add makefile-so

1 files changed, 33 insertions, 0 deletions

diff --git a/makefile-so/Makefile b/makefile-so/Makefile
new file mode 100644
index 0000000..9a2de9d
--- /dev/null
+++ b/makefile-so/Makefile
@@ -0,0 +1,33 @@
+CC   = gcc
+CCFLAGS=-pedantic -Wall
+LD_OPTS=
+
+# $< - the current dependcy file
+# $@ - the current target file
+# $* - the base name of the current target
+# $? - all dependencies that are newer than the target
+# -fPIV : emit position-independent code
+# -nostartfiles : do not use the standard system startup files when linking
+
+%.o: %.c
+	$(CC) $(CCFLAGS) -c -I. -o $@ $<
+
+default: all
+
+clib.o: clib.c
+	$(CC) $(CCFLAGS) -c -fPIC $<
+
+libclib.so: clib.o
+	$(CC) $(CCFLAGS) -shared -nostartfiles -Wl,-soname,libclib.so -o libclib.so.1.0 $<
+
+ldlinks:
+	@ldconfig -n .
+
+main: libclib.so ldlinks main.o
+	$(CC) $(LD_OPTS) main.o -L. -lclib -o main
+
+all: main
+
+clean:
+	rm -f main *.o *.so* *~
+