X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=1fe6d9d69155a5b6d77c33cc9c97f1c7dfc87849;hb=dff79377f43928f3505770e13a018bc2ea48e9e8;hp=b572f4980c6d882d0bc22c2c8929f08b54155dd4;hpb=86205f4ba288f63cdcd83f117fd10a5fb412c652;p=lyx.git

diff --git a/configure.ac b/configure.ac
index b572f4980c..1fe6d9d691 100644
--- a/configure.ac
+++ b/configure.ac
@@ -174,7 +174,7 @@ fi
 
 LYX_CHECK_DEF(PATH_MAX, limits.h, [int n = PATH_MAX;])
 
-AC_CHECK_FUNCS(chmod close _close fork getpid _getpid lstat mkfifo open _open pclose _pclose popen _popen readlink putenv setenv strerror unsetenv)
+AC_CHECK_FUNCS(chmod close _close fork getpid _getpid lockf lstat mkfifo open _open pclose _pclose popen _popen readlink putenv setenv strerror unsetenv)
 # Check the form of mkdir()
 AC_FUNC_MKDIR
 AC_FUNC_SELECT_ARGTYPES