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platform: use KERNEL_VERSION to simplify uClibc version checking

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This makes reading the logic (as well as adding new code) a lot simpler,
and fixes one or two cases that were broken due to incorrect sub-version
tests.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2013-03-12 11:13:22 -04:00
parent bca5c556c4
commit 445e7543e8
3 changed files with 13 additions and 16 deletions
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4
coreutils/id.c
View File

@ -64,12 +64,10 @@
/* This is a NOEXEC applet. Be very careful! */ /* This is a NOEXEC applet. Be very careful! */
#if !ENABLE_USE_BB_PWD_GRP #if !ENABLE_USE_BB_PWD_GRP
#if defined(__UCLIBC_MAJOR__) && (__UCLIBC_MAJOR__ == 0) #if defined(__UCLIBC__) && UCLIBC_VERSION < KERNEL_VERSION(0, 9, 30)
#if (__UCLIBC_MINOR__ < 9) || (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ < 30)
#error "Sorry, you need at least uClibc version 0.9.30 for id applet to build" #error "Sorry, you need at least uClibc version 0.9.30 for id applet to build"
#endif #endif
#endif #endif
#endif
enum { enum {
PRINT_REAL = (1 << 0), PRINT_REAL = (1 << 0),

20
include/platform.h
View File

@ -263,6 +263,12 @@ typedef unsigned smalluint;
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#ifdef __UCLIBC__
# define UCLIBC_VERSION KERNEL_VERSION(__UCLIBC_MAJOR__, __UCLIBC_MINOR__, __UCLIBC_SUBLEVEL__)
#else
# define UCLIBC_VERSION 0
#endif
/* ---- Miscellaneous --------------------------------------- */ /* ---- Miscellaneous --------------------------------------- */
@ -305,8 +311,9 @@ typedef unsigned smalluint;
* for a mmu-less system. * for a mmu-less system.
*/ */
#if ENABLE_NOMMU || \ #if ENABLE_NOMMU || \
(defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \ (defined __UCLIBC__ && \
__UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__) UCLIBC_VERSION > KERNEL_VERSION(0, 9, 28) && \
!defined __ARCH_USE_MMU__)
# define BB_MMU 0 # define BB_MMU 0
# define USE_FOR_NOMMU(...) __VA_ARGS__ # define USE_FOR_NOMMU(...) __VA_ARGS__
# define USE_FOR_MMU(...) # define USE_FOR_MMU(...)
@ -373,13 +380,8 @@ typedef unsigned smalluint;
#define HAVE_NET_ETHERNET_H 1 #define HAVE_NET_ETHERNET_H 1
#define HAVE_SYS_STATFS_H 1 #define HAVE_SYS_STATFS_H 1
#if defined(__UCLIBC_MAJOR__) #if defined(__UCLIBC__) && UCLIBC_VERSION < KERNEL_VERSION(0, 9, 32)
# if __UCLIBC_MAJOR__ == 0 \ # undef HAVE_STRVERSCMP
&& ( __UCLIBC_MINOR__ < 9 \
|| (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ < 32) \
)
# undef HAVE_STRVERSCMP
# endif
#endif #endif
#if defined(__dietlibc__) #if defined(__dietlibc__)

5
networking/ether-wake.c
View File

@ -121,10 +121,7 @@ static void get_dest_addr(const char *hostid, struct ether_addr *eaddr)
eap = ether_aton_r(hostid, eaddr); eap = ether_aton_r(hostid, eaddr);
if (eap) { if (eap) {
bb_debug_msg("The target station address is %s\n\n", ether_ntoa(eap)); bb_debug_msg("The target station address is %s\n\n", ether_ntoa(eap));
#if !defined(__UCLIBC_MAJOR__) \ #if !defined(__UCLIBC__) || UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 30)
|| __UCLIBC_MAJOR__ > 0 \
|| __UCLIBC_MINOR__ > 9 \
|| (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ >= 30)
} else if (ether_hostton(hostid, eaddr) == 0) { } else if (ether_hostton(hostid, eaddr) == 0) {
bb_debug_msg("Station address for hostname %s is %s\n\n", hostid, ether_ntoa(eaddr)); bb_debug_msg("Station address for hostname %s is %s\n\n", hostid, ether_ntoa(eaddr));
#endif #endif