diff options
Diffstat (limited to 'config/companion_libs.in')
| -rw-r--r-- | config/companion_libs.in | 65 |
1 files changed, 49 insertions, 16 deletions
diff --git a/config/companion_libs.in b/config/companion_libs.in index d581d80..9b059f0 100644 --- a/config/companion_libs.in +++ b/config/companion_libs.in @@ -20,35 +20,68 @@ config GMP_MPFR - gcc - gdb -config GMP_MPFR_TARGET - bool - prompt "Build libraries for the target" - depends on GMP_MPFR - depends on ! BARE_METAL - default n - help - Also build libraries for the target. This can be usefull if you want - to later build a compiler that will run on the target, or if you want - to run gdb natively on the target. - if GMP_MPFR source config/companion_libs/gmp.in source config/companion_libs/mpfr.in endif -config PPL_CLOOG +config PPL_CLOOG_MPC bool - prompt "PPL and GLooG/PPL" + prompt "PPL, GLooG/PPL and MPC" help - gcc-4.4.0 and above requires both PPL and CLooG/PPL to build some - parts of the optimiser (GRAPHITE loop optimisation, to be precise). + gcc-4.4.0 and above requires PPL and CLooG/PPL to build some parts + of the optimiser (GRAPHITE loop optimisation, to be precise). + + In addition to those, gcc-4.4 also optionally uses MPC to enable + additional optimisations on complex numbers. Although MPC is optional, + crosstool-NG requires it and uses it to build gcc >= 4.4.0. These will be automatically selected if you choose gcc>=4.4.0, but you can say 'Y' here, although it is unknown yet if any other component can use them. -if PPL_CLOOG +if PPL_CLOOG_MPC source config/companion_libs/ppl.in +source config/companion_libs/cloog.in +source config/companion_libs/mpc.in endif +config FOO + bool + +comment "Companion libraries common options" + depends on GMP_MPFR || PPL_CLOOG_MPC + +config COMP_LIBS_CHECK + bool + prompt "| Check the companion libraries builds (!!! READ HELP!!!)" + depends on GMP_MPFR || PPL_CLOOG_MPC + default n + help + It is highly recommended to check the newly built companion libraries. + Unfortunately, this is a very intensive task, and takes a loooong time. + + Checking the newly built companion libraries is thus disabled by default, + but it is suggested that you check them at least once on your machine, + and if they work, disable the check on subsequent builds. + + If you suspect that one (or more) of your companion libraries is the + cause for incorrectly generated code, you should answer 'Y' here. + Note however that this will take a really long time. For example, + building PPL on my machine takes roughly 1'40", while checking it takes + about 1h40'... + +config COMP_LIBS_TARGET + bool + prompt "| Build companion libraries for the target" + depends on GMP_MPFR || PPL_CLOOG_MPC + depends on ! BARE_METAL + default n + help + Also build companion libraries for the target. This can be usefull if + you want to later build a compiler that will run on the target, or if + you want to run gdb natively on the target. + + Please note that for now, crosstool-NG can only build GMP and MPFR so. + endmenu |