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ntpd: fix fortify source compatibility

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The ntpd package ships autoconf macros which attempt to test for the C99
compliance of `snprintf()` and `vsnprintf()`.

Those macros unconditionally consider the functions not compliant in a cross
compile setting and therfore break all subsequent configure tests because
the `snprintf` and `vsnprintf` symbols are shadowed with `#define` directives
redirecting them to their respectiv gnulib replacements.

The fortify source headers in turn will `#undef` those defines when wrapping
the associated functions and therfore cause all `conftest` programs to emit
a failure.

Pass the required magic autoconf cache variables via `CONFIGURE_VARS` to let
`./configure` assume C99 compliance of the affected functions, thus fixing
the build.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
This commit is contained in:
Jo-Philipp Wich
2015-06-26 17:09:13 +02:00
parent 940c522cf6
commit cbf11196b7
1 changed files with 4 additions and 2 deletions
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net/ntpd/Makefile
+4 -2
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@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=ntp PKG_NAME:=ntp
PKG_VERSION:=4.2.8p2 PKG_VERSION:=4.2.8p2
PKG_RELEASE:=2 PKG_RELEASE:=3
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ PKG_SOURCE_URL:=http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/
@@ -93,7 +93,9 @@ endef
CONFIGURE_VARS += \ CONFIGURE_VARS += \
ac_cv_header_md5_h=no \ ac_cv_header_md5_h=no \
ac_cv_lib_rt_sched_setscheduler=no \ ac_cv_lib_rt_sched_setscheduler=no \
ac_cv_header_dns_sd_h=no ac_cv_header_dns_sd_h=no \
hw_cv_func_snprintf_c99=yes \
hw_cv_func_vsnprintf_c99=yes \
CONFIGURE_ARGS += \ CONFIGURE_ARGS += \
--disable-all-clocks \ --disable-all-clocks \