[GNUnet-SVN] [gnurl] 40/219: cmake: clear CMAKE_REQUIRED_LIBRARIES after each use

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ng0 pushed a commit to branch master
in repository gnurl.

commit ff1cb97517af709e6fb3a7623582a3859cb44a85
Author: Jakub Zakrzewski <address@hidden>
AuthorDate: Sun Apr 7 12:38:09 2019 +0200

    cmake: clear CMAKE_REQUIRED_LIBRARIES after each use
    
    This fixes GSSAPI builds with the libraries in a non-standard location.
    The testing for recv() were failing because it failed to link
    the Kerberos libraries, which are not needed for this or subsequent
    tests.
    
    fixes #3743
    closes #3744
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index abcae6153..594501ec6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -469,6 +469,7 @@ if(NOT CURL_DISABLE_LDAP)
         list(APPEND CMAKE_REQUIRED_LIBRARIES ${CMAKE_LBER_LIB})
       endif()
       check_c_source_compiles("${_SRC_STRING}" NOT_NEED_LBER_H)
+      unset(CMAKE_REQUIRED_LIBRARIES)
 
       if(NOT_NEED_LBER_H)
         set(NEED_LBER_H OFF)
@@ -564,6 +565,7 @@ if(CMAKE_USE_LIBSSH2)
     check_function_exists(libssh2_scp_send64        HAVE_LIBSSH2_SCP_SEND64)
     check_function_exists(libssh2_session_handshake 
HAVE_LIBSSH2_SESSION_HANDSHAKE)
     set(CMAKE_EXTRA_INCLUDE_FILES "")
+    unset(CMAKE_REQUIRED_LIBRARIES)
   endif()
 endif()
 
@@ -611,6 +613,7 @@ if(CMAKE_USE_GSSAPI)
       if(NOT HAVE_GSS_C_NT_HOSTBASED_SERVICE)
         set(HAVE_OLD_GSSMIT ON)
       endif()
+      unset(CMAKE_REQUIRED_LIBRARIES)
 
     endif()
 

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