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# Auto-adaptive C library Makefile adapted for libproc, Chuck Blake.
# Assumptions are basically that all the .c files in the CWD are modules
# for the library and that all .h files are the interface to the library.
# PROJECT SPECIFIC MACROS
NAME = proc
# INSTALLATION OPTIONS
DESTDIR = /
TOPDIR = ${DESTDIR}/usr
HDRDIR = $(TOPDIR)/include/$(NAME)# where to put .h files
LIBDIR = $(TOPDIR)/lib# where to put library files
SHLIBDIR = /lib# where to put shared library files
HDROWN = -o root -g root -m 644 # owner of header files
LIBOWN = -o root -g root # owner of library files
INSTALL = install
# COMPILATION OPTIONS
CC = gcc -O2 -D_GNU_SOURCE #-ggdb # easy to command-line override
#CC = gcc -pg -O2 -D_GNU_SOURCE -g3 # easy to command-line override
CFLAGS = -I.. -W -Wall -Wstrict-prototypes -Wshadow -Wcast-align
# ----------------------------------------------------------------#
# The rest is the auto-magic section -- highly GNU make dependent #
# You should never need to edit this. #
# ----------------------------------------------------------------#
VC_SUF = ,v
VC_PFX = RCS/
RCSFILES = $(patsubst $(VC_PFX)%$(VC_SUF),%,$(wildcard $(VC_PFX)*$(VC_SUF)))
# We take the union of RCS files and other files in CWD so that new files do
# not need to alter this makefile. 'sort' removes duplicates. This allows the
# convenience of compiling and testing new files before the initial check-in.
SRC = $(sort $(wildcard *.c) $(filter %.c,$(RCSFILES)))
HDR = $(sort $(wildcard *.h) $(filter %.h,$(RCSFILES)))
OBJ = $(SRC:.c=.o)
SONAME = lib$(NAME).so.$(LIBVERSION)
ifeq ($(SHARED),1)
CFLAGS += -fpic
all: lib$(NAME).a $(SONAME)
else
all: lib$(NAME).a
endif
lib$(NAME).a: $(OBJ)
$(AR) rcs $@ $^
$(SONAME): $(OBJ)
gcc -shared -Wl,-soname,$(SONAME) -o $@ $^ -lc
ln -sf $(SONAME) lib$(NAME).so
# AUTOMATIC DEPENDENCY GENERATION -- GCC AND GNUMAKE DEPENDENT
.depend:
$(strip $(CC) $(CFLAGS) -MM -MG $(SRC) > .depend)
-include .depend
# INSTALLATION
install: all
if ! [ -d $(HDRDIR) ] ; then mkdir $(HDRDIR) ; fi
$(INSTALL) $(HDROWN) $(HDR) $(TOPDIR)/include/$(NAME)
$(INSTALL) $(LIBOWN) lib$(NAME).a $(LIBDIR)
ifeq ($(SHARED),1)
$(INSTALL) $(LIBOWN) $(SONAME) $(SHLIBDIR)
# cd $(SHLIBDIR) && ln -sf $(SONAME) lib$(NAME).so
#ldconfig
endif
# VARIOUS SHORT CUT TARGETS
.PHONY: all install dep clean distclean checkout checkclean
dep: .depend
clean:
$(RM) lib$(NAME).* *.o DEADJOE
distclean: clean
$(RM) .depend *~
checkout:
$(CO) $(RCSFILES)
checkclean:
$(RM) $(RCSFILES)
# CUSTOM c -> o rule so that command-line has minimal whitespace
%.o : %.c
$(strip $(CC) $(CFLAGS) -c $<)
# PROJECT SPECIFIC DEPENDENCIES/BUILD RULES
version.o: version.c version.h
ifdef MINORVERSION
$(strip $(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -DMINORVERSION=\"$(MINORVERSION)\" -c version.c)
else
$(strip $(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -c version.c)
endif
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