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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00

Readline linking update

Modify linking of readline library. Create new  substituted varible
READLINE_LIBS - readline library is linked ONLY with tools that really use
it - i.e. lvm. (Static lvm does not use readlin).
Previous behaviour put this library into the variable LIBS and thus
linked it with all created object files of lvm project (i.e. plugins...).

READLINE detection is simplified.

Termcap library is linked in only if readline library doesn't have its own
dependency (i.e. old distributions).
This commit is contained in:
Zdenek Kabelac 2010-03-04 11:19:15 +00:00
parent f0f0b802d1
commit 539f4a7728
5 changed files with 237 additions and 167 deletions

329
configure vendored
View File

@ -653,6 +653,7 @@ STATIC_LINK
STATICDIR
SNAPSHOTS
SELINUX_LIBS
READLINE_LIBS
POOL
PKGCONFIG
OWNER
@ -12614,119 +12615,6 @@ if [ "x$exec_prefix" = xNONE -a "x$prefix" = xNONE ];
then exec_prefix="";
fi;
################################################################################
if test x$READLINE != xno; then
{ $as_echo "$as_me:$LINENO: checking for library containing tgetent" >&5
$as_echo_n "checking for library containing tgetent... " >&6; }
if test "${ac_cv_search_tgetent+set}" = set; then
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char tgetent ();
int
main ()
{
return tgetent ();
;
return 0;
}
_ACEOF
for ac_lib in '' tinfo ncurses curses termcap termlib; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
ac_cv_search_tgetent=$ac_res
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext
if test "${ac_cv_search_tgetent+set}" = set; then
break
fi
done
if test "${ac_cv_search_tgetent+set}" = set; then
:
else
ac_cv_search_tgetent=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_tgetent" >&5
$as_echo "$ac_cv_search_tgetent" >&6; }
ac_res=$ac_cv_search_tgetent
if test "$ac_res" != no; then
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
tg_found=yes
else
tg_found=no
fi
test x$READLINE:$tg_found = xyes:no &&
{ { $as_echo "$as_me:$LINENO: error: termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well.
" >&5
$as_echo "$as_me: error: termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well.
" >&2;}
{ (exit 1); exit 1; }; }
fi
################################################################################
{ $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
$as_echo_n "checking for dlopen in -ldl... " >&6; }
@ -13340,7 +13228,114 @@ done
################################################################################
if test x$READLINE != xno; then
rl_found=yes
lvm_saved_libs=$LIBS
{ $as_echo "$as_me:$LINENO: checking for library containing tgetent" >&5
$as_echo_n "checking for library containing tgetent... " >&6; }
if test "${ac_cv_search_tgetent+set}" = set; then
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char tgetent ();
int
main ()
{
return tgetent ();
;
return 0;
}
_ACEOF
for ac_lib in '' tinfo ncurses curses termcap termlib; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
ac_cv_search_tgetent=$ac_res
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext
if test "${ac_cv_search_tgetent+set}" = set; then
break
fi
done
if test "${ac_cv_search_tgetent+set}" = set; then
:
else
ac_cv_search_tgetent=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_tgetent" >&5
$as_echo "$ac_cv_search_tgetent" >&6; }
ac_res=$ac_cv_search_tgetent
if test "$ac_res" != no; then
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
READLINE_LIBS=$ac_cv_search_tgetent
else
if test "$READLINE" = yes; then
{ { $as_echo "$as_me:$LINENO: error: termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well." >&5
$as_echo "$as_me: error: termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well." >&2;}
{ (exit 1); exit 1; }; }
fi
fi
{ $as_echo "$as_me:$LINENO: checking for readline in -lreadline" >&5
$as_echo_n "checking for readline in -lreadline... " >&6; }
@ -13408,33 +13403,109 @@ fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_readline_readline" >&5
$as_echo "$ac_cv_lib_readline_readline" >&6; }
if test "x$ac_cv_lib_readline_readline" = x""yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBREADLINE 1
cat >>confdefs.h <<\_ACEOF
#define READLINE_SUPPORT 1
_ACEOF
LIBS="-lreadline $LIBS"
LIBS=$lvm_saved_libs
{ $as_echo "$as_me:$LINENO: checking for rl_line_buffer in -lreadline" >&5
$as_echo_n "checking for rl_line_buffer in -lreadline... " >&6; }
if test "${ac_cv_lib_readline_rl_line_buffer+set}" = set; then
$as_echo_n "(cached) " >&6
else
rl_found=no
ac_check_lib_save_LIBS=$LIBS
LIBS="-lreadline $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char rl_line_buffer ();
int
main ()
{
return rl_line_buffer ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
ac_cv_lib_readline_rl_line_buffer=yes
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_readline_rl_line_buffer=no
fi
test x$READLINE:$rl_found = xyes:no &&
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_readline_rl_line_buffer" >&5
$as_echo "$ac_cv_lib_readline_rl_line_buffer" >&6; }
if test "x$ac_cv_lib_readline_rl_line_buffer" = x""yes; then
READLINE_LIBS="-lreadline"
else
{ $as_echo "$as_me:$LINENO: result: linking -lreadline with $READLINE_LIBS needed" >&5
$as_echo "linking -lreadline with $READLINE_LIBS needed" >&6; }
READLINE_LIBS="-lreadline $READLINE_LIBS"
fi
else
READLINE_LIBS=
if test "$READLINE" = yes; then
{ { $as_echo "$as_me:$LINENO: error: GNU Readline could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install readline from:
ftp.gnu.org/gnu/readline
Note: if you are using precompiled packages you will also need the development
package as well (which may be called readline-devel or something similar).
" >&5
package as well (which may be called readline-devel or something similar)." >&5
$as_echo "$as_me: error: GNU Readline could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install readline from:
ftp.gnu.org/gnu/readline
Note: if you are using precompiled packages you will also need the development
package as well (which may be called readline-devel or something similar).
" >&2;}
package as well (which may be called readline-devel or something similar)." >&2;}
{ (exit 1); exit 1; }; }
if test $rl_found = yes; then
fi
fi
LIBS="$READLINE_LIBS $lvm_saved_libs"
for ac_func in rl_completion_matches
do
@ -13536,12 +13607,7 @@ _ACEOF
fi
done
cat >>confdefs.h <<\_ACEOF
#define READLINE_SUPPORT 1
_ACEOF
fi
LIBS=$lvm_saved_libs
fi
################################################################################
@ -15528,6 +15594,7 @@ LVM_LIBAPI=`echo "$VER" | $AWK -F '[()]' '{print $2}'`
################################################################################

View File

@ -787,24 +787,6 @@ if [[ "x$exec_prefix" = xNONE -a "x$prefix" = xNONE ]];
then exec_prefix="";
fi;
################################################################################
dnl -- Check for termcap (Shamelessly copied from parted 1.4.17)
if test x$READLINE != xno; then
AC_SEARCH_LIBS([tgetent], [tinfo ncurses curses termcap termlib],
[tg_found=yes], [tg_found=no])
test x$READLINE:$tg_found = xyes:no &&
AC_MSG_ERROR(
termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well.
)
fi
################################################################################
dnl -- Check for dlopen
AC_CHECK_LIB(dl, dlopen, HAVE_LIBDL=yes, HAVE_LIBDL=no)
@ -887,22 +869,44 @@ AC_CHECK_HEADERS(getopt.h, AC_DEFINE([HAVE_GETOPTLONG], 1, [Define to 1 if getop
################################################################################
dnl -- Check for readline (Shamelessly copied from parted 1.4.17)
if test x$READLINE != xno; then
rl_found=yes
AC_CHECK_LIB([readline], [readline], , [rl_found=no])
test x$READLINE:$rl_found = xyes:no &&
lvm_saved_libs=$LIBS
AC_SEARCH_LIBS([tgetent], [tinfo ncurses curses termcap termlib],
READLINE_LIBS=$ac_cv_search_tgetent, [
if test "$READLINE" = yes; then
AC_MSG_ERROR(
GNU Readline could not be found which is required for the
[termcap could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install termcap from:
ftp.gnu.org/gnu/termcap
Note: if you are using precompiled packages you will also need the development
package as well (which may be called termcap-devel or something similar).
Note: (n)curses also seems to work as a substitute for termcap. This was
not found either - but you could try installing that as well.])
fi])
dnl -- Old systems may need extra termcap dependency explicitly in LIBS
AC_CHECK_LIB([readline], [readline], [
AC_DEFINE([READLINE_SUPPORT], 1,
[Define to 1 to include the LVM readline shell.])
dnl -- Try only with -lreadline and check for different symbol
LIBS=$lvm_saved_libs
AC_CHECK_LIB([readline], [rl_line_buffer],
[ READLINE_LIBS="-lreadline" ], [
AC_MSG_RESULT([linking -lreadline with $READLINE_LIBS needed])
READLINE_LIBS="-lreadline $READLINE_LIBS"
]) ], [
READLINE_LIBS=
if test "$READLINE" = yes; then
AC_MSG_ERROR(
[GNU Readline could not be found which is required for the
--enable-readline option (which is enabled by default). Either disable readline
support with --disable-readline or download and install readline from:
ftp.gnu.org/gnu/readline
Note: if you are using precompiled packages you will also need the development
package as well (which may be called readline-devel or something similar).
)
if test $rl_found = yes; then
package as well (which may be called readline-devel or something similar).])
fi ])
LIBS="$READLINE_LIBS $lvm_saved_libs"
AC_CHECK_FUNCS([rl_completion_matches])
AC_DEFINE([READLINE_SUPPORT], 1,
[Define to 1 to include the LVM readline shell.])
fi
LIBS=$lvm_saved_libs
fi
################################################################################
@ -1123,6 +1127,7 @@ AC_SUBST(PKGCONFIG)
AC_SUBST(POOL)
AC_SUBST(QUORUM_CFLAGS)
AC_SUBST(QUORUM_LIBS)
AC_SUBST(READLINE_LIBS)
AC_SUBST(SACKPT_CFLAGS)
AC_SUBST(SACKPT_LIBS)
AC_SUBST(SALCK_CFLAGS)

View File

@ -120,9 +120,6 @@
/* Define to 1 if you have the <libintl.h> header file. */
#undef HAVE_LIBINTL_H
/* Define to 1 if you have the `readline' library (-lreadline). */
#undef HAVE_LIBREADLINE
/* Define to 1 if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H

View File

@ -37,6 +37,7 @@ LDDEPS += @LDDEPS@
LDFLAGS += @LDFLAGS@
LIB_SUFFIX = @LIB_SUFFIX@
LVMINTERNAL_LIBS = -llvm-internal
READLINE_LIBS = @READLINE_LIBS@
# Setup directory variables
prefix = @prefix@

View File

@ -123,7 +123,7 @@ all: device-mapper
lvm: $(OBJECTS) lvm.o $(top_builddir)/lib/liblvm-internal.a
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS) lvm.o \
$(LVMLIBS) $(LIBS) $(LIB_PTHREAD) -rdynamic
$(LVMLIBS) $(READLINE_LIBS) $(LIBS) $(LIB_PTHREAD) -rdynamic
lvm.static: $(OBJECTS) lvm-static.o $(top_builddir)/lib/liblvm-internal.a $(interfacebuilddir)/libdevmapper.a
$(CC) $(CFLAGS) $(LDFLAGS) -static -L$(interfacebuilddir) -o $@ \