From 3c26ea16e280932d741c1d0841f1d586810da5ce Mon Sep 17 00:00:00 2001
From: Markus Makela <markus.makela@mariadb.com>
Date: Fri, 28 Oct 2016 12:23:47 +0300
Subject: [PATCH] Add and use FindSQLite.cmake

Added a find_package module for SQLite development libraries.
---
 CMakeLists.txt                              |  1 +
 cmake/FindJansson.cmake                     |  4 ++--
 cmake/FindSQLite.cmake                      | 23 ++++++++++++++++++
 server/modules/authenticator/CMakeLists.txt | 26 +++++++++++++--------
 4 files changed, 42 insertions(+), 12 deletions(-)
 create mode 100644 cmake/FindSQLite.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 78d70c26e..218964698 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,6 +44,7 @@ find_package(LibUUID)
 find_package(Jansson)
 find_package(Avro)
 find_package(GSSAPI)
+find_package(SQLite)
 
 # Find or build PCRE2
 # Read BuildPCRE2 for details about how to add pcre2 as a dependency to a target
diff --git a/cmake/FindJansson.cmake b/cmake/FindJansson.cmake
index 7116d6f0f..8c2216cac 100644
--- a/cmake/FindJansson.cmake
+++ b/cmake/FindJansson.cmake
@@ -1,9 +1,9 @@
 # This CMake file locates the Jansson libraries and headers
 #
 # The following variables are set:
-# JANSSON_FOUND - If the Avro C library was found
+# JANSSON_FOUND - If the Jansson library was found
 # JANSSON_LIBRARIES - Path to the static library
-# JANSSON_INCLUDE_DIR - Path to Avro headers
+# JANSSON_INCLUDE_DIR - Path to Jansson headers
 
 find_path(JANSSON_INCLUDE_DIR jansson.h)
 find_library(JANSSON_LIBRARIES NAMES libjansson.so libjansson.a)
diff --git a/cmake/FindSQLite.cmake b/cmake/FindSQLite.cmake
new file mode 100644
index 000000000..e5feb5300
--- /dev/null
+++ b/cmake/FindSQLite.cmake
@@ -0,0 +1,23 @@
+# This CMake file locates the SQLite3 development libraries
+#
+# The following variables are set:
+# SQLITE_FOUND - If the SQLite library was found
+# SQLITE_LIBRARIES - Path to the static library
+# SQLITE_INCLUDE_DIR - Path to SQLite headers
+# SQLITE_VERSION - Library version
+
+find_path(SQLITE_INCLUDE_DIR sqlite3.h)
+find_library(SQLITE_LIBRARIES NAMES libsqlite3.so)
+
+if (SQLITE_INCLUDE_DIR AND SQLITE_LIBRARIES)
+
+  execute_process(COMMAND grep ".*#define.*SQLITE_VERSION " ${SQLITE_INCLUDE_DIR}/sqlite3.h
+    COMMAND sed "s/.*\"\\(.*\\)\".*/\\1/"
+    OUTPUT_VARIABLE SQLITE_VERSION
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+  message(STATUS "Found SQLite version ${SQLITE_VERSION}: ${SQLITE_LIBRARIES}")
+  set(SQLITE_FOUND TRUE)
+else()
+  message(STATUS "Could not find SQLite")
+endif()
diff --git a/server/modules/authenticator/CMakeLists.txt b/server/modules/authenticator/CMakeLists.txt
index 8244eef4d..b8294d01a 100644
--- a/server/modules/authenticator/CMakeLists.txt
+++ b/server/modules/authenticator/CMakeLists.txt
@@ -5,18 +5,24 @@ target_link_libraries(MySQLBackendAuth maxscale-common MySQLCommon)
 set_target_properties(MySQLBackendAuth PROPERTIES VERSION "1.0.0")
 install_module(MySQLBackendAuth core)
 
-if (GSSAPI_FOUND)
-  include_directories(${GSSAPI_INCS})
+if (GSSAPI_FOUND AND SQLITE_FOUND)
+  if (NOT SQLITE_VERSION VERSION_LESS "3.7.7")
+    include_directories(${GSSAPI_INCS})
+    include_directories(${SQLITE_INCLUDE_DIR})
 
-  add_library(GSSAPIAuth SHARED gssapi_auth.c gssapi_auth_common.c)
-  target_link_libraries(GSSAPIAuth maxscale-common ${GSSAPI_LIBS} sqlite3 MySQLCommon)
-  set_target_properties(GSSAPIAuth PROPERTIES VERSION "1.0.0")
-  install_module(GSSAPIAuth core)
+    add_library(GSSAPIAuth SHARED gssapi_auth.c gssapi_auth_common.c)
+    target_link_libraries(GSSAPIAuth maxscale-common ${GSSAPI_LIBS} ${SQLITE_LIBRARIES} MySQLCommon)
+    set_target_properties(GSSAPIAuth PROPERTIES VERSION "1.0.0")
+    install_module(GSSAPIAuth core)
 
-  add_library(GSSAPIBackendAuth SHARED gssapi_backend_auth.c gssapi_auth_common.c)
-  target_link_libraries(GSSAPIBackendAuth maxscale-common  ${GSSAPI_LIBS} MySQLCommon)
-  set_target_properties(GSSAPIBackendAuth PROPERTIES VERSION "1.0.0")
-  install_module(GSSAPIBackendAuth core)
+    add_library(GSSAPIBackendAuth SHARED gssapi_backend_auth.c gssapi_auth_common.c)
+    target_link_libraries(GSSAPIBackendAuth maxscale-common  ${GSSAPI_LIBS} MySQLCommon)
+    set_target_properties(GSSAPIBackendAuth PROPERTIES VERSION "1.0.0")
+    install_module(GSSAPIBackendAuth core)
+
+  else()
+    message(STATUS "Minimum requires SQLite version for GSSAPIAuth is 3.7.7, current SQLite version is ${SQLITE_VERSION}")
+  endif()
 endif()
 
 add_library(NullAuthAllow SHARED null_auth_allow.c)