mingw - Graphviz - Could not load gvplugin_pango.dll -


i'm attempting run graphviz library clion in windows. it's taken me quite while far , hope final hurdle. when run program see following warning , no graph 

warning: not load "c:\program files (x86)\graphviz2.38\bin\gvplugin_pango.dll" - can't open module

i'm running clion mingw 3.22 toolchain. cmakelists , main.c below. unfortunately i'm unable sign graphviz forums i'm hoping here might have suggestions. far i've tried -

  • installing , using mingw-64
  • installing older version of graphviz (2.28, current 2.38)
  • including gvplugin_pango library in cmakelists.txt
  • changing permissions graphviz folder allow full access everyone, tested dot -c , works fine
  • set gvbindir env variable explicitly point 2.38 installation
  • tried setting m32 in cmakelists.txt (not 100% did correctly)

cmakelists.txt

cmake_minimum_required(version 3.6) project(learning)  set(cmake_cxx_flags "${cmake_c_flags}") set(graphviz_include_dir "c:/program files (x86)/graphviz2.38/include/graphviz") set(graphviz_lib_dir "c:/program files (x86)/graphviz2.38/lib/release/lib")  set(source_files main.c) include_directories("${graphviz_include_dir}") add_executable(learning ${source_files})  find_library(cgraph_library cgraph hints "${graphviz_lib_dir}" required) find_library(gvc_library gvc hints "${graphviz_lib_dir}" required) target_link_libraries( learning ${cgraph_library} ${gvc_library} )

main.c

#include <stdio.h> #include <malloc.h> #include <string.h> #include <gvc.h> #include <cgraph.h>  int main() {     agraph_t *graph;     agnode_t *nodea, *nodeb;     agedge_t *edge1;     agsym_t *symbol1;     gvc_t *gvc;      gvc = gvcontext();     graph = agopen( "graph", agdirected, null);     nodea = agnode(graph, "nodea", 1);     nodeb = agnode(graph, "nodeb", 1);     edge1 = agedge(graph, nodea, nodeb, 0, 1);     printf("debug");      agsafeset(nodea, "color", "red", "");     gvlayout(gvc, graph, "dot");     gvrender(gvc, graph, "dot", null);     agclose(graph);     return ( gvfreecontext(gvc));     }

the warning might caused missing runtime dependency, pango library. try installing appropriate pango or pangocairo package mingw setup see if resolves issue.

let me know if works!


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