commit 01e0038fa55581c4afc9d63b6180d2ea77ba2940
Author: Thorsten Kukuk <kukuk(a)thkukuk.de>
Date: Mon Apr 4 11:35:57 2016 +0200
build: fix build when crypt() is not part of crypt_libs [ticket#46]
* configure.ac: Don't set empty -l option in crypt check
Signed-off-by: Yousong Zhou <yszhou4tech(a)gmail.com>
configure.ac | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 739390e..b377e56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -401,7 +401,7 @@ AS_IF([test "x$ac_cv_header_xcrypt_h" = "xyes"],
[crypt_libs="crypt"])
BACKUP_LIBS=$LIBS
-AC_SEARCH_LIBS([crypt],[$crypt_libs], LIBCRYPT="-l$ac_lib",
LIBCRYPT="")
+AC_SEARCH_LIBS([crypt],[$crypt_libs], LIBCRYPT="${ac_lib:+-l$ac_lib}",
LIBCRYPT="")
AC_CHECK_FUNCS(crypt_r crypt_gensalt_r)
LIBS=$BACKUP_LIBS
AC_SUBST(LIBCRYPT)
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