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* [ptxdist] [PATCH] host-tz-database: use snprintf provided by the host compiler
@ 2018-02-12 10:40 Roland Hieber
  0 siblings, 0 replies; only message in thread
From: Roland Hieber @ 2018-02-12 10:40 UTC (permalink / raw)
  To: ptxdist; +Cc: Roland Hieber

On certain host libc's, this prevents errors like:

  make[1]: Entering directory '/home/itk/bsp/platform-cpu20/build-host/tz-database'
  cc -DTZDIR=\"/usr/share/zoneinfo\"    -c -o zdump.o zdump.c
  zdump.c:803:1: error: static declaration of 'snprintf' follows non-static declaration
     snprintf(char *s, size_t size, char const *format, ...)
     ^
  In file included from zdump.c:23:0:
  /usr/include/stdio.h:386:12: note: previous declaration of 'snprintf' was here
     extern int snprintf (char *__restrict __s, size_t __maxlen,
                ^
  <builtin>: recipe for target 'zdump.o' failed
  make[1]: *** [zdump.o] Error 1

Signed-off-by: Roland Hieber <r.hieber@pengutronix.de>
---
 rules/host-tz-database.make | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rules/host-tz-database.make b/rules/host-tz-database.make
index 264ced653..ce245feb5 100644
--- a/rules/host-tz-database.make
+++ b/rules/host-tz-database.make
@@ -66,8 +66,8 @@ $(STATEDIR)/host-tz-database.extract:
 HOST_TZ_DATABASE_PATH		:= PATH=$(HOST_PATH)
 HOST_TZ_DATABASE_CONF_TOOL	:= NO
 HOST_TZ_DATABASE_MAKE_OPT	:= \
-	zic TZDIR=/usr/share/zoneinfo CFLAGS=-DSTD_INSPIRED
+	zic TZDIR=/usr/share/zoneinfo CFLAGS="-DSTD_INSPIRED -DHAVE_SNPRINTF"
 HOST_TZ_DATABASE_INSTALL_OPT	:= \
-	posix_only TZDIR=/usr/share/zoneinfo
+	posix_only TZDIR=/usr/share/zoneinfo CFLAGS="-DHAVE_SNPRINTF"
 
 # vim: syntax=make
-- 
2.11.0


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