Update library makefile to allow running custom targets before and after build and allow building of static and shared library in one invocation
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rexy712
parent
13c61f26a3
commit
8ac6068b8d
106
makefile.library
106
makefile.library
@ -11,7 +11,7 @@
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#You should have received a copy of the GNU General Public License
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#along with this program. If not, see <http://www.gnu.org/licenses/>.
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#Copyright 2018-2019 rexy712
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#Copyright 2018-2020 rexy712
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#Makefile to generate a single static or shared library from all the sources in SOURCE_DIRS ending in EXT
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@ -28,9 +28,11 @@ CFLAGS::=-g -std=c18 -Wall -pedantic -Wextra
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CXXFLAGS::=-g -std=c++17 -Wall -pedantic -Wextra
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EXT::=cpp
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LANG::=$(EXT)
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MAIN_LIBRARY::=test
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DLLOUT::=$(MAIN_LIBRARY).dll
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MAIN_LIBRARY::=tester
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PRE_TARGETS::=
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POST_TARGETS::=
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SHARED?=1
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STATIC?=0
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RELEASE?=0
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MEMCHK?=0
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@ -45,8 +47,8 @@ ifneq ($(WINDOWS),1)
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AR::=ar
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AS::=as
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else #windows
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#windows is a fuckwit
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#windows settings
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#windows is a fuckwit
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MINGW_PREFIX::=x86_64-w64-mingw32-
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CC::=$(MINGW_PREFIX)gcc
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CXX::=$(MINGW_PREFIX)g++
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@ -58,15 +60,25 @@ else #windows
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AS::=$(MINGW_PREFIX)as
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endif #windows
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ifeq ($(SHARED),1)
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ifeq ($(WINDOWS),1)
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INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).a
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else
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INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).so
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endif
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#Put your custom targets for PRE_TARGETS and POST_TARGETS here:
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###########################################################################################################
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#Everything past this point is internal BS, probably best not to touch it unless you know what you're doing
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#set the all target as the default target, otherwise the topmost target will run
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.DEFAULT_GOAL::=all
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#setup the actual output library name depending on shared/static and windows/anything else
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ifeq ($(WINDOWS),1)
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INTERNAL_SHARED_LIBRARY::=lib$(MAIN_LIBRARY).a
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else
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INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).a
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INTERNAL_SHARED_LIBRARY::=lib$(MAIN_LIBRARY).so
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endif
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SHARED_LIBRARY_FLAGS=-fPIC
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DLLOUT::=$(MAIN_LIBRARY).dll
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INTERNAL_STATIC_LIBRARY::=lib$(MAIN_LIBRARY).a
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#system dependant bullshit
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@ -98,6 +110,7 @@ endif
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ifeq ($(RELEASE),1)
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#a lot of false strict aliasing warnings from gcc 9
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COMPILER_FLAGS+=-O2 -Wno-strict-aliasing
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POST_TARGETS+= do_strip
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else ifeq ($(MEMCHK),1)
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#use asan to check memory leaks/invalid accesses
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LDFLAGS+=-fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls
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@ -107,35 +120,67 @@ else
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COMPILER_FLAGS+=-O0 -g3 -ggdb
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endif
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#add dependency tracking and include directories
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INTERNAL_COMPILERFLAGS=-c $(foreach dir,$(INCLUDE_DIRS),-I"$(dir)") -MMD -MP -MF"$(DEPDIR)/$(notdir $(patsubst %.o,%.d,$@))"
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ifeq ($(SHARED),1)
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INTERNAL_COMPILERFLAGS+=-fPIC
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INTERNAL_COMPILERFLAGS+=$(SHARED_LIBRARY_FLAGS)
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endif
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THIS_MAKEFILE_NAME::=$(lastword $(MAKEFILE_LIST))
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SOURCES::=$(foreach source,$(SOURCE_DIRS),$(foreach ext,$(EXT),$(wildcard $(source)/*.$(ext))))
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OBJECTS::=$(addprefix $(OBJDIR)/,$(subst \,.,$(subst /,.,$(addsuffix .o,$(SOURCES)))))
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.PHONY: all
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#generate a command to run a submake using this same makefile without printing "Entering directory" stuff
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#note: the empty line is required in this definition
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define RUN_SUBMAKE_TARGET
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@$(MAKE) --no-print-directory -f "$(THIS_MAKEFILE_NAME)" "$(1)" $(2)
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endef
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#default target: run targets in PRE_TARGETS, then build the main library, then POST_TARGETS
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.PHONY: all
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all:
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$(foreach target,$(PRE_TARGETS),$(call RUN_SUBMAKE_TARGET,$(target)))
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ifeq ($(SHARED),1)
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ifeq ($(WINDOWS),1)
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#target for windows shared library
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all: $(DLLOUT)
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$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
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$(COMPILER) -shared -o "$(DLLOUT)" $^ -Wl,--out-implib,"lib$(MAIN_LIBRARY).a" $(LDLIBS) $(LDFLAGS)
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$(DLLOUT): $(INTERNAL_MAIN_LIBRARY)
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$(call RUN_SUBMAKE_TARGET,$(DLLOUT))
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else #windows
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#target for *nix shared library
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all: $(INTERNAL_MAIN_LIBRARY)
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$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
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$(COMPILER) -shared -o "$@" $^ $(COMPILER_FLAGS) $(LDFLAGS) $(LDLIBS)
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$(call RUN_SUBMAKE_TARGET,$(INTERNAL_SHARED_LIBRARY))
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endif #windows
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else #shared
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endif #shared
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ifeq ($(STATIC),1)
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ifeq ($(SHARED),1)
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$(call RUN_SUBMAKE_TARGET,object_clean)
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endif #shared
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$(call RUN_SUBMAKE_TARGET,$(INTERNAL_STATIC_LIBRARY),SHARED=0)
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endif #static
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$(foreach target,$(POST_TARGETS),$(call RUN_SUBMAKE_TARGET,$(target)))
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ifeq ($(WINDOWS),1)
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#target for windows shared library
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$(DLLOUT): $(OBJECTS)
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$(COMPILER) -shared -o "$(DLLOUT)" $^ -Wl,--out-implib,"lib$(MAIN_LIBRARY).a" $(SHARED_LIBRARY_FLAGS) $(LDLIBS) $(LDFLAGS)
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else #windows
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#target for *nix shared library
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$(INTERNAL_SHARED_LIBRARY): $(OBJECTS)
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$(COMPILER) -shared -o "$@" $^ $(COMPILER_FLAGS) $(SHARED_LIBRARY_FLAGS) $(LDFLAGS) $(LDLIBS)
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endif #windows
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#target for static library
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all: $(INTERNAL_MAIN_LIBRARY)
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$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
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$(INTERNAL_STATIC_LIBRARY): $(OBJECTS)
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$(AR) rcs "$@" $^
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$(RANLIB) "$@"
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endif #shared
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#Called in POST_TARGETS when RELEASE=1
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.PHONY: do_strip
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do_strip:
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ifeq ($(SHARED),1)
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$(STRIP) --strip-debug "$(INTERNAL_SHARED_LIBRARY)"
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endif
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ifeq ($(STATIC),1)
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$(STRIP) --strip-debug "$(INTERNAL_STATIC_LIBRARY)"
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endif
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#Object target recipe
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define GENERATE_OBJECTS
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@ -152,10 +197,13 @@ $(OBJDIR):
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$(DEPDIR):
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$(call mkdir,"$@")
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.PHONY: clean
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clean:
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$(call rmdir,"$(DEPDIR)")
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.PHONY: object_clean
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object_clean:
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$(call rmdir,"$(OBJDIR)")
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.PHONY: clean
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clean: object_clean
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$(call rmdir,"$(DEPDIR)")
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$(call rm,"lib$(MAIN_LIBRARY).so")
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$(call rm,"lib$(MAIN_LIBRARY).a")
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$(call rm,"$(DLLOUT)")
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