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-rw-r--r--Build/source/texk/xdvik/m4/xdvi-sys-old-linux.m414
1 files changed, 14 insertions, 0 deletions
diff --git a/Build/source/texk/xdvik/m4/xdvi-sys-old-linux.m4 b/Build/source/texk/xdvik/m4/xdvi-sys-old-linux.m4
new file mode 100644
index 00000000000..7d7fe046fc6
--- /dev/null
+++ b/Build/source/texk/xdvik/m4/xdvi-sys-old-linux.m4
@@ -0,0 +1,14 @@
+dnl ### Check for certain broken versions of Linux
+
+AC_DEFUN([XDVI_SYS_OLD_LINUX],
+[AC_CACHE_CHECK([for certain old versions of Linux], xdvi_cv_sys_old_linux,
+[case "`(uname -sr) 2>/dev/null`" in
+"Linux 2."[[01]].* | "Linux 2.2."[[0-8]] | "Linux 2.2."[[0-8]]-*)
+ xdvi_cv_sys_old_linux=yes ;;
+*) xdvi_cv_sys_old_linux=no ;;
+esac])
+if test $xdvi_cv_sys_old_linux = yes; then
+ AC_DEFINE([FLAKY_SIGPOLL], 1,
+ [Define if you are using Linux 2.1.xxx -- 2.2.8, or if you find it necessary.])
+fi])
+