install -D not supported on mac

Makefile

@@ -1,7 +1,7 @@
 # Makefile for pcapmirror
 
 # Compiler
-CC = gcc
+CC = cc
 
 # Compiler flags
 CFLAGS = -Wall -g
@@ -21,6 +21,14 @@ TARGET = pcapmirror
 # Installation directory
 PREFIX = /usr
 
+ifndef BINDIR
+BINDIR = $(DESTDIR)$(PREFIX)/bin
+endif
+
+ifndef MANDIR
+MANDIR = $(DESTDIR)$(PREFIX)/share/man
+endif
+
 # Default rule
 all: $(TARGET) man
 
@@ -45,8 +53,8 @@ clean:
 # Install the executable
 install: $(TARGET)
 		mkdir -p $(DESTDIR)$(PREFIX)/bin
-		install -D $(TARGET) $(DESTDIR)$(PREFIX)/bin/$(TARGET)
-		install -D $(TARGET).8 $(DESTDIR)$(PREFIX)/share/man/man8/$(TARGET).8
+		install -s $(TARGET) $(BINDIR)/$(TARGET)
+		install $(TARGET).8 $(MANDIR)/man8/$(TARGET).8
 		
 
 # Uninstall the executable

README.md

@@ -54,10 +54,10 @@ On the original download location you will also find several prebuilt packages.
 ### Supported Operating Systems
 Source is tested to build and function on the following operating systems
 
-* Debian Linux 12 + unstable (sid)
-* Rocky Linux 8 + 9
+* Debian Linux 12, 13 + unstable (sid)
+* Rocky Linux 8, 9, 10
 * PiOS 12 (bookworm)
-* OpenBSD 7.6
+* OpenBSD 7.6, 7.7
 * MacOS 15
 
 Compile the program: