Messages in this thread | | | Date | Wed, 02 Mar 2005 08:37:40 -0800 | From | "Randy.Dunlap" <> | Subject | Re: compilation problem of modules |
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sounak chakraborty wrote: > the code of the module that i written is as follows: > #define MODULE > #include <linux/module.h> > #include <linux/proc_fs.h> > #define MODULE_NAME "manti" > struct manti > { > char mm[20]; > }; > static struct proc_dir_entry *example_dir; > struct manti m1; > int init_module(void) > { > example_dir=proc_mkdir(MODULE_NAME,NULL); > if(example_dir==NULL) > { > printk("<1> error in creation of proc file\n"); > } > else > printk("<1>success in creation of proc dir\n"); > } > void cleanup_module(void) > { > remove_proc_entry(MODULE_NAME,NULL); > printk("<1>proc entry removed\n"); > } > > here iam just making one directory in the proc file > named manti > i am trying to compile it like > gcc -c proc.c > where the kernel version is 2.4.20-8 > > but i am getting following errors > > In file included from proc.c:5: > /usr/include/linux/proc_fs.h:47: parse error before > "off_t" > /usr/include/linux/proc_fs.h:51: parse error before > "off_t" > /usr/include/linux/proc_fs.h:57: parse error before > "mode_t" > /usr/include/linux/proc_fs.h:59: parse error before > "uid" > /usr/include/linux/proc_fs.h:60: parse error before > "gid" > /usr/include/linux/proc_fs.h:70: parse error before > "count" > /usr/include/linux/proc_fs.h:72: parse error before > "rdev" > /usr/include/linux/proc_fs.h:176: parse error before > "mode_t" > /usr/include/linux/proc_fs.h: In function > `proc_net_create': > /usr/include/linux/proc_fs.h:177: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h:177: (Each undeclared > identifier is reported only once > /usr/include/linux/proc_fs.h:177: for each function it > appears in.) > /usr/include/linux/proc_fs.h: At top level: > /usr/include/linux/proc_fs.h:181: parse error before > "mode_t" > /usr/include/linux/proc_fs.h: In function > `create_proc_entry': > /usr/include/linux/proc_fs.h:181: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h: In function > `proc_symlink': > /usr/include/linux/proc_fs.h:185: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h: At top level: > /usr/include/linux/proc_fs.h:186: parse error before > "mode_t" > /usr/include/linux/proc_fs.h: In function > `proc_mknod': > /usr/include/linux/proc_fs.h:187: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h: In function > `proc_mkdir': > /usr/include/linux/proc_fs.h:189: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h: At top level: > /usr/include/linux/proc_fs.h:192: parse error before > "mode_t" > /usr/include/linux/proc_fs.h:193: parse error before > "off_t" > /usr/include/linux/proc_fs.h:193: > `create_proc_read_entry' declared as function > returning a function > /usr/include/linux/proc_fs.h:196: parse error before > "mode_t" > /usr/include/linux/proc_fs.h: In function > `create_proc_info_entry': > /usr/include/linux/proc_fs.h:197: `NULL' undeclared > (first use in this function) > /usr/include/linux/proc_fs.h: At top level: > /usr/include/linux/proc_fs.h:203: `NULL' used prior to > declaration > proc.c: In function `init_module': > proc.c:16: `NULL' has an incomplete type > proc.c:17: invalid operands to binary == > proc.c: In function `cleanup_module': > proc.c:26: `NULL' has an incomplete type > > > > how to solve it > plz help me > is my compilation method is wrong or something else
compile/build is wrong. a minimum 2.4 kernel build needs at least:
gcc -c -D__KERNEL__ -DMODULE -O2 -nostdinc proc.c
and probably a few other flags/options.
-- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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