Makefile.linux-gcc

# SPDX-License-Identifier: MIT
#
# Copyright (c) 2019 Toshiba Corporation

# make switches
# TESTLIB: If yes, this makes library suited for test which outputs logs to stdout
# M64: If yes, this makes 64bit library and test program. if not yes, 32bit.
# DESTDIR: output directory

TESTLIB=no
M64=yes
DESTDIR=./build

# compiler and archiver

CC=gcc
AR=ar

# compiler and linker options depends on library, test library and test program

CFLAGS_LIB=-O3 -Werror -Wall -Wextra -g -fPIC -DNDEBUG -DPSM_LIBRARY_BUILD
LDFLAGS_LIB=-lpthread

CFLAGS_TEST=-O3 -Werror -Wall -Wextra -g -fPIC -DNDEBUG
LDFLAGS_TEST=$(LDFLAGS_LIB) -ldl -rdynamic -lpsm$(MTSFX)

CFLAGS_TESTLIB=-DUSE_TEST_HOOK=1 -DTESTLOG -DEBUG -UNDEBUG
LDFLAGS_TESTLIB=

ifeq ($(M64),yes)
MSFX=
MFLAG=-m64
else
MSFX=32
MFLAG=-m32
endif

ifeq ($(TESTLIB),yes)
TSFX=_mod
CFLAGS_LIB+=$(CFLAGS_TESTLIB)
LDFLAGS_LIB+=$(LDFLAGS_TESTLIB)
else
TSFX=
endif

CFLAGS_LIB+=$(MFLAG)
LDFLAGS_LIB+=$(MFLAG)
CFLAGS_TEST+=$(MFLAG)
LDFLAGS_TEST+=$(MFLAG)
CFLAGS_TESTLIB+=$(MFLAG)
LDFLAGS_TESTLIB+=$(MFLAG)

# file naming rules for test library and 32/64bit
# "32" suffix stands for 32bit program
# "_mod" suffix stands for program enabled test functions

MTSFX=$(MSFX)$(TSFX)

PSM_OBJS=$(DESTDIR)/psm$(MTSFX).o $(DESTDIR)/psm_linux$(MTSFX).o $(DESTDIR)/psm_dlmalloc$(MTSFX).o
PSM_SOLIB=$(DESTDIR)/libpsm$(MTSFX).so
PSM_TEST=$(DESTDIR)/psm_test$(MTSFX)

TARGET=$(PSM_SOLIB) $(PSM_TEST)

all: $(DESTDIR) $(TARGET)

$(DESTDIR):
	mkdir -p $(DESTDIR)

$(PSM_SOLIB): $(PSM_OBJS)
	$(CC) -shared $(PSM_OBJS) -o $(PSM_SOLIB) $(LDFLAGS_TESTLIB)

$(PSM_TEST): $(PSM_SOLIB) $(DESTDIR)/psm_test$(MTSFX).o
	$(CC) -o $(PSM_TEST) $(DESTDIR)/psm_test$(MTSFX).o -L$(DESTDIR) $(LDFLAGS_TEST) -Wl,-rpath=.

$(DESTDIR)/psm$(MTSFX).o: psm.c psm.h
	$(CC) $(CFLAGS_LIB) -o $(DESTDIR)/psm$(MTSFX).o -c psm.c

$(DESTDIR)/psm_dlmalloc$(MTSFX).o: psm_dlmalloc.c psm_dlmalloc.h
	$(CC) $(CFLAGS_LIB) -o $(DESTDIR)/psm_dlmalloc$(MTSFX).o -c psm_dlmalloc.c

$(DESTDIR)/psm_linux$(MTSFX).o: psm_linux.c psm_linux.h
	$(CC) $(CFLAGS_LIB) -o $(DESTDIR)/psm_linux$(MTSFX).o -c psm_linux.c

$(DESTDIR)/psm_test$(MTSFX).o: psm_test.c
	$(CC) $(CFLAGS_TEST) -o $(DESTDIR)/psm_test$(MTSFX).o -c psm_test.c

clean:
	rm -rf $(TARGET) $(DESTDIR)/*.o *~

.PHONY: all clean