#!/bin/sh -e
#
# This build system is a little funky. I want to contribute upstream to get the
# whole thing buildable with Makefiles (no Cmake).

make -C xxhash

# Point mold to the local xxhash.
export CXXFLAGS="-L$PWD/xxhash -I$PWD/xxhash $CXXFLAGS"

# Prevent the build system from overwriting CC/CXX.
sed /clang/d Makefile > _
mv -f _ Makefile

# CMAKE_GENERATOR must be set to force usage of Makefiles. The build system
# calls cmake and proceeds to assume that Makefiles will be used with it.
make CMAKE_GENERATOR= LDFLAGS="$LDFLAGS -static"
make install

# Create a symbolic link so users can use mold as the linker system-wide
# (without need for special CFLAGS/CXXFLAGS).
ln -s mold "$1/usr/bin/ld"

# To tell GCC to use mold we must put a symlink to it in a directory and set it
# to search for the linker within.
ln -s ../../bin/mold "$1/usr/lib/mold/ld"