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Simple makefile-based build for musl cross compiler

Strom: fa4bf7924b
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musl-cross-make
Rich Felker fa4bf7924b allow building with a particular tag/branch/commit of musl před 10 roky
patches 596e008012 initial check-in před 10 roky
sources 0b78030478 add dummy files for empty dirs to include them in git před 10 roky
steps 0b78030478 add dummy files for empty dirs to include them in git před 10 roky
Makefile fa4bf7924b allow building with a particular tag/branch/commit of musl před 10 roky
README.md 7d58f6a9bf add README před 10 roky
config.mak.dist 596e008012 initial check-in před 10 roky

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.