From e89e7d452027528a89ca2a48c57bdf0b8dfae89f Mon Sep 17 00:00:00 2001
From: Guenter Obiltschnig <guenter.obiltschnig@appinf.com>
Date: Fri, 10 Nov 2017 19:21:55 +0100
Subject: [PATCH] Make cmake work with minimal package

---
 CMakeLists.txt | 50 ++++++++++++++++++++++++++------------------------
 1 file changed, 26 insertions(+), 24 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d7ac46eb..c1514bffb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -171,18 +171,6 @@ if(ENABLE_JSON)
 add_subdirectory(JSON)
 list(APPEND Poco_COMPONENTS "JSON")
 endif()
-if(ENABLE_MONGODB)
-add_subdirectory(MongoDB)
-list(APPEND Poco_COMPONENTS "MongoDB")
-endif()
-if(ENABLE_REDIS)
-add_subdirectory(Redis)
-list(APPEND Poco_COMPONENTS "Redis")
-endif()
-if(ENABLE_PDF)
-add_subdirectory(PDF)
-list(APPEND Poco_COMPONENTS "PDF")
-endif()
 if(ENABLE_UTIL)
 add_subdirectory(Util)
 list(APPEND Poco_COMPONENTS "Util")
@@ -192,37 +180,50 @@ add_subdirectory(Net)
 list(APPEND Poco_COMPONENTS "Net")
 endif()
 
+if(EXISTS MongoDB AND ENABLE_MONGODB)
+add_subdirectory(MongoDB)
+list(APPEND Poco_COMPONENTS "MongoDB")
+endif()
+if(EXISTS Redis AND ENABLE_REDIS)
+add_subdirectory(Redis)
+list(APPEND Poco_COMPONENTS "Redis")
+endif()
+if(EXISTS PDF AND ENABLE_PDF)
+add_subdirectory(PDF)
+list(APPEND Poco_COMPONENTS "PDF")
+endif()
+
 
 #NetSSL
 
 
-if(WIN32 AND ENABLE_NETSSL_WIN)
+if(WIN32 AND EXISTS NetSSL_Win AND ENABLE_NETSSL_WIN)
     add_subdirectory(NetSSL_Win)
     list(APPEND Poco_COMPONENTS "NetSSL_Win")
-endif(WIN32 AND ENABLE_NETSSL_WIN)
+endif(WIN32 AND EXISTS NetSSL_Win AND ENABLE_NETSSL_WIN)
 
 find_package(OpenSSL)
 if(OPENSSL_FOUND)
     include_directories("${OPENSSL_INCLUDE_DIR}")
-    if(ENABLE_NETSSL)
+    if(EXISTS NetSSL_OpenSSL AND ENABLE_NETSSL)
     add_subdirectory(NetSSL_OpenSSL)
     list(APPEND Poco_COMPONENTS "NetSSL_OpenSSL")
     endif()
-    if(ENABLE_CRYPTO)
+    if(EXISTS Crypto AND ENABLE_CRYPTO)
     add_subdirectory(Crypto)
     list(APPEND Poco_COMPONENTS "Crypto")
     endif()
 endif(OPENSSL_FOUND)
 
-if(ENABLE_DATA)
+if(EXISTS Data AND ENABLE_DATA)
 add_subdirectory(Data)
 list(APPEND Poco_COMPONENTS "Data")
 endif()
-if(ENABLE_SEVENZIP)
+if(EXISTS SevenZip AND ENABLE_SEVENZIP)
 add_subdirectory(SevenZip)
 list(APPEND Poco_COMPONENTS "SevenZip")
 endif()
-if(ENABLE_ZIP)
+if(EXISTS Zip AND ENABLE_ZIP)
 add_subdirectory(Zip)
 list(APPEND Poco_COMPONENTS "Zip")
 endif()
@@ -231,32 +232,33 @@ find_package(APR)
 find_package(Apache2)
 if(APRUTIL_FOUND AND APACHE_FOUND)
     include_directories( "${APACHE_INCLUDE_DIR}" "${APRUTIL_INCLUDE_DIR}" )
-    if(ENABLE_APACHECONNECTOR)
+    if(EXISTS ApacheConnector AND ENABLE_APACHECONNECTOR)
     add_subdirectory(ApacheConnector)
     list(APPEND Poco_COMPONENTS "ApacheConnector")
     endif()
 endif(APRUTIL_FOUND AND APACHE_FOUND)
 
-if(ENABLE_CPPPARSER)
+if(EXISTS CppParser AND ENABLE_CPPPARSER)
 add_subdirectory(CppParser)
 list(APPEND Poco_COMPONENTS "CppParser")
 endif()
 
-if(ENABLE_POCODOC)
+if(EXISTS PocoDoc AND ENABLE_POCODOC)
 add_subdirectory(PocoDoc)
 list(APPEND Poco_COMPONENTS "PocoDoc")
 endif()
 
-if(ENABLE_PAGECOMPILER)
+if(EXISTS PageCompiler AND ENABLE_PAGECOMPILER)
 add_subdirectory(PageCompiler)
 list(APPEND Poco_COMPONENTS "PageCompiler")
 endif()
 
-if(ENABLE_PAGECOMPILER_FILE2PAGE)
+if(EXISTS PageCompiler/File2Page AND ENABLE_PAGECOMPILER_FILE2PAGE)
 add_subdirectory(PageCompiler/File2Page)
 list(APPEND Poco_COMPONENTS "File2Page")
 endif()
 
+
 #############################################################
 # Uninstall stuff see: http://www.vtk.org/Wiki/CMake_FAQ
 configure_file(