未定义的引用上G ++的Linux

我试图建立我的openGL的项目链接静态libSOIL.a，所有的工作顺利，直到我试图用为土库（http://www.lonesock.net/soil.html）从图像加载纹理。这个库带有一个SOIL.h和一个libSOIL.a文件。未定义的引用上G ++的Linux

这就是我得到这样做时：

g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/main.o src/main.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/file_ply_stl.o src/file_ply_stl.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/Proyecto.o src/Proyecto.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/Clock.o src/Clock.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/utils.o src/utils.cpp 

... 

g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/primitives/cilindro.o src/primitives/cilindro.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -c -o src/primitives/cono.o src/primitives/cono.cpp 
g++ -I./src -Wl,-rpath,./lib -O3 -g -o app -L./lib src/main.o src/file_ply_stl.o src/Proyecto.o src/Clock.o src/utils.o src/Window.o src/Light.o src/Material.o src/PlyModel.o src/Placeable.o src/Moveable.o src/Model.o src/Texture.o src/Geometry.o src/TriGeometry.o src/TriIndGeometry.o src/Entity.o src/Camera.o src/Bounded.o src/Animatable.o src/Scene.o src/Graphics.o src/Vert.o src/Path.o src/Ant.o src/Tank.o src/Chess.o src/primitives/tetra.o src/primitives/cubo.o src/primitives/cilindro.o src/primitives/cono.o -lsfml-window -lsfml-system -lX11 -lXext -lXmu -lXi -lXt -lSM -lICE -lGLU -lGL -lglut -lSOIL 
src/Texture.o: In function `Texture::ini(char const*)': 
/home/roger/t/ig/prac/proyecto/src/Texture.cpp:9: undefined reference to `SOIL_load_OGL_texture' 
collect2: ld devolvió el estado de salida 1 
make: *** [app] Error 1

这就是我的Makefile：

TARGET = app 

MODULES = src/main.o src/file_ply_stl.o src/Proyecto.o src/Clock.o src/utils.o 
ENGINE = src/Window.o src/Light.o src/Material.o src/PlyModel.o src/Placeable.o src/Moveable.o src/Model.o src/Texture.o src/Geometry.o src/TriGeometry.o src/TriIndGeometry.o src/Entity.o src/Camera.o src/Bounded.o src/Animatable.o src/Scene.o src/Graphics.o src/Vert.o 
GAME = src/Path.o src/Ant.o src/Tank.o 
PRIMITIVES = src/Chess.o src/primitives/tetra.o src/primitives/cubo.o src/primitives/cilindro.o src/primitives/cono.o 

CXX = g++ 
LIBDIR = ./lib 
INCDIR = ./src 

LIBS = -lsfml-window -lsfml-system -lX11 -lXext -lXmu -lXi -lXt -lSM -lICE -lGLU -lGL -lglut -lSOIL 

LDFLAGS = -L$(LIBDIR) 
CXXFLAGS = -I$(INCDIR) -Wl,-rpath,$(LIBDIR) -O3 -g 

$(TARGET): $(MODULES) $(ENGINE) $(GAME) $(PRIMITIVES) 
    $(CXX) $(CXXFLAGS) -o $(TARGET) $(LDFLAGS) $(MODULES) $(ENGINE) $(GAME) $(PRIMITIVES) $(LIBS) 

clean: 
    rm -f $(MODULES) $(ENGINE) $(GAME) $(PRIMITIVES) $(TARGET)

这就是我的文件层次结构：

.: 
lib Makefile src 

./lib: 
libsfml-audio.so  libsfml-graphics.so.2.0 libsfml-system.so.2 libSOIL.a 
libsfml-audio.so.2  libsfml-network.so  libsfml-system.so.2.0 libSOIL.a.1 
libsfml-audio.so.2.0 libsfml-network.so.2  libsfml-window.so  libSOIL.a.1.0 
libsfml-graphics.so libsfml-network.so.2.0 libsfml-window.so.2 
libsfml-graphics.so.2 libsfml-system.so  libsfml-window.so.2.0 

./src: 
Animatable.cpp Clock.cpp   Light.cpp  Moveable.h  random.h   TriGeometry.h 
Animatable.h Clock.h   Light.h  Path.cpp  Scene.cpp  TriIndGeometry.cpp 
Ant.cpp   Entity.cpp  main.cpp  Path.h   Scene.h   TriIndGeometry.h 
Ant.h   Entity.h   main.h  Placeable.cpp SFML    utils.cpp 
Bounded.cpp  file_ply_stl.cpp Material.cpp Placeable.h SOIL    utils.h 
Bounded.h  file_ply_stl.h Material.h PlyModel.cpp Tank.cpp   Vert.cpp 
Camera.cpp  Geometry.cpp  matrix.h  PlyModel.h  Tank.h   vertex.h 
Camera.h  Geometry.h  Model.cpp  primitives  Texture.cpp  Vert.h 
Chess.cpp  Graphics.cpp  Model.h  Proyecto.cpp Texture.h  Window.cpp 
Chess.h   Graphics.h  Moveable.cpp Proyecto.h  TriGeometry.cpp Window.h 

./src/primitives: 
... 

./src/SFML: 
... 

./src/SFML/Audio: 
... 

./src/SFML/Graphics: 
... 

./src/SFML/Network: 
... 

./src/SFML/System: 
... 

./src/SFML/Window: 
... 

./src/SOIL: 
SOIL.h

我不知道什么是继续，以及为什么编译器没有找到库文件。我已经得到的#include“土/ SOIL.h”在Texture.h和Texture.cpp调用SOIL_load_OGL_texture：9，这是因为在SOIL.h.定义的函数名称¿我做得不好？

编辑

我用提供的库，我编译它自己和它的工作。

来源

2012-06-05 rogelius

libSOIL.a是符号链接到libSOIL.a.1 // libSOIL.a.1是符号链接到libSOIL.a.1.0 // libSOIL.a.1.0是静态库// 我试过只留下libSOIL.a作为库的名称（无链接），而同样的情况...... – rogelius

我一定要当我编译土壤库连问法4年年前的这个答案写下来，因为它是那么难写的CMakeLists.txt自己之前，我找到的CMakeLists.txt。

所述的CMakeLists.txt

cmake_minimum_required (VERSION 2.6) 
project (SOIL) 

set (SOIL_BUILD_TESTS false CACHE BOOL "Build tests") 

if(ANDROID) 
    # Android requires GL ES 2.0 package automatically 
    set(LIBRARIES GLESv2) 
else() 
    find_package (OpenGL REQUIRED) 
    include_directories (${OPENGL_INCLUDE_DIR}) 
    set(LIBRARIES ${OPENGL_LIBRARIES}) 
endif() 

file (GLOB SOIL_SOURCES src/*.c) 
file (GLOB SOIL_HEADERS src/*.h) 

add_library (SOIL ${SOIL_SOURCES} ${SOIL_HEADERS}) 
target_link_libraries (SOIL ${LIBRARIES}) 

install (TARGETS SOIL 
LIBRARY DESTINATION lib 
ARCHIVE DESTINATION lib) 
install (FILES ${SOIL_HEADERS} DESTINATION include/SOIL) 

if (SOIL_BUILD_TESTS) 
    add_executable (test_SOIL src/test_SOIL.cpp) 
    target_link_libraries (test_SOIL SOIL) 
    install (TARGETS SOIL test_SOIL RUNTIME DESTINATION bin) 
endif()

来源

2016-11-05 13:01:26

未定义的引用上G ++的Linux

回答

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