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* add option for new library Boost.JSON * drop patch 0001 as it's applied upstream * host: disable options that were added over time but never disabled for the host-build Signed-off-by: Michael Nosthoff <buildroot@heine.tech> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
Disable fenv.h in certain configurations
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The boost build system does not properly test whether fenv.h is
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available, and if it is, if it supports all the features used by
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Boost. This causes build failures with uClibc (reported upstream at
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https://svn.boost.org/trac/boost/ticket/11756) but also with glibc on
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specific architectures that don't have a full fenv implementation,
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such as NIOSII or Microblaze.
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To address this, we forcefully disable the use of fenv support in the
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affected configurations.
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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[Thomas: add Microblaze/NIOSII exclusions.]
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Index: b/boost/config/platform/linux.hpp
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===================================================================
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--- a/boost/config/platform/linux.hpp
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+++ b/boost/config/platform/linux.hpp
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@@ -48,6 +48,16 @@
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#endif
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//
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+// uClibc has no support for fenv.h, and also a few architectures
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+// don't have fenv.h support at all (or incomplete support) even with
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+// glibc.
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+
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+//
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+#if defined(__UCLIBC__) || defined(__nios2__) || defined(__microblaze__)
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+# define BOOST_NO_FENV_H
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+#endif
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+
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+//
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// If glibc is past version 2 then we definitely have
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// gettimeofday, earlier versions may or may not have it:
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//
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