More carefully checking for libreadline suitability

This commit is contained in:
Thomas Schmitt 2010-04-13 15:43:58 +00:00
parent f7ef290ac6
commit fc7cab6706
4 changed files with 62 additions and 8 deletions

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@ -131,6 +131,41 @@ iconv_close(cd);
])
dnl LIBBURNIA_ASSERT_READLINE disables xorriso readline if not all needed
dnl functions are present
AC_DEFUN([LIBBURNIA_ASSERT_READLINE],
[
if test x$XORRISO_ASSUME_READLINE = x
then
dnl Check for the essential gestures of libisofs/util.c
AC_MSG_CHECKING([for desired functions in libreadline])
libburnia_save_LIBS="$LIBS"
LIBS="$LIBS -lreadline"
AC_TRY_LINK([
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <readline/readline.h>
#include <readline/history.h>],
[HIST_ENTRY **hl;
readline("");
add_history("");
hl= history_list();
], [readline_test="yes"], [readline_test="no"]
)
AC_MSG_RESULT([$readline_test])
if test x$readline_test = xno
then
READLINE_DEF=
LIBS="$libburnia_save_LIBS"
fi
fi
])
dnl LIBBURNIA_SET_PKGCONFIG determines the install directory for the *.pc file.
dnl Important: Must be performed _after_ TARGET_SHIZZLE
dnl

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@ -77,16 +77,16 @@ if test x$LIBISOBURN_OLD_ICONV_CONFIGURE = x
then
dnl ts B00410 : To detect the need for -liconv and const argument of iconv()
LIBBURNIA_CHECK_ICONV
LIBBURNIA_CHECK_ICONV
else
dnl Outdated: produces double -liconv and warnings about parameter mismatch
dnl If iconv(3) is in an extra lib, then it gets added to variable LIBS.
dnl If not, then no -liconv will be added.
AC_CHECK_LIB(iconv, iconv, , )
AC_CHECK_LIB(iconv, iconv, , )
dnl GNU iconv has no function iconv() but libiconv() and a macro iconv()
AC_CHECK_LIB(iconv, libiconv, , )
AC_CHECK_LIB(iconv, libiconv, , )
fi
@ -120,10 +120,19 @@ if test x$enable_libreadline = xyes; then
dnl Check whether there is readline-devel and readline-runtime.
dnl If not, erase this macro which would enable use of readline(),add_history()
READLINE_DEF="-DXorriso_with_readlinE"
if test x$XORRISO_OLD_READLINE_CONFIGURE = x
then
dnl ts B00411 : To disable readline if not all needed functions are present
LIBBURNIA_ASSERT_READLINE
else
dnl The empty yes case obviously causes -lreadline to be linked
AC_CHECK_HEADER(readline/readline.h, AC_CHECK_LIB(readline, readline, , READLINE_DEF= ), READLINE_DEF= )
AC_CHECK_HEADER(readline/readline.h, AC_CHECK_LIB(readline, readline, , READLINE_DEF= ), READLINE_DEF= )
dnl The X= in the yes case prevents that -lreadline gets linked twice
AC_CHECK_HEADER(readline/history.h, AC_CHECK_LIB(readline, add_history, X= , READLINE_DEF= ), READLINE_DEF= )
AC_CHECK_HEADER(readline/history.h, AC_CHECK_LIB(readline, add_history, X= , READLINE_DEF= ), READLINE_DEF= )
fi
else
READLINE_DEF=
fi

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@ -145,10 +145,20 @@ if test x$enable_libreadline = xyes; then
dnl Check whether there is readline-devel and readline-runtime.
dnl If not, erase this macro which would enable use of readline(),add_history()
READLINE_DEF="-DXorriso_with_readlinE"
if test x$XORRISO_OLD_READLINE_CONFIGURE = x
then
dnl ts B00411 : To disable readline if not all needed functions are present
LIBBURNIA_ASSERT_READLINE
else
dnl The empty yes case obviously causes -lreadline to be linked
AC_CHECK_HEADER(readline/readline.h, AC_CHECK_LIB(readline, readline, , READLINE_DEF= ), READLINE_DEF= )
AC_CHECK_HEADER(readline/readline.h, AC_CHECK_LIB(readline, readline, , READLINE_DEF= ), READLINE_DEF= )
dnl The X= in the yes case prevents that -lreadline gets linked twice
AC_CHECK_HEADER(readline/history.h, AC_CHECK_LIB(readline, add_history, X= , READLINE_DEF= ), READLINE_DEF= )
AC_CHECK_HEADER(readline/history.h, AC_CHECK_LIB(readline, add_history, X= , READLINE_DEF= ), READLINE_DEF= )
fi
else
READLINE_DEF=
fi

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@ -1 +1 @@
#define Xorriso_timestamP "2010.04.13.103917"
#define Xorriso_timestamP "2010.04.13.154201"