successfully build bmkdep but my default.nix still isn't working about bmkdepnix

[GlassGhost]

31b2bc2

removed makeflags fixed that issue now I just need to fix the postinstall logic

[owner@nixos:~/sync/bmkdepnix]$ nix-build -E '(import {}).callPackage ./. {}'
this derivation will be built:
/nix/store/1mfh3aqvmr4w4n1s37kqw5f6v27411g3-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d.drv
building '/nix/store/1mfh3aqvmr4w4n1s37kqw5f6v27411g3-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d.drv'...
unpacking sources
unpacking source archive /nix/store/hcpj4yccq2jgbcp8fg4w03585n5cn8k2-source
source root is source
patching sources
updateAutotoolsGnuConfigScriptsPhase
configuring
no configure script, doing nothing
building
build flags: SHELL=/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash
gcc -g -MD -c mkdep.c
gcc -g -MD -c findcc.c
gcc -o bmkdep mkdep.o findcc.o
installing
install flags: SHELL=/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash pkgconfigdir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/lib/pkgconfig m4datadir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/share/aclocal aclocaldir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/share/aclocal install
[ -d /usr/local/bin ] || install -d -m 775 /usr/local/bin
install: cannot create directory '/usr': Permission denied
*** Error code 1

Stop.
bmake: stopped in /build/source
error: builder for '/nix/store/1mfh3aqvmr4w4n1s37kqw5f6v27411g3-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d.drv' failed with exit code 1;
last 10 log lines:
> gcc -g -MD -c findcc.c
> gcc -o bmkdep mkdep.o findcc.o
> installing
> install flags: SHELL=/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash pkgconfigdir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/lib/pkgconfig m4datadir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/share/aclocal aclocaldir=/nix/store/kh611mfp91f4f0zwv46xczpm84152la5-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d-dev/share/aclocal install
> [ -d /usr/local/bin ] || install -d -m 775 /usr/local/bin
> install: cannot create directory '/usr': Permission denied
> *** Error code 1
>
> Stop.
> bmake: stopped in /build/source
For full logs, run 'nix-store -l /nix/store/1mfh3aqvmr4w4n1s37kqw5f6v27411g3-bmkdep-f76db982a71c817423e0609ec9625e351e9e9e7d.drv'.

[owne