C tools: move includes to subdir, Makefile

c/Makefile

@@ -0,0 +1,87 @@
+# Tools Makefile
+#
+# Copyright (C) 2022 Bruno Raoult ("br")
+# Licensed under the GNU General Public License v3.0 or later.
+# Some rights reserved. See COPYING.
+#
+# You should have received a copy of the GNU General Public License along with this
+# program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
+#
+
+SHELL  := /bin/bash
+CC     := gcc
+
+CFLAGS += -std=gnu99
+CFLAGS += -O2
+CFLAGS += -g
+CFLAGS += -Wall
+CFLAGS += -Wextra
+CFLAGS += -march=native
+CFLAGS += -Wmissing-declarations
+CFLAGS += -Wno-unused-result
+
+# for gprof
+#CFLAGS += -pg
+
+# Next one may be useful for valgrind (some invalid instructions)
+# CFLAGS += -mno-tbm
+
+CFLAGS += -DDEBUG_DEBUG		# activate general debug (debug.c)
+CFLAGS += -DDEBUG_POOL		# memory pools management
+
+INCDIR    := ./include
+LIBDIR    := ./lib
+OBJDIR    := ./obj
+
+LIBNAME   := br_$(shell uname -m)
+LIB       := lib$(LIBNAME)
+SLIB      := $(LIBDIR)/$(LIB).a
+DLIB      := $(LIBDIR)/$(LIB).so
+LIBSRC    := $(wildcard *.c)
+LIBOBJ    := $(addprefix $(OBJDIR)/,$(patsubst %.c,%.o,$(LIBSRC)))
+LDFLAGS   := -L$(LIBDIR)
+LDLIB     := -l$(LIB)
+
+export LD_LIBRARY_PATH = $(LIBDIR)
+#export PATH := .:$(PATH)
+
+.PHONY: all libs clean dirs
+
+all: libs
+
+libs: dirs $(DLIB) $(SLIB)
+
+dirs: $(LIBDIR) $(OBJDIR)
+
+$(LIBDIR) $(OBJDIR):
+	@echo creating $@ directory.
+	@mkdir $@
+
+clean:
+	@echo deleting $(OBJDIR) and $(LIBDIR) directories.
+	@$(RM) -rf $(LIBDIR) $(OBJDIR)
+
+$(SLIB): $(LIBOBJ)
+	@echo building $@ static library.
+	@$(AR) $(ARFLAGS) -o $@ $^
+
+$(DLIB): CFLAGS += -fPIC
+$(DLIB): LDFLAGS += -shared
+$(DLIB): $(LIBOBJ)
+	@echo building $@ shared library.
+	@$(CC) $(LDFLAGS) $^ -o $@
+
+.c:
+	@echo compiling $<
+	@$(CC) $(CFLAGS) $(LDFLAGS) -I $(INCDIR) $< $(LDLIB) -o $@
+
+#.c.o:
+$(OBJDIR)/%.o: %.c
+	@echo compiling $<.
+	@$(CC) -c $(CFLAGS) $(LDFLAGS) -I $(INCDIR) -o $@ $<
+
+.c.s:
+	@echo generating $@
+	@$(CC) -S -fverbose-asm $(CFLAGS) -I $(INCDIR) $< -o $@