Messages in this thread |  | | From | "Ulrich Windl" <> | Date | Thu, 2 May 1996 11:11:37 +0200 | Subject | Re: PATCH: /proc/cflags |
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On 1 May 96 at 16:51, Joe wrote:
> The patch below adds an entry to /proc that represents the CFLAGS > definition passed to gcc at compile time.
Do we really need this? Why not adding it to /proc/version (if you think you'll need it)?
> > The CFLAGS value is defined in linux/compile.h as LINUX_CFLAGS. > > This diff should apply to all recent kernels. > > .-. > . |- > -- -- | | > \_/ > > > --- linux/Makefile.orig Wed May 1 13:01:45 1996 > +++ linux/Makefile Wed May 1 13:30:22 1996 > @@ -230,6 +230,7 @@ > echo \#define LINUX_COMPILE_DOMAIN ; \ > fi >> .ver > @echo \#define LINUX_COMPILER \"`$(HOSTCC) -v 2>&1 | tail -1`\" >> .ver > + @echo \#define LINUX_CFLAGS \"$(CFLAGS)\" >> .ver > @mv -f .ver $@ > > include/linux/version.h: ./Makefile > --- linux/include/linux/proc_fs.h.orig Wed May 1 13:11:54 1996 > +++ linux/include/linux/proc_fs.h Wed May 1 13:12:43 1996 > @@ -42,7 +42,8 @@ > PROC_SYS, > PROC_MTAB, > PROC_MD, > - PROC_RTC > + PROC_RTC, > + PROC_CFLAGS > }; > > enum pid_directory_inos { > --- linux/fs/proc/root.c.orig Wed May 1 13:21:18 1996 > +++ linux/fs/proc/root.c Wed May 1 16:20:31 1996 > @@ -359,6 +359,11 @@ > }); > #endif > > + proc_register(&proc_root, &(struct proc_dir_entry) { > + PROC_CFLAGS, 6, "cflags", > + S_IFREG | S_IRUGO, 1, 0, 0, > + }); > + > proc_register( &proc_root, &(struct proc_dir_entry) > { PROC_MTAB, 6, "mounts", S_IFREG | S_IRUGO, 1, 0, 0, } ); > > --- linux/fs/proc/array.c.orig Wed May 1 13:13:45 1996 > +++ linux/fs/proc/array.c Wed May 1 13:22:29 1996 > @@ -43,6 +43,7 @@ > #include <linux/mm.h> > #include <linux/pagemap.h> > #include <linux/swap.h> > +#include <linux/compile.h> > > #include <asm/segment.h> > #include <asm/pgtable.h> > @@ -317,6 +318,11 @@ > return sprintf(buffer, "%s\n", saved_command_line); > } > > +static int get_cflags(char * buffer) > +{ > + return sprintf(buffer, "%s\n", LINUX_CFLAGS); > +} > + > static struct task_struct ** get_task(pid_t pid) > { > struct task_struct ** p; > @@ -1041,6 +1047,8 @@ > case PROC_RTC: > return get_rtc_status(page); > #endif > + case PROC_CFLAGS: > + return get_cflags(page); > } > return -EBADF; > } > >
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