Re: [Plib-users] Linking or compaling problem.

[<p.l...@ci...>]

In LIBS just put the -lopengl32 and -lSDL* after the libplib* stuffs, and, less
important, remove the -l* stuffs from CXXFLAGS since are not appropriate there.

Greetings -

Paolo


Scrive Francisco Carbonari <fra...@gm...>:

> Hi everybody. I'm new to the list and I wrote here because I need
> help. I read the list archives but I couldn' t find the solution, only
> a few tips but they thosen' t are enough for me...
> The problem is this, I dowload the package of plib and I compiled it
> with cygwin and Dev-cpp (mingw). The compilation runs fine I think, I
> get the lib*.a files. Then I think the problem is with the linker...
> I get a simple piece of code that uses SDL and openGL and compile and
> run fine, then I modified this code with two or three lines to get
> plib in my program, but the the program don't finish the compiling
> anymore. It's seems that they don't recognize the openGL functions
> gl*(*).
> I think maybe is the order of the parameters passed to the linker (I
> read a problem like that in the archives) but my experience with this
> enviroment is still too little...
> Here are the makefile the Dev-cpp automatically generate for the project:
>
> # Project: SDL-GL_01
> # Makefile created by Dev-C++ 4.9.9.0
>
> CPP  = g++.exe -D__DEBUG__
> CC   = gcc.exe -D__DEBUG__
> WINDRES = windres.exe
> RES  = SDL-DL_01_private.res
> OBJ  = main.o $(RES)
> LINKOBJ  = main.o $(RES)
> LIBS =  -L"C:/Archivos de programa/Dev-Cpp/lib" -mwindows -lmingw32
> -lopengl32 -lSDLmain -lSDL ../../lib/plib/libplibfnt.a
> ../../lib/plib/libplibpu.a ../../lib/plib/libplibul.a -mwin32 -lm
> -lgdi32 -lwinmm  -lgmon -pg  -g3
> INCS =  -I"C:/Archivos de programa/Dev-Cpp/include"
> CXXINCS =  -I"C:/Archivos de programa/Dev-Cpp/include/c++/3.3.1"
> -I"C:/Archivos de programa/Dev-Cpp/include/c++/3.3.1/mingw32"
> -I"C:/Archivos de programa/Dev-Cpp/include/c++/3.3.1/backward"
> -I"C:/Archivos de programa/Dev-Cpp/lib/gcc-lib/mingw32/3.3.1/include"
> -I"C:/Archivos de programa/Dev-Cpp/include"
> BIN  = SDL-GL_01.exe
> CXXFLAGS = $(CXXINCS) -DPU_USING_SDL -DWIN32 -g -mwin32 -lm -lgdi32
> -lwinmm   -pg -g3
> CFLAGS = $(INCS)   -pg -g3
>
> .PHONY: all all-before all-after clean clean-custom
>
> all: all-before SDL-GL_01.exe all-after
>
>
> clean: clean-custom
> 	rm -f $(OBJ) $(BIN)
>
> $(BIN): $(OBJ)
> 	$(CPP) $(LINKOBJ) -o "SDL-GL_01.exe" $(LIBS)
>
> main.o: main.cpp
> 	$(CPP) -c main.cpp -o main.o $(CXXFLAGS)
>
> SDL-DL_01_private.res: SDL-DL_01_private.rc
> 	$(WINDRES) -i SDL-DL_01_private.rc -I rc -o SDL-DL_01_private.res -O coff
>
>
> And the errors that the linker shots me are like this:
>
> ../../lib/plib/libplibpu.a(pu.o): In function `Z16glIsValidContextv':
> C:/Archivos de programa/Dev-Cpp/include/plib-1.8.4/src/pui/pu.cxx:105:
> undefined reference to `wglGetCurrentContext@0'
>
> ../../lib/plib/libplibpu.a(pu.o): In function `Z12puDrawCursorii':
> C:/Archivos de programa/Dev-Cpp/include/plib-1.8.4/src/pui/pu.cxx:137:
> undefined reference to `glColor4fv@4'
>
> C:/Archivos de programa/Dev-Cpp/include/plib-1.8.4/src/pui/pu.cxx:139:
> undefined reference to `glBegin@4'
> C:/Archivos de programa/Dev-Cpp/include/plib-1.8.4/src/pui/pu.cxx:140:
> undefined reference to `glVertex2i@8'
>
> etc, etc...
>
> In the code I already do this:
>
> #define _WIN32_WINNT 0x0500
> #define WINVER 0x0500
> #define WIN32_LEAN_AND_MEAN
> #define NOGDI
>
> #include <windows.h>
>
> #include <gl/gl.h>
> #include <SDL/SDL.h>
> #define PU_USE_SDL  1
> #include <plib/pu.h>
>
> In this order...
> Well, this is a picture of the problem. Like I'd say I have little
> experience yet, so I couldn't find a solution to this problem. If
> someone can help me I really appreciate the effort...
> Thanks a lot...
>
>
> PD: Excuse my english, it's not my natural language :)
>
>
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