Build failure with glfw 3.1.2: `error: 'GLFW_X11_CLASS_NAME' was not declared in this scope`

[barracuda156]

[ 77%] Building CXX object CMakeFiles/sviewgl.dir/src/main.cpp.o
/opt/local/bin/g++-mp-14 -DCURL_SUPPORT=1 -DDEBUG -DGIF_SUPPORT=1 -DGL_SILENCE_DEPRECATION -DIMLIB2_SUPPORT=1 -DJPEG2000_SUPPORT=1 -DLCMS2_SUPPORT=1 -DOPENEXR_SUPPORT=1 -DTIFF_SUPPORT=1 -DWEBP_SUPPORT=1 -F//System/Library/Frameworks -I/opt/local/include -I/opt/local/include/openjpeg-2.5 -I/opt/local/libexec/openexr2/include -I/opt/local/libexec/openexr2/include/OpenEXR -I/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src -I/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/third-party/imgui -I/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/third-party/lz4/include -pipe -Os -D_MACPORTS_LEGACY_COMPATIBLE_SCANDIR=1 -DNDEBUG -isystem/opt/local/include/LegacySupport -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=c++14 -arch ppc -mmacosx-version-min=10.6   -Wall -Wextra -pedantic -pedantic-errors -O0 -g -MD -MT CMakeFiles/sviewgl.dir/src/main.cpp.o -MF CMakeFiles/sviewgl.dir/src/main.cpp.o.d -o CMakeFiles/sviewgl.dir/src/main.cpp.o -c /opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp
/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp: In function 'void {anonymous}::setHints(const sConfig&)':
/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp:171:30: error: 'GLFW_X11_CLASS_NAME' was not declared in this scope
  171 |         glfwWindowHintString(GLFW_X11_CLASS_NAME, className);
      |                              ^~~~~~~~~~~~~~~~~~~
/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp:171:9: error: 'glfwWindowHintString' was not declared in this scope; did you mean 'glfwWindowHint'?
  171 |         glfwWindowHintString(GLFW_X11_CLASS_NAME, className);
      |         ^~~~~~~~~~~~~~~~~~~~
      |         glfwWindowHint
/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp: At global scope:
/opt/local/var/macports/build/simple-viewer-gl-6da5309b/work/simple-viewer-gl-3.2.4/src/main.cpp:140:10: warning: 'void {anonymous}::callbackCursorEnter(GLFWwindow*, int)' defined but not used [-Wunused-function]
  140 |     void callbackCursorEnter(GLFWwindow* /*window*/, int entered)
      |          ^~~~~~~~~~~~~~~~~~~
make[2]: *** [CMakeFiles/sviewgl.dir/src/main.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....