No package 'xext' found

make

Package xext was not found in the pkg-config search path.

Perhaps you should add the directory containing `xext.pc'

to the PKG_CONFIG_PATH environment variable

No package 'xext' found

Package xext was not found in the pkg-config search path.

Perhaps you should add the directory containing `xext.pc'

to the PKG_CONFIG_PATH environment variable

No package 'xext' found

    CC build/debug/platform/x11/x11_image.o

platform/x11/x11_image.c:21:33: error: X11/extensions/XShm.h: No such file or directory

platform/x11/x11_image.c:98: error: expected specifier-qualifier-list before ?˜XShmSegmentInfo??

platform/x11/x11_image.c:103: error: expected declaration specifiers or ??..??before ?˜XShmSegmentInfo??

platform/x11/x11_image.c: In function ?˜createximage??

platform/x11/x11_image.c:108: warning: implicit declaration of function ?˜XShmQueryExtension??

platform/x11/x11_image.c:113: warning: implicit declaration of function ?˜XShmCreateImage??

platform/x11/x11_image.c:113: error: ?˜xsi??undeclared (first use in this function)

platform/x11/x11_image.c:113: error: (Each undeclared identifier is reported only once

platform/x11/x11_image.c:113: error: for each function it appears in.)

platform/x11/x11_image.c:139: warning: implicit declaration of function ?˜XShmAttach??

platform/x11/x11_image.c: In function ?˜create_pool??

platform/x11/x11_image.c:284: error: ?˜struct <anonymous>??has no member named ?˜lastused??

platform/x11/x11_image.c:292: error: ?˜struct <anonymous>??has no member named ?˜shminfo??

platform/x11/x11_image.c:293: error: too many arguments to function ?˜createximage??

platform/x11/x11_image.c: In function ?˜next_pool_image??

platform/x11/x11_image.c:305: error: ?˜struct <anonymous>??has no member named ?˜lastused??

platform/x11/x11_image.c:310: error: ?˜struct <anonymous>??has no member named ?˜lastused??

platform/x11/x11_image.c:312: error: ?˜struct <anonymous>??has no member named ?˜lastused??

platform/x11/x11_image.c: In function ?˜ximage_blit??

platform/x11/x11_image.c:452: warning: implicit declaration of function ?˜XShmPutImage??

make: *** [build/debug/platform/x11/x11_image.o] Error 1

[root@sss mupdf-1.3-source]# 

yum install libXi*

make