Commit 7603f9d3 authored by Thomas Petazzoni's avatar Thomas Petazzoni Committed by Peter Korsgaard
Browse files

gsl: fix build on !i386 uClibc 

uClibc pretends to implement <fenv.h> as it installs the header, but
in practice, it only implements the functions for i386. This makes gsl
unhappy as it detects fenv.h, but then cannot use the fenv functions.

Fixes:

  http://autobuild.buildroot.org/results/732cc07faeca2a9098dc5106e8f654eb1323451a/build-end.log



Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
parent 29b79269

package/gsl/gsl.mk

+13 −0
Original line number Diff line number Diff line
@@ -10,4 +10,17 @@ GSL_INSTALL_STAGING = YES 
GSL_LICENSE = GPLv3

GSL_LICENSE_FILES = COPYING



# uClibc pretends to have fenv support as it installs <fenv.h>, but in

# practice, it only implements it for i386. Problem reported upstream

# at: http://lists.busybox.net/pipermail/uclibc/2012-October/047067.html.

# So we tell gsl that fenv related functions are not available in this

# case.

ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC)$(BR2_TOOLCHAIN_CTNG_uClibc),y)

ifneq ($(BR2_i386),y)

GSL_CONF_ENV = \

       ac_cv_have_decl_feenableexcept=no \

       ac_cv_have_decl_fesettrapenable=no

endif

endif



$(eval $(autotools-package))