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author | Tom Tromey <tromey@redhat.com> | 1996-11-08 22:57:04 +0000 |
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committer | Tom Tromey <tromey@redhat.com> | 1996-11-08 22:57:04 +0000 |
commit | c7f27ed5f5e40f768876c63d6380795c4436e935 (patch) | |
tree | 6fb294dc002a1919f30cd58cb0fbcf9c86083ad8 /m4/sanity.m4 | |
parent | 637af7c25f2afd3f6809d61ac13c7f2e90b3faea (diff) | |
download | automake-c7f27ed5f5e40f768876c63d6380795c4436e935.tar.gz |
Added sanity check macro
Diffstat (limited to 'm4/sanity.m4')
-rw-r--r-- | m4/sanity.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/m4/sanity.m4 b/m4/sanity.m4 new file mode 100644 index 000000000..7c8abee26 --- /dev/null +++ b/m4/sanity.m4 @@ -0,0 +1,19 @@ +# +# Check to make sure that the build environment is sane. +# + +AC_DEFUN(AM_SANITY_CHECK, +[AC_MSG_CHECKING([whether build environment is sane]) +echo timestamp > conftestfile +# Do this in a subshell so we don't clobber the current shell's +# arguments. FIXME: maybe try `-L' hack like GETLOADAVG test? +if (set X `ls -t $srcdir/configure conftestfile`; test "$2" = conftestfile) +then + # Ok. + : +else + AC_MSG_ERROR([configuration problem: newly created file is older than distributed files! +Check your system clock]) +fi +rm -f conftest* +AC_MSG_RESULT(yes)]) |