patch 8.2.0910: Vim is not reproducibly buildable
Problem: Vim is not reproducibly buildable.
Solution: Use the $SOURCE_DATE_EPOCH environment variable in configure.
(James McCoy, closes #513) Give a warning about using it.
diff --git a/src/auto/configure b/src/auto/configure
index 516e45c..4c3ff32 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -721,6 +721,7 @@
XCODE_SELECT
CPP_MM
CROSS_COMPILING
+BUILD_DATE_MSG
STRIP
AWK
FGREP
@@ -4455,6 +4456,17 @@
fi
fi
+if test -n "$SOURCE_DATE_EPOCH"; then
+ DATE_FMT="%b %d %Y %H:%M:%S"
+ BUILD_DATE=$(LC_ALL=C date -u -d "@$SOURCE_DATE_EPOCH" "+$DATE_FMT" 2>/dev/null || LC_ALL=C date -u -r "$SOURCE_DATE_EPOCH" "+$DATE_FMT" 2>/dev/null || LC_ALL=C date -u "+$DATE_FMT")
+ cat >>confdefs.h <<_ACEOF
+#define BUILD_DATE "$BUILD_DATE"
+_ACEOF
+
+ BUILD_DATE_MSG=-"echo -e '=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\nNOTE: build date/time is fixed: $BUILD_DATE\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-='"
+
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking --enable-fail-if-missing argument" >&5
$as_echo_n "checking --enable-fail-if-missing argument... " >&6; }