May you please help
I get the following compilation error when I try to compile a nurbs++ package with openGL support .
This is part of what i get until the error at the end
checking if the linker (c:/MinGW/mingw32/bin/ld.exe) is GNU ld... yes
checking for c:/MinGW/mingw32/bin/ld.exe option to reload object files... -r
checking for BSD-compatible nm... /mingw/bin/nm
checking whether ln -s works... yes
checking how to recognise dependant libraries... file_magic file format pei*-i38 6(.*architecture: i386)?
checking command to parse /mingw/bin/nm output... ok
checking how to run the C preprocessor... gcc -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking dlfcn.h usability... no
checking dlfcn.h presence... no
checking for dlfcn.h... no
checking for ranlib... ranlib
checking for strip... strip
checking for objdir... .libs
checking for gcc option to produce PIC... -DDLL_EXPORT
checking if gcc PIC flag -DDLL_EXPORT works... yes
checking if gcc static flag -static works... yes
checking if gcc supports -c -o file.o... yes
checking if gcc supports -c -o file.lo... yes
checking if gcc supports -fno-rtti -fno-exceptions... yes
checking whether the linker (c:/MinGW/mingw32/bin/ld.exe) supports shared
librar ies... yes
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking dynamic linker characteristics... Win32 ld.exe
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
creating libtool
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking how to run the C preprocessor... gcc
-E
checking for a BSD-compatible install... /bin/install -c
checking whether make sets ${MAKE}... (cached) yes
checking for cppunit-config... no
no
no
checking for X... no
checking "if you want to use the OpenGL extensions"... yes
checking "we like Mesa GL instead of just OpenGL"... "no"
checking "for Gl location"... "/usr/local/gl"
checking "for Gl include paths"... "Good, includes in your path"
"+ Gl libraries , Gl includes "
checking for main in -lGL... no
configure: WARNING: "Can\'t not link with Gl, trying the Mesa library..."
checking for main in -lMesaGL... no
configure: error: "You need to install \(Mesa\) OpenGL first: can\'t find either the GL or MesaGL library"
I have checked and all my openGL libraries and files are in place