diff --git a/package/enlightenment/enlightenment.mk b/package/enlightenment/enlightenment.mk
index 389636d38f..64e3d9ecf6 100644
--- a/package/enlightenment/enlightenment.mk
+++ b/package/enlightenment/enlightenment.mk
@@ -28,6 +28,11 @@ ENLIGHTENMENT_CONF_OPT = --with-edje-cc=$(HOST_DIR)/usr/bin/edje_cc \
 			 --with-eet-eet=$(HOST_DIR)/usr/bin/eet \
 			 --disable-rpath
 
+# uClibc has an old incomplete sys/ptrace.h for powerpc & sparc
+ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC)$(BR2_powerpc)$(BR2_sparc),yy)
+ENLIGHTENMENT_CONF_ENV += ac_cv_header_sys_ptrace_h=no
+endif
+
 # alsa backend needs mixer support
 ifeq ($(BR2_PACKAGE_ALSA_LIB)$(BR2_PACKAGE_ALSA_LIB_MIXER),yy)
 ENLIGHTENMENT_DEPENDENCIES += alsa-lib