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@@ -10,4 +10,17 @@ GSL_INSTALL_STAGING = YES
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GSL_LICENSE = GPLv3
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GSL_LICENSE_FILES = COPYING
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+# uClibc pretends to have fenv support as it installs <fenv.h>, but in
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+# practice, it only implements it for i386. Problem reported upstream
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+# at: http://lists.busybox.net/pipermail/uclibc/2012-October/047067.html.
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+# So we tell gsl that fenv related functions are not available in this
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+# case.
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+ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC)$(BR2_TOOLCHAIN_CTNG_uClibc),y)
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+ifneq ($(BR2_i386),y)
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+GSL_CONF_ENV = \
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+ ac_cv_have_decl_feenableexcept=no \
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+ ac_cv_have_decl_fesettrapenable=no
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+endif
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+endif
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+
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$(eval $(autotools-package))
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