configure: ac_cv_func_clock_gettime -> curl_...

This variable must not be cached in its current form, as any cached
information will prevent the next configure run from determining the
correct LIBS needed for the function. Thus, rename prefix `ac_cv_` to
just `curl_`.

diff --git a/acinclude.m4 b/acinclude.m4
index b95316acbaabefdbe7ab2ce10cb31284214b94c1..ebe72d3f55f95d236a027779e782a2b995e8c342 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1878,10 +1878,10 @@ AC_DEFUN([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC], [
       ]])
     ],[
       AC_MSG_RESULT([yes])
-      ac_cv_func_clock_gettime="yes"
+      curl_func_clock_gettime="yes"
     ],[
       AC_MSG_RESULT([no])
-      ac_cv_func_clock_gettime="no"
+      curl_func_clock_gettime="no"
     ])
   fi
   dnl Definition of HAVE_CLOCK_GETTIME_MONOTONIC is intentionally postponed
@@ -1897,7 +1897,7 @@ dnl check and prepended to LIBS any needed libraries.
 AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
   AC_REQUIRE([CURL_CHECK_FUNC_CLOCK_GETTIME_MONOTONIC])dnl
   #
-  if test "$ac_cv_func_clock_gettime" = "yes"; then
+  if test "$curl_func_clock_gettime" = "yes"; then
     #
     AC_MSG_CHECKING([for clock_gettime in libraries])
     #
@@ -1942,11 +1942,11 @@ AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
       X-unknown)
         AC_MSG_RESULT([cannot find clock_gettime])
         AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
-        ac_cv_func_clock_gettime="no"
+        curl_func_clock_gettime="no"
         ;;
       X-)
         AC_MSG_RESULT([no additional lib required])
-        ac_cv_func_clock_gettime="yes"
+        curl_func_clock_gettime="yes"
         ;;
       *)
         if test -z "$curl_cv_save_LIBS"; then
@@ -1955,13 +1955,13 @@ AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
           LIBS="$curl_cv_gclk_LIBS $curl_cv_save_LIBS"
         fi
         AC_MSG_RESULT([$curl_cv_gclk_LIBS])
-        ac_cv_func_clock_gettime="yes"
+        curl_func_clock_gettime="yes"
         ;;
     esac
     #
     dnl only do runtime verification when not cross-compiling
     if test "x$cross_compiling" != "xyes" &&
-      test "$ac_cv_func_clock_gettime" = "yes"; then
+      test "$curl_func_clock_gettime" = "yes"; then
       AC_MSG_CHECKING([if monotonic clock_gettime works])
       AC_RUN_IFELSE([
         AC_LANG_PROGRAM([[
@@ -1993,12 +1993,12 @@ AC_DEFUN([CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC], [
       ],[
         AC_MSG_RESULT([no])
         AC_MSG_WARN([HAVE_CLOCK_GETTIME_MONOTONIC will not be defined])
-        ac_cv_func_clock_gettime="no"
+        curl_func_clock_gettime="no"
         LIBS="$curl_cv_save_LIBS"
       ])
     fi
     #
-    case "$ac_cv_func_clock_gettime" in
+    case "$curl_func_clock_gettime" in
       yes)
         AC_DEFINE_UNQUOTED(HAVE_CLOCK_GETTIME_MONOTONIC, 1,
           [Define to 1 if you have the clock_gettime function and monotonic timer.])