gif doesn't build in arm

[kaijun61@…]

If I set --enable-gif, mplayer doesn't build yet up to rev. 32249, see build log

| arm-angstrom-linux-gnueabi-gcc -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mno-thumb -mthumb-interwork -mno-thumb -MMD -MF libvo/vo_gif89a.d -MT libvo/vo_gif89a.o -Wundef -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wdisabled-optimization -Wno-pointer-sign -Wdeclaration-after-statement -std=gnu99 -O2 -pipe -g -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -funit-at-a-time -I/home/tang/Project/OE/build/tmp/sysroots/beagleboard-angstrom-linux-gnueabi/kernel/include -I/home/tang/Project/OE/build/tmp/work/armv7a-angstrom-linux-gnueabi/mplayer-0.0+1.0rc3+svnr4-r25/../ffmpeg-2_0.6+r16.3+svnr3-r16.3/trunk -I/home/tang/Project/OE/build/tmp/sysroots/beagleboard-angstrom-linux-gnueabi/usr/share/ti/ti-linuxutils-tree/packages/ti/sdo/linuxutils/sdma/include -I/home/tang/Project/OE/build/tmp/sysroots/beagleboard-angstrom-linux-gnueabi/usr/share/ti/ti-linuxutils-tree/packages/ti/sdo/linuxutils/cmem/include -I/home/tang/Project/OE/build/tmp/sysroots/beagleboard-angstrom-linux-gnueabi/usr/share/ti/ti-codec-engine-tree/packages/ti/sdo/ce -I/home/tang/Project/OE/build/tmp/sysroots/beagleboard-angstrom-linux-gnueabi/usr/share/ti/ti-dmai-tree/ce -I. -isystem/home/tang/Project/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -fexpensive-optimizations -ftree-vectorize -fomit-frame-pointer -O4 -ffast-math -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mno-thumb -mthumb-interwork -mno-thumb -isystem/home/tang/Project/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -D_REENTRANT -I/home/tang/Project/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include/freetype2 -I/home/tang/Project/OE/build/tmp/sysroots/armv7a-angstrom-linux-gnueabi/usr/include -c -o libvo/vo_gif89a.o libvo/vo_gif89a.c
| libvo/vo_gif89a.c:47:21: warning: gif_lib.h: No such file or directory
| libvo/vo_gif89a.c:98: error: expected '=', ',', ';', 'asm' or 'attribute' before '*' token
| libvo/vo_gif89a.c:101: error: expected '=', ',', ';', 'asm' or 'attribute' before '*' token
| libvo/vo_gif89a.c: In function 'config':
| libvo/vo_gif89a.c:199: error: 'new_gif' undeclared (first use in this function)
| libvo/vo_gif89a.c:199: error: (Each undeclared identifier is reported only once
| libvo/vo_gif89a.c:199: error: for each function it appears in.)
| libvo/vo_gif89a.c:199: warning: implicit declaration of function 'EGifOpenFileName'
| libvo/vo_gif89a.c:218: error: 'reduce_cmap' undeclared (first use in this function)
| libvo/vo_gif89a.c:218: warning: implicit declaration of function 'MakeMapObject'
| libvo/vo_gif89a.c:233: warning: implicit declaration of function 'EGifPutScreenDesc'
| libvo/vo_gif89a.c:155: warning: unused parameter 'd_width'
| libvo/vo_gif89a.c:156: warning: unused parameter 'd_height'
| libvo/vo_gif89a.c:156: warning: unused parameter 'flags'
| libvo/vo_gif89a.c:156: warning: unused parameter 'title'
| libvo/vo_gif89a.c: At top level:
| libvo/vo_gif89a.c:252: error: expected declaration specifiers or '...' before 'GifColorType'
| libvo/vo_gif89a.c: In function 'gif_reduce':
| libvo/vo_gif89a.c:270: warning: implicit declaration of function 'QuantizeBuffer'
| libvo/vo_gif89a.c:270: error: 'colors' undeclared (first use in this function)
| libvo/vo_gif89a.c: In function 'flip_page':
| libvo/vo_gif89a.c:284: error: 'reduce_cmap' undeclared (first use in this function)
| libvo/vo_gif89a.c:284: error: too many arguments to function 'gif_reduce'
| libvo/vo_gif89a.c:285: error: 'GIF_ERROR' undeclared (first use in this function)
| libvo/vo_gif89a.c:305: warning: implicit declaration of function 'EGifPutExtension'
| libvo/vo_gif89a.c:305: error: 'new_gif' undeclared (first use in this function)
| libvo/vo_gif89a.c:307: warning: implicit declaration of function 'EGifPutImageDesc'
| libvo/vo_gif89a.c:309: warning: implicit declaration of function 'EGifPutLine'
| libvo/vo_gif89a.c: In function 'draw_frame':
| libvo/vo_gif89a.c:312: warning: unused parameter 'src'
| libvo/vo_gif89a.c: In function 'uninit':
| libvo/vo_gif89a.c:354: error: 'new_gif' undeclared (first use in this function)
| libvo/vo_gif89a.c:360: warning: implicit declaration of function 'EGifPutComment'
| libvo/vo_gif89a.c:361: warning: implicit declaration of function 'EGifCloseFile'
| libvo/vo_gif89a.c:368: error: 'reduce_cmap' undeclared (first use in this function)
| libvo/vo_gif89a.c:368: warning: implicit declaration of function 'FreeMapObject'

[reimar]

As configure says multiple times, do not use these --enable options unless you know very specifically what you are doing.
In your case giflib is not (properly?) installed, thus attempting to compile with support for it will necessarily fail.