Hi Miguel
Thanks for response. Not sure where the 1 comes from, I cannot see it anywhere in options. Full build log below
-------------- Build: Debug in Test (compiler: mingw-w64-i686-8.1.0-posix-sjlj)---------------
windres.exe -IC:\wxWidgets-3.1.3\include -IC:\wxWidgets-3.1.3\lib\gcc_dll\mswud -J rc -O coff -i C:\Users\Hugh\DOCUME~1\MYSOFT~1\CODEBL~1\Test\resource.rc -o obj\Debug\resource.res
g++.exe -Wall -std=c++17 -pipe -mthreads -D__GNUWIN32__ -D__WXMSW__ -DWXUSINGDLL -DwxUSE_UNICODE -g -D__WXDEBUG__ -IC:\wxWidgets-3.1.3\include -IC:\wxWidgets-3.1.3\lib\gcc_dll\mswud -c C:\Users\Hugh\Documents\MySoftware\CodeBlocks\Test\TestApp.cpp -o obj\Debug\TestApp.o
g++.exe -Wall -std=c++17 -pipe -mthreads -D__GNUWIN32__ -D__WXMSW__ -DWXUSINGDLL -DwxUSE_UNICODE -g -D__WXDEBUG__ -IC:\wxWidgets-3.1.3\include -IC:\wxWidgets-3.1.3\lib\gcc_dll\mswud -c C:\Users\Hugh\Documents\MySoftware\CodeBlocks\Test\TestMain.cpp -o obj\Debug\TestMain.o
g++.exe -LC:\wxWidgets-3.1.3\lib\gcc_dll -o bin\Debug\Test.exe obj\Debug\TestApp.o obj\Debug\TestMain.o obj\Debug\resource.res -mthreads -lwxmsw31ud_richtext -lwxmsw31ud_xrc -lwxmsw31ud_aui -lwxmsw31ud_media -lwxbase31ud_net -lwxmsw31ud_gl -lwxbase31ud_xml -lwxmsw31ud_adv -lwxmsw31ud_html -lwxmsw31ud_core -lwxbase31ud -lwxpngd -lwxjpegd -lwxtiffd -lwxzlibd -lwxregexud -lwxexpatd -lC:\wxWidgets-3.1.3 -mwindows
C:/Program Files (x86)/mingw-w64/i686-8.1.0-posix-sjlj-rt_v6-rev0/mingw32/bin/../lib/gcc/i686-w64-mingw32/8.1.0/../../../../i686-w64-mingw32/bin/ld.exe: cannot find -lC:\wxWidgets-3.1.3
collect2.exe: error: ld returned 1 exit status
Process terminated with status 1 (0 minute(s), 14 second(s))
2 error(s), 0 warning(s) (0 minute(s), 14 second(s))