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| author | Bram Moolenaar <Bram@vim.org> | 2020-06-05 23:16:29 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2020-06-05 23:16:29 +0200 |
| commit | 8f1dde5021d9623a951d1ccbc78cf1b1a55ccd7a (patch) | |
| tree | 1a2a9aee6f224db95e60a7ba401b2087cdbdb661 /src/configure.ac | |
| parent | 002bc79991286934a9593b80635c27d4238cdfc4 (diff) | |
patch 8.2.0910: Vim is not reproducibly buildablev8.2.0910
Problem: Vim is not reproducibly buildable.
Solution: Use the $SOURCE_DATE_EPOCH environment variable in configure.
(James McCoy, closes #513) Give a warning about using it.
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/configure.ac b/src/configure.ac index 67851802bf..dccf3dce85 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -62,6 +62,18 @@ if test x"$ac_cv_prog_cc_c99" != xno; then fi fi +dnl If $SOURCE_DATE_EPOCH is present in the environment, use that as the +dnl "compiled" timestamp in :version's output. Attempt to get the formatted +dnl date using GNU date syntax, BSD date syntax, and finally falling back to +dnl just using the current time. +if test -n "$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") + AC_DEFINE_UNQUOTED(BUILD_DATE, ["$BUILD_DATE"]) + BUILD_DATE_MSG=-"echo -e '=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\nNOTE: build date/time is fixed: $BUILD_DATE\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-='" + AC_SUBST(BUILD_DATE_MSG) +fi + dnl Check for the flag that fails if stuff are missing. AC_MSG_CHECKING(--enable-fail-if-missing argument) |