include ../Makefile.arch

LIBNAME=libconfig.a

UNIXSRC=\
	unix/cfgpriv_unix.c 

SRC=\
	source/config.c \
	source/cfgpriv.c \
	source/fileio.c \
	$(UNIXSRC)

SRCDIR=./source

OBJ= $(patsubst %.o,${OBJINST}/%.o,$(notdir $(SRC:.c=.o)))

all: $(LIBDIR) $(LIBDIR)/$(LIBNAME)

$(LIBDIR)/$(LIBNAME): $(OBJ)
	$(AR) $@ $(OBJ)



${OBJINST}/%.o :${SRC}
	@echo ${SRC}
	@if [ ! -d $(OBJINST) ] ; then $(MKDIR) $(OBJINST) ; fi
	$(CC) $(CFLAGS) -c -o $@ $<

$(LIBDIR):
	@$(MKDIR) $(LIBDIR)

clean:
	-$(RM) $(OBJ) $(LIBDIR)/$(LIBNAME)
	-$(RMDIR) $(ARCH)


# make -f Makefile.mak
source/config.c source/cfgpriv.c source/fileio.c unix/cfgpriv_unix.c
cc -DMPA4096=1 -DHAVE_INTTYPES_H -DHAVE_SYSTYPES_H -D'tell(x)=lseek(x,0,SEEK_CUR)' -fPIC -Dushort_t='unsigned short'  -Duint_t='unsigned int' -Dulong_t='unsigned long'  -DLINUX -DIS_LITTLE_ENDIAN -DHAS_STRSIGNAL -DNOIDENT -Wall -Werror -I../../include -I../include -I. -I./headers -DBITS32=1 -c -o linux-i386/config.o source/config.c
source/config.c source/cfgpriv.c source/fileio.c unix/cfgpriv_unix.c
cc -DMPA4096=1 -DHAVE_INTTYPES_H -DHAVE_SYSTYPES_H -D'tell(x)=lseek(x,0,SEEK_CUR)' -fPIC -Dushort_t='unsigned short'  -Duint_t='unsigned int' -Dulong_t='unsigned long'  -DLINUX -DIS_LITTLE_ENDIAN -DHAS_STRSIGNAL -DNOIDENT -Wall -Werror -I../../include -I../include -I. -I./headers -DBITS32=1 -c -o linux-i386/cfgpriv.o source/config.c
source/config.c source/cfgpriv.c source/fileio.c unix/cfgpriv_unix.c
cc -DMPA4096=1 -DHAVE_INTTYPES_H -DHAVE_SYSTYPES_H -D'tell(x)=lseek(x,0,SEEK_CUR)' -fPIC -Dushort_t='unsigned short'  -Duint_t='unsigned int' -Dulong_t='unsigned long'  -DLINUX -DIS_LITTLE_ENDIAN -DHAS_STRSIGNAL -DNOIDENT -Wall -Werror -I../../include -I../include -I. -I./headers -DBITS32=1 -c -o linux-i386/fileio.o source/config.c
source/config.c source/cfgpriv.c source/fileio.c unix/cfgpriv_unix.c
cc -DMPA4096=1 -DHAVE_INTTYPES_H -DHAVE_SYSTYPES_H -D'tell(x)=lseek(x,0,SEEK_CUR)' -fPIC -Dushort_t='unsigned short'  -Duint_t='unsigned int' -Dulong_t='unsigned long'  -DLINUX -DIS_LITTLE_ENDIAN -DHAS_STRSIGNAL -DNOIDENT -Wall -Werror -I../../include -I../include -I. -I./headers -DBITS32=1 -c -o linux-i386/cfgpriv_unix.o source/config.c
ar -r /windows/ptkc_64/331/rc5/prod/lib/linux-i386/libconfig.a linux-i386/config.o linux-i386/cfgpriv.o linux-i386/fileio.o linux-i386/cfgpriv_unix.o
ar: creating /windows/ptkc_64/331/rc5/prod/lib/linux-i386/libconfig.a

Look at the source and object file names in the gcc command execution