[git] GCRYPT - branch, master, updated. libgcrypt-1.6.0-257-ga785cc3

[by Werner Koch]

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- Log -----------------------------------------------------------------
commit a785cc3db0c4e8eb8ebbf784b833a40d2c42ec3e
Author: Werner Koch <wk at gnupg.org>
Date:   Tue Aug 25 21:11:05 2015 +0200

    Add configure option --enable-build-timestamp.
    
    * configure.ac (BUILD_TIMESTAMP): Set to "<none>" by default.
    --
    
    This is based on
    libgpg-error commit d620005fd1a655d591fccb44639e22ea445e4554
    but changed to be disabled by default.  Check there for some
    background.
    
    Signed-off-by: Werner Koch <wk at gnupg.org>

diff --git a/configure.ac b/configure.ac
index 48e2179..2acfa36 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2272,7 +2272,16 @@ changequote([,])dnl
 BUILD_FILEVERSION="${BUILD_FILEVERSION}mym4_revision_dec"
 AC_SUBST(BUILD_FILEVERSION)
 
-BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
+AC_ARG_ENABLE([build-timestamp],
+  AC_HELP_STRING([--enable-build-timestamp],
+                 [set an explicit build timestamp for reproducibility.
+                  (default is the current time in ISO-8601 format)]),
+     [if test "$enableval" = "yes"; then
+        BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
+      else
+        BUILD_TIMESTAMP="$enableval"
+      fi],
+     [BUILD_TIMESTAMP="<none>"])
 AC_SUBST(BUILD_TIMESTAMP)
 AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
                    [The time this package was configured for a build])

-----------------------------------------------------------------------

Summary of changes:
 configure.ac | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)


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