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http://bugs.exim.org/show_bug.cgi?id=690
Summary: readline does not provide termcap functions
Product: PCRE
Version: N/A
Platform: x86
OS/Version: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
AssignedTo: ph10@???
ReportedBy: org.exim@???
CC: pcre-dev@???
From readline/5.2/INSTALL:
Readline uses the termcap functions, but does not link with the termcap
or curses library itself, allowing applications which link with
readline the to choose an appropriate library.
if --enable-pcretest-libreadline is used, pcre-7.6 checks for readline, but
does not link to any termcap-like library. configure.ac should do something
like the following example (from R-2.6.2):
AC_CHECK_LIB(ncurses, main, [],
AC_CHECK_LIB(termcap, main, [],
AC_CHECK_LIB(termlib, main)))
AC_CHECK_LIB(readline, rl_callback_read_char)
SYMPTOM
gcc -m32 -O2 -Wl,-rpath
-Wl,/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib -Wl,-rpath
-Wl,/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib64
-Wl,--enable-new-dtags -o .libs/pcretest pcretest.o
-L/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib
-L/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib64
./.libs/libpcreposix.so
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/src/pcre-7.6/pcre-7.6/.libs/libpcre.so
-lz -lbz2 -lreadline -Wl,--rpath
-Wl,/grid/gro/vol/gbl_statcomp_test/x86-32-linux/pcre-7.6/lib
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `PC'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tgetflag'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tgetent'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `UP'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tputs'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tgoto'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tgetnum'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `BC'
/grid/gro/vol/gbl_statcomp_test/x86-32-linux/lib/libreadline.so:
undefined reference to `tgetstr' collect2: ld returned 1 exit status
make[1]: *** [pcretest] Error 1 make[1]: Leaving directory
`/grid/gro/vol/gbl_statcomp_test/x86-32-linux/src/pcre-7.6/pcre-7.6'
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