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Finally, fix the autoconf setup to allow for a missing clock_gettime;

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the source code should now be set up to handle this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171570 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2013-01-05 00:29:06 +00:00
parent fa511bf6c2
commit 234aaf08c8
2 changed files with 4 additions and 7 deletions
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7
autoconf/configure.ac
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@@ -1250,9 +1250,10 @@ AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
[Define if dlopen() is available on this platform.]),
AC_MSG_WARN([dlopen() not found - disabling plugin support]))
dnl clock_gettime() is required for modern timing support.
AC_SEARCH_LIBS(clock_gettime,rt,[],
AC_MSG_ERROR([clock_gettime not found and is required for modern POSIX timing uspport]))
dnl Search for the clock_gettime() function. Note that we rely on the POSIX
dnl macros to detect whether clock_gettime is available, dnl this just finds
dnl the right libraries to link with.
AC_SEARCH_LIBS(clock_gettime,rt)
dnl libffi is optional; used to call external functions from the interpreter
if test "$llvm_cv_enable_libffi" = "yes" ; then