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Date: Sun, 25 Nov 2007 00:17:42 -0500 (EST) From: "Robert P. J. Day" <rpjday@...shcourse.ca> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: "son of unifdef" just for the entertainment value, i ran "make headers_install" on my x86 box using the newer "sunifdef" utility, which has the advantage that it will remove parts of compound preprocessor conditionals. here's the diff output between the old and the new generated header directories: diff -r include.orig/asm/posix_types_32.h include.sunifdef/asm/posix_types_32.h 42c42 < #if defined(__KERNEL__) || defined(__USE_ALL) --- > #if defined(__USE_ALL) 49c49 < #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) --- > #if !defined(__GLIBC__) || __GLIBC__ < 2 diff -r include.orig/linux/acct.h include.sunifdef/linux/acct.h 62d61 < #if !defined(CONFIG_M68K) || !defined(__KERNEL__) 64d62 < #endif diff -r include.orig/linux/ext2_fs.h include.sunifdef/linux/ext2_fs.h 240c240 < #if defined(__KERNEL__) || defined(__linux__) --- > #if defined(__linux__) diff -r include.orig/linux/ext3_fs.h include.sunifdef/linux/ext3_fs.h 295c295 < #if defined(__KERNEL__) || defined(__linux__) --- > #if defined(__linux__) diff -r include.orig/linux/nfs3.h include.sunifdef/linux/nfs3.h 99c99 < #if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES) --- > #if defined(NFS_NEED_KERNEL_TYPES) diff -r include.orig/linux/socket.h include.sunifdef/linux/socket.h 19c19 < #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) --- > #if !defined(__GLIBC__) || __GLIBC__ < 2 diff -r include.orig/linux/soundcard.h include.sunifdef/linux/soundcard.h 1036c1036 < #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) --- > #if !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL) || defined(USE_SEQ_MACROS) diff -r include.orig/linux/stat.h include.sunifdef/linux/stat.h 5c5 < #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) --- > #if !defined(__GLIBC__) || __GLIBC__ < 2 diff -r include.orig/linux/videodev.h include.sunifdef/linux/videodev.h 17d16 < #if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__) 297d295 < #endif /* CONFIG_VIDEO_V4L1_COMPAT */ diff -r include.orig/video/edid.h include.sunifdef/video/edid.h 4d3 < #if !defined(__KERNEL__) || defined(CONFIG_X86) 11d9 < #endif in addition, sunifdef whined as follows: UNIFDEF include/linux/netlink.h sunifdef: /home/rpjday/k/git/include/linux/netlink.h: line 205: warning 0x02070: Garbage following preprocessor directive in "#if PAGE_SIZE < 8192UL" (#if line 152 depth 2) i'm guessing it's that "UL" suffix it doesn't like. rday ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://crashcourse.ca ======================================================================== - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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