[...]

checking if you want to allow spawning new xterms... no
checking if you want to use double-buffering... no
checking if you want to use FreeType library... yes
checking for FreeType configuration script... auto
checking for FreeType config... /usr/bin/pkg-config xft
checking for /usr/bin/pkg-config cflags... -I/usr/include/freetype2 
checking for /usr/bin/pkg-config libs...  -lXft 
checking if we can link with FreeType libraries... yes
checking for XftDrawCharSpec... yes
checking for XftDrawSetClip... yes
checking for XftDrawSetClipRectangles... yes
checking for usable Xft/fontconfig package... no
checking if you want support for HP-style function keys... no
checking if you want support for SCO-style function keys... no
checking if you want support for Sun-style function keys... yes
checking if you want saved-lines stored as a FIFO... yes
checking if you want support for internationalization... yes
checking if you want support for initial-erase setup... yes
checking if you want support for input-method... yes
checking if X libraries support input-method... no
checking if you want support for load-vt-fonts... no
checking if you want support for logging... no
checking if you want support for iconify/maximize translations... yes
checking if you want NumLock to override keyboard tables... yes
checking if you want support for get/set of base64 selection data... yes
checking if you want support for pty-handshaking... yes
checking if you want support for mouse in readline applications... no
checking if you want support for regular-expression selections... yes
checking if you want to use PCRE for regular-expressions... no
checking for regcomp... no
checking for regcomp in -lregex... no
checking for regcomp in -lre... no
checking for compile... no
checking for compile in -lgen... no
configure: WARNING: cannot find regular expression library
checking for regular-expression headers... no
configure: WARNING: no regular expression header found
configure: error: Only POSIX or PCRE regular expressions are supported
error: Bad exit status from /tmp/B.1053fa/rpm-tmp.15626 (%build)
RPM build errors:
    Bad exit status from /tmp/B.1053fa/rpm-tmp.15626 (%build)
ended at: Mon Jul 27 22:32:52 2015, done in 01days 00h 00m 20s
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
Begin-PLD-Builder-Info
Build-Time: user:13.69s sys:11.78s real:25.52s (faults io:0 non-io:1096584)
End-PLD-Builder-Info