really disable iconv, even for eglibc builds, there is no XAKE_ENV.

package/git/Makefile

@@ -18,11 +18,12 @@ include $(TOPDIR)/mk/package.mk
 
 $(eval $(call PKG_template,GIT,${PKG_NAME},$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
-XAKE_ENV+=		NO_PERL=1 NO_NSEC=1 NO_TCLTK=1 NO_PYTHON=1 \
+XAKE_FLAGS+=		NO_PERL=1 NO_NSEC=1 NO_TCLTK=1 NO_PYTHON=1 \
 			NO_INSTALL_HARDLINKS=1 NO_GETTEXT=1 NO_ICONV=1 \
 			CURLDIR=${STAGING_TARGET_DIR} \
 			EXPATDIR=${STAGING_TARGET_DIR}
 XAKE_FLAGS+=		uname_S=Linux uname_O=GNU/Linux
+CONFIGURE_ARGS+=	--without-iconv
 CONFIGURE_ENV+=		ac_cv_c_c99_format=yes \
 			ac_cv_fread_reads_directories=no \
 			ac_cv_snprintf_returns_bogus=no