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musl-cross-make
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Simple makefile-based build for musl cross compiler

Tree: 3a0c9775b6
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musl-cross-make
Rich Felker 3a0c9775b6 add initial fdpic support 9 years ago
patches 3a0c9775b6 add initial fdpic support 9 years ago
sources 0b78030478 add dummy files for empty dirs to include them in git 9 years ago
steps 0b78030478 add dummy files for empty dirs to include them in git 9 years ago
Makefile 532e13f3f7 avoid installing stage0 gcc 9 years ago
README.md 7d58f6a9bf add README 9 years ago
config.mak.dist 596e008012 initial check-in 9 years ago

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.