X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=TP_11%2Fexo2%2FMakefile;h=d8dd23abf8ad190ea85e2fad57ea90069e80bd91;hb=5d64063095177554839e67ddc73193929f115d07;hp=50191de500f748c8923002c3d6175f2f082a35f3;hpb=f1294ffe51b4cee659a10f464966ce9e3c0c4fa6;p=TD_C.git

diff --git a/TP_11/exo2/Makefile b/TP_11/exo2/Makefile
index 50191de..d8dd23a 100644
--- a/TP_11/exo2/Makefile
+++ b/TP_11/exo2/Makefile
@@ -1,27 +1,34 @@
 # Sample Makefile to build simple project.
 #
 # This Makefile expect all source files (.c) to be at the same level, in the
-# current working directory.
+# $(SRC_PATH) directory.
+#
+# This Makefile expect all embedded library source files (.c) to be at the same level, in the
+# $(LIBRARY_PATH) directory.
 #
 # It will automatically generate dependencies, compile all files, and produce a
-# binary using the provided name.
+# binary using the provided name linked against the library if necessary.
 #
 # Set BINARY_NAME to the name of the binary file to build.
-# Set BUILD_TYPE to either debug or release
+# Set LIBRARY_NAME to the name of the library file to build.
+# The default path for the library code and object is lib.
+# By default the linker will look for $(BINARY_NAME) library name.
+# Set BUILD_TYPE to either debug or release.
 #
 # Automatic dependencies code from:
 # http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr
 BINARY_NAME=exo2
-LIBOBJS=clist.o ui.o# object to put in the library
-LIBRARY_NAME=libtpC
-#LDLIBS=-L. -ltpC
+SRC_PATH:=src
+LIBRARY_NAME=libexo2
+LIBRARY_PATH:=lib
 BUILD_TYPE=debug
+#BUILD_TYPE=release
 
 # ====================================
 # DO NOT CHANGE STUFF BEYOND THIS LINE
 # ====================================
 
-all: $(BINARY_NAME) $(BINARY_NAME).dynamic $(BINARY_NAME).staticlocal
+all: $(BINARY_NAME) $(BINARY_NAME).dynamic $(BINARY_NAME).static
 
 CC=gcc
 LD=gcc
@@ -29,76 +36,111 @@ AR=ar
 
 WARN_FLAGS = -Wall -Wextra
 STD_FLAG = -std=c11
+UNAME := $(shell uname -o)
 
 ifeq ($(BUILD_TYPE),debug)
 BUILDDIR := .build/debug
 DEBUG_FLAG = -g
 STRIP_FLAG =
 OPTI_FLAG = -O0
+LTO_SUPPORT = yes
+GOLD_SUPPORT = yes
 else
 BUILDDIR := .build/release
 DEBUG_FLAG =
 STRIP_FLAG = -s
-OPTIFLAG = -O3
+OPTI_FLAG = -O3
+LTO_SUPPORT = yes
+GOLD_SUPPORT = yes
+endif
+
+ifeq ($(UNAME),Cygwin)
+GOLD_SUPPORT = no
+endif
+
+ifeq ($(LTO_SUPPORT),yes)
+CFLAGS_LTO = -flto -ffat-lto-objects
+LDFLAGS_LTO = -fuse-linker-plugin -flto
+endif
+
+ifeq ($(GOLD_SUPPORT),yes)
+LDFLAGS_GOLD = -fuse-ld=gold
 endif
 
-#FIXME: Add a way to better control the library build
-CFLAGS := -fPIC $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG)
-LDFLAGS := $(LDFLAGS) $(STRIP_FLAG)
+# Putting header files in the source directory is not the purpose of this INCLUDES variable
+INCLUDES := $(INCLUDES) -I$(LIBRARY_PATH)
+CFLAGS := $(CFLAGS) $(CFLAGS_LTO) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) $(INCLUDES)
+LIBCFLAGS := -fPIC $(CFLAGS)
+LDFLAGS := $(LDFLAGS) $(LDFLAGS_LTO) $(LDFLAGS_GOLD) $(STRIP_FLAG)
 LIBLDFLAGS := -shared $(LDFLAGS)
+STATICLIBLDFLAGS := -static $(LDFLAGS)
+LDLIBS := $(LDLIBS) -L$(LIBRARY_PATH) -l$(BINARY_NAME)
 
 OBJDIR := $(BUILDDIR)/objs
 $(shell mkdir -p $(OBJDIR))
 
-SRCS=$(wildcard *.c)
-OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(SRCS))
-OBJSLIB=$(addprefix $(OBJDIR)/,$(LIBOBJS))
+SRCS=$(wildcard $(SRC_PATH)/*.c)
+LIBSRCS=$(wildcard $(LIBRARY_PATH)/*.c)
+OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(SRCS)))
+LIBOBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(LIBSRCS)))
 
 DEPDIR := $(BUILDDIR)/deps
 $(shell mkdir -p $(DEPDIR))
-DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Td
-POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
+DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$(notdir $*).Td
+POSTCOMPILE = mv -f $(DEPDIR)/$(notdir $*).Td $(DEPDIR)/$(notdir $*).d
 
-$(LIBRARY_NAME).a: $(OBJSLIB)
+$(LIBRARY_PATH)/$(LIBRARY_NAME).a: $(LIBOBJS)
 	@echo "[AR StO] $@"
 	@$(AR) rcs $@ $^
 
-$(LIBRARY_NAME).so: $(OBJSLIB)
+$(LIBRARY_PATH)/$(LIBRARY_NAME).so: $(LIBOBJS)
 	@echo "[LD ShO] $@"
-	@$(LD) $(CFLAGS) $(LIBLDFLAGS) $^ $(LDLIBS) -o $@
+	@$(LD) $(LIBCFLAGS) $(LIBLDFLAGS) $^ -o $@
+
+#$(BINARY_NAME): $(OBJS) $(LIBOBJS)
+#	@echo "[LD ] $@"
+#	@$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
-$(BINARY_NAME): $(OBJS)
+$(BINARY_NAME): $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).a
 	@echo "[LD ] $@"
 	@$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
-LOCALLDLIBS=-L. -ltpC
-$(BINARY_NAME).staticlocal: $(OBJDIR)/$(BINARY_NAME).o $(LIBRARY_NAME).a
+$(BINARY_NAME).static: $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).a
 	@echo "[LD ] $@"
-	@$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LOCALLDLIBS) $(LDLIBS) -o $@
+	@$(LD) $(CFLAGS) $(STATICLIBLDFLAGS) $^ $(LDLIBS) -o $@
 
-$(BINARY_NAME).dynamic: $(OBJDIR)/$(BINARY_NAME).o $(LIBRARY_NAME).so
+$(BINARY_NAME).dynamic: $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).so
 	@echo "[LD ] $@"
-	@$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LOCALLDLIBS) $(LDLIBS) -o $@
+	@$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
-$(OBJDIR)/%.o: %.c $(DEPDIR)/%.d
-	@echo "[C  ] $*"
+$(OBJDIR)/%.o: $(SRC_PATH)/%.c $(DEPDIR)/%.d
+	@echo "[C  ] $(notdir $*)"
 	@$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@
 	@$(POSTCOMPILE)
 
+include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS))))
+
+$(OBJDIR)/%.o: $(LIBRARY_PATH)/%.c $(DEPDIR)/%.d
+	@echo "[C  ] $(notdir $*)"
+	@$(CC) $(DEPFLAGS) $(LIBCFLAGS) -c $< -o $@
+	@$(POSTCOMPILE)
+
+include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(LIBSRCS))))
+
 $(DEPDIR)/%.d: ;
 
 .PRECIOUS: $(DEPDIR)/%.d
 
-include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS))))
+#FIXME: add an install target
 
 clean:
 	@echo "[CLN]"
 	-@rm -r $(BUILDDIR)
 	-@rm $(BINARY_NAME)
-	-@rm $(BINARY_NAME).staticlocal
+	-@rm $(BINARY_NAME).static
 	-@rm $(BINARY_NAME).dynamic
-	-@rm $(LIBRARY_NAME).so
-	-@rm $(LIBRARY_NAME).a
+	-@rm $(LIBRARY_PATH)/$(LIBRARY_NAME).a
+	-@rm $(LIBRARY_PATH)/$(LIBRARY_NAME).so
 
 disassemble: $(BINARY_NAME)
 	objdump -d $< | less