src/ref_gl/qgl.c: In function `logAccum':
src/ref_gl/qgl.c:797: warning: implicit declaration of function `SIG'
src/ref_gl/qgl.c: In function `GLimp_LogNewFrame':
src/ref_gl/qgl.c:3825: error: `glw_state' undeclared (first use in this function)
src/ref_gl/qgl.c:3825: error: (Each undeclared identifier is reported only once
src/ref_gl/qgl.c:3825: error: for each function it appears in.)
src/ref_gl/qgl.c: In function `GLimp_EnableLogging':
src/ref_gl/qgl.c:3834: error: `glw_state' undeclared (first use in this function)
src/ref_gl/qgl.c: In function `QGL_Link':
src/ref_gl/qgl.c:4908: warning: implicit declaration of function `GPA'
src/ref_gl/qgl.c:4908: warning: assignment makes pointer from integer without a cast
src/ref_gl/qgl.c:4909: warning: assignment makes pointer from integer without a cast