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-rw-r--r--autoconf/configure.ac7
-rwxr-xr-xconfigure4
2 files changed, 4 insertions, 7 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index fdda3f9567..c0af01a1e4 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -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 "$llvm_cv_enable_libffi" = "yes" ; then
diff --git a/configure b/configure
index 8e06154b98..4392e976ae 100755
--- a/configure
+++ b/configure
@@ -12614,10 +12614,6 @@ ac_res=$ac_cv_search_clock_gettime
if test "$ac_res" != no; then
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-else
- { { echo "$as_me:$LINENO: error: clock_gettime not found and is required for modern POSIX timing uspport" >&5
-echo "$as_me: error: clock_gettime not found and is required for modern POSIX timing uspport" >&2;}
- { (exit 1); exit 1; }; }
fi