File 0019-Changes-needed-to-compile-podofo.patch of Package podofo

Subject: Changes needed to compile podofo 0.9.5 on CentOS 7, but are probably useful for other distributions too
Url: https://sourceforge.net/p/podofo/code/1854/

Patch by Jan-Erik S

The following diff contains changes needed to compile podofo 0.9.5
on CentOS 7, but are probably useful for other distributions too.

The first of them can be explained by the description here:
https://cmake.org/cmake/help/v3.0/manual/cmake-policies.7.html

The other can be explained by running this command:
cpp -dM < /dev/null | grep -E 'PTRDIFF_MAX|INT_MAX'

--- a/podofo/trunk/CMakeLists.txt
+++ b/podofo/trunk/CMakeLists.txt
@@ -32,7 +32,9 @@
 # Prefer files in CMAKE_MODULE_PATH over shipped ones in module directory
 CMAKE_POLICY(SET CMP0017 NEW) # https://cmake.org/cmake/help/v3.0/policy/CMP0017.html
 # Do not use export_library_dependencies() anymore
+if(POLICY CMP0033)
 CMAKE_POLICY(SET CMP0033 NEW) # https://cmake.org/cmake/help/v3.0/policy/CMP0033.html
+endif()
 
 # Load modules from our source tree too
 SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
--- a/podofo/trunk/src/base/PdfParser.cpp
+++ b/podofo/trunk/src/base/PdfParser.cpp
@@ -63,6 +63,8 @@
 
 #if defined( PTRDIFF_MAX )
 #define PDF_LONG_MAX PTRDIFF_MAX
+#elif defined( __PTRDIFF_MAX__ )
+#define PDF_LONG_MAX __PTRDIFF_MAX__
 #else
 // only old compilers don't define PTRDIFF_MAX (all 32-bit only?)
 #define PDF_LONG_MAX INT_MAX