From 096befe69eed03a9038cb3387c3aed0ded21e7e3 Mon Sep 17 00:00:00 2001
From: Mathis Logemann <mathisloge@gmail.com>
Date: Sat, 21 Nov 2020 15:34:13 +0100
Subject: [PATCH] try with c++14

---
 CMakeLists.txt     | 2 +-
 src/CMakeLists.txt | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 245f8922c..be0195a6e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,7 +45,7 @@ option(BUILD_UTILITY_PGSQL2SQLITE "builds the utility program pgsql2sqlite" ON)
 option(BUILD_UTILITY_SHAPEINDEX "builds the utility program shapeindex" ON)
 option(BUILD_UTILITY_SVG2PNG "builds the utility program svg2png" ON)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 14)
 
 find_package(Boost 1.74 REQUIRED COMPONENTS filesystem system regex program_options)
 find_package(ICU REQUIRED COMPONENTS uc)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a4746f37c..534085ff5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -278,8 +278,12 @@ endif()
 add_library(mapnik ${COMPILE_SRC})
 add_library(mapnik::mapnik ALIAS mapnik)
 
+set(COMPILE_DEFS "")
+if(BUILD_SHARED_LIBS)
+    list(APPEND COMPILE_DEFS MAPNIK_EXPORTS)
+endif()
 
-target_compile_definitions(mapnik PRIVATE MAPNIK_EXPORTS)
+target_compile_definitions(mapnik PRIVATE ${COMPILE_DEFS})
 target_link_libraries(mapnik PRIVATE 
     mapnik::headers
     mapnik::agg