Change license, add man pages, misc2

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 27 insertions, 95 deletions

diff --git a/Makefile b/Makefile
index 4127c6d..80adf03 100644
--- a/Makefile
+++ b/Makefile
@@ -1,108 +1,40 @@
-# Copying and distribution of this file, with or without modification,
-# are permitted in any medium without royalty provided the copyright
-# notice and this notice are preserved.  This file is offered as-is,
-# without any warranty.
+.POSIX:
 
+CONFIGFILE = config.mk
+include $(CONFIGFILE)
 
-# The package path prefix, if you want to install to another root, set DESTDIR to that root.
-PREFIX ?= /usr
-# The command path excluding prefix.
-BIN ?= /bin
-# The library path excluding prefix.
-LIB ?= /lib
-# The executable library path excluding prefix.
-LIBEXEC ?= /libexec
-# The resource path excluding prefix.
-DATA ?= /share
-# The command path including prefix.
-BINDIR ?= $(PREFIX)$(BIN)
-# The library path including prefix.
-LIBDIR ?= $(PREFIX)$(LIB)
-# The executable library path including prefix.
-LIBEXECDIR ?= $(PREFIX)$(LIBEXEC)
-# The resource path including prefix.
-DATADIR ?= $(PREFIX)$(DATA)
-# The generic documentation path including prefix.
-DOCDIR ?= $(DATADIR)/doc
-# The info manual documentation path including prefix.
-INFODIR ?= $(DATADIR)/info
-# The license base path including prefix.
-LICENSEDIR ?= $(DATADIR)/licenses
+BIN = getpgrp setpgrp
+OBJ = $(@:=.o)
+MAN = $(@:=.1)
+HDR = arg.h
 
-# The name of the package as it should be installed.
-PKGNAME ?= setpgrp
 
+all: $(BIN)
+$(OBJ): $(@:.o=.c) $(HDR)
 
-# Optimisation level (and debug flags.)
-OPTIMISE = -Og -g
+getpgrp: getpgrp.o
+	$(CC) -o $@ $@.o $(LDFLAGS)
 
-# Enabled Warnings.
-WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self       \
-       -Wmissing-include-dirs -Wtrampolines -Wfloat-equal -Wshadow             \
-       -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls           \
-       -Wnested-externs -Winline -Wno-variadic-macros -Wsign-conversion        \
-       -Wswitch-default -Wconversion -Wsync-nand -Wunsafe-loop-optimizations   \
-       -Wcast-align -Wstrict-overflow -Wdeclaration-after-statement -Wundef    \
-       -Wbad-function-cast -Wcast-qual -Wwrite-strings -Wlogical-op            \
-       -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wpacked  \
-       -Wvector-operation-performance -Wunsuffixed-float-constants             \
-       -Wsuggest-attribute=const -Wsuggest-attribute=noreturn                  \
-       -Wsuggest-attribute=pure -Wsuggest-attribute=format -Wnormalized=nfkc
+setpgrp: setpgrp.o
+	$(CC) -o $@ $@.o $(LDFLAGS)
 
-# The C standard used in the code.
-STD = gnu99
+.c.o:
+	$(CC) -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
 
-# Options for the C compiler.
-C_FLAGS = $(OPTIMISE) $(WARN) -std=$(STD) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS)  \
-          -ftree-vrp -fstrict-aliasing -fipa-pure-const -fstack-usage       \
-          -fstrict-overflow -funsafe-loop-optimizations -fno-builtin
+install: $(BIN)
+	mkdir -p -- "$(DESTDIR)$(PREFIX)/bin"
+	mkdir -p -- "$(DESTDIR)$(MANPREFIX)/man1"
+	cp -- $(BIN) "$(DESTDIR)$(PREFIX)/bin/"
+	cp -- $(MAN) "$(DESTDIR)$(MANPREFIX)/man1/"
 
-
-
-.PHONY: all
-all: getpgrp setpgrp
-
-.PHONY: getpgrp setpgrp
-getpgrp: bin/getpgrp
-setpgrp: bin/setpgrp
-
-bin/%: src/%.c
-	@mkdir -p bin
-	$(CC) $(C_FLAGS) -o $@ $^
-
-
-.PHONY: install
-install: install-commands install-license
-
-.PHONY: install-commands
-install-commands: install-getpgrp install-setpgrp
-
-.PHONY: install-getpgrp
-install-getpgrp: bin/getpgrp
-	install -dm755 -- "$(DESTDIR)$(BINDIR)"
-	install -m755 $< -- "$(DESTDIR)$(BINDIR)/getpgrp"
-
-.PHONY: install-setpgrp
-install-setpgrp: bin/setpgrp
-	install -dm755 -- "$(DESTDIR)$(BINDIR)"
-	install -m755 $< -- "$(DESTDIR)$(BINDIR)/setpgrp"
-
-.PHONY: install-license
-install-license:
-	install -dm755 -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-	install -m644 COPYING LICENSE -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-
-
-.PHONY: uninstall
 uninstall:
-	-rm -- "$(DESTDIR)$(BINDIR)/getpgrp"
-	-rm -- "$(DESTDIR)$(BINDIR)/setpgrp"
-	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/COPYING"
-	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/LICENSE"
-	-rmdir -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
-
+	-cd -- "$(DESTDIR)$(PREFIX)/bin/" && rm -f -- $(BIN)
+	-cd -- "$(DESTDIR)$(MANPREFIX)/man1/" && rm -f -- $(MAN)
 
-.PHONY: clean
 clean:
-	-rm -r -- bin *.su
+	-rm -rf -- $(BIN) *.o *.su
+
+.SUFFIXES:
+.SUFFIXES: .o .c
 
+.PHONY: all install uninstall clean