From bdef2bf29682ec5c8dcb7bf6083a0c0a13f676c6 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Wed, 4 Oct 2006 22:31:14 +0000 Subject: [PATCH] Adjust configure's handling of libedit to not look for a history.h file. Per Bob Friesenhahn's report, this file is not supplied by some versions of libedit, and even when it is supplied it seems to be just a link to readline.h, so we don't need to include it anyway. Also, ensure that we won't try to use a too-old version of Bison. The previous coding would bleat but then use it anyway; better to invoke the 'missing' script if any grammar files need to be rebuilt. --- configure | 499 ++----------------------------------- configure.in | 42 ++-- src/include/pg_config.h.in | 3 - 3 files changed, 43 insertions(+), 501 deletions(-) diff --git a/configure b/configure index 9f2ba2ae78..b66ab35760 100755 --- a/configure +++ b/configure @@ -4765,7 +4765,8 @@ echo "${ECHO_T}no" >&6 -for ac_prog in 'bison -y' +if test -z "$YACC"; then + for ac_prog in 'bison -y' do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 @@ -4806,34 +4807,36 @@ fi done -if test "$YACC"; then - if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then - { echo "$as_me:$LINENO: WARNING: -*** If you are going to modify the grammar files or build from CVS, the installed -*** version of Bison is too old. Bison version 1.875 or later is required." >&5 + if test "$YACC"; then + if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then + { echo "$as_me:$LINENO: WARNING: +*** The installed version of Bison is too old to use with PostgreSQL. +*** Bison version 1.875 or later is required." >&5 echo "$as_me: WARNING: -*** If you are going to modify the grammar files or build from CVS, the installed -*** version of Bison is too old. Bison version 1.875 or later is required." >&2;} +*** The installed version of Bison is too old to use with PostgreSQL. +*** Bison version 1.875 or later is required." >&2;} + YACC="" + fi fi -fi -if test -z "$YACC"; then - { echo "$as_me:$LINENO: WARNING: -*** Without Bison you will not be able to build PostgreSQL from CVS or + if test -z "$YACC"; then + { echo "$as_me:$LINENO: WARNING: +*** Without Bison you will not be able to build PostgreSQL from CVS nor *** change any of the parser definition files. You can obtain Bison from *** a GNU mirror site. (If you are using the official distribution of -*** PostgreSQL then you do not need to worry about this because the Bison +*** PostgreSQL then you do not need to worry about this, because the Bison *** output is pre-generated.) To use a different yacc program (possible, *** but not recommended), set the environment variable YACC before running *** 'configure'." >&5 echo "$as_me: WARNING: -*** Without Bison you will not be able to build PostgreSQL from CVS or +*** Without Bison you will not be able to build PostgreSQL from CVS nor *** change any of the parser definition files. You can obtain Bison from *** a GNU mirror site. (If you are using the official distribution of -*** PostgreSQL then you do not need to worry about this because the Bison +*** PostgreSQL then you do not need to worry about this, because the Bison *** output is pre-generated.) To use a different yacc program (possible, *** but not recommended), set the environment variable YACC before running *** 'configure'." >&2;} + fi fi @@ -9046,468 +9049,10 @@ fi done - -for ac_header in editline/history.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -fi -echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 -echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 -else - # Is the header compilable? -echo "$as_me:$LINENO: checking $ac_header usability" >&5 -echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6 -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -$ac_includes_default -#include <$ac_header> -_ACEOF -rm -f conftest.$ac_objext -if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 - (eval $ac_compile) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } && - { ac_try='test -z "$ac_c_werror_flag" - || test ! -s conftest.err' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; } && - { ac_try='test -s conftest.$ac_objext' - { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 - (eval $ac_try) 2>&5 - ac_status=$? - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); }; }; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_header_compiler=no -fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6 - -# Is the header present? -echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> -_ACEOF -if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 - (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null; then - if test -s conftest.err; then - ac_cpp_err=$ac_c_preproc_warn_flag - ac_cpp_err=$ac_cpp_err$ac_c_werror_flag - else - ac_cpp_err= - fi -else - ac_cpp_err=yes -fi -if test -z "$ac_cpp_err"; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no -fi -rm -f conftest.err conftest.$ac_ext -echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6 - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - ( - cat <<\_ASBOX -## ---------------------------------------- ## -## Report this to pgsql-bugs@postgresql.org ## -## ---------------------------------------- ## -_ASBOX - ) | - sed "s/^/$as_me: WARNING: /" >&2 - ;; -esac -echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 -echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 - -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then - cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - -else - -for ac_header in history.h -do -as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -fi -echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 -echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 -else - # Is the header compilable? 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= $ac_status" >&5 - (exit $ac_status); }; }; then - ac_header_compiler=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - -ac_header_compiler=no -fi -rm -f conftest.err conftest.$ac_objext conftest.$ac_ext -echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 -echo "${ECHO_T}$ac_header_compiler" >&6 - -# Is the header present? -echo "$as_me:$LINENO: checking $ac_header presence" >&5 -echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6 -cat >conftest.$ac_ext <<_ACEOF -/* confdefs.h. */ -_ACEOF -cat confdefs.h >>conftest.$ac_ext -cat >>conftest.$ac_ext <<_ACEOF -/* end confdefs.h. */ -#include <$ac_header> -_ACEOF -if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 - (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 - ac_status=$? - grep -v '^ *+' conftest.er1 >conftest.err - rm -f conftest.er1 - cat conftest.err >&5 - echo "$as_me:$LINENO: \$? = $ac_status" >&5 - (exit $ac_status); } >/dev/null; then - if test -s conftest.err; then - ac_cpp_err=$ac_c_preproc_warn_flag - ac_cpp_err=$ac_cpp_err$ac_c_werror_flag - else - ac_cpp_err= - fi -else - ac_cpp_err=yes -fi -if test -z "$ac_cpp_err"; then - ac_header_preproc=yes -else - echo "$as_me: failed program was:" >&5 -sed 's/^/| /' conftest.$ac_ext >&5 - - ac_header_preproc=no -fi -rm -f conftest.err conftest.$ac_ext -echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 -echo "${ECHO_T}$ac_header_preproc" >&6 - -# So? What about this header? -case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in - yes:no: ) - { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5 -echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;} - ac_header_preproc=yes - ;; - no:yes:* ) - { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5 -echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5 -echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5 -echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5 -echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5 -echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;} - { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5 -echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;} - ( - cat <<\_ASBOX -## ---------------------------------------- ## -## Report this to pgsql-bugs@postgresql.org ## -## ---------------------------------------- ## -_ASBOX - ) | - sed "s/^/$as_me: WARNING: /" >&2 - ;; -esac -echo "$as_me:$LINENO: checking for $ac_header" >&5 -echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6 -if eval "test \"\${$as_ac_Header+set}\" = set"; then - echo $ECHO_N "(cached) $ECHO_C" >&6 -else - eval "$as_ac_Header=\$ac_header_preproc" -fi -echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5 -echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6 - -fi -if test `eval echo '${'$as_ac_Header'}'` = yes; then - cat >>confdefs.h <<_ACEOF -#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - -else - { { echo "$as_me:$LINENO: error: history header not found -If you have libedit already installed, see config.log for details on the -failure. It is possible the compiler isn't looking in the proper directory. -Use --without-readline to disable libedit support." >&5 -echo "$as_me: error: history header not found -If you have libedit already installed, see config.log for details on the -failure. It is possible the compiler isn't looking in the proper directory. -Use --without-readline to disable libedit support." >&2;} - { (exit 1); exit 1; }; } -fi - -done - -fi - -done - -fi - -done - +# Note: in a libedit installation, history.h is normally a dummy, and may +# not be there at all. The functions are declared in readline.h instead. +# To avoid including incompatible headers when both libraries are present, +# assume we do not need history.h. fi if test "$with_zlib" = yes; then diff --git a/configure.in b/configure.in index 42b2579fbb..4d182f571b 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -dnl $PostgreSQL: pgsql/configure.in,v 1.479 2006/10/03 22:18:22 tgl Exp $ +dnl $PostgreSQL: pgsql/configure.in,v 1.480 2006/10/04 22:31:13 tgl Exp $ dnl dnl Developers, please strive to achieve this order: dnl @@ -594,25 +594,28 @@ AC_PROG_RANLIB AC_PATH_PROG(TAR, tar) PGAC_CHECK_STRIP -AC_CHECK_PROGS(YACC, ['bison -y']) - -if test "$YACC"; then - if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then - AC_MSG_WARN([ -*** If you are going to modify the grammar files or build from CVS, the installed -*** version of Bison is too old. Bison version 1.875 or later is required.]) - fi -fi - if test -z "$YACC"; then - AC_MSG_WARN([ -*** Without Bison you will not be able to build PostgreSQL from CVS or + AC_CHECK_PROGS(YACC, ['bison -y']) + + if test "$YACC"; then + if $YACC --version | sed q | $AWK '{ if ($4 < 1.875) exit 0; else exit 1;}'; then + AC_MSG_WARN([ +*** The installed version of Bison is too old to use with PostgreSQL. +*** Bison version 1.875 or later is required.]) + YACC="" + fi + fi + + if test -z "$YACC"; then + AC_MSG_WARN([ +*** Without Bison you will not be able to build PostgreSQL from CVS nor *** change any of the parser definition files. You can obtain Bison from *** a GNU mirror site. (If you are using the official distribution of -*** PostgreSQL then you do not need to worry about this because the Bison +*** PostgreSQL then you do not need to worry about this, because the Bison *** output is pre-generated.) To use a different yacc program (possible, *** but not recommended), set the environment variable YACC before running *** 'configure'.]) + fi fi AC_SUBST(YFLAGS) @@ -753,13 +756,10 @@ if expr x"$pgac_cv_check_readline" : 'x-ledit' >/dev/null ; then If you have libedit already installed, see config.log for details on the failure. It is possible the compiler isn't looking in the proper directory. Use --without-readline to disable libedit support.])])])]) - AC_CHECK_HEADERS(editline/history.h, [], - [AC_CHECK_HEADERS(history.h, [], - [AC_CHECK_HEADERS(readline/history.h, [], - [AC_MSG_ERROR([history header not found -If you have libedit already installed, see config.log for details on the -failure. It is possible the compiler isn't looking in the proper directory. -Use --without-readline to disable libedit support.])])])]) +# Note: in a libedit installation, history.h is normally a dummy, and may +# not be there at all. The functions are declared in readline.h instead. +# To avoid including incompatible headers when both libraries are present, +# assume we do not need history.h. fi if test "$with_zlib" = yes; then diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in index c6fe887986..74a0aa24c4 100644 --- a/src/include/pg_config.h.in +++ b/src/include/pg_config.h.in @@ -101,9 +101,6 @@ /* Define to 1 if you have the `dlopen' function. */ #undef HAVE_DLOPEN -/* Define to 1 if you have the header file. */ -#undef HAVE_EDITLINE_HISTORY_H - /* Define to 1 if you have the header file. */ #undef HAVE_EDITLINE_READLINE_H