编译ffmpeg以支持SPEEX解码
我正在编译ffmpeg来支持Speex解码。 我在shell脚本中使用了以下标志–enable-libspeex来启用speex解码。 我也编译了从这个链接下载的speex 1.2rc1。 编译完头文件后，可以在/ usr / local / include / speex这个path下使用。 按照上面的过程，当编译ffmpeg来产生对SPEEX解码的支持时，我得到错误libspeex not found。 谁能帮我这个？
Config.log：
BEGIN /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c 1 #include <math.h> 2 float foo(float f, float g) { return roundf(f); } 3 int main(void){ return (int) foo; } END /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c xcrun -sdk iphoneos clang -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE - DPIC -arch armv7s -mios-version-min=6.0 -mcpu= -std=c99 -fomit-frame-pointer -fPIC - mthumb -c -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c clang: warning: joined argument expects additional value: '-mcpu=' xcrun -sdk iphoneos clang -arch armv7s -mios-version-min=6.0 -Wl,-dynamic,- search_paths_first -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.vFN4Vpqk /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o -lm -lz check_mathfunc sinf 1 check_ld cc check_cc BEGIN /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c 1 #include <math.h> 2 float foo(float f, float g) { return sinf(f); } 3 int main(void){ return (int) foo; } END /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c xcrun -sdk iphoneos clang -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE - DPIC -arch armv7s -mios-version-min=6.0 -mcpu= -std=c99 -fomit-frame-pointer -fPIC - mthumb -c -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c clang: warning: joined argument expects additional value: '-mcpu=' xcrun -sdk iphoneos clang -arch armv7s -mios-version-min=6.0 -Wl,-dynamic,- search_paths_first -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.vFN4Vpqk /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o -lm -lz check_mathfunc trunc 1 check_ld cc check_cc BEGIN /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c 1 #include <math.h> 2 float foo(float f, float g) { return trunc(f); } 3 int main(void){ return (int) foo; } END /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c xcrun -sdk iphoneos clang -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE - DPIC -arch armv7s -mios-version-min=6.0 -mcpu= -std=c99 -fomit-frame-pointer -fPIC - mthumb -c -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c clang: warning: joined argument expects additional value: '-mcpu=' xcrun -sdk iphoneos clang -arch armv7s -mios-version-min=6.0 -Wl,-dynamic,- search_paths_first -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.vFN4Vpqk /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o -lm -lz check_mathfunc truncf 1 check_ld cc check_cc BEGIN /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c 1 #include <math.h> 2 float foo(float f, float g) { return truncf(f); } 3 int main(void){ return (int) foo; } END /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c xcrun -sdk iphoneos clang -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPIC -arch armv7s -mios-version-min=6.0 -mcpu= -std=c99 -fomit-frame-pointer -fPIC -mthumb -c -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c clang: warning: joined argument expects additional value: '-mcpu=' xcrun -sdk iphoneos clang -arch armv7s -mios-version-min=6.0 -Wl,-dynamic,-search_paths_first -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.vFN4Vpqk /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o -lm -lz check_lib speex/speex.h speex_decoder_init -lspeex check_header speex/speex.h check_cpp BEGIN /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c 1 #include <speex/speex.h> 2 int x; END /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c xcrun -sdk iphoneos clang -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPIC -arch armv7s -mios-version-min=6.0 -mcpu= -std=c99 -fomit-frame-pointer -fPIC -mthumb -E -o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.8q3GcEO3.o /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c clang: warning: joined argument expects additional value: '-mcpu=' /var/folders/5p/cffcbsm954b632yfzq4jrbbw0000gn/T//ffconf.5U5MfgMb.c:1:10: fatal error: 'speex/speex.h' file not found #include <speex/speex.h> ^ 1 error generated. ERROR: libspeex not found 要么你的gcc没有在/usr/local/include查找，或者你的dynamic连接器没有/usr/local/lib的path。
重新编译speex并传递--prefix=/usr选项进行configuration。