CI and crypto (#16)

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+name: Build
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: make
+      run: make

Makefile

@@ -32,6 +32,6 @@ clean:
 	rm -f xte
 
 xte: xte.c config.h
-	$(CC) $(CFLAGS) $(RFLAGS) $(LDFLAGS) $(DEFINES) -o $@ $<
+	$(CC) $(CFLAGS) $(RFLAGS) $(DEFINES) -o $@ $< $(LDFLAGS)
 
 .phony: all clean install uninstall

README.md

@@ -1,3 +1,5 @@
+![build status](https://github.com/jojodicus/xecute/actions/workflows/build.yml/badge.svg)
+
 # XECUTE
 
 Inspired by [RootDO](https://codeberg.org/sw1tchbl4d3/rdo), this is an even more stripped-down version. Although the performance-uplift in execution compared to RootDO is rather homeopathic, the benefit in xecute lies in the configurability without sacrificing performance. Despite the name, xecute is not affiliated with X.Org or the X11 protocol in any way.
@@ -6,14 +8,16 @@ I do not guarantee the safety and/or security of this program, everything you do
 
 ## Installation
 
+Requires `libxcrypt` or a libc with encryption support (part of the XSI option group).
+
 ```
 git clone https://github.com/Jojodicus/xecute
 cd xecute
 make
 su -c "make install"
 ```
 
-to uninstall:
+To uninstall:
 
 ```
 su -c "make uninstall"

xte.c

@@ -1,4 +1,7 @@
+#if _XOPEN_CRYPT >= 0
 #include <crypt.h>
+#endif
+
 #include <pwd.h>
 #include <shadow.h>
 #include <signal.h>