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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 2020-01-06 11:38:46 -08:00
parent 13c61f26a3
commit 8ac6068b8d
1 changed files with 77 additions and 29 deletions
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106
makefile.library
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@ -11,7 +11,7 @@
#You should have received a copy of the GNU General Public License
#along with this program. If not, see <http://www.gnu.org/licenses/>.
#Copyright 2018-2019 rexy712
#Copyright 2018-2020 rexy712
#Makefile to generate a single static or shared library from all the sources in SOURCE_DIRS ending in EXT
@ -28,9 +28,11 @@ CFLAGS::=-g -std=c18 -Wall -pedantic -Wextra
CXXFLAGS::=-g -std=c++17 -Wall -pedantic -Wextra
EXT::=cpp
LANG::=$(EXT)
MAIN_LIBRARY::=test
DLLOUT::=$(MAIN_LIBRARY).dll
MAIN_LIBRARY::=tester
PRE_TARGETS::=
POST_TARGETS::=
SHARED?=1
STATIC?=0
RELEASE?=0
MEMCHK?=0
@ -45,8 +47,8 @@ ifneq ($(WINDOWS),1)
AR::=ar
AS::=as
else #windows
#windows is a fuckwit
#windows settings
#windows is a fuckwit
MINGW_PREFIX::=x86_64-w64-mingw32-
CC::=$(MINGW_PREFIX)gcc
CXX::=$(MINGW_PREFIX)g++
@ -58,15 +60,25 @@ else #windows
AS::=$(MINGW_PREFIX)as
endif #windows
ifeq ($(SHARED),1)
ifeq ($(WINDOWS),1)
INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).a
else
INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).so
endif
#Put your custom targets for PRE_TARGETS and POST_TARGETS here:
###########################################################################################################
#Everything past this point is internal BS, probably best not to touch it unless you know what you're doing
#set the all target as the default target, otherwise the topmost target will run
.DEFAULT_GOAL::=all
#setup the actual output library name depending on shared/static and windows/anything else
ifeq ($(WINDOWS),1)
INTERNAL_SHARED_LIBRARY::=lib$(MAIN_LIBRARY).a
else
INTERNAL_MAIN_LIBRARY::=lib$(MAIN_LIBRARY).a
INTERNAL_SHARED_LIBRARY::=lib$(MAIN_LIBRARY).so
endif
SHARED_LIBRARY_FLAGS=-fPIC
DLLOUT::=$(MAIN_LIBRARY).dll
INTERNAL_STATIC_LIBRARY::=lib$(MAIN_LIBRARY).a
#system dependant bullshit
@ -98,6 +110,7 @@ endif
ifeq ($(RELEASE),1)
#a lot of false strict aliasing warnings from gcc 9
COMPILER_FLAGS+=-O2 -Wno-strict-aliasing
POST_TARGETS+= do_strip
else ifeq ($(MEMCHK),1)
#use asan to check memory leaks/invalid accesses
LDFLAGS+=-fsanitize=address -fno-omit-frame-pointer -fno-optimize-sibling-calls
@ -107,35 +120,67 @@ else
COMPILER_FLAGS+=-O0 -g3 -ggdb
endif
#add dependency tracking and include directories
INTERNAL_COMPILERFLAGS=-c $(foreach dir,$(INCLUDE_DIRS),-I"$(dir)") -MMD -MP -MF"$(DEPDIR)/$(notdir $(patsubst %.o,%.d,$@))"
ifeq ($(SHARED),1)
INTERNAL_COMPILERFLAGS+=-fPIC
INTERNAL_COMPILERFLAGS+=$(SHARED_LIBRARY_FLAGS)
endif
THIS_MAKEFILE_NAME::=$(lastword $(MAKEFILE_LIST))
SOURCES::=$(foreach source,$(SOURCE_DIRS),$(foreach ext,$(EXT),$(wildcard $(source)/*.$(ext))))
OBJECTS::=$(addprefix $(OBJDIR)/,$(subst \,.,$(subst /,.,$(addsuffix .o,$(SOURCES)))))
.PHONY: all
#generate a command to run a submake using this same makefile without printing "Entering directory" stuff
#note: the empty line is required in this definition
define RUN_SUBMAKE_TARGET
@$(MAKE) --no-print-directory -f "$(THIS_MAKEFILE_NAME)" "$(1)" $(2)
endef
#default target: run targets in PRE_TARGETS, then build the main library, then POST_TARGETS
.PHONY: all
all:
$(foreach target,$(PRE_TARGETS),$(call RUN_SUBMAKE_TARGET,$(target)))
ifeq ($(SHARED),1)
ifeq ($(WINDOWS),1)
#target for windows shared library
all: $(DLLOUT)
$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
$(COMPILER) -shared -o "$(DLLOUT)" $^ -Wl,--out-implib,"lib$(MAIN_LIBRARY).a" $(LDLIBS) $(LDFLAGS)
$(DLLOUT): $(INTERNAL_MAIN_LIBRARY)
$(call RUN_SUBMAKE_TARGET,$(DLLOUT))
else #windows
#target for *nix shared library
all: $(INTERNAL_MAIN_LIBRARY)
$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
$(COMPILER) -shared -o "$@" $^ $(COMPILER_FLAGS) $(LDFLAGS) $(LDLIBS)
$(call RUN_SUBMAKE_TARGET,$(INTERNAL_SHARED_LIBRARY))
endif #windows
else #shared
endif #shared
ifeq ($(STATIC),1)
ifeq ($(SHARED),1)
$(call RUN_SUBMAKE_TARGET,object_clean)
endif #shared
$(call RUN_SUBMAKE_TARGET,$(INTERNAL_STATIC_LIBRARY),SHARED=0)
endif #static
$(foreach target,$(POST_TARGETS),$(call RUN_SUBMAKE_TARGET,$(target)))
ifeq ($(WINDOWS),1)
#target for windows shared library
$(DLLOUT): $(OBJECTS)
$(COMPILER) -shared -o "$(DLLOUT)" $^ -Wl,--out-implib,"lib$(MAIN_LIBRARY).a" $(SHARED_LIBRARY_FLAGS) $(LDLIBS) $(LDFLAGS)
else #windows
#target for *nix shared library
$(INTERNAL_SHARED_LIBRARY): $(OBJECTS)
$(COMPILER) -shared -o "$@" $^ $(COMPILER_FLAGS) $(SHARED_LIBRARY_FLAGS) $(LDFLAGS) $(LDLIBS)
endif #windows
#target for static library
all: $(INTERNAL_MAIN_LIBRARY)
$(INTERNAL_MAIN_LIBRARY): $(OBJECTS)
$(INTERNAL_STATIC_LIBRARY): $(OBJECTS)
$(AR) rcs "$@" $^
$(RANLIB) "$@"
endif #shared
#Called in POST_TARGETS when RELEASE=1
.PHONY: do_strip
do_strip:
ifeq ($(SHARED),1)
$(STRIP) --strip-debug "$(INTERNAL_SHARED_LIBRARY)"
endif
ifeq ($(STATIC),1)
$(STRIP) --strip-debug "$(INTERNAL_STATIC_LIBRARY)"
endif
#Object target recipe
define GENERATE_OBJECTS
@ -152,10 +197,13 @@ $(OBJDIR):
$(DEPDIR):
$(call mkdir,"$@")
.PHONY: clean
clean:
$(call rmdir,"$(DEPDIR)")
.PHONY: object_clean
object_clean:
$(call rmdir,"$(OBJDIR)")
.PHONY: clean
clean: object_clean
$(call rmdir,"$(DEPDIR)")
$(call rm,"lib$(MAIN_LIBRARY).so")
$(call rm,"lib$(MAIN_LIBRARY).a")
$(call rm,"$(DLLOUT)")