I ran the script and followed every step of the getting started raspberry guide. This error also happened on the git version prior to of 0.11.0 release. The only difference is I had legacy driver. Changed to Driver Full KMS
, reboot, same linker error, any example, from the of_v0.11.0_linuxarmv6l_release. Same makefiles from the release. Since it compiles OF ok, in the new GLFW mechanism, i am lost trying to figure out how to track this linker error, since libopenframeworks.a is there…
The only difference i find is using Rpi3b+. But this worked before. Now with Raspbian 10 things have never worked for me 
Here is another snippet from 3dmodelloader example:
Linking bin/3DModelLoaderExample for linuxarmv6l
g++ -o bin/3DModelLoaderExample obj/linuxarmv6l/Release/src/ofApp.o obj/linuxarmv6l/Release/src/main.o /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/addons/obj/linuxarmv6l/Release/ofxAssimpModelLoader/src/ofxAssimpAnimation.o /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/addons/obj/linuxarmv6l/Release/ofxAssimpModelLoader/src/ofxAssimpMeshHelper.o /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/addons/obj/linuxarmv6l/Release/ofxAssimpModelLoader/src/ofxAssimpModelLoader.o /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/addons/obj/linuxarmv6l/Release/ofxAssimpModelLoader/src/ofxAssimpTexture.o /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a -Wl,-rpath=./libs:./bin/libs -Wl,--as-needed -Wl,--gc-sections -pthread -latomic -L/opt/vc/lib /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/kiss/lib/linuxarmv6l/libkiss.a /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/tess2/lib/linuxarmv6l/libtess2.a -lz -lgstapp-1.0 -lgstvideo-1.0 -lgstbase-1.0 -lgstreamer-1.0 -ludev -lfontconfig -lfreetype -lsndfile -lopenal -lcurl -lglfw -lrtaudio -lasound -lpulse-simple -lpulse -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lmpg123 -lGLEW -lGLU -lGL -lassimp -lfreeimage -lboost_filesystem -lboost_system -lpugixml -luriparser -lXinerama -lglfw -lGLESv2 -lGLESv1_CM -lEGL -lopenmaxil -lbcm_host -lvcos -lvchiq_arm -lpcre -lrt -lX11 -ldl
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofGraphics.o): in function `ofBackgroundGradient(ofColor_<unsigned char> const&, ofColor_<unsigned char> const&, ofGradientMode)':
ofGraphics.cpp:(.text+0x469c): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofBaseTypes.o): in function `ofBaseMaterial::uploadMatrices(ofShader const&, ofGLProgrammableRenderer&) const':
ofBaseTypes.cpp:(.text+0x13cc): undefined reference to `ofShader::setUniformMatrix4f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::mat<4, 4, float, (glm::qualifier)0> const&, int) const'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofLight.o): in function `ofLightsData()':
ofLight.cpp:(.text+0x48): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofLight.o): in function `ofLight::setup()':
ofLight.cpp:(.text+0x32f0): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofGLUtils.o): in function `ofGetGLRenderer()':
ofGLUtils.cpp:(.text+0x1174): undefined reference to `ofGLProgrammableRenderer::TYPE[abi:cxx11]'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o): in function `ofTexture::generateMipmap()':
ofTexture.cpp:(.text+0xf20): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o): in function `ofTexture::allocate(ofPixels_<unsigned char> const&)':
ofTexture.cpp:(.text+0x19f4): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o): in function `ofTexture::allocate(ofPixels_<unsigned char> const&, bool)':
ofTexture.cpp:(.text+0x1b40): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o): in function `ofTexture::allocate(ofPixels_<unsigned short> const&)':
ofTexture.cpp:(.text+0x1d40): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o): in function `ofTexture::allocate(ofPixels_<unsigned short> const&, bool)':
ofTexture.cpp:(.text+0x1e8c): undefined reference to `ofIsGLProgrammableRenderer()'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofTexture.o):ofTexture.cpp:(.text+0x208c): more undefined references to `ofIsGLProgrammableRenderer()' follow
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofMaterial.o): in function `ofMaterial::updateMaterial(ofShader const&, ofGLProgrammableRenderer&) const':
ofMaterial.cpp:(.text+0x254): undefined reference to `ofShader::setUniform4fv(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float const*, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x2ac): undefined reference to `ofShader::setUniform4fv(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float const*, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x2f4): undefined reference to `ofShader::setUniform4fv(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float const*, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x33c): undefined reference to `ofShader::setUniform4fv(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float const*, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x390): undefined reference to `ofShader::setUniform4fv(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float const*, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x3dc): undefined reference to `ofShader::setUniform1f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x40c): undefined reference to `ofShader::setUniform1f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, float) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x440): undefined reference to `ofShader::setUniform2f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::vec<2, float, (glm::qualifier)0> const&) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x474): undefined reference to `ofShader::setUniform3f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::vec<3, float, (glm::qualifier)0> const&) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x4a8): undefined reference to `ofShader::setUniform4f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::vec<4, float, (glm::qualifier)0> const&) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x4e4): undefined reference to `ofShader::setUniform1i(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x518): undefined reference to `ofShader::setUniform2i(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x554): undefined reference to `ofShader::setUniform3i(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, int, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x598): undefined reference to `ofShader::setUniform4i(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, int, int, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x5d0): undefined reference to `ofShader::setUniformMatrix4f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::mat<4, 4, float, (glm::qualifier)0> const&, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x608): undefined reference to `ofShader::setUniformMatrix3f(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, glm::mat<3, 3, float, (glm::qualifier)0> const&, int) const'
/usr/bin/ld: ofMaterial.cpp:(.text+0x644): undefined reference to `ofShader::setUniformTexture(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int, int, int) const'
/usr/bin/ld: /home/pi/Desktop/ofrpi/of_v0.11.0_linuxarmv6l_release/libs/openFrameworksCompiled/lib/linuxarmv6l/libopenFrameworks.a(ofMaterial.o): in function `ofMaterial::updateLights(ofShader const&, ofGLProgrammableRenderer&) const':
Thanks for any insight, I can troubleshoot whatever necessary, thank you for following up.