From: Andrei Pavel <andrei@isc.org>
Date: Mon, 4 Jan 2021 13:54:20 +0000 (+0200)
Subject: [#1632] use literal in AC_CHECK_HEADERS
X-Git-Tag: Kea-1.9.7~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edf0375af76527ffd7a3fe2f0fe3ebbbd3d4000f;p=thirdparty%2Fkea.git

[#1632] use literal in AC_CHECK_HEADERS
---

diff --git a/m4macros/ax_crypto.m4 b/m4macros/ax_crypto.m4
index 9f4ef11926..74b4400d98 100644
--- a/m4macros/ax_crypto.m4
+++ b/m4macros/ax_crypto.m4
@@ -199,14 +199,13 @@ EOF
    # failure handler we can detect the difference between a header not existing
    # (or not even passing the pre-processor phase) and a header file resulting
    # in compilation failures.
-   HEADER_TO_CHECK=botan/botan.h
-   AC_CHECK_HEADERS([${HEADER_TO_CHECK}],,[
+   AC_CHECK_HEADERS([botan/botan.h],,[
         CRYPTO_INCLUDES=""
         CRYPTO_LIBS=""
         CRYPTO_LDFLAGS=""
         CRYPTO_RPATH=""
         if test "x$ac_header_preproc" = "xyes"; then
-                AC_MSG_RESULT([${HEADER_TO_CHECK}
+                AC_MSG_RESULT([botan/botan.h}
 was found but is unusable. The most common cause of this problem
 is attempting to use an updated C++ compiler with older C++ libraries, such as
 the version of Botan that comes with your distribution. If you have updated