ライオンでSDL2をビルドするとき、makefileを実行するときに次のことに遭遇しました。
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_audiodev.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_yuv_mmx.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_render_d3d.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_libgl2D.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_ndsrender.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_render_gles.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_render_gles2.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_shaders_gles2.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_getenv.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_malloc.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_qsort.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_stdlib.o) has no symbols
/usr/bin/ranlib: file: build/.libs/libSDL2.a(SDL_x11opengles.o) has no symbols
libtool: link: ranlib build/.libs/libSDL2.a
ranlib: file: build/.libs/libSDL2.a(SDL_audiodev.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_yuv_mmx.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_render_d3d.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_libgl2D.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_ndsrender.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_render_gles.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_render_gles2.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_shaders_gles2.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_getenv.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_malloc.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_qsort.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_stdlib.o) has no symbols
ranlib: file: build/.libs/libSDL2.a(SDL_x11opengles.o) has no symbols
これがそれと関係があるかどうかはわかりませんが、以前は、不平を言うのを防ぐためにこの修正を行う必要がありましSDL_x11sym.h:106:1た。
