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musl-cross-make
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Mirorr of https://github.com/richfelker/musl-cross-make to compile musl build tools for mipsel-muslsf
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Rich Felker d0ca7b1054 update gcc fdpic patch 
two changes are made:

1. always enable flag_pic for fdpic. without this, various ICE and bad
codegen was observed.

2. allow sibcall for fdpic; it's valid since r12 is call-clobbered.
 		2015-09-21 06:00:40 +00:00
patches update gcc fdpic patch 2015-09-21 06:00:40 +00:00
sources add dummy files for empty dirs to include them in git 2015-08-25 19:34:59 +00:00
steps add dummy files for empty dirs to include them in git 2015-08-25 19:34:59 +00:00
Makefile bypass gcc's potentially-broken detection of tls support 2015-09-13 08:29:07 +00:00
README.md add README 2015-08-25 19:58:17 +00:00
config.mak.dist improve sample config.mak 2015-09-13 04:17:08 +00:00

README.md

musl-cross-make

This is a quick and simple makefile-based alternative for producing musl-based cross compilers. In addition to the build system, it provides a number of patches, including:

  • Updated versions of the musl target patches going into upstream GCC

  • Static-PIE support and enabling PIE as default

  • Fixes for SH-specific bugs and bitrot in GCC

  • Support for J2 Core CPU target in GCC & binutils

The current focus is on SH2/J2 Core targets and NOMMU (where PIE is mandatory) since these are not adequately supported by other musl cross-compiler toolchain build systems.

Usage

To build, copy the provided config.mak.dist to config.mak and edit then run make. Parallel builds are supported. The host needs to have suitable gmp/mpfr/mpc libraries installed in the standard library path, or you can add the appropriate --with options to GCC_CONFIG.

At present only GCC 5.2.0 and Binutils 2.25.1 are supported. Backporting of patches is needed to support other versions.

The included patches should also be usable with Gregor's original musl-cross or other build systems, if desired.