icu: fix build failure for musl

musl doesn't have xlocale.h, and stdtod_l is crippled, so disable it.
See thread from OE:
http://lists.openembedded.org/pipermail/openembedded-core/2016-November/128527.html
Fixes:
http://autobuild.buildroot.net/results/6ca/6caebf0f6c4adf66e67bedd0f04155413a9aa7bd/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/icu/icu.mk b/package/icu/icu.mk
index 12406d7524380086aef56209d09a248e5feb7ece..b9e42de94b2339e2966c90e0edaa588eac09a857 100644 (file)
--- a/package/icu/icu.mk
+++ b/package/icu/icu.mk
@@ -25,6 +25,11 @@ ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
 ICU_CONF_ENV += LIBS="-latomic"
 endif
 
+# strtod_l() is not supported by musl; also xlocale.h is missing
+ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
+ICU_CONF_ENV += ac_cv_func_strtod_l=no
+endif
+
 HOST_ICU_CONF_OPTS = \
        --disable-samples \
        --disable-tests \