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>
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@ -432,6 +432,13 @@ AC_CHECK_FUNCS([updwtmpx updwtmpx], [have_gnu_utmpx=yes], [have_gnu_utmpx=no])
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AM_CONDITIONAL([HAVE_OPENAT], [test "x$have_openat" = xyes])
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AC_CHECK_FUNCS([isnan], [],
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[AC_CHECK_LIB([m], [isnan], [MATH_LIBS="-lm"])]
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)
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AC_SUBST([MATH_LIBS])
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dnl lib/mononotic.c may require -lrt
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AC_CHECK_FUNCS([clock_gettime], [],
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[AC_CHECK_LIB([rt], [clock_gettime], [REALTIME_LIBS="-lrt"])]
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@ -21,7 +21,7 @@ if BUILD_SCRIPTREPLAY
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usrbin_exec_PROGRAMS += scriptreplay
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dist_man_MANS += term-utils/scriptreplay.1
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scriptreplay_SOURCES = term-utils/scriptreplay.c
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scriptreplay_LDADD = $(LDADD) libcommon.la
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scriptreplay_LDADD = $(LDADD) libcommon.la $(MATH_LIBS)
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endif # BUILD_SCRIPTREPLAY
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