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-rw-r--r--Build/source/utils/xindy/configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/Build/source/utils/xindy/configure.ac b/Build/source/utils/xindy/configure.ac
index b2e690293cb..0d745ea6432 100644
--- a/Build/source/utils/xindy/configure.ac
+++ b/Build/source/utils/xindy/configure.ac
@@ -37,6 +37,9 @@ AM_PROG_LEX
dnl test "x$LEX" != "x:" || AC_MSG_ERROR([flex or lex is required, but not found])
AC_PROG_INSTALL
AC_PROG_MAKE_SET
+AC_CHECK_PROGS([PERL], [perl], [no])
+AC_CHECK_PROGS([LATEX], [latex elatex lambda], [no])
+AC_CHECK_PROGS([PDFLATEX], [pdflatex], [no])
# Include onfigure options that also appear at the top-level of the TL tree.
m4_include([ac/xindy.ac])