From: Johannes Nixdorf <mixi@shadowice.org>
Date: Tue, 22 Jan 2019 18:17:55 +0000 (+0100)
Subject: build-sys: fix crypt() detection without -lcrypt
X-Git-Tag: v2.34-rc1~139
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70c364b4db6530ada12f7103b5c5d8ceb777307f;p=thirdparty%2Futil-linux.git

build-sys: fix crypt() detection without -lcrypt

The check tested whether code using crypt() links without -lcrypt, but
didn't set have_crypt to yes if it succeeded.

This fixes the check erroneously failing when compiling against musl
libc.

Signed-off-by: Johannes Nixdorf <mixi@shadowice.org>
---

diff --git a/configure.ac b/configure.ac
index 4c8de521f7..0bf422cda2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -798,7 +798,10 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #endif
 ]], [[
 char *c = crypt("abc","pw");
-]])],[],[
+]])],[
+  have_libcrypt=no
+  have_crypt=yes
+],[
   LIBS="$LIBS -lcrypt"
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
   #ifdef HAVE_CRYPT_H