher: |
| +# v9: ultrasparc3 |
| +# |
| +# Decent examples: |
| +# |
| +#CFLAGS="-mcpu=supersparc -O2 -pipe" |
| +#CFLAGS="-mcpu=ultrasparc -O2 -pipe" |
| +#CFLAGS="-mcpu=v8 -mtune=v9 -O2 -pipe" |
| + |
| # If you set a CFLAGS above, then this line will set your default C++ flags to |
| # the same settings. |
| #CXXFLAGS="${CFLAGS}" |
| @@ -61,7 +94,7 @@ |
| # DO NOT PUT ANYTHING BUT YOUR SPECIFIC ~ARCHITECTURE IN THE LIST. |
| # IF YOU ARE UNSURE OF YOUR ARCH, OR THE IMPLICATIONS, DO NOT MODIFY THIS. |
| # |
| -#ACCEPT_KEYWORDS="~arch" |
| +#ACCEPT_KEYWORDS="~sparc" |
| |
| # Portage Directories |
| # =================== |
