Place reproducible build date in source files instead of
actual build date if SOURCE_DATE_EPOCH available.
Signed-off-by: Oleh Matiusha <omati...@cisco.com>
---
...-Set-build-date-to-SOURCE_DATE_EPOCH.patch | 35 ++++++++++++++++
...m-Use-BUILD_DATE-for-reproducibility.patch | 40 +++++++++++++++++++
meta-oe/recipes-devtools/yasm/yasm_git.bb | 3 ++
3 files changed, 78 insertions(+)
create mode 100644
meta-oe/recipes-devtools/yasm/yasm/0001-yasm-Set-build-date-to-SOURCE_DATE_EPOCH.patch
create mode 100644
meta-oe/recipes-devtools/yasm/yasm/0002-yasm-Use-BUILD_DATE-for-reproducibility.patch
diff --git
a/meta-oe/recipes-devtools/yasm/yasm/0001-yasm-Set-build-date-to-SOURCE_DATE_EPOCH.patch
b/meta-oe/recipes-devtools/yasm/yasm/0001-yasm-Set-build-date-to-SOURCE_DATE_EPOCH.patch
new file mode 100644
index 000000000..e65c9853e
--- /dev/null
+++
b/meta-oe/recipes-devtools/yasm/yasm/0001-yasm-Set-build-date-to-SOURCE_DATE_EPOCH.patch
@@ -0,0 +1,35 @@
+From eb164bb201c0f792fa8aa78270c47294065183a3 Mon Sep 17 00:00:00 2001
+From: Oleh Matiusha <omati...@cisco.com>
+Date: Tue, 6 Feb 2024 09:33:11 +0000
+Subject: [PATCH 1/2] yasm: Set build date to SOURCE_DATE_EPOCH
+
+If SOURCE_DATE_EPOCH is set, use it to generate a reproducible
+string for BUILD_DATE.
+
+Signed-off-by: Oleh Matiusha <omati...@cisco.com>
+---
+ configure.ac | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 2823ecd..eeb51ce 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -103,6 +103,14 @@ AM_WITH_DMALLOC
+ #
+ AC_CHECK_HEADERS([strings.h libgen.h unistd.h direct.h sys/stat.h])
+
++# Use reproducible build date and time
++if test "$SOURCE_DATE_EPOCH"; then
++ DATE_FMT="%d %b %Y %H:%M:%S"
++ BUILD_DATE=$(LC_ALL=C date -u -d "@$SOURCE_DATE_EPOCH" "+$DATE_FMT")
++ AC_DEFINE_UNQUOTED([BUILD_DATE], ["$BUILD_DATE"], [Use reproducidle
build date])
++fi
++
++
+ #
+ # Checks for typedefs, structures, and compiler characteristics.
+ #
+--
+2.33.0
+
diff --git
a/meta-oe/recipes-devtools/yasm/yasm/0002-yasm-Use-BUILD_DATE-for-reproducibility.patch
b/meta-oe/recipes-devtools/yasm/yasm/0002-yasm-Use-BUILD_DATE-for-reproducibility.patch
new file mode 100644
index 000000000..665f3afc9
--- /dev/null
+++
b/meta-oe/recipes-devtools/yasm/yasm/0002-yasm-Use-BUILD_DATE-for-reproducibility.patch
@@ -0,0 +1,40 @@
+From 19fffab74a201dc41c3da7e74d86eafa8f68bbc6 Mon Sep 17 00:00:00 2001
+From: Oleh Matiusha <omati...@cisco.com>
+Date: Tue, 6 Feb 2024 09:34:26 +0000
+Subject: [PATCH] yasm: Use BUILD_DATE for reproducibility
+
+Use reproducible build date instead of compilation time and date.
+
+Signed-off-by: Oleh Matiusha <omati...@cisco.com>
+
+---
+ tools/re2c/parser.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/tools/re2c/parser.c b/tools/re2c/parser.c
+index 02d5c66..1c90aee 100644
+--- a/tools/re2c/parser.c
++++ b/tools/re2c/parser.c
+@@ -5,6 +5,7 @@
+ #include "tools/re2c/globals.h"
+ #include "tools/re2c/parse.h"
+ #include "tools/re2c/parser.h"
++#include "config.h"
+
+ int yylex(void);
+ static RegExp *parse_expr(void);
+@@ -233,7 +234,11 @@ void parse(FILE *i, FILE *o){
+ peektok = NONE;
+
+ fputs("/* Generated by re2c 0.9.1-C on ", o);
++#ifndef BUILD_DATE
+ fprintf(o, "%-24s", ctime(&now));
++#else
++ fprintf(o, "%-24s", BUILD_DATE " ");
++#endif
+ fputs(" */\n", o); oline+=2;
+
+ in = Scanner_new(i);
+--
+2.33.0
+
diff --git a/meta-oe/recipes-devtools/yasm/yasm_git.bb
b/meta-oe/recipes-devtools/yasm/yasm_git.bb
index 079f805d6..216b77766 100644
--- a/meta-oe/recipes-devtools/yasm/yasm_git.bb
+++ b/meta-oe/recipes-devtools/yasm/yasm_git.bb
@@ -14,6 +14,8 @@ SRC_URI =
"git://github.com/yasm/yasm.git;branch=master;protocol=https \
file://0001-Do-not-use-AC_HEADER_STDC.patch \
file://CVE-2023-31975.patch \
file://CVE-2023-37732.patch \
+ file://0001-yasm-Set-build-date-to-SOURCE_DATE_EPOCH.patch \
+ file://0002-yasm-Use-BUILD_DATE-for-reproducibility.patch \
"
S = "${WORKDIR}/git"
@@ -30,3 +32,4 @@ do_configure:prepend() {
# Don't include $CC (which includes path to sysroot) in generated header.
sed -i -e "s/^echo \"\/\* generated \$ac_cv_stdint_message \*\/\"
>>\$ac_stdint$"// ${S}/m4/ax_create_stdint_h.m4
}
+
--
2.33.0
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