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@@ -15,5 +15,14 @@ HOST_EXPAT_DEPENDENCIES = host-pkgconf
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EXPAT_LICENSE = MIT
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EXPAT_LICENSE_FILES = COPYING
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+# Kernel versions older than 3.17 do not support getrandom()
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+ifeq ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17),)
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+EXPAT_CONF_ENV += CPPFLAGS="$(TARGET_CPPFLAGS) -DXML_POOR_ENTROPY"
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+endif
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+
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+# Make build succeed on host kernel older than 3.17. getrandom() will still
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+# be used on newer kernels.
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+HOST_EXPAT_CONF_ENV += CPPFLAGS="$(HOST_CPPFLAGS) -DXML_POOR_ENTROPY"
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+
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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