NetCube-Systems-Austria/kumquat-buildroot
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kumquat-buildroot/toolchain
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John Keeping bebf3d9d44 toolchain/toolchain-wrapper: let recent GCC handle SOURCE_DATE_EPOCH 
When using precompiled headers, changing any macros defined on the
command line will invalidate the precompiled header.  With
toolchain-wrapper adding __DATE__ and __TIME__, any commits to Buildroot
will invalidate incremental builds regardless of whether the precompiled
header actually uses those values (affecting _OVERRIDE_SRCDIR).

GCC-7 and later support SOURCE_DATE_EPOCH and use it to define __DATE__
and __TIME__ internally, avoiding any impact on precompiled headers.

Disable the custom handling in toolchain-wrapper if GCC is version 7 or
newer.

Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 408bc354a9)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2020-07-16 18:32:12 +02:00
..
toolchain toolchain/toolchain: set TOOLCHAIN_INSTALL_STAGING only once 2019-10-27 14:56:52 +01:00
toolchain-buildroot toolchain/toolchain-buildroot: PPC64(LE) support in musl requires ALTIVEC 2020-05-07 22:47:30 +02:00
toolchain-external toolchain/toolchain-external: fix call to check_kernel_headers_version 2020-04-06 17:08:41 +02:00
Config.in toolchain: introduce BR2_TOOLCHAIN_HAS_GCC_BUG_93847 2020-02-26 21:56:25 +01:00
helpers.mk toolchain: adjust version check to allow for single numbers 2020-07-13 09:05:01 +02:00
toolchain-wrapper.c toolchain/toolchain-wrapper: let recent GCC handle SOURCE_DATE_EPOCH 2020-07-16 18:32:12 +02:00
toolchain-wrapper.mk toolchain/toolchain-wrapper: let recent GCC handle SOURCE_DATE_EPOCH 2020-07-16 18:32:12 +02:00
toolchain.mk