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libjpeg-turbo: improve reproducibility

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Build date ends up embbedded in binary images, breaking reproducibility
of jpeg-tools and libturbojpeg. To enable reproducible builds, build date can be
specified during configuration, via "--with_build_date=<date>".
If SOURCE_DATE_EPOCH is specified we configure libjpeg-turbo with this value as
build date. Although the build date is a generic string, we keep it in the same
format YYYYMMDD.

[YOCTO #12526]

(From OE-Core rev: 46a39fe9fa2bc8f58ec822434b9ace9ab5572c82)

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Juro Bystricky
2018-03-01 14:53:18 -08:00
committed by Richard Purdie
parent 5925bfe412
commit e76cba5ae1
1 changed files with 8 additions and 0 deletions
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meta/recipes-graphics/jpeg/libjpeg-turbo_1.5.3.bb
+8
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@@ -40,6 +40,14 @@ EXTRA_OECONF_append_class-target = " ${@bb.utils.contains("MIPSPKGSFX_FPU", "-nf
EXTRA_OECONF_append_class-target_powerpc = " ${@bb.utils.contains("TUNE_FEATURES", "altivec", "", "--without-simd", d)}"
EXTRA_OECONF_append_class-target_powerpc64 = " ${@bb.utils.contains("TUNE_FEATURES", "altivec", "", "--without-simd", d)}"
def get_build_time(d):
if d.getVar('SOURCE_DATE_EPOCH') != None:
import datetime
return " --with-build-date="+ datetime.datetime.fromtimestamp(float(d.getVar('SOURCE_DATE_EPOCH'))).strftime("%Y%m%d")
return ""
EXTRA_OECONF_append_class-target = "${@get_build_time(d)}"
PACKAGES =+ "jpeg-tools libturbojpeg"
DESCRIPTION_jpeg-tools = "The jpeg-tools package includes client programs to access libjpeg functionality. These tools allow for the compression, decompression, transformation and display of JPEG files and benchmarking of the libjpeg library."