asked on

Makefile

Hi,

I'm trying to reuse a makefile, unfortuneatly i'm not that familar with their structure and am utter perplexed. Hopefully someone will be able to lend a hand. The error message I'm getting is:
"No rule to make target "test.o" needed by test.x. STOP"

******makefile***************
TARGET_ARCH = cygwin
CC = g++
OPT = -O3
DEBUG =
CFLAGS = $(DEBUG) $(OPT) -fexceptions
MODULE = test
SRCS = test.cpp
OBJS = $(SRCS:.cpp=.o)
include ./Makefile.defs

****** makefile.defs***********
SYSTEMC = /cgydrive/c/SystemC/systemc-2.0.1
INCDIR = -I. -I.. -I$(SYSTEMC)/include
LIBDIR = -L. -L.. -L$(SYSTEMC)/lib-$(TARGET_ARCH)
LIBS = -lsystemc -lm $(EXTRA_LIBS)
EXE = $(MODULE).x
.SUFFIXES: .cc .cpp .o .x
$(EXE): $(OBJS) $(SYSTEMC)/lib-$(TARGET_ARCH)/libsystemc.a
      $(CC) $(CFLAGS) $(INCDIR) $(LIBDIR) -o $@ $(OBJS) $(LIBS) 2>&1 | c++filt
.cpp.o:
      $(CC) $(CFLAGS) $(INCDIR) -c $<
.cc.o:
      $(CC) $(CFLAGS) $(INCDIR) -c $<
clean::
      rm -f $(OBJS) *~ $(EXE) core
ultraclean: clean
      rm -f Makefile.deps
Makefile.deps:
#      $(CC) $(CFLAGS) $(INCDIR) -M $(SRCS) >> Makefile.deps
#include Makefile.deps

jkr

Try

OBJS = test.o

stefan73

Hi trican,
You should check if you either have test.cc or test.cpp.

Cheers!

Stefan

trican

ASKER

Stefan - the file exists - test.h & test.cpp

jkr - when i do that, i get a message about the library I've included - no rule to make target "/cgydrive/c .....", but this has already been compiled

confused :-(

ASKER CERTIFIED SOLUTION

stefan73

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trican

ASKER

ouch indeed....
the library (systemc) contains its own makefiles etcso it seems to be getting more complicated by the second.

trican

ASKER

ok, things are getting slightly better,

here now is the error message i'm getting:
g++ -O3 -Wall -I. -I.. -I/home/*****/systemc-2.0.1/include -c -o src/Test.o src/Test.cpp
g++ -O3 -Wall -I. -I.. -I/home/****/systemc-2.0.1/include -L. -L.. -L/home/*****/systemc-2.0.1/lib-linux -o test.exe src/Test.o -lsystemc -lm 2>&1 | c++filt
/home/******/systemc-2.0.1/lib-linux/libsystemc.a(sc_main.o): In function `main':
sc_main.o(.text+0x1d): undefined reference to `sc_main'
collect2: ld returned 1 exit status

And this is the make file I'm using now.......

#Setup libraries etc
TARGET_ARCH = linux
SYSTEMC = /home/**********/systemc-2.0.1
INCDIR = -I. -I.. -I$(SYSTEMC)/include
LIBDIR = -L. -L.. -L$(SYSTEMC)/lib-$(TARGET_ARCH)
LIBS = -lsystemc -lm

#BME_1xPE makefile
CC = g++
OPT = -O3
DEBUG = -g
OTHER = -Wall
CFLAGS = $(OPT) $(OTHER)
#CFLAGS = $(DEBUG) $(OTHER) debug version
MODULE = test
EXE = $(MODULE).exe

SRCS:= src/Test.cpp
OBJS = $(SRCS:%.cpp=%.o)
#OBJS = $(SRCS:.cpp=.o) - when i use this it doesn't create the .o file

$(EXE) : $(OBJS) $(SYSTEMC)/lib-$(TARGET_ARCH)/libsystemc.a
      $(CC) $(CFLAGS) $(INCDIR) $(LIBDIR) -o $@ $(OBJS) $(LIBS) 2>&1 | c++filt

.cpp.o:
      $(CC) $(CFLAGS) $(INCDIR) -c $<

#%.o : %.cpp
#      $(CC) $(CFLAGS) $(INCDIR) -c -o $@ $<

# cleaning everything that can be automatically recreated with "make".
clean:
      /bin/rm -f $(EXE) $(OBJS)

#dependancies
Test.o : include/test.h

trican

ASKER

ok figured it out myself - neverthe less the pointers were helpful - so I'll still award the points to stefan73

incidentlyHow do you force the object files to be placed in a directory other than where the source file is located (just for tidyness)