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Old 04-23-2008, 12:07 PM   #1
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SOLARIS .KEEP_STATE equivalent command for LINUX to use in makefile

ON Linux cc files do not get recompiled if the header file it depends on is changed or the file itself is changed.
This works on SOLARIS because .KEEP_STATE target is defined in Makefile. Sravanthi needs to research this type of option in Linux - has something to do with dependancies
Old 04-27-2008, 05:33 AM   #2
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Have a look at makedepend.

Alternatively, I think (but I'm not 100% sure) you can install Sun make on Linux with Sun Studio for Linux.
Old 07-23-2008, 02:16 AM   #3
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Originally Posted by jlliagre View Post
Have a look at makedepend.

Alternatively, I think (but I'm not 100% sure) you can install Sun make on Linux with Sun Studio for Linux.
Thanks for your reply. Now my cc files recompiles automatically after changes. I used gcc dependancy flags to create dependacy files. Below is the sample cc file and make file which works.

Folder structure with 2 c files, 2 header files, makefile and rh3 folder to create .d files in folder.

ia32-cross: pwd
ia32-cross: ls
a.c b.c d1.h d2.h d3.h Makefile.subdirs_fix rh3

My Makefile:
ia32-cross: cat Makefile.subdirs_fix

OBJS=a.o \
CC = gcc

all: $(OBJECTS)

$(obj)%.o: %.c
#generate the *.d file with the dependency targets.
$(CC) -MM -MP -MT $@ $< > $(subst .o,.d,$@)
$(CC) $(CFLAGS) -c $*.c -fPIC -o $@

#include the dependency files [Note no tab before "-"]
-include $(OBJECTS:.o=.d)

C and header files:
ia32-cross: cat a.c

#include "d1.h"
#include "d2.h"

int main(){
printf("hello world\n");

ia32-cross: cat b.c

#include "d1.h"

int f(){
printf("f() called\n");
return 0;

ia32-cross: cat d1.h

#ifndef _D1_H
#define DEP1 1

ia32-cross: cat d2.h
#ifndef _D2_H
#define DEP2 2

#include "d3.h"



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