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-rw-r--r--Build/source/texk/makeindexk/configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/Build/source/texk/makeindexk/configure.ac b/Build/source/texk/makeindexk/configure.ac
index 2ac0b0bd328..f8a2434dd7d 100644
--- a/Build/source/texk/makeindexk/configure.ac
+++ b/Build/source/texk/makeindexk/configure.ac
@@ -17,6 +17,10 @@ KPSE_COMMON([makeindexk], [no-define])
AC_CONFIG_HEADERS([c-auto.h:c-auto.in])
+m4_include([../../version.ac])[] dnl define tex_live_version
+AC_DEFINE([TEX_LIVE_VERSION], ["tex_live_version()"],
+ [Define to the current TeX Live version string.])
+
AC_CHECK_HEADERS([ctype.h types.h locale.h])
AC_CHECK_FUNCS([strchr strrchr setlocale])