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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>
This commit is contained in:
Karel Zak 2017-01-18 13:17:21 +01:00
parent d7a3bf949b
commit feda4342df
2 changed files with 8 additions and 1 deletions
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7
configure.ac
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@ -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"])]

2
term-utils/Makemodule.am
View File

@ -21,7 +21,7 @@ if BUILD_SCRIPTREPLAY
usrbin_exec_PROGRAMS += scriptreplay
dist_man_MANS += term-utils/scriptreplay.1
scriptreplay_SOURCES = term-utils/scriptreplay.c
scriptreplay_LDADD = $(LDADD) libcommon.la
scriptreplay_LDADD = $(LDADD) libcommon.la $(MATH_LIBS)
endif # BUILD_SCRIPTREPLAY