configure.ac: Quote `$ac_cv_search_clock_gettime' properly.

[catacomb] / configure.ac

diff --git a/configure.ac b/configure.ac
index 631f783..902d7d5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -139,6 +139,8 @@ AC_CHECK_FUNCS([getauxval])
 dnl--------------------------------------------------------------------------
 dnl C programming environment.
 
+CATACOMB_LIBS=
+
 dnl Find out if we're cross-compiling.
 AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
 
@@ -222,6 +224,14 @@ AC_SUBST([limits])
 dnl Functions used for noise-gathering.
 AC_CHECK_FUNCS([setgroups])
 AC_CHECK_HEADERS([linux/random.h])
+mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
+AC_SEARCH_LIBS([clock_gettime], [rt])
+CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
+if test "$ac_cv_search_clock_gettime" != no; then
+  AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
+           [Define if you have the \`clock_gettime' function.])
+fi
+AC_CHECK_FUNCS([getentropy])
 AC_CACHE_CHECK([whether the freewheel noise generator will work],
        [catacomb_cv_freewheel],
 [AC_TRY_LINK(
@@ -249,6 +259,9 @@ LIBS=$mdw_ORIG_LIBS
 dnl Memory locking support.
 AC_CHECK_FUNCS([mlock])
 
+dnl Set the master libraries we need.
+AC_SUBST([CATACOMB_LIBS])
+
 dnl Necessary support libraries.
 PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
 AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"