Modernize AC_TRY_RUN invocations.

[gnulib.git] / m4 / open.m4

diff --git a/m4/open.m4 b/m4/open.m4
index 8731a25..d402da9 100644 (file)
--- a/m4/open.m4
+++ b/m4/open.m4
@@ -22,7 +22,8 @@ AC_DEFUN([gl_FUNC_OPEN],
             touch conftest.tmp
             ln -s conftest.tmp conftest.lnk
           fi
-          AC_TRY_RUN([
+          AC_RUN_IFELSE(
+            [AC_LANG_SOURCE([[
 #include <fcntl.h>
 #if HAVE_UNISTD_H
 # include <unistd.h>
@@ -33,7 +34,9 @@ int main ()
   if (open ("conftest.lnk/", O_RDONLY) != -1) return 2;
 #endif
   return open ("conftest.sl/", O_CREAT, 0600) >= 0;
-}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
+}]])],
+            [gl_cv_func_open_slash=yes],
+            [gl_cv_func_open_slash=no],
             [
 changequote(,)dnl
              case "$host_os" in