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Johannes Findeisen 2026-10-02 00:08:18 +02:00
commit f59561fdfb
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Makefile Normal file
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PREFIX ?= /usr/local
LIBDIR ?= $(PREFIX)/lib
INCLUDEDIR ?= $(PREFIX)/include
PKGCONFIGDIR ?= $(LIBDIR)/pkgconfig
CC ?= cc
AR ?= ar
RANLIB ?= ranlib
VERSION ?= 0.1.0
SOVERSION ?= 0
CFLAGS ?= -std=c99 -O2
WARNINGS ?= -Wall -Wextra -Wpedantic
CPPFLAGS ?= -Iinclude
BUILD_DIR=build
PKG_DIR=pkg
OBJ=$(BUILD_DIR)/ooc.o
LIB_STATIC=$(BUILD_DIR)/libooc.a
LIB_SHARED=$(BUILD_DIR)/libooc.so.$(VERSION)
PKGCONFIG=$(BUILD_DIR)/libooc.pc
.PHONY: all shared static example example-test safety-test install uninstall pkg clean clean-pkg clean-all
all: shared static
$(BUILD_DIR):; mkdir -p $@
$(OBJ): src/ooc.c include/ooc/ooc.h | $(BUILD_DIR); $(CC) $(CPPFLAGS) $(CFLAGS) $(WARNINGS) -fPIC -c $< -o $@
$(LIB_STATIC): $(OBJ); $(AR) rcs $@ $^; $(RANLIB) $@
$(LIB_SHARED): $(OBJ); $(CC) $(CFLAGS) $(LDFLAGS) -shared -Wl,-soname,libooc.so.$(SOVERSION) -o $@ $^
shared: $(LIB_SHARED)
ln -sf $$(basename $(LIB_SHARED)) $(BUILD_DIR)/libooc.so.$(SOVERSION)
ln -sf $$(basename $(LIB_SHARED)) $(BUILD_DIR)/libooc.so
static: $(LIB_STATIC)
# FORCE, because PREFIX is a make variable rather than a file: without it a
# build/libooc.pc left over from another prefix is never rewritten and the
# staged .pc disagrees with the tree it sits in.
.PHONY: FORCE
FORCE:
$(PKGCONFIG): libooc.pc.in FORCE | $(BUILD_DIR); sed -e 's|@prefix@|$(PREFIX)|g' -e 's|@VERSION@|$(VERSION)|g' $< > $@
example: shared
$(CC) $(CPPFLAGS) $(CFLAGS) $(WARNINGS) $(LDFLAGS) -Iinclude -Iexample example/main.c example/animal.c example/dog.c example/cat.c -L$(BUILD_DIR) -Wl,-rpath,'$$ORIGIN' -looc -o $(BUILD_DIR)/example
$(BUILD_DIR)/safety-test: tests/safety.c example/animal.c example/dog.c example/cat.c example/animal.h example/dog.h example/cat.h $(LIB_STATIC)
$(CC) $(CPPFLAGS) $(CFLAGS) $(WARNINGS) $(LDFLAGS) -Iexample tests/safety.c example/animal.c example/dog.c example/cat.c $(LIB_STATIC) -o $@
example-test: example
LD_LIBRARY_PATH=$(BUILD_DIR) $(BUILD_DIR)/example
safety-test: $(BUILD_DIR)/safety-test
$(BUILD_DIR)/safety-test
install: all $(PKGCONFIG)
install -d $(DESTDIR)$(LIBDIR) $(DESTDIR)$(INCLUDEDIR)/ooc $(DESTDIR)$(PKGCONFIGDIR)
install -m 755 $(LIB_SHARED) $(DESTDIR)$(LIBDIR)/
ln -sf $$(basename $(LIB_SHARED)) $(DESTDIR)$(LIBDIR)/libooc.so.$(SOVERSION)
ln -sf libooc.so.$(SOVERSION) $(DESTDIR)$(LIBDIR)/libooc.so
install -m 644 $(LIB_STATIC) $(DESTDIR)$(LIBDIR)/
install -m 644 include/ooc/ooc.h $(DESTDIR)$(INCLUDEDIR)/ooc/
install -m 644 $(PKGCONFIG) $(DESTDIR)$(PKGCONFIGDIR)/
# Stage the install tree under ./pkg for packaging, without touching the system.
# Equivalent to: make DESTDIR="$PWD/pkg" PREFIX=/$(PREFIX) install
# The prefix is re-rooted at / with exactly one separator, so an already
# absolute PREFIX does not end up as //usr/local inside the generated .pc file.
pkg: all
$(MAKE) DESTDIR=$(CURDIR)/$(PKG_DIR) PREFIX=/$(patsubst /%,%,$(PREFIX)) install
uninstall:
rm -f $(DESTDIR)$(LIBDIR)/libooc.so $(DESTDIR)$(LIBDIR)/libooc.so.$(SOVERSION) $(DESTDIR)$(LIBDIR)/$(notdir $(LIB_SHARED)) $(DESTDIR)$(LIBDIR)/$(notdir $(LIB_STATIC)) $(DESTDIR)$(INCLUDEDIR)/ooc/ooc.h $(DESTDIR)$(PKGCONFIGDIR)/libooc.pc
clean:
rm -rf $(BUILD_DIR)
clean-pkg:
rm -rf $(PKG_DIR)
clean-all: clean clean-pkg