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Bug 670499-configure.ac: Check for nearbyint(), isinf() and isnan()

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nearbyint(), isinf() and isnan() are C99 functions, so check for them.

Also clean up configure.ac a little bit as the checks for rint() and
round() can be a bit simpler, according to Matthias' suggestions.
This commit is contained in:
Chun-wei Fan 2012-04-05 18:15:45 +08:00
parent 2969db9993
commit c97f0b660c
1 changed files with 3 additions and 11 deletions
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14
configure.ac
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@ -749,17 +749,9 @@ AC_CHECK_FUNCS(mallinfo)
AC_CHECK_FUNCS(getresuid)
AC_TYPE_UID_T
# Check for round()
AC_CHECK_LIB(m,round,have_round=yes,have_round=no)
if test $have_round = yes; then
AC_DEFINE(HAVE_ROUND, 1, [Define to 1 if round() is available])
fi
# Check for rint()
AC_CHECK_LIB(m,rint,have_rint=yes,have_rint=no)
if test $have_rint = yes; then
AC_DEFINE(HAVE_RINT, 1, [Define to 1 if rint() is available])
fi
# Check for round(), rint(), isnan(), isinf() and nearbyint()
AC_CHECK_LIB(m,round,,)
AC_CHECK_FUNCS(round rint isnan isinf nearbyint)
# Checks for gdkspawn
AC_CHECK_HEADERS(crt_externs.h)