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235 lines
6.5 KiB
235 lines
6.5 KiB
2 years ago
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# Makefile template, generic for libraries (static + shared)
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PROJECT=exopt
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DEFAULT_NAMESPACE=exopt
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VERSION=0.0.0
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SRC_C = $(wildcard src/*.c)
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SRC_CXX = $(wildcard src/*.cpp)
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INCLUDE=include
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ifeq ($(PREFIX),)
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PREFIX := /usr/local
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endif
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# Default archivers
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AR?=ar
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RANLIB?=ranlib
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# Use gcc-{ar,ranlib} when using gcc
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ifeq ($(CXX),g++)
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AR=gcc-ar
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RANLIB=gcc-ranlib
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endif
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# Link to these libraries dynamicalls
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SHARED_LIBS=
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# Link to these libraries statically
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STATIC_LIBS=
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override __VERSION_SPLIT:= $(subst ., ,$(VERSION))
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override __VERSION_REVISION:=$(word 3,$(__VERSION_SPLIT)) 0
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VERSION_MAJOR:= $(word 1,$(__VERSION_SPLIT))
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VERSION_MINOR:= $(word 2,$(__VERSION_SPLIT))
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VERSION_BUGFIX:= $(word 3,$(__VERSION_SPLIT))
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VERSION_REVISION:= $(word 2,$(subst r, ,$(__VERSION_REVISION)))
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override __VERSION_SPLIT:= MAJOR:$(word 1,$(__VERSION_SPLIT)) MINOR:$(word 2,$(__VERSION_SPLIT)) BUGFIX:$(word 1,$(subst r, ,$(__VERSION_REVISION))) REVISION:$(word 2,$(subst r, ,$(__VERSION_REVISION))) REVISION_STRING:$(word 3,$(__VERSION_SPLIT))
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COMMON_FLAGS?= -W -Wall
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COMMON_FLAGS+= -pipe -Wstrict-aliasing -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
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COMMON_FLAGS+= $(addprefix -D_VERSION_,$(subst :,=,$(__VERSION_SPLIT))) '-D_VERSION="$(VERSION)"'
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ifneq ($(DEFAULT_NAMESPACE),)
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COMMON_FLAGS+= '-D_DEFAULT_NS=$(DEFAULT_NAMESPACE)'
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endif
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## CPU feature flags
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CPU_FLAGS+=
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DEFINITIONS?=_IMPL
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COMMON_FLAGS+=$(addprefix -D,$(DEFINITIONS))
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COMMON_FLAGS+=$(addprefix -m,$(CPU_FLAGS))
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## For LTO and linking over all TUs in general
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BINFLAGS+=
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DEBUG_BINFLAGS+=
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RELEASE_BINFLAGS+= -fuse-linker-plugin
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# Target arch. Set to blank for generic
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ARCH?=native
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# Enable OpenMP and loop parallelisation? (dyn-links to openmp)
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PARALLEL?=yes
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OPT_FLAGS?= -fgraphite \
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-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
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-fno-stack-check
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SHARED_FLAGS+=-fPIC
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SHARED_RELEASE_FLAGS+=
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SHARED_DEBUG_FLAGS+=
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STATIC_FLAGS+=
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STATIC_RELEASE_FLAGS+=-ffat-lto-objects
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STATIC_DEBUG_FLAGS+=
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ifneq ($(ARCH),)
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OPT_FLAGS+= $(addprefix -march=,$(ARCH))
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endif
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ifeq ($(PARALLEL),yes)
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SHARED_FLAGS+= -fopenmp
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SHARED_RELEASE_FLAGS+= -floop-parallelize-all -ftree-parallelize-loops=4
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endif
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CXX_OPT_FLAGS?= $(OPT_FLAGS) -felide-constructors
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CSTD?=gnu2x
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CXXSTD?=gnu++23
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CFLAGS += $(COMMON_FLAGS) --std=$(CSTD)
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CXXFLAGS += $(COMMON_FLAGS) --std=$(CXXSTD)
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LDFLAGS += $(addsuffix .a,$(addprefix -l:lib,$(STATIC_LIBS))) $(addprefix -l,$(SHARED_LIBS))
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STRIP=strip
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# TODO: XXX: Benchmark to see if `-fno-plt` actually helps...
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RELEASE_COMMON_FLAGS+= -fno-plt -fno-bounds-check
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DEBUG_COMMON_FLAGS+= -ggdb -gz -ftrapv -fbounds-check
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# -fanalyzer
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ifneq ($(TARGET_SPEC_FLAGS),no)
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RELEASE_CFLAGS?= -O3 -flto $(OPT_FLAGS)
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RELEASE_CXXFLAGS?= -O3 -flto $(CXX_OPT_FLAGS)
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RELEASE_LDFLAGS?= -Wl,-O3 -Wl,-flto
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#SHARED_FLAGS+=$(SHARED_RELEASE_FLAGS)
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DEBUG_CFLAGS?= -Og
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DEBUG_CXXFLAGS?= -Og
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DEBUG_LDFLAGS?=
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endif
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DEBUG_CFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS)
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DEBUG_CXXFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS) -fasynchronous-unwind-tables
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RELEASE_CFLAGS+=-DRELEASE $(RELEASE_COMMON_FLAGS)
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RELEASE_CXXFLAGS+=-DRELEASE $(RELEASE_COMMON_FLAGS)
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# Objects
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OBJ_C = $(addprefix obj/c/,$(SRC_C:.c=.o))
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OBJ_CXX = $(addprefix obj/cxx/,$(SRC_CXX:.cpp=.o))
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OBJ = $(OBJ_C) $(OBJ_CXX)
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# Phonies
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.PHONY: release
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release: | dirs
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$(MAKE) lib$(PROJECT).a
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@$(MAKE) clean-rebuild >> /dev/null
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@$(MAKE) dirs >> /dev/null
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$(MAKE) lib$(PROJECT).so
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.PHONY: debug
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debug: | dirs
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$(MAKE) lib$(PROJECT)-debug.a
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@$(MAKE) clean-rebuild >> /dev/null
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@$(MAKE) dirs >> /dev/null
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$(MAKE) lib$(PROJECT)-debug.so
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# Rebuild both release and debug targets from scratch
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.PHONY: all
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all: | clean
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@$(MAKE) release
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@$(MAKE) clean-rebuild
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@$(MAKE) debug
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.PHONY: install
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.PHONY: uninstall
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.PHONY: test
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test:
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@rm -f $(PROJECT)-test
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@$(MAKE) $(PROJECT)-test
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# Targets
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dirs:
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@mkdir -p obj/c{,xx}/src{,/rng}
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obj/c/%.o: %.c
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$(CC) -c $< $(CFLAGS) -o $@ $(LDFLAGS)
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obj/cxx/%.o: %.cpp
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$(CXX) -c $< $(CXXFLAGS) -o $@ $(LDFLAGS)
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lib$(PROJECT)-release.a: CFLAGS+= $(RELEASE_CFLAGS) $(STATIC_FLAGS) $(STATIC_RELEASE_FLAGS)
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lib$(PROJECT)-release.a: CXXFLAGS += $(RELEASE_CXXFLAGS) $(STATIC_FLAGS) $(STATIC_RELEASE_FLAGS)
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lib$(PROJECT)-release.a: LDFLAGS += $(RELEASE_LDFLAGS)
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lib$(PROJECT)-release.a: $(OBJ)
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$(AR) rcs $@ $^
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$(RANLIB) $@
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lib$(PROJECT)-debug.a: CFLAGS+= $(DEBUG_CFLAGS) $(STATIC_FLAGS) $(STATIC_DEBUG_FLAGS)
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lib$(PROJECT)-debug.a: CXXFLAGS += $(DEBUG_CXXFLAGS) $(STATIC_FLAGS) $(STATIC_DEBUG_FLAGS)
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lib$(PROJECT)-debug.a: LDFLAGS += $(DEBUG_LDFLAGS)
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lib$(PROJECT)-debug.a: $(OBJ)
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$(AR) rcs $@ $^
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$(RANLIB) $@
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lib$(PROJECT)-release.so: CFLAGS+= $(RELEASE_CFLAGS) $(SHARED_FLAGS) $(SHARED_RELEASE_FLAGS)
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lib$(PROJECT)-release.so: CXXFLAGS += $(RELEASE_CXXFLAGS) $(SHARED_FLAGS) $(SHARED_RELEASE_FLAGS)
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lib$(PROJECT)-release.so: LDFLAGS += $(RELEASE_LDFLAGS)
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lib$(PROJECT)-release.so: BINFLAGS += $(RELEASE_BINFLAGS)
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lib$(PROJECT)-release.so: $(OBJ)
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$(CXX) -shared $^ $(BINFLAGS) $(CXXFLAGS) -o $@ $(LDFLAGS)
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$(STRIP) $@
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lib$(PROJECT)-debug.so: CFLAGS+= $(DEBUG_CFLAGS) $(SHARED_FLAGS) $(SHARED_DEBUG_FLAGS)
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lib$(PROJECT)-debug.so: CXXFLAGS += $(DEBUG_CXXFLAGS) $(SHARED_FLAGS) $(SHARED_DEBUG_FLAGS)
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lib$(PROJECT)-debug.so: LDFLAGS += $(DEBUG_LDFLAGS)
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lib$(PROJECT)-debug.so: BINFLAGS += $(DEBUG_BINFLAGS)
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lib$(PROJECT)-debug.so: $(OBJ)
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$(CXX) -shared $^ $(BINFLAGS) $(CXXFLAGS) -o $@ $(LDFLAGS)
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lib$(PROJECT).a: lib$(PROJECT)-release.a
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ln -f $< $@
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lib$(PROJECT).so: LDFLAGS+= -Wl,-soname,lib$(PROJECT).so.$(VERSION_MAJOR)
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lib$(PROJECT).so: lib$(PROJECT)-release.so
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ln -f $< $@.$(VERSION)
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ln -sf $@.$(VERSION) $@.$(VERSION_MAJOR)
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ln -sf $@.$(VERSION_MAJOR) $@
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clean-rebuild:
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rm -rf obj
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clean: clean-rebuild
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rm -f lib$(PROJECT){,-{release,debug,pgo}}.{a,so{,.*}}
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rm -f $(PROJECT)-test
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install:
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install -d $(DESTDIR)$(PREFIX)/lib/
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install -m 644 lib$(PROJECT).a $(DESTDIR)$(PREFIX)/lib/
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install -s -m 755 lib$(PROJECT).so.$(VERSION) $(DESTDIR)$(PREFIX)/lib/
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ln -sf lib$(PROJECT).so.$(VERSION) $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).so.$(VERSION_MAJOR)
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ln -sf lib$(PROJECT).so.$(VERSION_MAJOR) $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).so
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install -d $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
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install -m 644 $(wildcard $(INCLUDE)/*.*) $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
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uninstall:
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-rm $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).{a,so{,.*}}
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cd $(INCLUDE) && find . -type f | xargs -I {} rm "$(DESTDIR)$(PREFIX)/include/$(PROJECT)/{}"
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-rmdir $(DESTDIR)$(PREFIX)/include/$(PROJECT)
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$(PROJECT)-test: LDFLAGS+= -lfmt -lstdc++
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$(PROJECT)-test: CFLAGS+= -Og -g
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$(PROJECT)-test: lib$(PROJECT)-debug.a
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$(CC) $(CFLAGS) src/test/*.c -o $@ -l:$< $(LDFLAGS)
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-valgrind ./$@
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