skeud

commit: 57329cb47d3306caa2d8888356d8fbfa97fc86df
parent 7f1abfe6e7a9957754581f551ab865626d8b3f6f
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Mon, 29 Apr 2024 11:19:24 +0200

Link executables statically

Diffstat:
M
Makefile
9
++++++---
M
README.md
3
++-

2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
@@ -9,6 +9,9 @@ SYS_BINDIR ?= /bin
 BINDIR ?= $(PREFIX)/bin
 MANDIR ?= $(PREFIX)/share/man
 
+# Dynamically linked executables are unsupported
+LDSTATIC = -static
+
 SYS_EXE = login su
 TEST_EXE = common_test
 MAN1 = login.1
@@ -16,17 +19,17 @@ MAN1 = login.1
 all: $(SYS_EXE)
 
 .c:
-	$(CC) -std=c11 $(CFLAGS) -o $@ $< $(LDFLAGS)
+	$(CC) -std=c11 $(CFLAGS) -o $@ $< $(LDFLAGS) $(LDSTATIC)
 
 common.c: common.h
 
 login_SRC = login.c common.c
 login: $(login_SRC) Makefile
-	$(CC) -std=c11 $(CFLAGS) -o $@ $(login_SRC) -lcrypt $(LDFLAGS)
+	$(CC) -std=c11 $(CFLAGS) -o $@ $(login_SRC) -lcrypt $(LDFLAGS) $(LDSTATIC)
 
 su_SRC = su.c common.c
 su: $(su_SRC) Makefile
-	$(CC) -std=c11 $(CFLAGS) -o $@ $(su_SRC) -lcrypt $(LDFLAGS)
+	$(CC) -std=c11 $(CFLAGS) -o $@ $(su_SRC) -lcrypt $(LDFLAGS) $(LDSTATIC)
 
 common_test: common_test.c common.c Makefile
 	$(CC) -std=c11 $(CFLAGS) `pkg-config --cflags atf-c` -o $@ common_test.c common.c `pkg-config --libs atf-c` -lcrypt $(LDFLAGS)
diff --git a/README.md b/README.md
@@ -10,6 +10,7 @@ Status: Experimental, enough done to work but needs thorough review.
 ## Dependencies
 - POSIX Environment
 - libc with `termios.h`
+- Proper support for static executables (glibc is out)
 - `/dev/tty` file pointing to currently attached console
 - (test-only) [ATF](https://github.com/jmmv/atf)
 - (test-only) [Kyua](https://github.com/jmmv/kyua)
@@ -18,7 +19,7 @@ Status: Experimental, enough done to work but needs thorough review.
 - (lint-only) [mandoc](https://mdocml.bsd.lv/)
 
 ## Unsupported
-- Broken authentication systems like PAM
+- Broken authentication systems like PAM and [nsswitch](https://skarnet.org/software/nsss/nsswitch.html)
 - Remote host arguments (believed to be legacy)
 - `/etc/login.defs` configuration file
 - Checking for emails, consider using `/etc/profile` or `~/.profile` instead