build-sys: fix chkdupexe regression

Commit 2897f50a6a6d1aab653c7017f7542d26ac2a8a0b resulted breaking
shebang substitution for chkdupexe.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/configure.ac b/configure.ac
index 4d3da7d7b45cfb6383cd861c042426d5dc5b3f15..c7ebd4123d1bed5aa24598dc6f8f17e2b139da83 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -114,6 +114,9 @@ UL_SET_ARCH(M68K, m68*)
 UL_SET_ARCH(MIPS, mips*)
 UL_SET_ARCH(HPPA, hppa*)
 
+dnl script chkdupexe requires perl
+AC_PATH_PROG(PERL, perl)
+
 AC_SYS_LARGEFILE
 
 AM_GNU_GETTEXT_VERSION([0.14.1])