$OpenBSD: patch-CMakeLists_txt,v 1.3 2017/11/28 20:47:12 kili Exp $

Revert commit 966ca7e5d00a4b0bba5d6d9392303231e4e4e536 from upstream
(enforcing c++98), because it breaks builds with newer poppler.

Unbreak build: we don't provide library symlinks

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -15,8 +15,6 @@ if( POLICY CMP0063 )
   cmake_policy(SET CMP0063 NEW)
 endif()
 project(GDCM)
-set(CMAKE_CXX_STANDARD 98)
-set(CMAKE_CXX_EXTENSIONS OFF)
 mark_as_advanced(CMAKE_BACKWARDS_COMPATIBILITY CMAKE_BUILD_TYPE CMAKE_INSTALL_PREFIX)
 set(GDCM_CMAKE_DIR "${GDCM_SOURCE_DIR}/CMake" CACHE INTERNAL "")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${GDCM_CMAKE_DIR}")
@@ -116,7 +114,11 @@ else()
 endif()
 
 if(BUILD_SHARED_LIBS)
-if(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.6)
+# OpenBSD doesn't have library symlinks
+if(CMAKE_SYSTEM_NAME MATCHES OpenBSD)
+  set(NAMELINK_ONLY)
+  set(NAMELINK_SKIP)
+elseif(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 2.6)
   set(NAMELINK_ONLY NAMELINK_ONLY)
   set(NAMELINK_SKIP NAMELINK_SKIP)
 else()
