python,python3: honour the SOURCE_DATE_EPOCH for the build-info

The Modules/getbuildinfo.c allows the use of DATE and TIME
macros to be defined via CFLAGS.

These vars, control the build date & time when the
interpreter is opened, and can be read via the
`platform._sys_version()` function.

So, a conversion from SOURCE_DATE_EPOCH to DATE & TIME
is required at build-time.

This is especially needed for `platform._sys_version()`
to work.
The installation of pip seems to rely on this.

The logic has been adapted from:
 https://wiki.debian.org/ReproducibleBuilds/TimestampsProposal#Makefile

Signed-off-by: Alexandru Ardelean <redacted>

diff --git a/lang/python/python/Makefile b/lang/python/python/Makefile
index e7500f66d3b3d85b2c0f1677945024da050123b2..8064a6b83cc719ed5078b367dceb04645968d2b4 100644 (file)
--- a/lang/python/python/Makefile
+++ b/lang/python/python/Makefile
@@ -12,7 +12,7 @@ include ./files/python-version.mk
 
 PKG_NAME:=python
 PKG_VERSION:=$(PYTHON_VERSION).$(PYTHON_VERSION_MICRO)
-PKG_RELEASE:=8
+PKG_RELEASE:=9
 
 PKG_SOURCE:=Python-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://www.python.org/ftp/python/$(PKG_VERSION)

diff --git a/lang/python/python/patches/013-getbuildinfo-date-time-source-date-epoch.patch b/lang/python/python/patches/013-getbuildinfo-date-time-source-date-epoch.patch
new file mode 100644 (file)
index 0000000..de7605d
--- /dev/null
+++ b/lang/python/python/patches/013-getbuildinfo-date-time-source-date-epoch.patch
@@ -0,0 +1,28 @@
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -625,6 +625,16 @@ regen-all: regen-opcode-targets regen-gr
+ ############################################################################
+ # Special rules for object files
+ 
++DATE_FMT = %b %d %Y
++TIME_FMT = %H:%M:%S
++ifdef SOURCE_DATE_EPOCH
++      BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date -u "+$(DATE_FMT)")
++      BUILD_TIME ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(TIME_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(TIME_FMT)" 2>/dev/null || date -u "+$(TIME_FMT)")
++else
++      BUILD_DATE ?= $(shell date "+$(DATE_FMT)")
++      BUILD_TIME ?= $(shell date "+$(TIME_FMT)")
++endif
++
+ Modules/getbuildinfo.o: $(PARSER_OBJS) \
+               $(OBJECT_OBJS) \
+               $(PYTHON_OBJS) \
+@@ -633,6 +643,8 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
+               $(MODOBJS) \
+               $(srcdir)/Modules/getbuildinfo.c
+       $(CC) -c $(PY_CFLAGS) \
++            -DDATE="\"$(BUILD_DATE)\"" \
++            -DTIME="\"$(BUILD_TIME)\"" \
+             -DGITVERSION="\"`LC_ALL=C $(GITVERSION)`\"" \
+             -DGITTAG="\"`LC_ALL=C $(GITTAG)`\"" \
+             -DGITBRANCH="\"`LC_ALL=C $(GITBRANCH)`\"" \

diff --git a/lang/python/python3/Makefile b/lang/python/python3/Makefile
index 7ab3c51dacc770170f409e681cb8d3f6f3c6094d..ac1ad01c3b68ff5fb8eac4efe2a159ca22c9d485 100644 (file)
--- a/lang/python/python3/Makefile
+++ b/lang/python/python3/Makefile
@@ -14,7 +14,7 @@ PYTHON_VERSION:=$(PYTHON3_VERSION)
 PYTHON_VERSION_MICRO:=$(PYTHON3_VERSION_MICRO)
 
 PKG_NAME:=python3
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 PKG_VERSION:=$(PYTHON_VERSION).$(PYTHON_VERSION_MICRO)
 
 PKG_SOURCE:=Python-$(PKG_VERSION).tar.xz

diff --git a/lang/python/python3/patches/013-getbuildinfo-date-time-source-date-epoch.patch b/lang/python/python3/patches/013-getbuildinfo-date-time-source-date-epoch.patch
new file mode 100644 (file)
index 0000000..340e302
--- /dev/null
+++ b/lang/python/python3/patches/013-getbuildinfo-date-time-source-date-epoch.patch
@@ -0,0 +1,28 @@
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -725,6 +725,16 @@ regen-all: regen-opcode regen-opcode-tar
+ ############################################################################
+ # Special rules for object files
+ 
++DATE_FMT = %b %d %Y
++TIME_FMT = %H:%M:%S
++ifdef SOURCE_DATE_EPOCH
++      BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date -u "+$(DATE_FMT)")
++      BUILD_TIME ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(TIME_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(TIME_FMT)" 2>/dev/null || date -u "+$(TIME_FMT)")
++else
++      BUILD_DATE ?= $(shell date "+$(DATE_FMT)")
++      BUILD_TIME ?= $(shell date "+$(TIME_FMT)")
++endif
++
+ Modules/getbuildinfo.o: $(PARSER_OBJS) \
+               $(OBJECT_OBJS) \
+               $(PYTHON_OBJS) \
+@@ -732,6 +742,8 @@ Modules/getbuildinfo.o: $(PARSER_OBJS) \
+               $(MODOBJS) \
+               $(srcdir)/Modules/getbuildinfo.c
+       $(CC) -c $(PY_CORE_CFLAGS) \
++            -DDATE="\"$(BUILD_DATE)\"" \
++            -DTIME="\"$(BUILD_TIME)\"" \
+             -DGITVERSION="\"`LC_ALL=C $(GITVERSION)`\"" \
+             -DGITTAG="\"`LC_ALL=C $(GITTAG)`\"" \
+             -DGITBRANCH="\"`LC_ALL=C $(GITBRANCH)`\"" \