siproxd/reproducible.patch

From f47a3e0f0bcd04b425fe31b547b99c19f0a7d9f7 Mon Sep 17 00:00:00 2001
From: Thomas Ries <tries@gmx.net>
Date: Fri, 18 Feb 2022 07:40:32 +0100
Subject: [PATCH] added configure option for reproducible builds (static values
 in BUILDDATE and BUILDSTR)

---
 configure.ac    | 18 ++++++++++++++++++
 src/Makefile.am | 14 +++++++++++---
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3193668..d43674e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,6 +58,7 @@ dnl	28-May-2017	tries	going for CentOS7 as development platform,
 dnl				lots of cleanup needed for autoconf (2.69),
 dnl				automake (1.13.4), libtool/libltdl (2.4.2)
 dnl	25-Aug-2020	tries	releae 0.8.3
+dnl	17-Feb-2022	tries	add option for reproducible builds
 dnl
 dnl
 
@@ -389,6 +390,23 @@ dnl    --with-custom-fwmodule
       AC_MSG_RESULT($FWLIBS), AC_MSG_RESULT(no))
 
 
+dnl
+dnl add
+dnl    --enable-reproducible-build
+   reproducible_build="no"
+   AC_MSG_CHECKING(whether to enable a reproducible build)
+   AC_ARG_ENABLE(reproducible-build,
+      [  --enable-reproducible-build
+                          enable reproducible build (default is no)],
+      [  if test "x$enableval" = "xyes"; then
+           reproducible_build="yes"
+           AC_MSG_RESULT(yes)
+         else
+           AC_MSG_RESULT(no)
+         fi
+      ], [AC_MSG_RESULT(no)])
+   AM_CONDITIONAL(REPRODUCIBLE_BUILD, test "x$reproducible_build" = "xyes")
+
 dnl
 dnl Checks for header files.
 dnl
diff --git a/src/Makefile.am b/src/Makefile.am
index 7993d31..5ae307c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
 #
-#    Copyright (C) 2002-2017  Thomas Ries <tries@gmx.net>
+#    Copyright (C) 2002-2022  Thomas Ries <tries@gmx.net>
 #
 #    This file is part of Siproxd.
 #    
@@ -19,10 +19,18 @@
 #
 
 
+if REPRODUCIBLE_BUILD
+BUILDDATE="\"unknown\""
+BUILDSTR="\"none\""
+else
+BUILDDATE="\"`date -u '+%Y-%m-%dT%H:%M:%S'`\""
+BUILDSTR="\"`cat .buildno`\""
+endif
+
 AM_CFLAGS = -D_GNU_SOURCE $(LTDLDEF) \
             -Werror-implicit-function-declaration \
-            -DBUILDSTR="\"`cat .buildno`\"" \
-            -DBUILDDATE="\"`date -u '+%Y-%m-%dT%H:%M:%S'`\""
+            -DBUILDSTR=$(BUILDSTR) \
+            -DBUILDDATE=$(BUILDDATE)
 #&&&INCLUDES = $(LTDLINCL)
 AM_CPPFLAGS = $(LTDLINCL)
 
From 4750bea4ffedb4543a404dafc979c2b16b53e523 Mon Sep 17 00:00:00 2001
From: Thomas Ries <tries@gmx.net>
Date: Fri, 18 Feb 2022 13:42:41 +0100
Subject: [PATCH] support for SOURCE_DATE_EPOCH (reproducible builds)

---
 ChangeLog       |  1 +
 configure.ac    | 23 +++++++++++++++++------
 src/Makefile.am | 15 ++++++++++-----
 3 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/configure.ac b/configure.ac
index d43674e..ae8f668 100644
--- a/configure.ac
+++ b/configure.ac
@@ -391,20 +391,31 @@ dnl    --with-custom-fwmodule
 
 
 dnl
-dnl add
-dnl    --enable-reproducible-build
+dnl reproducible-build:
+dnl SOURCE_DATE_EPOCH defined, or --enable-reproducible-build given
+dnl
    reproducible_build="no"
+   dnl check SOURCE_DATE_EPOCH
+   AC_MSG_CHECKING(whether we have SOURCE_DATE_EPOCH defined)
+   if test "x$SOURCE_DATE_EPOCH" != "x"; then
+     AC_SUBST(SOURCE_DATE_EPOCH, $SOURCE_DATE_EPOCH)
+     AC_MSG_RESULT(yes)
+   else
+     AC_MSG_RESULT(no)
+   fi
+   AM_CONDITIONAL(HAVE_SOURCE_DATE_EPOCH, test "x$SOURCE_DATE_EPOCH" != "x")
+
+   dnl check --enable-reproducible-build
    AC_MSG_CHECKING(whether to enable a reproducible build)
    AC_ARG_ENABLE(reproducible-build,
       [  --enable-reproducible-build
                           enable reproducible build (default is no)],
       [  if test "x$enableval" = "xyes"; then
            reproducible_build="yes"
-           AC_MSG_RESULT(yes)
-         else
-           AC_MSG_RESULT(no)
          fi
-      ], [AC_MSG_RESULT(no)])
+      ]
+   )
+   AC_MSG_RESULT($reproducible_build)
    AM_CONDITIONAL(REPRODUCIBLE_BUILD, test "x$reproducible_build" = "xyes")
 
 dnl
diff --git a/src/Makefile.am b/src/Makefile.am
index 5ae307c..3edaa3c 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,13 +18,18 @@
 #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 #
 
-
+# some magic for reproducible builds
+if HAVE_SOURCE_DATE_EPOCH
+  BUILDDATE="\"`date -d @$(SOURCE_DATE_EPOCH) -u '+%Y-%m-%dT%H:%M:%S'`\""
+  BUILDSTR="\"none\""
+else
 if REPRODUCIBLE_BUILD
-BUILDDATE="\"unknown\""
-BUILDSTR="\"none\""
+  BUILDDATE="\"unknown\""
+  BUILDSTR="\"none\""
 else
-BUILDDATE="\"`date -u '+%Y-%m-%dT%H:%M:%S'`\""
-BUILDSTR="\"`cat .buildno`\""
+  BUILDDATE="\"`date -u '+%Y-%m-%dT%H:%M:%S'`\""
+  BUILDSTR="\"`cat .buildno`\""
+endif
 endif
 
 AM_CFLAGS = -D_GNU_SOURCE $(LTDLDEF) \