openssl: disable libressl on uClibc noMMU
uClibc doesn't implement __register_atfork() on noMMU systems, causing a build failure of libressl. Since openssl is available as an alternative on such platforms, we just disable libressl on uClibc/noMMU systems. Fixes: /home/thomas/projets/buildroot/output/build/libressl-2.5.5/crypto/.libs/libcrypto.a(arc4random.o): In function `_rs_init.part.1': arc4random.c:(.text+0x74): undefined reference to `__register_atfork' collect2: error: ld returned 1 exit status This build issue is not visible in the autobuilders, because libressl is only selectable through a choice, which isn't randomized by the autobuilder logic. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -48,6 +48,8 @@ endif
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config BR2_PACKAGE_LIBRESSL
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bool "libressl"
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depends on !BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL
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# uClibc on noMMU doesn't provide __register_atfork()
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depends on !(BR2_TOOLCHAIN_USES_UCLIBC && !BR2_USE_MMU)
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help
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LibreSSL is a version of the TLS/crypto stack forked from
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OpenSSL in 2014, with goals of modernizing the codebase,
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