#!/bin/bash

source sources/include.sh || exit 1

# Build a wrapper that records each command line the build runs out of the
# host's $PATH, so we know exactly what commands the build uses.

# (Note: this misses things called via absolute paths, such as the #!/bin/bash
# at the start of shell scripts.)

echo "=== Setting up command recording wrapper"

test -f "$WRAPDIR/wrappy" && global PATH := $OLDPATH
test -f "$HOSTTOOLS/toybox" && global PATH := $[hosttools_path]
env NO_CLEANUP= blank_tempdir $WRAPDIR

# Populate a directory of symlinks with every command in the $PATH.

echo 'Linking $PATH to '$WRAPDIR
path_search $PATH "*" 'ln -s wrappy "$WRAPDIR/$FILE"' !2 >/dev/null | dotprogress

# Build the wrapper
$CC -Os "$SOURCES/toys/wrappy.c" -o "$WRAPDIR/wrappy"  || dienow