From 6b9215622c64e4313d879f040602252cb504f707 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Sun, 6 Jan 2019 00:44:26 +0100
Subject: [PATCH] Fix krb5 detection without pkgconfig file.
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Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit 1b466c3d2b4cab6d4f038b11039625a378197931)
---
 ConfigureChecks.cmake | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index b4ba4da..069df06 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -43,5 +43,24 @@ endif( )
 
 pkg_search_module( KRB5 krb5 )
 if( NOT KRB5_FOUND)
-  tde_message_fatal( "krb5 library is required but not found on your system" )
+  if( NOT DEFINED KRB5_CONFIG_EXECUTABLE )
+    find_program( KRB5_CONFIG_EXECUTABLE NAMES krb5-config )
+    if( NOT KRB5_CONFIG_EXECUTABLE )
+      tde_message_fatal( "krb5 library is required but not found on your system" )
+    endif( )
+  endif( )
+
+  execute_process(
+    COMMAND ${KRB5_CONFIG_EXECUTABLE} --libs
+    OUTPUT_VARIABLE KRB5_LIBRARIES
+    ERROR_VARIABLE KRB5_LIBRARIES
+  )
+  execute_process(
+    COMMAND ${KRB5_CONFIG_EXECUTABLE} --cflags
+    OUTPUT_VARIABLE KRB5_INCLUDE_DIRS
+    ERROR_VARIABLE KRB5_INCLUDE_DIRS
+  )
+  if( NOT "${KRB5_LIBRARIES}" STREQUAL "" )
+    set( KRB5_FOUND 1 )
+  endif( )
 endif( )