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author | Karel Zak | 2017-01-18 13:17:21 +0100 |
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committer | Karel Zak | 2017-01-18 13:17:21 +0100 |
commit | feda4342df1ced25df3d200ed23469e740196c86 (patch) | |
tree | 532ab044ba074a14c2e613b0b4ccb9f4dee9df68 /configure.ac | |
parent | column: rename --columns to --output-width (diff) | |
download | kernel-qcow2-util-linux-feda4342df1ced25df3d200ed23469e740196c86.tar.gz kernel-qcow2-util-linux-feda4342df1ced25df3d200ed23469e740196c86.tar.xz kernel-qcow2-util-linux-feda4342df1ced25df3d200ed23469e740196c86.zip |
build-sys: use -lm for scriptreplay if necessary
Reported-by: Bert van Hall <bert.vanhall@avionic-design.de>
Addresses: https://github.com/karelzak/util-linux/pull/397
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index c50f07a47..fa3e6c831 100644 --- a/configure.ac +++ b/configure.ac @@ -432,6 +432,13 @@ AC_CHECK_FUNCS([updwtmpx updwtmpx], [have_gnu_utmpx=yes], [have_gnu_utmpx=no]) AM_CONDITIONAL([HAVE_OPENAT], [test "x$have_openat" = xyes]) + +AC_CHECK_FUNCS([isnan], [], + [AC_CHECK_LIB([m], [isnan], [MATH_LIBS="-lm"])] +) +AC_SUBST([MATH_LIBS]) + + dnl lib/mononotic.c may require -lrt AC_CHECK_FUNCS([clock_gettime], [], [AC_CHECK_LIB([rt], [clock_gettime], [REALTIME_LIBS="-lrt"])] |