Addressing Ubuntu bug 686312 reported as freeglut bug 3407093 -- adding '-lm' to...

[freeglut] / include / GL / Makefile.am

## Process this file with automake to produce Makefile.in

libfreeglutincludedir = $(includedir)/GL
libfreeglutinclude_HEADERS = freeglut.h freeglut_std.h freeglut_ext.h @HEADER@
EXTRA_HEADERS = glut.h