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Description of problem:
Rebuilding grep-2.5.1-31.4 from SRPM fails with pcre-devel-3.9-2 (from RedHat7.3); updating pcre & pcre-devel to 3.9-10 or later gives a clean build. 

This kind of configuration can occur on custom upgrades (on selected RPMs) from RedHat 7.3 to Fedora Core 3. 

The easy fix is to modify the pre-requisites to add pcre-devel >= 3.9-10 to BuildRequires and pcre >= 3.9-10 to Requires in grep.spec (for grep-2.5.1-31.4).

Version-Release number of selected component (if applicable):
grep-2.5.1-31.4

How reproducible:
Always

Steps to Reproduce:
1. Install pcre-3.9-2.i386.rpm and pcre-devel-3.9-2.i386.rpm
2. rpmbuild --rebuild grep-2.5.1-31.4.src.rpm
3.
  

Actual Results:  The rebuild failed with miscellaneous errors related to pcre_maketables.

Expected Results:  The build should have succeeded.

Additional info:

The relevant build error messages follow:

...
gcc  -O2 -g -march=i386 -mcpu=i686 -I/usr/include/pcre   -o grep  grep.o dfa.o kwset.o search.o grepmat.o ../lib/libgreputils.a -lpcre  -L/usr/lib -lpcre
/usr/lib/libpcre.a(maketables.o)(.text+0x3e): In function `pcre_maketables':
: undefined reference to `__ctype_tolower'
/usr/lib/libpcre.a(maketables.o)(.text+0x61): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0x7d): In function `pcre_maketables':
: undefined reference to `__ctype_toupper'
/usr/lib/libpcre.a(maketables.o)(.text+0x94): In function `pcre_maketables':
: undefined reference to `__ctype_tolower'
/usr/lib/libpcre.a(maketables.o)(.text+0xc5): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0xfa): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0x128): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0x165): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0x189): In function `pcre_maketables':
: undefined reference to `__ctype_b'
/usr/lib/libpcre.a(maketables.o)(.text+0x1ae): more undefined references to `__ctype_b' follow
collect2: ld returned 1 exit status