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| author | Romain Naour <romain.naour@gmail.com> | 2017-10-29 12:49:42 +0100 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-10-29 15:47:31 +0100 |
| commit | 27936318ae69146b34325533676af5f79d55fe7d (patch) | |
| tree | 579f1973092d8bd9cc00903bbc7b1ecc91c08195 /package/glibc | |
| parent | b7826807d10a75e4f8890ea06f8fc1d7a528ed64 (diff) | |
| download | buildroot-27936318ae69146b34325533676af5f79d55fe7d.tar.gz buildroot-27936318ae69146b34325533676af5f79d55fe7d.zip | |
package/glibc: remove mips r6 nan208 hook
This hook is not needed since glibc 2.23 [1] and can be safely removed.
[1] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=d5f2798a0ac9d5ad8ad7a506a2f840035135e2d2
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'package/glibc')
| -rw-r--r-- | package/glibc/glibc.mk | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/package/glibc/glibc.mk b/package/glibc/glibc.mk index 0b8b440ef1..548fc093cc 100644 --- a/package/glibc/glibc.mk +++ b/package/glibc/glibc.mk @@ -121,34 +121,4 @@ define GLIBC_INSTALL_TARGET_CMDS done endef -# MIPS R6 requires to have NaN2008 support which is currently not -# supported by the Linux kernel. In order to prevent building the -# glibc against kernels not having NaN2008 support on platforms that -# requires it, glibc currently checks for an (inexisting) 10.0.0 -# kernel headers version. -# -# Since in practice the kernel support for NaN2008 is not really -# required for things to work properly, we adjust the glibc check to -# make it believe that NaN2008 support was added in the kernel -# starting from version 4.0.0. -# -# In general the compatibility issues introduced by mis-matched NaN -# encodings will not cause a problem as signalling NaNs are rarely used -# in average code. For MIPS R6 there isn't actually any compatibility -# issue as the hardware is always NaN2008 and software is always -# NaN2008. The problem only comes from when older MIPS code is linked in -# via a DSO and multiple NaN encodings are introduced. Since Buildroot -# is intended to have all code built from source then this scenario is -# highly unlikely. The failure mode, if it ever occurs, would be either -# that a signalling NaN fails to raise an invalid operation exception or -# (more likely) an ordinary NaN raises an invalid operation exception. -ifeq ($(BR2_MIPS_CPU_MIPS32R6)$(BR2_MIPS_CPU_MIPS64R6),y) -define GLIBC_FIX_MIPS_R6 - $(SED) 's#10.0.0#4.0.0#' \ - $(@D)/sysdeps/unix/sysv/linux/mips/configure \ - $(@D)/sysdeps/unix/sysv/linux/mips/configure.ac -endef -GLIBC_POST_EXTRACT_HOOKS += GLIBC_FIX_MIPS_R6 -endif - $(eval $(autotools-package)) |
