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authorHauke Mehrtens <hauke@openwrt.org>2016-04-17 12:49:30 +0000
committerHauke Mehrtens <hauke@openwrt.org>2016-04-17 12:49:30 +0000
commitde2a8355f2083a435b65c5bcd74f563bfa22fb6f (patch)
treed2d24007d3b8a33493456344185ad81ff79b3161 /toolchain/uClibc/config
parentd100e7268dc869ede6c06ba0a4af0a1408dd96ae (diff)
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toolchain/uClibc: enable UCLIBC_HAS_OBSOLETE_BSD_SIGNAL
This is required to build net-snmp. If that options is disabled in uClibc then net-snmp doesn't detect sighold support on its configuration stage and so defines HAVE_SIGHOLD as 0. That in its turn causes compilation of the following branch of timerPause() in apps/snmpnetstat: ------------------>8---------------- int oldmask; oldmask = sigblock(sigmask(SIGALRM)); if (!signalled) { sigpause(0); } sigsetmask(oldmask); ------------------>8---------------- Now in uClibc all 3 sigblock(), sigmask() and sigsetmask() were removed back in 2005, see: https://git.busybox.net/uClibc/commit/?id=5aa7aa7fa7ec2a0fe567ac0b2595b46add6f3594 And all that causes net-snmp linkage to fail this way: ------------------>8---------------- .libs/if.o: In function `intpr': if.c:(.text+0x908): undefined reference to `sigmask' if.c:(.text+0x90e): undefined reference to `sigblock' if.c:(.text+0x924): undefined reference to `sigsetmask' ------------------>8---------------- If we enable UCLIBC_HAS_OBSOLETE_BSD_SIGNAL in uClibc then branch with sighold is used in timerPause() and everything builds as expected. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@49178 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'toolchain/uClibc/config')
-rw-r--r--toolchain/uClibc/config/common2
1 files changed, 1 insertions, 1 deletions
diff --git a/toolchain/uClibc/config/common b/toolchain/uClibc/config/common
index ec72701a22..b476639626 100644
--- a/toolchain/uClibc/config/common
+++ b/toolchain/uClibc/config/common
@@ -144,7 +144,7 @@ UCLIBC_HAS_LIBUTIL=y
UCLIBC_HAS_LONG_DOUBLE_MATH=y
UCLIBC_HAS_NETWORK_SUPPORT=y
UCLIBC_HAS_NFTW=y
-# UCLIBC_HAS_OBSOLETE_BSD_SIGNAL is not set
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
# UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
UCLIBC_HAS_PRINTF_M_SPEC=y
# UCLIBC_HAS_PROFILING is not set