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如何告诉Homebrew我确实满足安装pygame所需的sdl_ttf库依赖？

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2 回答
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提问于 2025-04-18 13:56

我刚开始用brew，之前用得挺顺利的。现在我想安装pygame，但在一个叫sdl_ttf的依赖上卡住了。我现在用的是OS X 10.9（Mavericks）。总之，我已经自己下载并成功安装了这个包，但brew还是一直在要求这个依赖，并且安装失败。

从我的角度来看，我已经安装了这个依赖，所以brew应该让我继续进行。一个办法是“说服”brew我已经有这个依赖了。另一个办法是帮brew重新安装这个依赖，让它满意。我对make了解不多，但brew似乎在libtool: link: clang这一部分出错了。如果我能把 -lpng15 改成 -lpng16，我觉得可能就能继续安装（但我也可能错了）。

尝试安装pygame（和sdl_ttf依赖）：

brew install pygame
==> Installing dependencies for pygame: sdl_ttf, pixman, harfbuzz, homebr
==> Installing pygame dependency: sdl_ttf
==> Downloading http://www.libsdl.org/projects/SDL_ttf/release/SDL_ttf-2.0.11.ta
Already downloaded: /Library/Caches/Homebrew/sdl_ttf-2.0.11.tar.gz
==> ./configure --prefix=/usr/local/Cellar/sdl_ttf/2.0.11 --disable-sdltest
==> make install
/bin/sh ./libtool --tag=CC   --mode=link clang  -g -O2 -I/usr/local/Cellar/freetype/2.5.2/include/freetype2 -D_GNU_SOURCE=1 -D_THREAD_SAFE -I/usr/local/include/SDL  -DHAVE_OPENGL -no-undefined -release 2.0 -version-info 10:1:10  -o libSDL_ttf.la -rpath /usr/local/Cellar/sdl_ttf/2.0.11/lib SDL_ttf.lo  -L/usr/local/Cellar/freetype/2.5.2/lib -lfreetype -lz -lbz2 -lpng15 -L/usr/local/lib -lSDLmain -lSDL -Wl,-framework,Cocoa 
libtool: link: clang -dynamiclib  -o .libs/libSDL_ttf-2.0.0.dylib  .libs/SDL_ttf.o   -L/usr/local/Cellar/freetype/2.5.2/lib -lfreetype -lz -lbz2 -lpng15 -L/usr/local/lib -lSDLmain -lSDL  -Wl,-framework -Wl,Cocoa   -install_name  /usr/local/Cellar/sdl_ttf/2.0.11/lib/libSDL_ttf-2.0.0.dylib -compatibility_version 11 -current_version 11.1 -Wl,-single_module
ld: library not found for -lpng15
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [libSDL_ttf.la] Error 1

我记得lpng15这个问题，因为之前我也遇到过一个缺少的库，叫libpng15，而不是libpng16。我觉得我的直觉是对的——当我下载了SDL2_ttf-2.0.12的源代码并运行了./configure、make、make install时，它用了lpng16，而不是上面提到的lpng15：

SDL2_ttf-2.0.12的成功（非brew）make输出：

make
/bin/sh ./libtool  --tag=CC   --mode=compile gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_ttf\" -DVERSION=\"2.0.12\" -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -I.     -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -MT SDL_ttf.lo -MD -MP -MF .deps/SDL_ttf.Tpo -c -o SDL_ttf.lo SDL_ttf.c
libtool: compile:  gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_ttf\" -DVERSION=\"2.0.12\" -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -I. -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -MT SDL_ttf.lo -MD -MP -MF .deps/SDL_ttf.Tpo -c SDL_ttf.c  -fno-common -DPIC -o .libs/SDL_ttf.o
libtool: compile:  gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_ttf\" -DVERSION=\"2.0.12\" -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -I. -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -MT SDL_ttf.lo -MD -MP -MF .deps/SDL_ttf.Tpo -c SDL_ttf.c -o SDL_ttf.o >/dev/null 2>&1
mv -f .deps/SDL_ttf.Tpo .deps/SDL_ttf.Plo
/bin/sh ./libtool  --tag=CC   --mode=link gcc  -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -no-undefined -release 2.0 -version-info 10:2:10  -o libSDL2_ttf.la -rpath /usr/local/lib SDL_ttf.lo  -L/opt/local/lib -lfreetype -lz -lbz2 -lpng16 -L/usr/local/lib -lSDL2
libtool: link: gcc -dynamiclib  -o .libs/libSDL2_ttf-2.0.0.dylib  .libs/SDL_ttf.o   -L/opt/local/lib -lfreetype -lz -lbz2 -lpng16 -L/usr/local/lib -lSDL2    -install_name  /usr/local/lib/libSDL2_ttf-2.0.0.dylib -compatibility_version 11 -current_version 11.2 -Wl,-single_module
libtool: link: dsymutil .libs/libSDL2_ttf-2.0.0.dylib || :
libtool: link: (cd ".libs" && rm -f "libSDL2_ttf.dylib" && ln -s "libSDL2_ttf-2.0.0.dylib" "libSDL2_ttf.dylib")
libtool: link: ar cru .libs/libSDL2_ttf.a  SDL_ttf.o
libtool: link: ranlib .libs/libSDL2_ttf.a
libtool: link: ( cd ".libs" && rm -f "libSDL2_ttf.la" && ln -s "../libSDL2_ttf.la" "libSDL2_ttf.la" )
gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_ttf\" -DVERSION=\"2.0.12\" -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -I.     -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -MT showfont.o -MD -MP -MF .deps/showfont.Tpo -c -o showfont.o showfont.c
showfont.c:302:47: warning: format specifies type 'short' but the argument has
      type 'int' [-Wformat]
                        TTF_FontHeight(font), text->h);
                                              ^~~~~~~
1 warning generated.
mv -f .deps/showfont.Tpo .deps/showfont.Po
/bin/sh ./libtool  --tag=CC   --mode=link gcc  -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL   -o showfont showfont.o libSDL2_ttf.la -L/opt/local/lib -lfreetype -lz -lbz2 -lpng16 -L/usr/local/lib -lSDL2
libtool: link: gcc -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -o .libs/showfont showfont.o  ./.libs/libSDL2_ttf.dylib -L/opt/local/lib -L/usr/local/lib -lfreetype -lz -lbz2 -lpng16 -lSDL2
gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -DPACKAGE=\"SDL2_ttf\" -DVERSION=\"2.0.12\" -DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -I.     -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -MT glfont.o -MD -MP -MF .deps/glfont.Tpo -c -o glfont.o glfont.c
glfont.c:386:47: warning: format specifies type 'short' but the argument has
      type 'int' [-Wformat]
                        TTF_FontHeight(font), text->h);
                                              ^~~~~~~
1 warning generated.
mv -f .deps/glfont.Tpo .deps/glfont.Po
/bin/sh ./libtool  --tag=CC   --mode=link gcc  -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL   -o glfont glfont.o libSDL2_ttf.la -Wl,-framework,OpenGL  -L/opt/local/lib -lfreetype -lz -lbz2 -lpng16 -L/usr/local/lib -lSDL2
libtool: link: gcc -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -o .libs/glfont glfont.o -Wl,-framework -Wl,OpenGL  ./.libs/libSDL2_ttf.dylib -L/opt/local/lib -L/usr/local/lib -lfreetype -lz -lbz2 -lpng16 -lSDL2

看看最后那部分——它用了lpng16，可能是基于运行的配置：

libtool: link: gcc -g -O2 -I/opt/local/include/freetype2 -I/usr/local/include/SDL2 -D_THREAD_SAFE -DHAVE_OPENGL -o .libs/glfont glfont.o -Wl,-framework -Wl,OpenGL ./.libs/libSDL2_ttf.dylib -L/opt/local/lib -L/usr/local/lib -lfreetype -lz -lbz2 -lpng16 -lSDL2

记得当brew运行这段代码时，它试图使用lpng15，但找不到：

ld: library not found for -lpng15

在这种情况下，安装过程继续顺利（但brew还是不知道，依然想要一开始提到的sdl_ttf依赖）：

make install输出：

  make install
     ./install-sh -c -d '/usr/local/lib'
     /bin/sh ./libtool   --mode=install /usr/bin/install -c   libSDL2_ttf.la '/usr/local/lib'
    libtool: install: /usr/bin/install -c .libs/libSDL2_ttf-2.0.0.dylib /usr/local/lib/libSDL2_ttf-2.0.0.dylib
    libtool: install: (cd /usr/local/lib && { ln -s -f libSDL2_ttf-2.0.0.dylib libSDL2_ttf.dylib || { rm -f libSDL2_ttf.dylib && ln -s libSDL2_ttf-2.0.0.dylib libSDL2_ttf.dylib; }; })
    libtool: install: /usr/bin/install -c .libs/libSDL2_ttf.lai /usr/local/lib/libSDL2_ttf.la
    libtool: install: /usr/bin/install -c .libs/libSDL2_ttf.a /usr/local/lib/libSDL2_ttf.a
    libtool: install: chmod 644 /usr/local/lib/libSDL2_ttf.a
    libtool: install: ranlib /usr/local/lib/libSDL2_ttf.a
    ----------------------------------------------------------------------
    Libraries have been installed in:
       /usr/local/lib

    If you ever happen to want to link against installed libraries
    in a given directory, LIBDIR, you must either use libtool, and
    specify the full pathname of the library, or use the `-LLIBDIR'
    flag during linking and do at least one of the following:
       - add LIBDIR to the `DYLD_LIBRARY_PATH' environment variable
         during execution

    See any operating system documentation about shared libraries for
    more information, such as the ld(1) and ld.so(8) manual pages.
    ----------------------------------------------------------------------
     ./install-sh -c -d '/usr/local/include/SDL2'
     /usr/bin/install -c -m 644 SDL_ttf.h '/usr/local/include/SDL2'
     ./install-sh -c -d '/usr/local/lib/pkgconfig'
     /usr/bin/install -c -m 644 SDL2_ttf.pc '/usr/local/lib/pkgconfig'
os x makefile libpng package installation dependency management homebrew software compilation sdl_ttf

2 个回答

2

我觉得问题出在你升级了libpng，而你安装freetype的时候没有考虑到这一点，所以当你运行freetype-config --libs时，它给出的结果不对。你可以试试运行brew update; brew upgrade; brew reinstall freetype，这样应该能以正确的方式解决这个问题。

回答于 2025-04-18 由 Python大师
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看起来 libpng15 可能被 libpng16 替代了。我建议你可以尝试创建一个链接，把 libpng16 指向 libpng15（这样应该是向后兼容的）。

假设 libpng 在 /usr/local/lib 这个位置。

#create a link so any requests for lpng15 use lpng16 instead
sudo ln -s /usr/local/lib/lpng16.so /usr/local/lib/lpng15.so

确保你确认一下这个库在你电脑上的实际位置（我没有 OS X 的机器来测试）。

编辑 根据你在 /usr/local/lib 的输出，试试下面的命令 - 它会把任何缺失的 libpng15 文件链接到 libpng16。

sudo ln -s /usr/local/lib/libpng16.a /usr/local/lib/libpng15.a
sudo ln -s /usr/local/lib/libpng16.dylib /usr/local/lib/libpng15.dylib
回答于 2025-04-18 由 Python大师
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